Federal (United States) · Regulations
Subpart B — Establishment of Water Quality Standards
6 sections
6 sections
- 40 C.F.R. § 131.10Designation of uses.
- 40 C.F.R. § 131.11Criteria.
- 40 C.F.R. § 131.12Antidegradation policy and implementation methods.
- 40 C.F.R. § 131.13General policies.
- 40 C.F.R. § 131.14Water quality standards variances.
- 40 C.F.R. § 131.15Authorizing the use of schedules of compliance for water quality-based effluent limits in NPDES permits.