Wisconsin Administrative Code
Department of Natural Resources
NR 800 - Environmental Protection - Water Supply
Chapter NR 809 - Safe Drinking Water
Subchapter I - Maximum Contaminant Levels, Monitoring and Analytical Requirements for Primary Drinking Water Contaminants
Section NR 809.312 - Compliance reporting for microbiological contaminants
Current through August 26, 2024
(1) MCL VIOLATION REPORTING. When a sample collected under s. NR 809.31 (1), (2), (2m), (4), or (5) exceeds maximum contaminant level in s. NR 809.30 (1), the water supplier shall report the violation to the department no later than the end of the next business day after it learns of the violation, and shall provide public notice of the violation in accordance with s. NR 809.951.
(1m) TREATMENT TECHNIQUE VIOLATION REPORTING. The water supplier for a public water system that has violated the treatment technique for coliforms in s. NR 809.313 shall report the violation to the department by no later than the end of the next business day after it learns of the violation, and shall provide public notice of the violation in accordance with s. NR 809.952.
(2) MONITORING VIOLATION REPORTING. A water supplier who has failed to comply with a coliform monitoring requirement shall report the monitoring violation to the department within 10 days after discovering the violation, and shall notify the public as specified in s. NR 809.953.
