Wisconsin Administrative Code
Department of Natural Resources
NR 800 - Environmental Protection - Water Supply
Chapter NR 810 - Requirements for the operation and maintenance of public water systems
Subchapter I - General Operations
Section NR 810.26 - Other requirements
Current through August 26, 2024
(1) AUTHORIZATION FOR OPERATION OF NEW COMMUNITY WATER SYSTEMS OR IMPROVEMENTS TO EXISTING SYSTEMS. Before a new community water system or improvements to a community water system can be placed into service, written authorization of the department shall be obtained.
(2) MAPS. Each municipal and OTM subdivision water supplier shall supply a current map of the public water system which shows the size and location of all facilities and appurtenances, such as water mains, valves, hydrants, wells or sources, pumping stations, treatment plants, and storage facilities. Overflow elevations of the water system storage units shall be shown. Any pressure zones shall be delineated. Two current copies of this map shall be kept on file with the department at all times. One copy shall be provided to the department's central office and one copy shall be provided to the appropriate department regional office.
(3) METERS. Each municipal water supplier and those water suppliers for other-than-municipal water systems having a source capacity of at least 70 gallons per minute shall provide a water meter at each source to accurately measure the daily quantity of water pumped or delivered. Water metering shall be provided for all community water systems utilizing chemical addition. All source water meters shall be calibrated at least every 2 years as required in s. PSC 185.83(2).
(4) LICENSED PUMP INSTALLER. Any person, firm, corporation or partnership performing well pump installing work as defined in s. 280.01(5), Stats., shall perform the work in accordance with chs. NR 108, 811, and 812 and shall be a licensed pump installer in accordance with the requirements of ch. NR 146. Pump installing work at municipal water systems is not required to be performed by a licensed pump installer when performed by a department certified waterworks operator who is a full-time employee of the municipal water system.
Note: Section 280.01(5), Stats., defines "pump installing" to mean the industry and procedure employed in the placement and preparation for operation of equipment and materials utilized in withdrawing or obtaining water from a well for consumption or use, including all construction involved in making entrance to the well and establishing such seals and safeguards as are necessary to protect such water from contamination.
(5) WELL HEAD PROTECTION PLANS. Water suppliers for community water systems with a department approved well head protection plan and ordinance shall implement it. Amended plans or ordinances shall be approved by the department prior to implementation.
(6) SAMPLING AND MONITORING PLANS. Water suppliers shall develop sampling and monitoring plans as required by ss. NR 809.31(1) (a), 809.325(2) (c), and 809.565(6).
(7) STORAGE TURNOVER. Storage facilities shall be operated to facilitate turnover of water in order to prevent freezing and stagnant water conditions. Consideration shall be given to installing separate inlet and outlet pipes, diffusers and baffle walls.
(8) EMERGENCY CHLORINATION PLANS. An emergency chlorination plan is required for each community water system. Each municipal water system shall have appropriate chlorination infrastructure and chorine available to obtai n 0.5 mg/l free chlorine throughout its distribution system within 4 hours. A working chlorine meter shall also be available to measure chlorine concentrations. To ensure water systems are capable of emergency chlorination, the department may ask that an emergency chlorination test be conducted by the water supplier for a municipal water system. At a minimum, the emergency chlorination plan shall include: