Florida Senate - 2025                                    SB 1120
       
       
        
       By Senator Ingoglia
       
       
       
       
       
       11-00641-25                                           20251120__
    1                        A bill to be entitled                      
    2         An act relating to onsite sewage treatment and
    3         disposal systems; amending s. 381.0065, F.S.;
    4         specifying that a construction permit for the
    5         construction of an onsite sewage treatment and
    6         disposal system for a single-family dwelling is valid
    7         in perpetuity; providing an exception; prohibiting a
    8         municipality or political subdivision from placing
    9         certain requirements on applicants for a building
   10         permit for a single-family dwelling; providing an
   11         effective date.
   12          
   13  Be It Enacted by the Legislature of the State of Florida:
   14  
   15         Section 1. Subsection (4) of section 381.0065, Florida
   16  Statutes, is amended to read:
   17         381.0065 Onsite sewage treatment and disposal systems;
   18  regulation.—
   19         (4) PERMITS; INSTALLATION; CONDITIONS.—A person may not
   20  construct, repair, modify, abandon, or operate an onsite sewage
   21  treatment and disposal system without first obtaining a permit
   22  approved by the department. The department may issue permits to
   23  carry out this section, except that the issuance of a permit for
   24  work seaward of the coastal construction control line
   25  established under s. 161.053 is shall be contingent upon receipt
   26  of any required coastal construction control line permit from
   27  the department. A construction permit is valid for 18 months
   28  after the date of issuance and may be extended by the department
   29  for one 90-day period under rules adopted by the department,
   30  unless the construction permit is for a single-family dwelling.
   31  A construction permit under this section for a single-family
   32  dwelling is valid in perpetuity after the date of issuance,
   33  except for work seaward of the coastal construction control line
   34  established under s. 161.053. A repair permit is valid for 90
   35  days after the date of issuance. An operating permit must be
   36  obtained before the use of any aerobic treatment unit or if the
   37  establishment generates commercial waste. Buildings or
   38  establishments that use an aerobic treatment unit or generate
   39  commercial waste shall be inspected by the department at least
   40  annually to assure compliance with the terms of the operating
   41  permit. The operating permit for a commercial wastewater system
   42  is valid for 1 year after the date of issuance and must be
   43  renewed annually. The operating permit for an aerobic treatment
   44  unit is valid for 2 years after the date of issuance and must be
   45  renewed every 2 years. If all information pertaining to the
   46  siting, location, and installation conditions or repair of an
   47  onsite sewage treatment and disposal system remains the same, a
   48  construction or repair permit for the onsite sewage treatment
   49  and disposal system may be transferred to another person, if the
   50  transferee files, within 60 days after the transfer of
   51  ownership, an amended application providing all corrected
   52  information and proof of ownership of the property. A fee is not
   53  associated with the processing of this supplemental information.
   54  A person may not contract to construct, modify, alter, repair,
   55  service, abandon, or maintain any portion of an onsite sewage
   56  treatment and disposal system without being registered under
   57  part III of chapter 489. A property owner who personally
   58  performs construction, maintenance, or repairs to a system
   59  serving his or her own owner-occupied single-family residence is
   60  exempt from registration requirements for performing such
   61  construction, maintenance, or repairs on that residence, but is
   62  subject to all permitting requirements. A municipality or
   63  political subdivision of the state may not issue a building or
   64  plumbing permit for any building that requires the use of an
   65  onsite sewage treatment and disposal system unless the owner or
   66  builder has received a construction permit for such system from
   67  the department, or the building permit is for a single-family
   68  residential dwelling. For a single-family residential dwelling,
   69  a municipality or political subdivision of the state may not
   70  require as a condition of issuing a building permit for such
   71  dwelling that an applicant first obtain a construction permit
   72  from the department for an onsite sewage treatment and disposal
   73  system. A building or structure may not be occupied and a
   74  municipality, political subdivision, or any state or federal
   75  agency may not authorize occupancy until the department approves
   76  the final installation of the onsite sewage treatment and
   77  disposal system. A municipality or political subdivision of the
   78  state may not approve any change in occupancy or tenancy of a
   79  building that uses an onsite sewage treatment and disposal
   80  system until the department has reviewed the use of the system
   81  with the proposed change, approved the change, and amended the
   82  operating permit.
