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 372.20 - Sizing and Installing Booster Pumps
Current through Register No. 13, March 27, 2025
(a) All small community water systems and those NTNC water systems important to the public health as specified in Env-Ws 372.02(g) shall comply with this section relative to boosterpumps, whichwithdraw water from atmospheric storage tanks and pump to hydropneumatic or pressure tanks.
(b) Where booster pumps are used, t otal booster pump capacity shall be at least equal to peak flow. Booster pumps shall be in duplicate.
(c) Booster pumps shall be connected to a flat, secure surface of sufficient strength to withstand vibration, thrust, and weight. The installed elevation of the pump base shall be at least 8 inches above the finished floor in the pumphouse.
(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