Wisconsin Administrative Code
Department of Natural Resources
NR 200-299 - Environmental Protection Wisconsin Pollutant Discharge Elimination System
Chapter NR 270 - Ore mining and dressing
Section NR 270.024 - New source performance standards (NSPS)

Current through August 26, 2024

Except as provided in ss. NR 270.0015, 270.002 and 270.003, any new source subject to this subcategory shall achieve the following NSPS representing the degree of effluent reduction attainable by the application of the best available demonstrated technology (BADT). The concentration of pollutants discharged in mine drainage from mines producing bauxite ores may not exceed:

[NSPS] Effluent limitations

Effluent characteristic

Maximum for any 1 day

Average of daily values for 30 consecutive days

Milligrams per liter

TSS

30.0

20.0

Fe (total)

1.0

0.5

Al

2.0

1.0

pH

(1)

(1)

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