Title 40

PART 131 SUBPART B

Subpart B - Establishment of Water Quality Standards

• 33 U.S.C. 1251 et seq.
• 48 FR 51405, Nov. 8, 1983, unless otherwise noted.

40:24.0.1.1.20.2.16.1	SECTION 131.10	131.10 Designation of uses.
40:24.0.1.1.20.2.16.2	SECTION 131.11	131.11 Criteria.
40:24.0.1.1.20.2.16.3	SECTION 131.12	131.12 Antidegradation policy and implementation methods.
40:24.0.1.1.20.2.16.4	SECTION 131.13	131.13 General policies.
40:24.0.1.1.20.2.16.5	SECTION 131.14	131.14 Water quality standards variances.
40:24.0.1.1.20.2.16.6	SECTION 131.15	131.15 Authorizing the use of schedules of compliance for water quality-based effluent limits in NPDES permits.

---