Wisconsin Administrative Code
Department of Natural Resources
NR 200-299 - Environmental Protection - Wisconsin Pollutant Discharge Elimination System
Chapter NR 205 - General Provisions
Section NR 205.06 - Effluent limitations applicable where pH is monitored continuously

Universal Citation: WI Admin Code ยง NR 205.06

Current through August 26, 2024

When an industrial point source discharger continuously monitors the pH of wastewater in accordance with the requirements of a WPDES permit and the pH limits in the permit are established as part of the effluent limitations applicable to the category of dischargers to which the industrial point source belongs, the permittee shall maintain the pH of such wastewater within the range of the categorical limits, except pH excursions from the range are permitted subject to the following constraints:

(1) The total time during which the pH values are outside the range of categorical pH limits may not exceed 7 hours and 26 minutes in any calendar month.

(2) An individual excursion from the range of categorical pH limits may not exceed 60 minutes.

(3) These provisions do not apply to pH limits required in a WPDES permit which are established under s. NR 102.05(3) (h).

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