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Amend Nutrient Waste Load Allocations in Section 50.C. for the ...
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9VAC25-720-50

9VAC25-720-50. Potomac-Shenandoah River Basin.

A. Total Maximum Daily Load (TMDLs).

TMDL #

Stream Name

TMDL Title

City/County

WBID

Pollutant

WLA

Units

1.

Muddy Creek

Nitrate TMDL Development for Muddy Creek/Dry River, Virginia

Rockingham

B21R

Nitrate

49,389.00

LB/YR

2.

Blacks Run

TMDL Development for Blacks Run and Cooks Creek

Rockingham

B25R

Sediment

32,844.00

LB/YR

3.

Cooks Creek

TMDL Development for Blacks Run and Cooks Creek

Rockingham

B25R

Sediment

69,301.00

LB/YR

4.

Cooks Creek

TMDL Development for Blacks Run and Cooks Creek

Rockingham

B25R

Phosphorus

0

LB/YR

5.

Muddy Creek

TMDL Development for Muddy Creek and Holmans Creek, Virginia

Rockingham

B22R

Sediment

286,939.00

LB/YR

6.

Muddy Creek

TMDL Development for Muddy Creek and Holmans Creek, Virginia

Rockingham

B22R

Phosphorus

38.00

LB/YR

7.

Holmans Creek

TMDL Development for Muddy Creek and Holmans Creek, Virginia

Rockingham/
Shenandoah

B45R

Sediment

78,141.00

LB/YR

8.

Mill Creek

TMDL Development for Mill Creek and Pleasant Run

Rockingham

B29R

Sediment

276.00

LB/YR

9.

Mill Creek

TMDL Development for Mill Creek and Pleasant Run

Rockingham

B29R

Phosphorus

138.00

LB/YR

10.

Pleasant Run

TMDL Development for Mill Creek and Pleasant Run

Rockingham

B27R

Sediment

0.00

LB/YR

11.

Pleasant Run

TMDL Development for Mill Creek and Pleasant Run

Rockingham

B27R

Phosphorus

0.00

LB/YR

12.

Linville Creek

Total Maximum Load Development for Linville Creek: Bacteria and Benthic Impairments

Rockingham

B46R

Sediment

5.50

TONS/YR

13.

Quail Run

Benthic TMDL for Quail Run

Rockingham

B35R

Ammonia

7,185.00

KG/YR

14.

Quail Run

Benthic TMDL for Quail Run

Rockingham

B35R

Chlorine

27.63

KG/YR

15.

Shenandoah River

Development of Shenandoah River PCB TMDL (South Fork and Main Stem)

Warren & Clarke

B41R B55R B57R B58R

PCBs

179.38

G/YR

16.

Shenandoah River

Development of Shenandoah River PCB TMDL (North Fork)

Warren & Clarke

B51R

PCBs

0.00

G/YR

17.

Shenandoah River

Development of Shenandoah River PCB TMDL (Main Stem)

Warren & Clarke

WV

PCBs

179.38

G/YR

18.

Cockran Spring

Benthic TMDL Reports for Six Impaired Stream Segments in the Potomac-Shenandoah and James River Basins

Augusta

B10R

Organic Solids

1,556.00

LB/YR

19.

Lacey Spring

Benthic TMDL Reports for Six Impaired Stream Segments in the Potomac-Shenandoah and James River Basins

Rockingham

B47R

Organic Solids

680.00

LB/YR

20.

Orndorff Spring

Benthic TMDL Reports for Six Impaired Stream Segments in the Potomac-Shenandoah and James River Basins

Shenandoah

B52R

Organic Solids

103.00

LB/YR

21.

Toms Brook

Benthic TMDL for Toms Brook in Shenandoah County, Virginia

Shenandoah

B50R

Sediment

8.1

T/YR

22.

Goose Creek

Benthic TMDLs for the Goose Creek Watershed

Loudoun, Fauquier

A08R

Sediment

1,587

T/YR

23.

Little River

Benthic TMDLs for the Goose Creek Watershed

Loudoun

A08R

Sediment

105

T/YR

24.

Christians Creek

Fecal Bacteria and General Standard Total Maximum Daily Load Development for Impaired Streams in the Middle River and Upper South River Watersheds, Augusta County, VA

Augusta

B14R

Sediment

145

T/YR

25.

Moffett Creek

Fecal Bacteria and General Standard Total Maximum Daily Load Development for Impaired Streams in the Middle River and Upper South River Watersheds, Augusta County, VA

Augusta

B13R

Sediment

0

T/YR

26.

Upper Middle River

Fecal Bacteria and General Standard Total Maximum Daily Load Development for Impaired Streams in the Middle River and Upper South River Watersheds, Augusta County, VA

Augusta

B10R

Sediment

1.355

T/YR

27.