   83         (a) Subdivisions and lots in which each lot has a minimum
   84  area of at least one-half acre and has either a minimum
   85  dimension of 100 feet or a mean of at least 100 feet of the side
   86  bordering the street and the distance formed by a line parallel
   87  to the side bordering the street drawn between the two most
   88  distant points of the remainder of the lot may be developed with
   89  a water system regulated under s. 381.0062 and onsite sewage
   90  treatment and disposal systems, provided the projected daily
   91  sewage flow does not exceed an average of 1,500 gallons per acre
   92  per day, and provided satisfactory drinking water can be
   93  obtained and all distance and setback, soil condition, water
   94  table elevation, and other related requirements of this section
   95  and rules adopted under this section can be met.
   96         (b) Subdivisions and lots using a public water system as
   97  defined in s. 403.852 may use onsite sewage treatment and
   98  disposal systems, provided there are no more than four lots per
   99  acre, provided the projected daily sewage flow does not exceed
  100  an average of 2,500 gallons per acre per day, and provided that
  101  all distance and setback, soil condition, water table elevation,
  102  and other related requirements that are generally applicable to
  103  the use of onsite sewage treatment and disposal systems are met.
  104         (c) Notwithstanding paragraphs (a) and (b), for
  105  subdivisions platted of record on or before October 1, 1991,
  106  when a developer or other appropriate entity has previously made
  107  or makes provisions, including financial assurances or other
  108  commitments, acceptable to the department, that a central water
  109  system will be installed by a regulated public utility based on
  110  a density formula, private potable wells may be used with onsite
  111  sewage treatment and disposal systems until the agreed-upon
  112  densities are reached. In a subdivision regulated by this
  113  paragraph, the average daily sewage flow may not exceed 2,500
  114  gallons per acre per day. This section does not affect the
  115  validity of existing prior agreements. After October 1, 1991,
  116  the exception provided under this paragraph is not available to
  117  a developer or other appropriate entity.
  118         (d) Paragraphs (a) and (b) do not apply to any proposed
  119  residential subdivision with more than 50 lots or to any
  120  proposed commercial subdivision with more than 5 lots where a
  121  publicly owned or investor-owned sewage treatment system is
  122  available. This paragraph does not allow development of
  123  additional proposed subdivisions in order to evade the
  124  requirements of this paragraph.
  125         (e) The department shall adopt rules relating to the
  126  location of onsite sewage treatment and disposal systems,
  127  including establishing setback distances, to prevent groundwater
  128  contamination and surface water contamination and to preserve
  129  the public health. The rules must consider conventional and
  130  enhanced nutrient-reducing onsite sewage treatment and disposal
  131  system designs, impaired or degraded water bodies, domestic
  132  wastewater and drinking water infrastructure, potable water
  133  sources, nonpotable wells, stormwater infrastructure, the onsite
  134  sewage treatment and disposal system remediation plans developed
  135  pursuant to s. 403.067(7)(a)9.b., nutrient pollution, and the
  136  recommendations of the onsite sewage treatment and disposal
  137  systems technical advisory committee established pursuant to
  138  former s. 381.00652. The rules must also allow a person to apply
  139  for and receive a variance from a rule requirement upon
  140  demonstration that the requirement would cause an undue hardship
  141  and granting the variance would not cause or contribute to the
  142  exceedance of a total maximum daily load.
  143         (f) Onsite sewage treatment and disposal systems that are
  144  permitted before June 21, 2022, may not be placed closer than:
  145         1. Seventy-five feet from a private potable well.
  146         2. Two hundred feet from a public potable well serving a
  147  residential or nonresidential establishment having a total
  148  sewage flow of greater than 2,000 gallons per day.
  149         3. One hundred feet from a public potable well serving a
  150  residential or nonresidential establishment having a total
  151  sewage flow of less than or equal to 2,000 gallons per day.
  152         4. Fifty feet from any nonpotable well.
  153         5. Ten feet from any storm sewer pipe, to the maximum
  154  extent possible, but in no instance shall the setback be less
  155  than 5 feet.
  156         6. Seventy-five feet from the mean high-water line of a
  157  tidally influenced surface water body.
