N.H. Code Admin. R. Env-Wq 403.31

Current through Register No. 25, June 20, 2024
Section Env-Wq 403.31 - Impact Mitigation
(a) The permittee shall immediately implement an impact mitigation program for withdrawals when:
(1) A withdrawal permit requires mitigation from the start of operation to prevent adverse impacts anticipated during the permit application process;
(2) An impact monitoring and reporting program conducted in accordance with Env-Wq 403.26 reveals the potential occurrence of an adverse impact; or
(3) The department determines that a report of unanticipated or adverse impact is valid as defined by Env-Wq 403.24 and reported in accordance with Env-Wq 403.25.
(b) Once an adverse impact is verified in accordance with Env-Wq 403.25, the permittee shall:
(1) Submit a description of the impact based on observations to the department within 14 calendar days of adverse impact notification under Env-Wq 403.25;
(2) Submit an impact mitigation program description in accordance with (c), below, for department approval within 60 calendar days of adverse impact notification under Env-Wq 403.25; and
(3) Where the impact mitigation program is a condition of the permit and meets adverse impact thresholds identified in the permit, immediately begin the impact mitigation program designed for permit approval pursuant to Env-Wq 403.26.
(c) A mitigation program shall include one or more of the following measures, as necessary to mitigate adverse impacts:
(1) Implementation of additional water conservation measures;
(2) Reduction in withdrawal volumes, including cessation of the withdrawal except where necessary for fire protection or residential drinking water;
(3) Replacement of sources for adversely impacted users in accordance with Env-Wq 403.32; and
(4) Other action(s) necessary to address the specific adverse impacts.
(d) The mitigation program also shall include:
(1) Periodic monitoring and reporting at a frequency necessary to substantiate the effectiveness of the mitigation activities; and
(2) A schedule for the implementation of the activities listed in (c), above.
(e) Adherence to a mitigation program, where required, shall be a condition of the permit or become a condition of the withdrawal permit in accordance with permit modification procedures under Env-Wq 403.33.

N.H. Code Admin. R. Env-Wq 403.31

(See Revision Note at part heading for Env-Wq 403) #9569, eff 10-17-09

Amended by Volume XXXVIII Number 15, Filed April 12, 2018, Proposed by #12493, Effective 3/21/2018, Expires 3/21/2028.