(a)No state agency shall undertake an activity or a critical activity within or affecting the floodplain without first obtaining an approval or approval with conditions from the commissioner of a certification submitted in accordance with subsection (b) of this section or exemption by the commissioner from such approval or approval with conditions in accordance with subsection (d) of this section.
(b)Any state agency proposing an activity or critical activity within or affecting the floodplain shall submit to the commissioner information certifying that:
(1)The proposal will not obstruct flood flows or result in an adverse increase in flood elevations, significantly affect the storage or flood control value of the floodplains, cause an adverse increase in flood velocities, or an adverse
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(a) No state agency shall undertake an activity or a critical activity within or affecting the floodplain without first obtaining an approval or approval with conditions from the commissioner of a certification submitted in accordance with subsection (b) of this section or exemption by the commissioner from such approval or approval with conditions in accordance with subsection (d) of this section. (b) Any state agency proposing an activity or critical activity within or affecting the floodplain shall submit to the commissioner information certifying that: (1) The proposal will not obstruct flood flows or result in an adverse increase in flood elevations, significantly affect the storage or flood control value of the floodplains, cause an adverse increase in flood velocities, or an adverse flooding impact upon upstream, downstream or abutting properties, or pose a hazard to human life, health or property in the event of a base flood or base flood for a critical activity; (2) The proposal complies with the provisions of the National Flood Insurance Program, 44 CFR 59 et seq., and any floodplain zoning requirements adopted by a municipality in the area of the proposal and the requirements for stream channel encroachment lines adopted pursuant to the provisions of section 22a-342 ; (3) The agency has acquired, through public or private purchase or conveyance, easements and property in floodplains when the base flood or base flood for a critical activity is elevated above the increment authorized by the National Flood Insurance Program or the flood storage loss would cause adverse increases in such base flood flows; (4) The proposal promotes long-term nonintensive floodplain uses and has utilities located to discourage floodplain development; (5) The agency has considered and will use to the extent feasible flood-proofing techniques to protect new and existing structures and utility lines, will construct dikes, dams, channel alterations, seawalls, breakwaters or other structures only where there are no practical alternatives and will implement stormwater management practices in accordance with regulations adopted pursuant to section 25-68h ; and (6) The agency has flood forecasting and warning capabilities consistent with the system maintained by the National Weather Service and has a flood preparedness plan. (c) The commissioner shall make a decision either approving, approving with conditions or rejecting a certification not later than ninety days after receipt of such certification, except that in the case of an exemption any decision shall be made ninety days after the close of the hearing. If a certification is rejected, the agency shall be entitled to a hearing in accordance with the provisions of sections 4-176e , 4-177 , 4-177c and 4-180 . (d) (1) Any state agency proposing an activity or critical activity within or affecting the floodplain may apply to the commissioner for exemption from the provisions of subsection (b) of this section. Such application shall include a statement of the reasons why such agency is unable to comply with said subsection and any other information the commissioner deems necessary. The commissioner, at least thirty days before approving, approving with conditions or denying any such application, shall publish once in a newspaper having a substantial circulation in the affected area notice of: (A) The name of the applicant; (B) the location and nature of the requested exemption; (C) the tentative decision on the application; and (D) additional information the commissioner deems necessary to support the decision to approve, approve with conditions or deny the application. There shall be a comment period following the public notice during which period interested persons and municipalities may submit written comments. After the comment period, the commissioner shall make a final determination to either approve the application, approve the application with conditions or deny the application. (2) The commissioner may hold a public hearing prior to approving, approving with conditions or denying any application if in the discretion of the commissioner the public interest will be best served thereby, and the commissioner shall hold a public hearing upon receipt of a petition signed by at least twenty-five persons, unless the activity or critical activity is a transportation capital project subject to the provisions of subdivisions (3) and (4) of this subsection. Notice of such hearing shall be published at least thirty days before the hearing in a newspaper having a substantial circulation in the area affected. The commissioner may approve or approve with conditions such exemption if the commissioner determines that (A) the agency has shown that the activity or critical activity is in the public interest, will not injure persons or damage property in the area of such activity or critical activity, complies with the provisions of the National Flood Insurance Program, and, in the case of a loan or grant, the recipient of the loan or grant has been informed that increased flood insurance premiums may result from the activity or critical activity. An activity shall be considered to be in the public interest if it is a development subject to environmental remediation regulations adopted pursuant to section 22a-133k and is in or adjacent to an area identified as a regional center, neighborhood conservation area, growth area or rural community center in the state plan