If a point source meets the eligibility requirements and requests the multi-discharger variance (MDV) for phosphorus, their Wisconsin Pollution Elimination Discharge System (WPDES) permit will, upon approval, be modified or reissued with the…
Not all point sources are eligible for the multi-discharger variance (MDV) for phosphorus. The following questionnaire may help applicants assess their potential eligibility for this program. The questionnaire does not provide final eligibility…
County participation in the multi-discharger variance (MDV) for phosphorus is completely voluntary. If counties participate, they agree to comply with the requirements of the program to the best of their ability. By participating in the MDV,…
Overview Phosphorus has long been recognized as the controlling factor in plant and algae growth in Wisconsin lakes and streams. Small increases in phosphorus can fuel substantial increases in aquatic plant and algae growth, which in turn can…
The following instructions are intended to assist individuals who complete the monitoring forms for facilities regulated under the Wisconsin Pollutant Discharge Elimination System (WPDES) program. Electronic reporting is required for the Discharge…
The DNR requires electronic submittal of WPDES permit applications (eApplication). Permit applicants use the DNR Switchboard to access the eApplication. WAMS ID The DNR Switchboard helps people find DNR electronic forms using the state's Web…
Project Maps Find adaptive management and water quality trading projects around the state. Overview Overview USGS Gage Station-->
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…
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…
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…