Environmental Protection
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WET laboratory certification
All laboratories performing WET testing for WPDES permit compliance are required to be certified or registered under ch. NR 149, Wis. Adm. Code. Because high quality data is important when making sound environmental decisions, the laboratory…
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The Whole Effluent Toxicity (WET) Program
Whole effluent toxicity (WET) tests are used, in addition to chemical-specific testing, to measure, predict and control the discharge of materials that may be harmful to aquatic life. Recognizing that no single test or organism can be expected to…
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Safety and Ebola hemorrhagic fever resources
The DNR has received questions about health risks to wastewater treatment plant/sanitary sewer workers from sewage containing the Ebola virus. There is very little research on the fate and transport of the Ebola virus in wastewater collection…
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Wastewater Systems Security
Anticipating problems can prevent them. In an emergency, first responders will come to help. Eighty percent of Wisconsin's fire departments are staffed with volunteers. Protecting their safety by planning ahead is important. Chain-of-command…
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Vulnerability Assessments
Vulnerability Assessments are a good way to determine what types of security measures meet each wastewater system's needs. Vulnerabilities may consist of flaws in security procedures, software, internal system controls, transmission of data, or the…
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Plan Review Procedures for Large Septage Storage Facilities
In accordance with s. NR 113.12, Wis. Adm. Code, the use of a septage storage facility with a total storage capacity greater than 50,000 gallons requires a DNR plan approval to ensure compliance with ch. NR 110, Wis. Adm. Code. A WPDES (Wisconsin…
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Security training and education
The U.S. EPA sponsors workshops on using the VSAT™ (Vulnerability Self-Assessment Tool) computer software program through the Water Environment Federation [exit DNR]. These workshops are free, and wastewater operators who live more than 100 miles…
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Brochures, technical articles and other resources for wastewater systems security
Brochures Fifteen Ways to Secure Your Municipal Wastewater Treatment Construction Project 10 Steps to Maintain Critical Wastewater Services and Protect Public Health in an Emergency Wastewater Systems Security: Vandalism Prevention Design…
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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: