Wisconsin Administrative Code
Department of Natural Resources
NR 200-299 - Environmental Protection - Wisconsin Pollutant Discharge Elimination System
Chapter NR 207 - Antidegradation and Antibacksliding
Subchapter II - Antibacksliding
Section NR 207.10 - Purpose and applicability

(1) PURPOSE. The purpose of this subchapter is to establish antibacksliding requirements for the WPDES permit program.

(2) APPLICABILITY. This subchapter applies to any permittee that requests in a WPDES permit modification or reissuance application an increased or less stringent limitation that limits the discharge of a pollutant to a surface water. This subchapter does not apply to a request for an increased limitation that limits the discharge of a pollutant to groundwater. This subchapter is not applicable when the department increases a limitation that has not yet taken effect in a WPDES permit.