1. (a) The commissioner shall cause a survey and maps to be made of each town showing the location of any dams or similar structures within such town, and shall file a copy of such map with the town clerk. On and after October 1, 2007, the owner of real property where a high hazard or significant hazard dam is located shall cause to be recorded on the land records in the municipality where the property is located a document that identifies the existence of the dam and whether the dam is categorized as a high hazard dam or a significant hazard dam. The commissioner shall publish a standardized form to be used for such purposes.

2. (b) The owner of any dam or similar structure that, by failing, may endanger life or property and that is not already registered shall register on or before October 1, 2015, with the Commissioner of Energy and Environmental Protection on a form prescribed by the commissioner, the location and dimensions of such dam or structure and such other information as the commissioner may require. Any information reported on such form that the commissioner cannot otherwise independently obtain shall not be used by the commissioner to order the payment of a civil penalty pursuant to section 22a-6d or 22a-407 provided such form is submitted to the commissioner on or before October 1, 2015. The fee for registration shall be as follows:

   1. (1) Dams or similar structures five feet or more in height but less than fifteen feet, fifty dollars; (2) dams or similar structures fifteen feet or more in height but less than twenty-five feet, one hundred dollars; and (3) dams or similar structures twenty-five feet or more in height, two hundred dollars. Dams or similar structures less than five feet in height shall be registered without fee. As used in this subsection, “height” means the vertical distance from the crest of a dam or similar structure to the downstream toe of such dam or similar structure. The owner of any dam or similar structure shall notify the commissioner by registered or certified mail, return receipt requested, of a transfer of ownership of such dam or similar structure not later than ten days after the date of such transfer.
3. (c) The commissioner shall notify the owner of any dam or similar structure registered pursuant to subsection (b) of this section, in writing, by certified mail, return receipt requested, not later than January fifteenth of any year in which inspection of such dam is due. Such notice shall identify the classification of such dam, as set forth in the regulations adopted pursuant to this subsection, and include a statement of the frequency for such inspection, as set forth in such regulations. Upon receipt of such timely notification by the commissioner, the owner of any such dam or similar structure shall cause such structure to be inspected in accordance with the regulations adopted pursuant to this subsection by a registered professional engineer licensed in the state and shall, not later than March fifteenth of the following year, submit the results of such inspection to the commissioner on a form prescribed by the commissioner. The commissioner shall periodically inspect dams registered pursuant to subsection (b) of this section for quality assurance when an owner fails to undertake a regularly scheduled inspection and as necessary after a flood event. The fee for any such inspection shall be six hundred sixty dollars until such time as regulations are adopted concerning such inspection fees. Any dam which impounds less than three acre-feet of water or any dam which the commissioner finds has a potential for negligible damage in the event of a failure, after an initial inspection, shall be exempt from the provisions of this subsection except upon determination by the commissioner that such dam poses a unique hazard. The commissioner shall adopt regulations in accordance with the provisions of chapter 54 establishing (1) a schedule for the frequency of and procedures for inspection of dams, (2) the inspection fees for inspections undertaken by the department, sufficient to cover the reasonable cost of such inspections, (3) procedures for registration and criteria for waiver of registration and inspection fees, and (4) criteria for determining whether a dam has a potential for negligible damage in the event of a failure.

See Sec. 22a-27i re exemption of municipality for one year.

(November, 1955, S. N205; 1957, P.A. 364, S. 20; 1971, P.A. 872, S. 138; June Sp. Sess. P.A. 83-38, S. 1; P.A. 86-30, S. 1, 2; P.A. 90-231, S. 10, 28; P.A. 91-369, S. 16, 36; June 30 Sp. Sess. P.A. 03-6, S. 133; P.A. 07-61, S. 2; June Sp. Sess. P.A. 09-3, S. 421; P.A. 11-80, S. 1; P.A. 13-197, S. 4.)

History: 1971 act replaced water resources commission with commissioner of environmental protection; Sec. 25-118 transferred to Sec. 22a-409 in 1983; June Sp. Sess. P.A. 83-38 clarified that the provisions of the new Subsec. (a) applied to dams and similar structures within a town, added Subsec. (b) requiring the owner of a dam or similar structure to provide certain information concerning such structures to the commissioner of environmental protection by registering with the commissioner by July 1, 1984, and added Subsec. (c) requiring the commissioner of environmental protection to adopt regulations governing the periodic inspection of those dams registered pursuant to Subsec. (b); P.A. 86-30 amended Subsec. (c) by adding exemption for dams with a potential for negligible damage in the case of a failure and requiring the commissioner to adopt regulations re criteria for negligible damage; P.A. 90-231 amended Subsec. (c) to require an inspection fee and provided that on and after July 1, 1992, the fee shall be prescribed by regulations; P.A. 91-369 amended Subsec. (c) to restate commissioner's authority to adopt regulations setting the fees required by this section and to increase inspection fee from $250 to $350; June 30 Sp. Sess. P.A. 03-6 increased registration and inspection fees by 50% in Susecs. (b) and (c), made a technical change in Subsec. (c), and deleted provisions in Subsec. (c) re amount of fees prescribed by regulation, effective August 20, 2003; P.A. 07-61 added provision in Subsec. (a) requiring owner of property where high hazard or significant hazard dam is located to record document identifying its existence on land records and requiring commissioner to publish standardized form; June Sp. Sess. P.A. 09-3 amended Subsec. (c) to increase fee from $525 to $660; pursuant to P.A. 11-80, “Commissioner of Environmental Protection” was changed editorially by the Revisors to “Commissioner of Energy and Environmental Protection” in Subsec. (b), effective July 1, 2011; P.A. 13-197 amended Subsec. (b) by adding provision re owner of a dam that, by failing, may endanger life or property and that is not already registered shall register on or before October 1, 2015, adding provision re inability of commissioner to use information reported on form that is not otherwise independently verifiable to order payment of a civil penalty and adding provision requiring owner of a dam to notify commissioner of any transfer of ownership of the dam not later than 10 days after such transfer, amended Subsec. (c) by adding provision requiring commissioner to notify owner of any registered dam of due date for inspection of such dam, adding provision requiring such notice to include the classification and frequency for inspection of such dam, adding requirement that owner of the dam cause the dam to be inspected by a registered professional engineer, adding requirement that owner submit a copy of such inspection to commissioner, adding provision authorizing commissioner to inspect dams for quality assurance when owner fails to undertake regular inspections and adding provision re inspection fee of $660 until such time as regulations are adopted concerning inspection fees, and made technical changes.