Mossy Creek

Total Maximum Daily Load Development for Mossy Creek and Long Glade Run: Bacteria and General Standard (Benthic) Impairments

Rockingham

B19R

Sediment

0.04

T/YR

28.

Smith Creek

Total Maximum Daily Load (TMDL) Development for Smith Creek

Rockingham, Shenandoah

B47R

Sediment

353,867

LB/YR

29.

Abrams Creek

Opequon Watershed TMDLs for Benthic Impairments: Abrams Creek and Lower Opequon Creek, Frederick and Clarke counties, Virginia

Frederick

B09R

Sediment

478

T/YR

30.

Lower Opequon Creek

Opequon Watershed TMDLs for Benthic Impairments: Abrams Creek and Lower Opequon Creek, Frederick and Clarke counties, Virginia

Frederick, Clarke

B09R

Sediment

1,039

T/YR

31.

Mill Creek

Mill Creek Sediment TMDL for a Benthic Impairment, Shenandoah County, Virginia

Shenandoah

B48R

Sediment

0.9

T/YR

32.

South Run

Benthic TMDL Development for South Run, Virginia

Fauquier

A19R

Phosphorus

0.038

T/YR

33.

Lewis Creek

Total Maximum Daily Load Development for Lewis Creek, General Standard (Benthic)

Augusta

B12R

Sediment

40

T/YR

34.

Lewis Creek

Total Maximum Daily Load Development for Lewis Creek, General Standard (Benthic)

Augusta

B12R

Lead

0

KG/YR

35.

Lewis Creek

Total Maximum Daily Load Development for Lewis Creek, General Standard (Benthic)

Augusta

B12R

PAHs

0

KG/YR

36.

Bull Run

Total Maximum Daily Load Development for Lewis Creek, General Standard (Benthic)

Loudoun, Fairfax, and Prince William counties, and the Cities of Manassas and Manassas Park

A23R-01

Sediment

5,986.8

T/TR

37.

Popes Head Creek

Total Maximum Daily Load Development for Lewis Creek, General Standard (Benthic)

Fairfax County and Fairfax City

A23R-02

Sediment

1,594.2

T/YR

38.

Accotink Bay

PCB Total Maximum Daily Load Development in the tidal Potomac and Anacostia Rivers and their tidal tributaries

Fairfax

A15R

PCBs

0.0992

G/YR

39.

Aquia Creek

PCB Total Maximum Daily Load Development in the tidal Potomac and Anacostia Rivers and their tidal tributaries

Stafford

A28E

PCBs

6.34

G/YR

40.

Belmont Bay/
Occoquan Bay

PCB Total Maximum Daily Load Development in the tidal Potomac and Anacostia Rivers and their tidal tributaries

Prince William

A25E

PCBs

0.409

G/YR

41.

Chopawamsic Creek

PCB Total Maximum Daily Load Development in the tidal Potomac and Anacostia Rivers and their tidal tributaries

Prince William

A26E

PCBs

1.35

G/YR

42.

Coan River

PCB Total Maximum Daily Load Development in the tidal Potomac and Anacostia Rivers and their tidal tributaries

Northumberland

A34E

PCBs

0

G/YR

43.

Dogue Creek

PCB Total Maximum Daily Load Development in the tidal Potomac and Anacostia Rivers and their tidal tributaries

Fairfax

A14E

PCBs

20.2

G/YR

44.

Fourmile Run

PCB Total Maximum Daily Load Development in the tidal Potomac and Anacostia Rivers and their tidal tributaries

Arlington

A12E

PCBs

11

G/YR

45.

Gunston Cove

PCB Total Maximum Daily Load Development in the tidal Potomac and Anacostia Rivers and their tidal tributaries

Fairfax

A15E

PCBs

0.517

G/YR

46.

Hooff Run & Hunting Creek

PCB Total Maximum Daily Load Development in the tidal Potomac and Anacostia Rivers and their tidal tributaries

Fairfax

A13E

PCBs

36.8

G/YR

47.

Little Hunting Creek

PCB Total Maximum Daily Load Development in the tidal Potomac and Anacostia Rivers and their tidal tributaries

Fairfax

A14E

PCBs

10.1

G/YR

48.

Monroe Creek

PCB Total Maximum Daily Load Development in the tidal Potomac and Anacostia Rivers and their tidal tributaries

Fairfax

A31E

PCBs

.0177

G/YR

49.

Neabsco Creek

PCB Total Maximum Daily Load Development in the tidal Potomac and Anacostia Rivers and their tidal tributaries

Prince William

A25E

PCBs

6.63

G/YR

50.

