10-144-232 Me. Code R. § 4-405.0

Current through 2024-51, December 18, 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