Environmental Protection
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Security Measures
Vulnerability Assessments help identify and prioritize the best security measures for each wastewater system. Physical wastewater security measures include:
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Legislative history
No federal or state regulations currently exist that require wastewater treatment plants to conduct a vulnerability assessment. The DNR encourages municipalities to voluntarily complete a vulnerability assessment for the following reasons:
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Clean Water Fund Program eligibility for security equipment
Are you planning a wastewater treatment plant modification or major upgrade? If so, consider planning for the future by including security measures as part of your construction project. The most cost-effective time to install security equipment is…
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Emergency Response Plans
Wastewater utilities are required to develop emergency response protocols for spill reporting under ch. 292, Wis. Stats. An Emergency Response Plan (ERP) is a comprehensive document that accounts for actions that occur before, during and after…
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SCADA systems and security equipment alarms
Supervisory Control and Data Acquisition (SCADA) systems can integrate data from motion sensors, security lights, window/door alarms, surveillance cameras and other security equipment alarms. Should you program your SCADA system to monitor and…
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Sanitary Sewage Overflow Reporting
All publicly owned treatment works and privately owned domestic treatment works that own and operate a sewage collection system, including satellite sewage collection systems, must report to the Department all occurrences of sanitary sewer overflows…
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Regulation of Wastewater Discharges
In 1972, the United States Congress passed the Federal Water Act. The law authorized the U.S. EPA to delegate certain water pollution control responsibilities to any state that could demonstrate the necessary levels of expertise and authority to…
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Sewer Service Area Planning Agencies
The following agencies conduct sewer service area planning for the areas indicated. These agencies also review proposed sewer extensions and provide Sewer Service Area Conformance letters (also known as Water Quality Management letters). Links to…
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WPDES Permits on Public Notice
Public notices are required by law to alert interested members of the public of the DNR's intention to authorize a Wisconsin Pollutant Discharge Elimination System (WPDES) discharge to a water of the state. The notices are posted here on the DNR…
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Guidance for a large Private Onsite Wastewater Treatment System (POWTS) for domestic wastewater Preliminary Design Report
It is recommended that a Preliminary Design Report be prepared and submitted to the DNR and the Department of Safety and Professional Services for a project proposal involving a large Private Onsite Wastewater Treatment System (POWTS) that will…