Virginia Administrative Code › Title 9 - ENVIRONMENT › Agency 25 - STATE WATER CONTROL BOARD › Chapter 260 - WATER QUALITY STANDARDS › Part IX - River Basin Section Tables › Section 9VAC25-260-390 - Potomac River Basin (Potomac River Subbasin)

Current through Register Vol. 40, No. 24, July 15, 2024
Potomac River Subbasin
SEC.
CLASS
SP. STDS.
SECTION DESCRIPTION
1
II
a
Tidal tributaries of the Potomac River from Smith
							 Point to Upper Machodoc Creek (Baber Point).
1a
III
All free flowing portions of tributaries to the
							 Potomac River from Smith Point to the Route 301 Bridge in King George County
							 unless otherwise designated in this chapter.
VII
Swamp waters in Section 1a
Pine Hill Creek and its tributaries from the
							 confluence with Rosier Creek to their headwaters.
1b
III
b
All free flowing portions of tributaries to the
							 Potomac River from the Route 301 Bridge in King George County to, and
							 including, Potomac Creek, unless otherwise designated in this chapter.
1c
III
PWS,b
Potomac Creek and its tributaries from the Stafford
							 County water supply dam (Able Lake Reservoir) to their headwaters.
2
II
a
Tidal Upper Machodoc Creek and the tidal portions of
							 its tributaries.
2a
III
Free flowing portions of Upper Machodoc Creek and its
							 tributaries.
3
II
b
Tidal portions of the tributaries to the Potomac River
							 from the Route 301 Bridge in King George County to Marlboro Point.
4
II
b,d
Tidal portions of the tributaries to the Potomac River
							 from Marlboro Point to Brent Point (to include Aquia Creek and its
							 tributaries).
4a
III
b,d
Free flowing portions of tributaries to the Potomac
							 River in Section 4 up to the Aquia Sanitary District Water Impoundment.
4b
III
PWS,b,d
Aquia Creek from the Aquia Sanitary District Water
							 Impoundment, and other tributaries into the impoundment, including Beaverdam
							 Run and the Lunga Reservoir upstream to their headwaters.
5
II
b
Tidal portions of tributaries to the Potomac River
							 from Brent Point to Shipping Point, including tidal portions of Chopawamsic
							 Creek and its tidal tributaries.
5a
III
b
Free flowing portions of Chopawamsic Creek and its
							 tributaries to Quantico Marine Base water supply dam.
5b
III
PWS,b
Chopawamsic Creek and its tributaries above the
							 Quantico Marine Base water supply intakes at the Gray and Breckenridge
							 Reservoirs to their headwaters.
6
II
b
Tidal portions of tributaries to the Potomac River
							 from Shipping Point to Chain Bridge.
7
III
b
Free flowing portions of tributaries to the Potomac
							 River from Shipping Point to Chain Bridge, unless otherwise designated in this
							 chapter.
7a
III
g
Occoquan River and its tributaries to their headwaters
							 above Fairfax County Water Authority's water supply impoundment, unless
							 otherwise designated in this chapter.
7b
III
PWS,g
The impounded waters of Occoquan River above the water
							 supply dam of the Fairfax County Water Authority to backwater of the
							 impoundment on Bull Run and Occoquan River, and the tributaries of Occoquan
							 above the dam to points 5 miles above the dam.
7c
III
PWS,g
Broad Run and its tributaries above the water supply
							 dam of the City of Manassas upstream to points 5 miles above the dam.
7d
(Deleted)
7e
III
PWS,g
Cedar Run and its tributaries from the Town of
							 Warrenton's raw water intake to points 5 miles upstream (Fauquier County).
7f
III
PWS,g
The Quantico Marine Base Camp Upshur and its
							 tributaries' raw water intake on Cedar Run (located approximately 0.2 mile
							 above its confluence with Lucky Run) to points 5 miles upstream.
7g
III
PWS,g
The proposed impounded waters of Licking Run above the
							 multiple purpose impoundment structure in Licking Run near Midland (Fauquier
							 County) upstream to points 5 miles above the proposed impoundment.
7h
III
PWS,g
The proposed impounded waters of Cedar Run above the
							 proposed multiple purpose impoundment structure on the main stem of Cedar Run
							 near Auburn (Fauquier County), to points 5 miles above the impoundment.
8
III
PWS
Tributaries to the Potomac River in Virginia between
							 Chain Bridge and the Monacacy River from their confluence with the Potomac
							 upstream 5 miles, to include Goose Creek to the City of Fairfax's raw water
							 intake, unless otherwise designated in this chapter.
8a
VI
PWS
Big Spring Creek and its tributaries in Loudoun
							 County, from its confluence with the Potomac River upstream to their
							 headwaters. (The temperature standard for natural trout water may be exceeded
							 in the area above Big Spring and Little Spring at Routes 15 and 740 due to
							 natural conditions). This section was given a PWS designation due to the Town
							 of Leesburg's intake on the Potomac as referenced in Section 8b below.
iii
Big Spring Creek from its confluence with the Potomac
							 River upstream to Big Spring.
