N.H. Admin. Code § Env-Wq 305.04

Current through Register No. 50, December 12, 2024

Section Env-Wq 305.04 - Municipal Sewer Use Ordinance

(a) A municipality with a POTW shall develop and maintain a sewer use ordinance.

(b) Any municipality served by the WRBP pursuant to RSA 485-A:45-54 shall obtain verification of compliance with Env-Wq 1200 from the WRBP for a sewer use ordinance or revision thereto, prior to department review.

(c) Subject to Env-Wq 305.07, in order to be approvable pursuant to Env-Wq 305.08 a municipal sewer use ordinance or revisions thereto shall include the following minimum pretreatment standards and related provisions applicable to indirect dischargers:

(1) Local limits as specified in Env-Wq 305.05;

(2) Fume toxicity, explosivity, and ignitability screening levels when necessary for the protection of personnel or sewer structures;

(3) A requirement that wastes introduced into a POTW by any person shall not:

a. Interfere with the safety, operation, maintenance, or performance of the POTW;

b. Have an adverse effect on the receiving stream;

c. Prevent disposal of sludge in the manner used by the POTW; or

d. Otherwise endanger life, limb, public property, or constitute a nuisance;

(4) A prohibition on diluting any waste stream to meet required limits;

(5) A list of wastes prohibited to be discharged to the POTW, which shall include as a minimum the items listed in Env-Wq 305.06;

(6) A provision or provisions by which the municipality may require a discharger to:

a. Install and maintain monitoring and sampling equipment;

b. Keep records of monitoring and sampling data, including quality assurance/quality control records for a period of at least 5 years from the date of the measuring, sampling, or report, which period shall be extended through the duration of any enforcement action; and

c. Submit records upon written request to local or state officials;

(7) A space for documentation that the local authority has adopted the sewer use ordinance, including adoption date and signatures of adopting officials;

(8) A requirement that an indirect discharge of wastewater shall only be allowed to a sewer connected to the POTW;

(9) A requirement that all newly-connected discharges shall be in compliance with pretreatment standards prior to connection to the POTW;

(10) A requirement that each significant indirect discharger obtain a discharge permit from the owner of the POTW in accordance with Env-Wq 305.10 through Env-Wq 305.16, as applicable, prior to discharging any industrial waste to the POTW, provided that the ordinance may include the provisions of Env-Wq 305.19 or Env-Wq 305.20, or both, to allow the permitting authority to allow certain discharges of limited duration without a permit;

(11) A requirement that any discharge permit issued include the conditions identified in Env-Wq 305.18;

(12) A requirement that any dental practice that is required by Env-Wq 306 to have an amalgam separator, properly install and maintain the separator;

(13) A requirement that grease interceptors be installed and maintained in accordance with local and state codes and requirements and that maintenance records be periodically provided to the POTW; and

(14) A requirement that at least once a year the municipality inspect each significant indirect discharger for compliance with the discharge permit, which inspection shall include sampling if the municipality determines that sampling is necessary to determine compliance.

N.H. Admin. Code § Env-Wq 305.04

(See Revision Note at part heading for Env-Wq 305) #10381, eff 8-1-13

Amended by Volume XLI Number 32, Filed August 12, 2021, Proposed by #13241, Effective 7/24/2021, Expires 7/24/2031