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 373.17 - Pumps and Auxiliary Equipment

(a) All non-community water systems serving campgrounds shall have a water meter installed on each incoming source line before the water enters the storage tank(s).

(b) For all non-community water systems, a pressure gauge shall be provided. Gauges shall be installed with gauge cocks for isolation and of suitable range for the expected pressure range.

(c) For all non-community water systems, the pump controls shall have a manual "off/on/auto" switch to control pump operations where water is pumped into a vented tank or the equivalent. Where the water is pumped into a pressure system, a pressure relief valve or spring-loaded "on" switch shall be provided.

(d) Where an air compressor is provided for air which will be in direct contact with drinking water, the air compressor shall be of the oil-less type.

(e) Mercury-type float switches shall not be in direct contact with drinking water, and shall, if present, be removed and replaced.