  158         7. Seventy-five feet from the mean annual flood line of a
  159  permanent nontidal surface water body.
  160         8. Fifteen feet from the design high-water line of
  161  retention areas, detention areas, or swales designed to contain
  162  standing or flowing water for less than 72 hours after a
  163  rainfall or the design high-water level of normally dry drainage
  164  ditches or normally dry individual lot stormwater retention
  165  areas.
  166         (g) This section and rules adopted under this section
  167  relating to soil condition, water table elevation, distance, and
  168  other setback requirements must be equally applied to all lots,
  169  with the following exceptions:
  170         1. Any residential lot that was platted and recorded on or
  171  after January 1, 1972, or that is part of a residential
  172  subdivision that was approved by the appropriate permitting
  173  agency on or after January 1, 1972, and that was eligible for an
  174  onsite sewage treatment and disposal system construction permit
  175  on the date of such platting and recording or approval shall be
  176  eligible for an onsite sewage treatment and disposal system
  177  construction permit, regardless of when the application for a
  178  permit is made. If rules in effect at the time the permit
  179  application is filed cannot be met, residential lots platted and
  180  recorded or approved on or after January 1, 1972, shall, to the
  181  maximum extent possible, comply with the rules in effect at the
  182  time the permit application is filed. At a minimum, however,
  183  those residential lots platted and recorded or approved on or
  184  after January 1, 1972, but before January 1, 1983, shall comply
  185  with those rules in effect on January 1, 1983, and those
  186  residential lots platted and recorded or approved on or after
  187  January 1, 1983, shall comply with those rules in effect at the
  188  time of such platting and recording or approval. In determining
  189  the maximum extent of compliance with current rules that is
  190  possible, the department shall allow structures and
  191  appurtenances thereto which were authorized at the time such
  192  lots were platted and recorded or approved.
  193         2. Lots platted before 1972 are subject to a 50-foot
  194  minimum surface water setback and are not subject to lot size
  195  requirements. The projected daily flow for onsite sewage
  196  treatment and disposal systems for lots platted before 1972 may
  197  not exceed:
  198         a. Two thousand five hundred gallons per acre per day for
  199  lots served by public water systems as defined in s. 403.852.
  200         b. One thousand five hundred gallons per acre per day for
  201  lots served by water systems regulated under s. 381.0062.
  202         (h)1. The department may grant variances in hardship cases
  203  which may be less restrictive than the provisions specified in
  204  this section. If a variance is granted and the onsite sewage
  205  treatment and disposal system construction permit has been
  206  issued, the variance may be transferred with the system
  207  construction permit, if the transferee files, within 60 days
  208  after the transfer of ownership, an amended construction permit
  209  application providing all corrected information and proof of
  210  ownership of the property and if the same variance would have
  211  been required for the new owner of the property as was
  212  originally granted to the original applicant for the variance. A
  213  fee is not associated with the processing of this supplemental
  214  information. A variance may not be granted under this section
  215  until the department is satisfied that:
  216         a. The hardship was not caused intentionally by the action
  217  of the applicant;
  218         b. A reasonable alternative, taking into consideration
  219  factors such as cost, does not exist for the treatment of the
  220  sewage; and
  221         c. The discharge from the onsite sewage treatment and
  222  disposal system will not adversely affect the health of the
  223  applicant or the public or significantly degrade the groundwater
  224  or surface waters.
  225  
  226  Where soil conditions, water table elevation, and setback
  227  provisions are determined by the department to be satisfactory,
  228  special consideration must be given to those lots platted before
  229  1972.
  230         2. The department shall appoint and staff a variance review
  231  and advisory committee, which shall meet monthly to recommend
  232  agency action on variance requests. The committee shall make its
  233  recommendations on variance requests at the meeting in which the
  234  application is scheduled for consideration, except for an
  235  extraordinary change in circumstances, the receipt of new
  236  information that raises new issues, or when the applicant
  237  requests an extension. The committee shall consider the criteria
  238  in subparagraph 1. in its recommended agency action on variance
  239  requests and shall also strive to allow property owners the full
  240  use of their land where possible.
  241         a. The committee is composed of the following:
  242         (I) The Secretary of Environmental Protection or his or her
  243  designee.
  244         (II) A representative from the county health departments.
