South Carolina Code of Regulations
Chapter 61 - DEPARTMENT OF HEALTH AND ENVIRONMENTAL CONTROL
Subchapter 61-9 - Water Pollution Control Permits
Subchapter 61-9.122 - THE NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM
Part A - DEFINITIONS AND GENERAL PROGRAM REQUIREMENTS
Section 61-9.122.A.5 - Effect of a permit

(1) Except for any toxic effluent standards and prohibitions imposed under section307 of the CWA and "standards for sewage sludge use or disposal" under 405(d) of the CWA, compliance with a permit during its term constitutes compliance, for purposes of enforcement, with the Pollution Control Act and with sections301, 302, 306, 307, 318, 403, and 405(a)-(b) of CWA. However, a permit may be modified, revoked and reissued, or terminated during its term for cause as set forth in section122.62 and section122.64.

(2) Compliance with a permit condition which implements a particular "standard for sewage sludge use or disposal" shall be an affirmative defense in any enforcement action brought for a violation of that "standard for sewage sludge use or disposal" pursuant to sections405(e)(e) and 309 of the CWA.