N.H. Code Admin. R. Env-Wq 402.05

Current through Register No. 25, June 20, 2024

Section Env-Wq 402.05 - Exemptions to Groundwater Quality Criteria

Groundwater shall be exempt from the groundwater quality criteria of Env-Wq 402.04(a) and (b) if:

(a) The groundwater is within a groundwater discharge zone that has been permitted in accordance with Env-Wq 402.23;

(b) The groundwater is within a groundwater management zone that has been permitted in accordance with Env-Or 607; or

(c) The only source of the groundwater contamination is:

(1) Salt and other de-icing chemicals applied for winter road maintenance, provided an active source of drinking water is not made unsuitable for use as drinking water without treatment; or

(2) Residual 1,4-dioxane, perfluorohexane sulfonic acid (PFHxS), perfluorononanoic acid (PFNA), perfluorooctane sulfonic acid (PFOS), or perfluorooctanoic acid (PFOA), or any combination thereof, from any facility that discharges treated wastewater to groundwater, provided:

a.The requirements of Env-Wq 402.251 are met; and

b.An active source of drinking water is not made unsuitable for use as drinking water without treatment.

N.H. Code Admin. R. Env-Wq 402.05

(See Revision Note at part heading for Env-Wq 402) #8955, eff 7-26-07

Amended by Volume XXXVI Number 10, Filed March 10, 2016, Proposed by #11036, Effective 3/1/2016, Expires 3/1/2026.

Amended by Volume XXXVIII Number 28, Filed July 12, 2018, Proposed by #12553, Effective 9/1/2018, Expires 9/1/2028.

Amended by Volume XXXIX Number 32, Filed August 8, 2019, Proposed by #12836, Effective 9/30/2019, Expires 9/30/2029.