Wisconsin Administrative Code
Department of Natural Resources
NR 200-299 - Environmental Protection Wisconsin Pollutant Discharge Elimination System
Chapter NR 274 - Nonferrous metals manufacturing
Subchapter I - Bauxite Refining
Section NR 274.012 - Effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available
Universal Citation: WI Admin Code ยง NR 274.012
Current through August 26, 2024
(1) Except as provided in 40 CFR 125.30 to 125.32, any existing point source subject to this subchapter shall achieve the following effluent limitations representing the degree of effluent reduction attainable by application of BPT.
(2) Except as provided in sub. (3), process wastewater pollutants may not be discharged to waters of the state.
(3) During any calender month, a process wastewater impoundment may discharge from the overflow a volume equivalent to whatever is the greatest of the following:
(a) The difference between the precipitation
for that month which falls within the impoundment and the evaporation from the
impoundment for that month; or
(b)
The difference between the mean precipitation for that month which falls within
the impoundment and the mean evaporation for that month as established for the
impoundment's location by the national climatic center, national oceanic and
atmospheric administration, or as otherwise established if no monthly
evaporation has been determined by the national climatic center.
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