Chapter 260. Water Quality StandardsRead Chapter
- Part I.Read allSurface Water Standards with General, Statewide Application
- 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- [Repealed]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- [Repealed]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- [Repealed]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
- Part II.Read allStandards with More Specific Application
- 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- [Repealed]
- Part V.Read allWater Quality Criteria for Groundwater [Repealed]
- Section 230
- [Repealed]
- Part VI.Read allProcedural Requirements
- 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- [Repealed]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
- Part VII.Read allSpecial Standards and Scenic Rivers Listings
- Section 310
- Special standards and requirements
- Section 320
- [Repealed]
- Part VIII.Read allNutrient Enriched Waters
- Section 330
- Purpose
- Section 340
- [Repealed]
- Section 350
- Designation of nutrient enriched waters
- Part IX.Read allRiver Basin Section Tables
- 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
- Part X.Read allDesignations of Authority [Repealed]
- Section 550
- [Repealed]