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 274.014 - New source performance standards
Universal Citation: WI Admin Code ยง NR 274.014
Current through August 26, 2024
(1) Except as provided in sub. (2), any new source subject to this subchapter may not discharge process wastewater pollutants to waters of the state.
(2) 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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