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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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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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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…