New Hampshire Code of Administrative Rules
Env - Department of Environmental Services
Subtitle Env-Ws - Division of Water
Chapter Env-Ws 300 - NEW HAMPSHIRE DRINKING WATER RULES
Part Env-Ws 379 - SITE SELECTION OF LARGE PRODUCTION WELLS FOR COMMUNITY WATER SYSTEMS
Section Env-Ws 379.09 - Preliminary Contamination Source and Water User Inventories

Universal Citation: NH Admin Rules Env-Ws 379.09

Current through Register No. 13, March 27, 2025

(a) Preliminary contamination source and water use inventories of the wellhead protection area shall be:

(1) Completed before the pumping test and water quality sampling program proposals required in accordance with Env-Ws 379.11 and Env-Ws 379.12 are developed.

(2) Included in the preliminary report;

(3) Revised and updated for the final report in accordance with Env-Ws 379.18; and

(4) Compiled from a search of the following information sources:

a. Records at the department;

b. Records at the municipality; and

c. A windshield survey of all properties within the estimated wellhead protection area.

(b) The contamination source inventory shall:

(1) Identify and describe known and potential contamination sources in the estimated wellhead protection area;

(2) Include the following information for each known and potential source of contamination:

a. The site name and address;

b. The property owner(s) or operator(s) name, address, and telephone number;

c. For each known source of contamination, a description of the nature, extent and investigation, and remedial action status of the contamination; and

d. For each potential source of contamination, the type of potential contamination sources at the facility as defined in RSA 485-C:7, III.

(1) Identify other water users that may be impacted by the new well including private wells within 1000 feet and public wells and registered water withdrawals in the estimated wellhead protection area; and

(2) Include the following information:

a. A description of each private well, assuming that all developed lots not served by a public water system have private wells, including:

1. The property address; and

2. Water uses observed during the windshield survey;

b. A description of each public well including:

1. The water system name and address;

2. The wells federal identification number; and

3. The average water use; and

c. A description of each water withdrawal registered in accordance with Env-Wr 700 including:

1. The name and address of the withdrawer;

2. The type of use; and

3. The average water use.

(d) An inventory map showing the location of the contamination sources and water users inventoried within the wellhead protection area shall:

(1) Be presented in the preliminary and final reports;

(2) Have, as its base, an original or a clear color copy of a United States Geological Survey topographic quadrangle map at a scale of 1:24000 or 1:25000; and

(3) Include the following information:

a. The estimate of the wellhead protection area; and

b. The title, scale, and date of the quadrangle.

(See Revision Note at chapter heading for Env-Ws 300) #6521, eff 6-4-97; ss by #6979, eff 4-21-99; ss by #8871, INTERIM, eff 4-21-07, EXPIRES: 10-18-07

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