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 372 - DESIGN STANDARDS FOR SMALL COMMUNITY WATER SYSTEMS
Section Env-Ws 372.11 - Acceptable Sources of Water Supply

Universal Citation: NH Admin Rules Env-Ws 372.11

Current through Register No. 13, March 27, 2025

(a) The use of surface water shall not be allowed for any small communitywatersystem.

(b) A minimum of 2 wells shall be required for the following systems:

(1) A community water system where the design flow exceeds 13,500 gpd; and

(2) Any NTNC water system whose reliability is directly important to the public health as specified in Env-Ws 372.02(g) and where the residential-equivalent units exceeds 30.

(c) If connection to a municipal water system is proposed, the applicant shall submit to the department a letter of confirmation from the supplying water system owner.

(d) The letter of confirmationshall state that:

(1) Adequate quantities of water are available to serve the proposed water system; and

(2) With the proposed water system on-line, adequate system pressures will be maintained.

(e) Design criteria for municipal water system piping extensions shall be as specified in Env-Ws 374 .

(See Revision Note at chapter heading Env-Ws 300) #6521, eff 6-4-97; ss by #8360, INTERIM, eff 6-4-05, EXPIRES: 12-1-05; ss by #8496, eff 11-30-05

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