Wastewater
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Additives
The term "additives" is used to describe products that are either water-applied or land-applied in order to perform some water treatment purpose. Additives can come in a variety of chemical formulations including, but not limited to: chemical salts…
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Wisconsin's Water Quality Trading
Project Maps Find adaptive management and water quality trading projects around the state. Overview Overview USGS Gage Station-->
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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…
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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…
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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…
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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…