Occoquan River

PCB Total Maximum Daily Load Development in the tidal Potomac and Anacostia Rivers and their tidal tributaries

Prince William

A25E

PCBs

2.86

G/YR

51.

Pohick Creek/Pohick Bay

PCB Total Maximum Daily Load Development in the tidal Potomac and Anacostia Rivers and their tidal tributaries

Fairfax

A16E

PCBs

13.5

G/YR

52.

Potomac Creek

PCB Total Maximum Daily Load Development in the tidal Potomac and Anacostia Rivers and their tidal tributaries

Stafford

A29E

PCBs

0.556

G/YR

53.

Potomac River, Fairview Beach

PCB Total Maximum Daily Load Development in the tidal Potomac and Anacostia Rivers and their tidal tributaries

King George

A29E

PCBs

0.0183

G/YR

54.

Powells Creek

PCB Total Maximum Daily Load Development in the tidal Potomac and Anacostia Rivers and their tidal tributaries

Prince William

A26R

PCBs

0.0675

G/YR

55.

Quantico Creek

PCB Total Maximum Daily Load Development in the tidal Potomac and Anacostia Rivers and their tidal tributaries

Prince William

A26R

PCBs

0.742

G/YR

56.

Upper Machodoc Creek

PCB Total Maximum Daily Load Development in the tidal Potomac and Anacostia Rivers and their tidal tributaries

King George

A30E

PCBs

0.0883

G/YR

57.

Difficult Creek

Benthic TMDL Development for Difficult Run, Virginia

Fairfax

A11R

Sediment

3,663.2

T/YR

58.

Abrams Creek

Opequon Watershed TMDLs for Benthic Impairments

Frederick and Clark

B09R

Sediment

1039

T/YR

59.

Lower Opequon

Opequon Watershed TMDLs for Benthic Impairments

Frederick and Clark

B09R

Sediment

1039

T/YR

B. Non-TMDL waste load allocations.

Water Body

Permit No.

Facility Name

Outfall No.

Receiving Stream

River Mile

Parameter Description

WLA

Units WLA

VAV-B02R

VA0023281

Monterey STP

001

West Strait Creek

3.85

CBOD5

11.4

KG/D

VAV-B08R

VA0065552

Opequon Water Reclamation Facility

001

Opequon Creek

32.66

BOD5, JUN-NOV

207

KG/D

 

 

AKA Winchester - Frederick Regional

 

 

 

CBOD5, DEC-MAY

1514

KG/D

VAV-B14R

VA0025291

Fishersville Regional STP

001

Christians Creek

12.36

BOD5

182

KG/D

VAV-B23R

VA0060640

North River WWTF

001

North River

15.01

CBOD5, JAN-MAY

700

KG/D

 

7.23.04

AKA Harrisonburg - Rockingham Reg. Sewer Auth.

 

 

 

CBOD5, JUN-DEC

800

KG/D

TKN, JUN-DEC

420

KG/D

TKN, JAN-MAY

850

KG/D

VAV-B32R

VA0002160

INVISTA - Waynesboro Formerly Dupont - Waynesboro

001

South River

25.3

BOD5

272

KG/D

VAV-B32R

VA0025151

Waynesboro STP

001

South River

23.54

CBOD5

227

KG/D

CBOD5, JUN-OCT

113.6

KG/D

VAV-B32R

VA0028037

Skyline Swannanoa STP

001

South River UT

2.96

BOD5

8.5

KG/D

VAV-B35R

VA0024732

Massanutten Public Service STP

001

Quail Run

5.07

BOD5

75.7

KG/D

VAV-B37R

VA0002178

Merck & Company

001

S.F. Shenandoah River

88.09

BOD5

1570

KG/D

AMMONIA, AS N

645.9

KG/D

VAV-B49R

VA0028380

Stoney Creek Sanitary District STP

001

Stoney Creek

19.87

BOD5, JUN-NOV

29.5

KG/D

VAV-B53R

VA0020982

Middletown STP

001

Meadow Brook

2.19

CBOD5

24.0

KG/D

VAV-B58R

VA0020532

Berryville STP

001

Shenandoah River

24.23

CBOD5

42.6

KG/D

C. Nitrogen and phosphorus waste load allocations to restore the Chesapeake Bay and its tidal rivers. The following table presents nitrogen and phosphorus waste load allocations for the identified significant dischargers and the total nitrogen and total phosphorus waste load allocations for the listed facilities.

Virginia Waterbody ID

Discharger Name

VPDES Permit No.

