10-144-232 Me. Code R. § 4-405.0

Current through 2024-40, October 2, 2024
Section 144-232-4-405.0 - STANDARD PRACTICE FOR DISINFECTION
405.1General: Water used for the development of gravel wells, or water used hydrofracturing bedrock wells will be chlorinated or potable.
405.2New well disinfection: All new wells shall be chlorinated to a minimum concentration of 50 PPM for a minimum of 4 hours upon completion of the well. See table 405.1 for the recommended amounts of chlorine bleach.

Table 405.1

Recommended chlorine dosages using 5.25% chlorine bleach

Diameter of the well Amount of chlorine bleach needed for each 100 feet of water depth
2 inches 2 ounces
4 inches 9 ounces
6 inches 20 ounces
8 inches 34 ounces
12 inches 80 ounces
24 inches 298 ounces

10-144 C.M.R. ch. 232, § 4-405.0