of conservation and development pursuant to chapter 297, or (B) in the case of a flood control project, such project meets the criteria of subparagraph (A) of this subdivision and is more cost-effective to the state and municipalities than a project constructed to or above the base flood or base flood for a critical activity. Following approval for exemption for a flood control project, the commissioner shall provide notice of the hazards of a flood greater than the capacity of the project design to each member of the legislature whose district will be affected by the project and to the following agencies and officials in the area to be protected by the project: The planning and zoning commission, the inland wetlands agency, the director of civil defense, the conservation commission, the fire department, the police department, the chief elected official and each member of the legislative body, and the regional council of governments. Notice shall be given to the general public by publication in a newspaper of general circulation in each municipality in the area in which the project is to be located. (3) If the activity or critical activity is a transportation capital project and (A) such project is not located at an airport, as defined in section 15-34 , (B) the federal government requires public participation regarding such activity or critical activity, (C) the state agency proposing to conduct or cause to be conducted such activity or critical activity sought public input on such activity or critical activity by implementing a plan approved by an agency of the federal government, and (D) such state agency submits to the commissioner a copy of the approved plan for public participation, a written summary of the opportunities for public participation that were provided and a copy or record of any comments received regarding such activity or critical activity and how such comments were responded to or addressed, the commissioner shall only be required to hold a public hearing on such application, upon receipt of a petition, signed by at least twenty-five persons, that alleges aggrievement or unreasonable pollution or destruction of the public trust. (4) For the purposes of subdivision (3) of this subsection, a petition alleges aggrievement or unreasonable pollution or destruction of the public trust if the petition sets forth specific facts that demonstrate that the legal rights, duties or privileges of at least one person who signed the petition will be, or may reasonably be expected to be, affected by such activity or critical activity, or that alleges that the activity or critical activity involves conduct which has, or which is reasonably likely to have, the effect of unreasonably polluting, impairing or destroying the public trust in the air, water or other natural resources of the state. Any such petition shall identify the relevant statutory or regulatory provision with which petitioners claim such activity or critical activity does not satisfy. The commissioner shall provide a copy of any such petition received to the state agency. Not more than seven business days after receipt of such petition, the state agency may object to such petition on the basis that the petition does not contain the specific factual demonstration required by this subdivision. The commissioner shall determine whether the petition satisfies the requirements of this subdivision and shall send notice of such determination, in writing, to the state agency and the person who submitted the petition. (5) Nothing in this subsection shall be construed to modify or limit any requirement of sections 22a-1a to 22a-1h , inclusive, concerning a public scoping process, a public hearing or public participation. (e) The use of a mill that is located on a brownfield, as defined in section 32-760 , shall be exempt from the certification requirements of subdivision (4) of subsection (b) of this section, provided the agency demonstrates: (1) The activity is subject to the environmental remediation requirements of the regulations adopted pursuant to section 22a-133k , (2) the activity is limited to the areas of the property where historical mill uses occurred, (3) any critical activity is above the five-hundred-year flood elevation, and (4) the activity complies with the provisions of the National Flood Insurance Program. (f) The failure of any agency to comply with the provisions of this section or any regulations adopted pursuant to section 25-68c shall be grounds for revocation of the approval of the certification. (g) The provisions of this section shall not apply to any proposal by the Department of Transportation, the Department of Housing or the Department of Economic and Community Development for a project within a drainage basin of less than one square mile. (h) The provisions of subsections (a) to (d), inclusive, and (f) and (g) of this section shall not apply to the following critical activities above the one-hundred-year flood elevation that involve state funded housing reconstruction, rehabilitation or renovation, provided the state agency that provides funding for such activity certifies that it complies with the provisions of the National Flood Insurance Program and the requirements of this subsection: (1) Projects involving the renovation or rehabilitation of existing housing on the Department of Housing's most recent affordable housing appeals list; (2) construction of minor structures to an existing building for the purpose of providing accessibility to persons with disabilities pursuant to the State Building Code; (3) construction of open decks attached to residential structures, properly anchored in accordance with the State Building Code; (4) the demolition and reconstruction of existing housing for persons and families of low and moderate income, provided there is no increase in the number of dwelling units and (A) such reconstruction is limited to the footprint of the existing foundation of the building or buildings used for such purpose, or which could be used for such purpose subsequent to reconstruction, or (B) such reconstruction is on a parcel of land where the elevation of such land is above the one-hundred-year flood elevation, provided there is no placement of fill within an adopted Federal Emergency Management Agency flood zone.