  245         (III) A representative from the home building industry
  246  recommended by the Florida Home Builders Association.
  247         (IV) A representative from the septic tank industry
  248  recommended by the Florida Onsite Wastewater Association.
  249         (V) A representative from the Department of Health.
  250         (VI) A representative from the real estate industry who is
  251  also a developer in this state who develops lots using onsite
  252  sewage treatment and disposal systems, recommended by the
  253  Florida Association of Realtors.
  254         (VII) A representative from the engineering profession
  255  recommended by the Florida Engineering Society.
  256         b. Members shall be appointed for a term of 3 years, with
  257  such appointments being staggered so that the terms of no more
  258  than two members expire in any one year. Members shall serve
  259  without remuneration, but if requested, shall be reimbursed for
  260  per diem and travel expenses as provided in s. 112.061.
  261         3. The variance review and advisory committee is not
  262  responsible for reviewing water well permitting. However, the
  263  committee shall consider all requirements of law related to
  264  onsite sewage treatment and disposal systems when making
  265  recommendations on variance requests for onsite sewage treatment
  266  and disposal system permits.
  267         (i) A construction permit may not be issued for an onsite
  268  sewage treatment and disposal system in any area zoned or used
  269  for industrial or manufacturing purposes, or its equivalent,
  270  where a publicly owned or investor-owned sewage treatment system
  271  is available, or where a likelihood exists that the system will
  272  receive toxic, hazardous, or industrial waste. An existing
  273  onsite sewage treatment and disposal system may be repaired if a
  274  publicly owned or investor-owned sewage treatment system is not
  275  available within 500 feet of the building sewer stub-out and if
  276  system construction and operation standards can be met. This
  277  paragraph does not require publicly owned or investor-owned
  278  sewage treatment systems to accept anything other than domestic
  279  wastewater.
  280         1. A building located in an area zoned or used for
  281  industrial or manufacturing purposes, or its equivalent, when
  282  such building is served by an onsite sewage treatment and
  283  disposal system, must not be occupied until the owner or tenant
  284  has obtained written approval from the department. The
  285  department may not grant approval when the proposed use of the
  286  system is to dispose of toxic, hazardous, or industrial
  287  wastewater or toxic or hazardous chemicals.
  288         2. Each person who owns or operates a business or facility
  289  in an area zoned or used for industrial or manufacturing
  290  purposes, or its equivalent, or who owns or operates a business
  291  that has the potential to generate toxic, hazardous, or
  292  industrial wastewater or toxic or hazardous chemicals, and uses
  293  an onsite sewage treatment and disposal system that is installed
  294  on or after July 5, 1989, must obtain an annual system operating
  295  permit from the department. A person who owns or operates a
  296  business that uses an onsite sewage treatment and disposal
  297  system that was installed and approved before July 5, 1989, does
  298  not need to obtain a system operating permit. However, upon
  299  change of ownership or tenancy, the new owner or operator must
  300  notify the department of the change, and the new owner or
  301  operator must obtain an annual system operating permit,
  302  regardless of the date that the system was installed or
  303  approved.
  304         3. The department shall periodically review and evaluate
  305  the continued use of onsite sewage treatment and disposal
  306  systems in areas zoned or used for industrial or manufacturing
  307  purposes, or its equivalent, and may require the collection and
  308  analyses of samples from within and around such systems. If the
  309  department finds that toxic or hazardous chemicals or toxic,
  310  hazardous, or industrial wastewater have been or are being
  311  disposed of through an onsite sewage treatment and disposal
  312  system, the department shall initiate enforcement actions
  313  against the owner or tenant to ensure adequate cleanup,
  314  treatment, and disposal.
  315         (j) An onsite sewage treatment and disposal system designed
  316  by a professional engineer registered in the state and certified
  317  by such engineer as complying with performance criteria adopted
  318  by the department must be approved by the department subject to
  319  the following:
  320         1. The performance criteria applicable to engineer-designed
  321  systems must be limited to those necessary to ensure that such
  322  systems do not adversely affect the public health or
  323  significantly degrade the groundwater or surface water. Such
  324  performance criteria shall include consideration of the quality
  325  of system effluent, the proposed total sewage flow per acre,
  326  wastewater treatment capabilities of the natural or replaced
  327  soil, water quality classification of the potential surface
  328  water-receiving body, and the structural and maintenance
  329  viability of the system for the treatment of domestic
  330  wastewater. However, performance criteria shall address only the
  331  performance of a system and not a system’s design.
