scope:

This standard describes the procedures for disinfection, bacteriological testing, and contamination prevention of new and existing individual, private, and community wells for potable water service following construction, servicing, maintenance, or any other activity or event that might lead to contamination of the water. The chlorination procedures provided in this standard are for any well for potable water including the gravel or filter pack, screen, open-borehole intake (bedrock well), well casing, pump, and appurtenant piping and are presented in the sequence in which they generally would be implemented.

Purpose

The purpose of this standard is to establish the minimum requirements for the disinfection of wells for potable water service, including procedures for correcting the source of contamination, disinfection, and bacteriological testing.