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 308 - CRITERIA AND PROCEDURES FOR NON-CENTRAL TREATMENT
Section Env-Ws 308.02 - Point-of-Entry Treatment

(a) Point-of-entry (POE) treatment shall be used only where:

(b) To obtain approval to install POE treatment, the owner of the water system shall submit the following in writing to the department:

(c) The department shall approve a POE treatment concept if it determines that:

(d) The public water system owner shall operate and maintain each POE treatment unit.

(e) The public water system owner shall develop a monitoring plan consistent with Env-Ws 320 through Env-Ws 329 and obtain department approval for that plan before installing any POE device. Under the plan approved by the department, POE devices shall provide health protection equivalent to central water treatment. The monitoring plan for POE devices shall also include physical measurements, observations such as total flow treated, the mechanical condition of the treatment equipment, the microbiological purity of the water, and a maintenance schedule.

(f) The design submittal for the POEtreatment shall include the following certifications:

(g) The layout of the installation shall insure that all consumers shall be equally protected. Every building connected to a system for which a POE treatment is allowed shall have a POE device, which is installed, maintained, and adequately monitored. The owner shall submit data documenting that every building is subject to treatment and monitoring. If POE treatment is used, it shall remain a permanent part of the supply and shall not be separated by sale, lease, or other conveyance of the property.