  332         2. A person electing to use an engineer-designed system
  333  shall, upon completion of the system design, submit such design,
  334  certified by a registered professional engineer, to the county
  335  health department. The county health department may use an
  336  outside consultant to review the engineer-designed system, with
  337  the actual cost of such review to be borne by the applicant.
  338  Within 5 working days after receiving an engineer-designed
  339  system permit application, the county health department shall
  340  request additional information if the application is not
  341  complete. Within 15 working days after receiving a complete
  342  application for an engineer-designed system, the county health
  343  department shall issue the permit or, if it determines that the
  344  system does not comply with the performance criteria, shall
  345  notify the applicant of that determination and refer the
  346  application to the department for a determination as to whether
  347  the system should be approved, disapproved, or approved with
  348  modification. The department engineer’s determination shall
  349  prevail over the action of the county health department. The
  350  applicant shall be notified in writing of the department’s
  351  determination and of the applicant’s rights to pursue a variance
  352  or seek review under the provisions of chapter 120.
  353         3. The owner of an engineer-designed performance-based
  354  system must maintain a current maintenance service agreement
  355  with a maintenance entity permitted by the department. The
  356  maintenance entity shall inspect each system at least twice each
  357  year and shall report quarterly to the department on the number
  358  of systems inspected and serviced. The reports may be submitted
  359  electronically.
  360         4. The property owner of an owner-occupied, single-family
  361  residence may be approved and permitted by the department as a
  362  maintenance entity for his or her own performance-based
  363  treatment system upon written certification from the system
  364  manufacturer’s approved representative that the property owner
  365  has received training on the proper installation and service of
  366  the system. The maintenance service agreement must conspicuously
  367  disclose that the property owner has the right to maintain his
  368  or her own system and is exempt from contractor registration
  369  requirements for performing construction, maintenance, or
  370  repairs on the system but is subject to all permitting
  371  requirements.
  372         5. The property owner shall obtain a biennial system
  373  operating permit from the department for each system. The
  374  department shall inspect the system at least annually, or on
  375  such periodic basis as the fee collected permits, and may
  376  collect system-effluent samples if appropriate to determine
  377  compliance with the performance criteria. The fee for the
  378  biennial operating permit shall be collected beginning with the
  379  second year of system operation.
  380         6. If an engineer-designed system fails to properly
  381  function or fails to meet performance standards, the system
  382  shall be re-engineered, if necessary, to bring the system into
  383  compliance with the provisions of this section.
  384         (k) An innovative system may be approved in conjunction
  385  with an engineer-designed site-specific system that is certified
  386  by the engineer to meet the performance-based criteria adopted
  387  by the department.
  388         (l) For the Florida Keys, the department shall adopt a
  389  special rule for the construction, installation, modification,
  390  operation, repair, maintenance, and performance of onsite sewage
  391  treatment and disposal systems which considers the unique soil
  392  conditions and water table elevations, densities, and setback
  393  requirements. On lots where a setback distance of 75 feet from
  394  surface waters, saltmarsh, and buttonwood association habitat
  395  areas cannot be met, an injection well, approved and permitted
  396  by the department, may be used for disposal of effluent from
  397  onsite sewage treatment and disposal systems. The following
  398  additional requirements apply to onsite sewage treatment and
  399  disposal systems in Monroe County:
  400         1. The county, each municipality, and those special
  401  districts established for the purpose of the collection,
  402  transmission, treatment, or disposal of sewage shall ensure, in
  403  accordance with the specific schedules adopted by the
  404  Administration Commission under s. 380.0552, the completion of
  405  onsite sewage treatment and disposal system upgrades to meet the
  406  requirements of this paragraph.
  407         2. Onsite sewage treatment and disposal systems must cease
  408  discharge by December 31, 2015, or must comply with department
  409  rules and provide the level of treatment which, on a permitted
  410  annual average basis, produces an effluent that contains no more
  411  than the following concentrations:
  412         a. Biochemical Oxygen Demand (CBOD5) of 10 mg/l.
  413         b. Suspended Solids of 10 mg/l.
  414         c. Total Nitrogen, expressed as N, of 10 mg/l or a
  415  reduction in nitrogen of at least 70 percent. A system that has
  416  been tested and certified to reduce nitrogen concentrations by
  417  at least 70 percent shall be deemed to be in compliance with
  418  this standard.
  419         d. Total Phosphorus, expressed as P, of 1 mg/l.
  420  
  421  In addition, onsite sewage treatment and disposal systems
  422  discharging to an injection well must provide basic disinfection
  423  as defined by department rule.
  424         3. In areas not scheduled to be served by a central
  425  sewerage system, onsite sewage treatment and disposal systems
  426  must, by December 31, 2015, comply with department rules and
  427  provide the level of treatment described in subparagraph 2.
  428         4. In areas scheduled to be served by a central sewerage
  429  system by December 31, 2015, if the property owner has paid a
  430  connection fee or assessment for connection to the central
  431  sewerage system, the property owner may install a holding tank
  432  with a high water alarm or an onsite sewage treatment and
  433  disposal system that meets the following minimum standards:
  434         a. The existing tanks must be pumped and inspected and
  435  certified as being watertight and free of defects in accordance
  436  with department rule; and
  437         b. A sand-lined drainfield or injection well in accordance
  438  with department rule must be installed.
  439         5. Onsite sewage treatment and disposal systems must be
  440  monitored for total nitrogen and total phosphorus concentrations
  441  as required by department rule.
  442         6. The department shall enforce proper installation,
  443  operation, and maintenance of onsite sewage treatment and
  444  disposal systems pursuant to this chapter, including ensuring
  445  that the appropriate level of treatment described in
  446  subparagraph 2. is met.
  447         7. The authority of a local government, including a special
  448  district, to mandate connection of an onsite sewage treatment
  449  and disposal system is governed by s. 4, chapter 99-395, Laws of
  450  Florida.
  451         8. Notwithstanding any other law, an onsite sewage
  452  treatment and disposal system installed after July 1, 2010, in
  453  unincorporated Monroe County, excluding special wastewater
  454  districts, that complies with the standards in subparagraph 2.
  455  is not required to connect to a central sewerage system until
  456  December 31, 2020.
  457         (m) A product sold in the state for use in onsite sewage
  458  treatment and disposal systems may not contain any substance in
  459  concentrations or amounts that would interfere with or prevent
  460  the successful operation of such system, or that would cause
  461  discharges from such systems to violate applicable water quality
  462  standards. The department shall publish criteria for products
  463  known or expected to meet the conditions of this paragraph. If a
  464  product does not meet such criteria, such product may be sold if
  465  the manufacturer satisfactorily demonstrates to the department
  466  that the conditions of this paragraph are met.
  467         (n) Evaluations for determining the seasonal high-water
  468  table elevations or the suitability of soils for the use of a
  469  new onsite sewage treatment and disposal system shall be
  470  performed by department personnel, professional engineers
  471  registered in the state, or such other persons with expertise,
  472  as defined by rule, in making such evaluations. Evaluations for
  473  determining mean annual flood lines shall be performed by those
  474  persons identified in paragraph (2)(l). The department shall
  475  accept evaluations submitted by professional engineers and such
  476  other persons as meet the expertise established by this section
  477  or by rule unless the department has a reasonable scientific
  478  basis for questioning the accuracy or completeness of the
  479  evaluation.
  480         (o) An application for an onsite sewage treatment and
  481  disposal system permit shall be completed in full, signed by the
  482  owner or the owner’s authorized representative, or by a
  483  contractor licensed under chapter 489, and shall be accompanied
  484  by all required exhibits and fees. Specific documentation of
  485  property ownership is not required as a prerequisite to the
  486  review of an application or the issuance of a permit. The
  487  issuance of a permit does not constitute determination by the
  488  department of property ownership.
  489         (p) The department may not require any form of subdivision
  490  analysis of property by an owner, developer, or subdivider
  491  before submission of an application for an onsite sewage
  492  treatment and disposal system.
  493         (q) This section does not limit the power of a municipality
  494  or county to enforce other laws for the protection of the public
  495  health and safety.
