Pennsylvania Code
Title 25 - ENVIRONMENTAL PROTECTION
Part I - Department of Environmental Protection
Subpart C - Protection of Natural Resources
Article II - Water Resources
Chapter 109 - SAFE DRINKING WATER
Subchapter M - ADDITIONAL REQUIREMENTS FOR GROUNDWATER SOURCES
Section 109.1305 - Compliance monitoring
Current through Register Vol. 55, No. 13, March 29, 2025
(a) Chemical disinfection. Groundwater systems demonstrating at least 4-log treatment of viruses using chemical disinfection shall monitor for and maintain the Department-approved residual disinfection concentration every day the system serves the public from the groundwater source.
(b) Alternative treatment. Groundwater systems demonstrating at least 4-log treatment of viruses using a Department-approved alternative treatment method, including a combination of treatment methods shall:
The provisions of this § 109.1305 amended under section 4(a) of the Pennsylvania Safe Drinking Water Act (35 P.S. § 721.4(a)); and section 1920-A(b) of The Administrative Code of 1929 (71 P.S. § 510-20(b)).
This section cited in 25 Pa. Code § 109.1302 (relating to treatment technique requirements); 25 Pa. Code § 109.1306 (relating to information describing 4-log treatment and compliance monitoring); and 25 Pa. Code § 109.1307 (relating to system management responsibilities).