8b
III
PWS
Those portions of Virginia tributaries into the
							 Potomac River that are within a 5 mile distance upstream of the Town of
							 Leesburg's intake on the Potomac River, unless otherwise designated in this
							 chapter.*
8c
III
PWS
Those portions of Virginia tributaries into the
							 Potomac River that are within a 5 mile distance upstream of the County of
							 Fairfax's intake on the Potomac River.*
9
III
Broad Run, Sugarland Run, Difficult Run, Tuscarora
							 Creek, Sycoline Creek, and other streams tributary to streams in Section 8 from
							 a point 5 miles above their confluence with the Potomac River to their
							 headwaters, unless otherwise designated in this chapter.
9a
III
PWS
All the impounded water of Goose Creek from the City
							 of Fairfax's water supply dam upstream to backwater, and its tributaries above
							 the dam to points 5 miles above the dam.
9b
III
PWS
The Town of Round Hill's (inactive-early 1980's) raw
							 water intake at the Round Hill Reservoir, and including the two spring
							 impoundments located northwest of the town on the eastern slope of the Blue
							 Ridge Mountains.
9c
III
PWS
Unnamed tributary to Goose Creek, from Camp Highroad's
							 (inactive-late 1980's) raw water intake (Loudoun County) located in an old
							 quarry to its headwaters.
9d
III
PWS
Sleeter Lake (Loudoun County).
10
III
Tributaries of the Potomac River from the Monacacy
							 River to the West Virginia-Virginia state line in Loudoun County, from their
							 confluence with the Potomac River upstream to their headwaters, unless
							 otherwise designated in this chapter.
10a
III
PWS
North Fork Catoctin Creek and its tributaries from
							 Purcellville's raw water intake to their headwaters.
10b
III
South Fork Catoctin Creek and its tributaries from its
							 confluence with the North Fork Catoctin Creek to its headwaters.
11
IV
pH-6.5-9.5
Tributaries of the Potomac River in Frederick and
							 Clarke Counties, Virginia, unless otherwise designated in this chapter.
V
Stockable Trout Waters in Section 11
***
pH-6.5-9.5
Back Creek (upper) from Rock Enon 4 miles upstream.
***
pH-6.5-9.5
Back Creek (lower) from Route 600 to the mouth of
							 Hogue Creek - 2 miles.
***
hh
Hogue Creek from Route 679 upstream 6 miles to the
							 Forks below Route 612.
vi
pH-6.5-9.5
Opequon Creek (in Frederick County) from its
							 confluence with Hoge Run upstream to the point at which Route 620 first crosses
							 the stream.
vi
pH-6.5-9.6
Turkey Run (Frederick County) from its confluence with
							 Opequon Creek 3.6 miles upstream.
VI
Natural Trout Waters in Section 11
ii
pH-6.5-9.5
Bear Garden Run from its confluence with Sleepy Creek
							 3.1 miles upstream.
iii
pH-6.5-9.5
Redbud Run from its confluence with Opequon Creek 4.4
							 miles upstream.
11a
IV
pH-6.5-9.5
Hot Run and its tributaries from its confluence with
							 Opequon Creek to its headwaters.
V
Stockable Trout Waters in Section 11a
vi
pH-6.5-9.5
Clearbrook Run from its confluence with Hot Run 2.1
							 miles upstream.
12
IV
ESW-6
South Branch Potomac River and its tributaries, such
							 as Strait Creek, and the North Fork River and its tributaries from the
							 Virginia-West Virginia state line to their headwaters.
V
Stockable Trout Waters in Section 12
vi
Frank Run from its confluence with the South Branch
							 Potomac River 0.8 mile upstream.
vii
pH-6.5-9.5
South Branch Potomac River (in Highland County) from
							 69.2 miles above its confluence with the Potomac River 4.9 miles upstream.
VI
Natural Trout Waters in Section 12
ii
Blights Run from its confluence with Laurel Fork
							 (Highland County) upstream including all named and unnamed tributaries.
ii
Buck Run (Highland County) from its confluence with
							 Laurel Fork upstream including all named and unnamed tributaries.
ii
Collins Run from its confluence with Laurel Fork
							 upstream including all named and unnamed tributaries.
ii
Laurel Fork (Highland County) from 1.9 miles above its
							 confluence with the North Fork South Branch Potomac River upstream including
							 all named and unnamed tributaries.
iii
pH-6.5-9.5
Laurel Run (Highland County) from its confluence with
							 Strait Creek upstream including all named and unnamed tributaries.
ii
Locust Spring Run from its confluence with Laurel Fork
							 upstream including all named and unnamed tributaries.
ii
Lost Run from its confluence with Laurel Fork upstream
							 including all named and unnamed tributaries.
ii
Mullenax Run from its confluence with Laurel Fork
							 upstream including all named and unnamed tributaries.
ii
Newman Run from its confluence with Laurel Fork
							 upstream including all named and unnamed tributaries.
ii
Slabcamp Run from its confluence with Laurel Fork
							 upstream including all named and unnamed tributaries.
iii
pH-6.5-9.5
Strait Creek (Highland County) from its confluence
							 with the South Branch Potomac River upstream to the confluence of West Strait
							 Creek.
Statutory Authority: § 62.1-44.15 of the Code of
						Virginia; Clean Water Act (33 USC §
													1251 et seq.);
						40 CFR Part
						131.
The amended version of this section by
					 Virginia
					 Register Volume 40, Issue 24, eff.
					 6/26/2024 is not yet
					 available.