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As sewage exits the house, the septic system treats the waste and disposes it beneath the ground surface where it is filtered by the soil. This filtering action removes harmful bacteria from the wastewater prior to its entering the groundwater. Waukesha County Private Sewage System Ordinance.
- Environmental Health
Water Wells. Questions About Our Programs? Please call our...
- Public Health
The Public Health Immunization Clinic is open by appointment...
- Environmental Health
Water Wells. Questions About Our Programs? Please call our office telephone number (262) 896-8300 or you may also e-mail your question. You will be directed to the person most familiar with the topic or program. More Information:
The Division of Industry Services (DIS) Private Onsite Wastewater Treatment Systems (POWTS) Program protects public health and the waters of the state by regulating onsite wastewater treatment and recycling systems, and by promoting the use of the best available technology to provide onsite sewage treatment system solutions for property owners.
The Public Health Immunization Clinic is open by appointment only. To schedule an appointment, call (262) 896-8430. The Nurse Call Center is available by phone:
Wastewater systems for the underground disposal of domestic wastewater are regulated by the DNR if they have a design flow rate of greater than or equal to 12,000 gallons per day or an actual flow rate of greater than or equal to 8,000 gallons per day.
No portion of a POWTS may be installed by a homeowner. The Plumbing Law Brochure describes these statutes and codes and can be found by clicking on the link. This factsheet, however, will attempt to describe specific POWTS related situations where a license is needed. WHAT ARE THE DSPS LICENSES RELATED TO POWTS IN WISCONSIN
An improperly sited, over-loaded or poorly maintained POWTS (Privately Owned Wastewater Treatment System) can add nutrients, bacteria, viruses and hazardous chemicals to groundwater. Those pollutants can then be drawn into your well and come out the tap in your drinking, cooking and bathing water.