  496         (r) In the siting of onsite sewage treatment and disposal
  497  systems, including drainfields, shoulders, and slopes, guttering
  498  may not be required on single-family residential dwelling units
  499  for systems located greater than 5 feet from the roof drip line
  500  of the house. If guttering is used on residential dwelling
  501  units, the downspouts shall be directed away from the
  502  drainfield.
  503         (s) Notwithstanding subparagraph (g)1., onsite sewage
  504  treatment and disposal systems located in floodways of the
  505  Suwannee and Aucilla Rivers must adhere to the following
  506  requirements:
  507         1. The absorption surface of the drainfield may not be
  508  subject to flooding based on 10-year flood elevations. Provided,
  509  however, for lots or parcels created by the subdivision of land
  510  in accordance with applicable local government regulations
  511  before January 17, 1990, if an applicant cannot construct a
  512  drainfield system with the absorption surface of the drainfield
  513  at an elevation equal to or above 10-year flood elevation, the
  514  department shall issue a permit for an onsite sewage treatment
  515  and disposal system within the 10-year floodplain of rivers,
  516  streams, and other bodies of flowing water if all of the
  517  following criteria are met:
  518         a. The lot is at least one-half acre in size;
  519         b. The bottom of the drainfield is at least 36 inches above
  520  the 2-year flood elevation; and
  521         c. The applicant installs a waterless, incinerating, or
  522  organic waste composting toilet and a graywater system and
  523  drainfield in accordance with department rules; an aerobic
  524  treatment unit and drainfield in accordance with department
  525  rules; a system that is capable of reducing effluent nitrate by
  526  at least 50 percent in accordance with department rules; or a
  527  system other than a system using alternative drainfield
  528  materials in accordance with department rules. The United States
  529  Department of Agriculture Soil Conservation Service soil maps,
  530  State of Florida Water Management District data, and Federal
  531  Emergency Management Agency Flood Insurance maps are resources
  532  that shall be used to identify flood-prone areas.
  533         2. The use of fill or mounding to elevate a drainfield
  534  system out of the 10-year floodplain of rivers, streams, or
  535  other bodies of flowing water may not be permitted if such a
  536  system lies within a regulatory floodway of the Suwannee and
  537  Aucilla Rivers. In cases where the 10-year flood elevation does
  538  not coincide with the boundaries of the regulatory floodway, the
  539  regulatory floodway will be considered for the purposes of this
  540  subsection to extend at a minimum to the 10-year flood
  541  elevation.
  542         (t)1. The owner of an aerobic treatment unit system shall
  543  maintain a current maintenance service agreement with an aerobic
  544  treatment unit maintenance entity permitted by the department.
  545  The maintenance entity shall inspect each aerobic treatment unit
  546  system at least twice each year and shall report quarterly to
  547  the department on the number of aerobic treatment unit systems
  548  inspected and serviced. The reports may be submitted
  549  electronically.
  550         2. The property owner of an owner-occupied, single-family
  551  residence may be approved and permitted by the department as a
  552  maintenance entity for his or her own aerobic treatment unit
  553  system upon written certification from the system manufacturer’s
  554  approved representative that the property owner has received
  555  training on the proper installation and service of the system.
  556  The maintenance entity service agreement must conspicuously
  557  disclose that the property owner has the right to maintain his
  558  or her own system and is exempt from contractor registration
  559  requirements for performing construction, maintenance, or
  560  repairs on the system but is subject to all permitting
  561  requirements.
  562         3. A septic tank contractor licensed under part III of
  563  chapter 489, if approved by the manufacturer, may not be denied
  564  access by the manufacturer to aerobic treatment unit system
  565  training or spare parts for maintenance entities. After the
  566  original warranty period, component parts for an aerobic
  567  treatment unit system may be replaced with parts that meet
  568  manufacturer’s specifications but are manufactured by others.
  569  The maintenance entity shall maintain documentation of the
  570  substitute part’s equivalency for 2 years and shall provide such
  571  documentation to the department upon request.
  572         4. The owner of an aerobic treatment unit system shall
  573  obtain a system operating permit from the department and allow
  574  the department to inspect during reasonable hours each aerobic
  575  treatment unit system at least annually, and such inspection may
  576  include collection and analysis of system-effluent samples for
  577  performance criteria established by rule of the department.
