- (a) In order to ensure the long-term effectiveness of approved stormwater practices, the applicant shall establish a mechanism to provide for on-going inspections and maintenance (I&M) of the practices for so long as the practices are reasonably expected to be used.
(b) Subject to (f), below, the mechanism shall include an I&M manual for the practices which includes, at a minimum:
- (1) The name of each responsible party who will implement the required reporting, inspection, and maintenance activities identified in the I&M manual;
- (2) The frequency of inspections;
- (3) An inspection checklist to be used during each inspection;
- (4) A requirement to photograph each practice that is subject to the I&M requirement at each inspection of that practice;
- (5) An I&M log to document each I&M activity;
- (6) A deicing log to track the amount and type of deicing materials applied to the site;
- (7) A plan showing the locations of all the stormwater practices described in the I&M manual;
- (8) Actions to be taken if any invasive species begin to grow in the stormwater management practices;
- (9) If a stormwater management system is located within a drainage easement on a single family or duplex residential lot, copies of the drainage easements prepared pursuant to Env-Wq 1504.07;
- (10) A note that states that maintenance activities shall comply with laws that protect wildlife, including RSA 212-A, RSA 209:8, and RSA 209:9; and
- (11) A requirement to maintain 85% vegetative cover uniformly distributed on all areas permanently stabilized with vegetation, including beneath the solar panels if present, and to repair areas of erosion.
- (c) All record keeping required by the I&M manual shall be maintained by the responsible party(ies) and be made available to the department upon request.
- (d) Upon the completion of all terrain alteration activities that direct stormwater to a particular practice, the responsible party(ies) shall initiate the I&M activities.
- (e) The responsible party(ies) may contract with one or more third parties to conduct the I&M activities, but shall remain responsible for ensuring the long-term effectiveness of the stormwater practices.
(f) If a federal or state agency or a political subdivision of the state agrees to assume the responsibility for some or all components of the stormwater management system, the following shall apply:
- (1) The transferor responsible party(ies) shall document the transfer of responsibility in writing to the department;
- (2) No I&M manual shall be required for those components for which the agency or political subdivision assumes responsibility, unless required by the agency or political subdivision as a condition of accepting responsibility; and
- (3) The agency or political subdivision that agrees to assume responsibility shall document that maintenance activities are being performed as necessary to ensure the long-term effectiveness of those components of the stormwater management system for which the agency or political subdivision assumed responsibility.
- (g) If ownership of commercial or industrial property is transferred, the new property owner(s) shall become the responsible party(ies).
(h) If the property is a residential development for which a homeowners’ association will be established, then:
- (1) The homeowners’ association shall become the responsible party as specified in the documentation that establishes the association; and
- (2) If the homeowners’ association is dissolved or otherwise discontinued, the individual homeowners shall have joint and several liability for all I&M obligations.
Source. #9343, eff 1-1-09; ss by #12342, eff 8-15-17 (formerly Env-Wq 1507.08); ss by #14472, eff 1-19-26, EXPIRES: 1-19-36