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 373 - DESIGN STANDARDS FOR NON-COMMUNITY WATER SYSTEMS
Section Env-Ws 373.11 - Well Location
Current through Register No. 13, March 27, 2025
(a) Non-community water system wells shall be located at least 50 feet from surface waters, wetlands, and natural drainage ways.
(b) The wellhead shall be above the 100-year flood level, provided, however, that where wells must be located within a floodway, the area immediately surrounding the well and pumphouse shall be built up above the 100-year flood elevation.
(c) Non-community water system wells shall be kept at least 50 feet from the edge of road right-of-ways, driveways, and parking areas to minimize contamination from de-icing salts.
(See Revision Note at chapter heading for Env-Ws 300); ss by #8499, eff 11-30-05