  578         (u) The department may require the submission of detailed
  579  system construction plans that are prepared by a professional
  580  engineer registered in this state. The department shall
  581  establish by rule criteria for determining when such a
  582  submission is required.
  583         (v) Any permit issued and approved by the department for
  584  the installation, modification, or repair of an onsite sewage
  585  treatment and disposal system shall transfer with the title to
  586  the property in a real estate transaction. A title may not be
  587  encumbered at the time of transfer by new permit requirements by
  588  a governmental entity for an onsite sewage treatment and
  589  disposal system which differ from the permitting requirements in
  590  effect at the time the system was permitted, modified, or
  591  repaired. An inspection of a system may not be mandated by a
  592  governmental entity at the point of sale in a real estate
  593  transaction. This paragraph does not affect a septic tank phase
  594  out deferral program implemented by a consolidated government as
  595  defined in s. 9, Art. VIII of the State Constitution of 1885.
  596         (w) A governmental entity, including a municipality,
  597  county, or statutorily created commission, may not require an
  598  engineer-designed performance-based treatment system, excluding
  599  a passive engineer-designed performance-based treatment system,
  600  before the completion of the Florida Onsite Sewage Nitrogen
  601  Reduction Strategies Project. This paragraph does not apply to a
  602  governmental entity, including a municipality, county, or
  603  statutorily created commission, which adopted a local law,
  604  ordinance, or regulation on or before January 31, 2012.
  605  Notwithstanding this paragraph, an engineer-designed
  606  performance-based treatment system may be used to meet the
  607  requirements of the variance review and advisory committee
  608  recommendations.
  609         (x)1. An onsite sewage treatment and disposal system is not
  610  considered abandoned if the system is disconnected from a
  611  structure that was made unusable or destroyed following a
  612  disaster and if the system was properly functioning at the time
  613  of disconnection and was not adversely affected by the disaster.
  614  The onsite sewage treatment and disposal system may be
  615  reconnected to a rebuilt structure if:
  616         a. The reconnection of the system is to the same type of
  617  structure which contains the same number of bedrooms or fewer,
  618  if the square footage of the structure is less than or equal to
  619  110 percent of the original square footage of the structure that
  620  existed before the disaster;
  621         b. The system is not a sanitary nuisance; and
  622         c. The system has not been altered without prior
  623  authorization.
  624         2. An onsite sewage treatment and disposal system that
  625  serves a property that is foreclosed upon is not considered
  626  abandoned.
  627         (y) If an onsite sewage treatment and disposal system
  628  permittee receives, relies upon, and undertakes construction of
  629  a system based upon a validly issued construction permit under
  630  rules applicable at the time of construction but a change to a
  631  rule occurs within 5 years after the approval of the system for
  632  construction but before the final approval of the system, the
  633  rules applicable and in effect at the time of construction
  634  approval apply at the time of final approval if fundamental site
  635  conditions have not changed between the time of construction
  636  approval and final approval.
  637         (z) An existing-system inspection or evaluation and
  638  assessment, or a modification, replacement, or upgrade of an
  639  onsite sewage treatment and disposal system is not required for
  640  a remodeling addition or modification to a single-family home if
  641  a bedroom is not added. However, a remodeling addition or
  642  modification to a single-family home may not cover any part of
  643  the existing system or encroach upon a required setback or the
  644  unobstructed area. To determine if a setback or the unobstructed
  645  area is impacted, the local health department shall review and
  646  verify a floor plan and site plan of the proposed remodeling
  647  addition or modification to the home submitted by a remodeler
  648  which shows the location of the system, including the distance
  649  of the remodeling addition or modification to the home from the
  650  onsite sewage treatment and disposal system. The local health
  651  department may visit the site or otherwise determine the best
  652  means of verifying the information submitted. A verification of
  653  the location of a system is not an inspection or evaluation and
  654  assessment of the system. The review and verification must be
  655  completed within 7 business days after receipt by the local
  656  health department of a floor plan and site plan. If the review
  657  and verification is not completed within such time, the
  658  remodeling addition or modification to the single-family home,
  659  for the purposes of this paragraph, is approved.
  660         Section 2. This act shall take effect July 1, 2025.