 |
Code of Federal Regulations (Last Updated: November 8, 2024) |
 |
Title 40 - Protection of Environment |
|
|
Chapter I - Environmental Protection Agency |
|
|
SubChapter D - Water Programs |
|
|
Part 131 - Water Quality Standards |
|
|
Subpart B - Establishment of Water Quality Standards |
| § 131.9 - Protection of Tribal reserved rights. |
| § 131.10 - Designation of uses. |
| § 131.11 - Criteria. |
| § 131.12 - Antidegradation policy and implementation methods. |
| § 131.13 - General policies. |
| § 131.14 - Water quality standards variances. |
| § 131.15 - Authorizing the use of schedules of compliance for water quality-based effluent limits in NPDES permits. |