Wastewater

Wisconsin's Water Quality Trading

Project Maps Find adaptive management and water quality trading projects around the state. Overview Overview USGS Gage Station-->

Wastewater State Statutes and Codes

The following list highlights the Wisconsin state statutes and administrative codes most applicable to the wastewater program. All state statutes and administrative codes can be found online in the Wisconsin State Legislature document registry [exit…

Additional sources of WET program information

EPA WET Test Methods and toxicity information Test methods designed specifically for measuring whole effluent toxicity (WET) have been codified at 40 CFR part 136 [60 FR 53529; Oct. 16, 1995]. Three EPA WET Methods Manuals (two freshwater…

Consultants with TRE experience in Wisconsin

A "toxicity reduction evaluation" (TRE) is a study intended to determine those actions necessary to remove toxicity. A TRE may identify a simple solution such as improved housekeeping procedures or require a more extensive investigation to identify…

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…

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…

Final decisions on variances pending EPA approval

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…

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…

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…