Section 5. Definitions

Section 10. Designation of uses

Section 20. General criteria

Section 30. Antidegradation policy

Section 40. Stream flow

Section 50. Numerical criteria for dissolved oxygen, pH, and maximum temperature***

Section 55. [Repealed]

Section 60. Rise above natural temperature

Section 70. Maximum hourly temperature change

Section 80. Thermal discharges into lakes and impoundments

Section 90. Thermal variances

Section 100. [Deleted]

Section 110. Halogen ban

Section 120. [Repealed]

Section 140. Criteria for surface water

Section 150. [Repealed]

Section 155. Ammonia surface water quality criteria

Section 160. Fecal coliform bacteria; shellfish waters

Section 170. Bacteria; other recreational waters

Section 180. [Deleted]

Section 185. Criteria to protect designated uses from the impacts of nutrients and suspended sediment in the Chesapeake Bay and its tidal tributaries

Section 186. Virginia Pollutant Discharge Elimination System permits and schedules of compliance

Section 187. Criteria for man-made lakes and reservoirs to protect aquatic life and recreational designated uses from the impacts of nutrients

Section 190. [Repealed]

Section 230. [Repealed]

Section 250. Procedural requirements for variances due to natural conditions, temperature and §316(a) thermal variances

Section 260. Modification, amendment, and cancellation of standards

Section 270. Shellfish buffer zones; public hearing

Section 275. Protection of Eastern Shore tidal waters for clams and oysters

Section 280. Analytical procedures

Section 290. [Repealed]

Section 300. Classification of tributary streams

Section 310. Special standards and requirements

Section 320. [Repealed]

Section 330. Purpose

Section 340. [Repealed]

Section 350. Designation of nutrient enriched waters

Section 360. Section number and description columns

Section 370. Classification column

Section 380. Special standards column

Section 390. Potomac River Basin (Potomac River Subbasin)

Section 400. Potomac River Basin (Shenandoah River Subbasin)

Section 410. James River Basin (Lower)

Section 415. James River Basin (Lower) (Appomattox River Subbasin)

Section 420. James River Basin (Middle)

Section 430. James River Basin (Upper)

Section 440. Rappahannock River Basin

Section 450. Roanoke River Basin

Section 460. Yadkin River Basin

Section 470. Chowan and Dismal Swamp (Chowan River Subbasin)

Section 480. Chowan and Dismal Swamp (Albemarle Sound Subbasin)

Section 490. Tennessee and Big Sandy River Basins (Big Sandy River Subbasin)

Section 500. Tennessee and Big Sandy River Basins (Clinch River Subbasin)

Section 510. Tennessee and Big Sandy River Basins (Holston River Subbasin)

Section 520. Chesapeake Bay, Atlantic Ocean and small coastal basins

Section 530. York River Basin

Section 540. New River Basin

Section 550. Designations of authority

Appendix 9998. FORMS (9VAC25-260)

Appendix 9999. DOCUMENTS INCORPORATED BY REFERENCE (9VAC25-260)