(P.A. 84-536, S. 3; P.A. 88-317, S. 87, 107; P.A. 05-174, S. 3; 05-288, S. 112, 113; P.A. 07-233, S. 9; P.A. 09-141, S. 1; 09-235, S. 1; P.A. 10-139, S. 1; P.A. 13-234, S. 44; 13-247, S. 312; 13-308, S. 21; P.A. 17-202, S. 76; P.A. 22-23, S. 15; P.A. 24-81, S. 130.) History: P.A. 88-317 added references in Subsec. (c) to Secs. 4-176e, 4-177c and 4-180, effective July 1, 1989, and applicable to all agency proceedings commencing on or after that date; P.A. 05-174 added provisions re approval with conditions and made technical changes in Subsecs. (a), (c) and (d) and replaced former provision re notice and hearing with new provisions re procedural requirements for state agency exemption in Subsec. (d); P.A. 05-288 made technical changes in Subsecs. (a) and (d), effective July 13, 2005; P.A. 07-233 amended Subsec. (d)(4)(A) to specify types of activities considered to be in the public interest, effective July 1, 2007; P.A. 09-141, effective June 25, 2009, and P.A. 09-235, effective July 9, 2009, both added exemption from certification requirements for use of mill located on a brownfield, codified as new Subsec. (e), and redesignated existing Subsecs. (e) and (f) as Subsecs. (f) and (g); P.A. 10-139 made technical changes in Subsecs. (b)(2) and (e)(3), added Department of Economic and Community Development exemption in Subsec. (g) and added Subsec. (h) re exemptions for critical activities above the one-hundred-year flood elevation that involve state funded housing reconstruction, rehabilitation or renovation, effective July 1, 2010; P.A. 13-234 amended Subsec. (g) by adding “, the Department of Housing” and amended Subsec. (h) by substituting “Department of Housing's” for “Department of Economic and Community Development's”, effective July 1, 2013; pursuant to P.A. 13-247, “regional planning agency” was changed editorially by the Revisors to “regional council of governments” in Subsec. (d), effective January 1, 2015; P.A. 13-308 amended Subsec. (e) by replacing reference to Sec. 32-9kk with reference to Sec. 32-760, effective July 1, 2013; P.A. 17-202 amended Subsec. (h) by replacing “handicapped accessibility” with “accessibility to persons with disabilities”; P.A. 22-23 made a technical change in Subsec. (d); P.A. 24-81 amended Subsec. (d) to designate existing provision re application as new Subdiv. (1) and amend same to redesignate existing Subdivs. (1) to (4) as Subparas. (A) to (D), designate existing provision re public hearing on application as new Subdiv. (2) and amend same to add provision re regulated activity is transportation capital project subject to new Subdivs. (3) and (4), added new Subdiv. (3) re public hearing when regulated activity is transportation capital project, added new Subdiv. (4) re petition that alleges aggrievement or unreasonable pollution or destruction of public trust and added Subdiv. (5) re nothing to be construed to modify or limit requirements of Secs. 22a-1a to 22a-1h, effective July 1, 2024.