Total Nitrogen (TN) Waste Load Allocation (lbs/yr)

Total Phosphorus (TP) Waste Load Allocation (lbs/yr)

B37R

Coors Brewing Company

VA0073245

54,820

4,112

B14R

Fishersville Regional STP

VA0025291

48,729

3,655

B32R

INVISTA - Waynesboro (Outfall 101)

VA0002160

78,941

1,009

B39R

Luray STP

VA0062642

19,492

1,462

B35R

Massanutten PSA STP

VA0024732

18,273

1,371

B37R

Merck - Stonewall WWTP (Outfall 101)  [ (11) (10) ]

VA0002178

[ 14,619 43,835 ]

[ 1,096 4,384 ]

B12R

Middle River Regional STP

VA0064793

82,839

6,213

B23R

North River WWTF (2)

VA0060640

253,391

19,004

B22R

VA Poultry Growers -Hinton

VA0002313

27,410

1,371

B38R

Pilgrims Pride - Alma

VA0001961

18,273

914

B31R

Stuarts Draft WWTP

VA0066877

48,729

3,655

B32R

Waynesboro STP

VA0025151

48,729

3,655

B23R

Weyers Cave STP

VA0022349

6,091

457

B58R

Berryville STP

VA0020532

8,528

640

B55R

Front Royal STP

VA0062812

48,729

3,655

B49R

Georges Chicken LLC

VA0077402

31,065

1,553

B48R

Mt. Jackson STP (3)

VA0026441

8,528

640

B45R

New Market STP

VA0022853

6,091

457

B45R

North Fork (SIL) WWTF

VA0090263

23,390

1,754

B49R

Stoney Creek SD STP

VA0028380

7,309

548

B50R

North Fork Regional WWTP (1)

VA0090328

9,137

685

B51R

Strasburg STP

VA0020311

11,939

895

B50R

Woodstock STP

VA0026468

24,364

1,827

A06R

Basham Simms WWTF (4)

VA0022802

18,273

1,371

A09R

Broad Run WRF (5)

VA0091383

134,005

3,350

A08R

Leesburg WPCF

MD0066184

121,822

9,137

A06R

Round Hill Town WWTF

VA0026212

9,137

685

A25R

DSC - Section 1 WWTF (6)

VA0024724

42,029

2,522

A25R

DSC - Section 8 WWTF (7)

VA0024678

42,029

2,522

A25E

H L Mooney WWTF

VA0025101

219,280

13,157

A22R

UOSA - Centreville

VA0024988

1,315,682

16,446

A19R

Vint Hill WWTF (8)

VA0020460

8,680

868

B08R

Opequon WRF [ (10) ]

VA0065552

[ 102,336 115,122 ]

[ 7,675 11,506 ]

B08R

Parkins Mills STP (9)

VA0075191

60,911

4,568

A13E

Alexandria SA WWTF

VA0025160

493,381

29,603

A12E

Arlington County Water PCF

VA0025143

365,467

21,928

A16R

Noman M Cole Jr PCF

VA0025364

612,158

36,729

A12R

Blue Plains (VA Share)

DC0021199

581,458

26,166

A26R

Quantico WWTF

VA0028363

20,101

1,206

A28R

Aquia WWTF

VA0060968

73,093

4,386

A31E

Colonial Beach STP

VA0026409

18,273

1,827

A30E

Dahlgren WWTF

VA0026514

9,137

914

A29E

Fairview Beach

MD0056464

1,827

183

A30E

US NSWC-Dahlgren WWTF

VA0021067

6,578

658

A31R

Purkins Corner STP

VA0070106

1,096

110

 

TOTALS:

 

[ 5,156,169 5,198,171 ]

[ 246,635 253,753 ]

NOTE: (1) Shenandoah Co. - North Fork Regional WWTP waste load allocations (WLAs) based on a design flow capacity of 0.75 million gallons per day (MGD). If plant is not certified to operate at 0.75 MGD design flow capacity by December 31, 2010, the WLAs will be deleted and facility removed from Significant Discharger List.

(2) Harrisonburg-Rockingham Regional S.A.-North River STP: waste load allocations (WLAs) based on a design flow capacity of 20.8 million gallons per day (MGD). If plant is not certified to operate at 20.8 MGD design flow capacity by December 31, 2011, the WLAs will decrease to TN = 194,916 lbs/yr; TP = 14,619 lbs/yr, based on a design flow capacity of 16.0 MGD.

(3) Mount Jackson STP: waste load allocations (WLAs) based on a design flow capacity of 0.7 million gallons per day (MGD). If plant is not certified to operate at 0.7 MGD design flow capacity by December 31, 2010, the WLAs will decrease to TN = 7,309 lbs/yr; TP = 548 lbs/yr, based on a design flow capacity of 0.6 MGD.

(4) Purcellville-Basham Simms STP: waste load allocations (WLAs) based on a design flow capacity of 1.5 million gallons per day (MGD). If plant is not certified to operate at 1.5 MGD design flow capacity by December 31, 2010, the WLAs will decrease to TN = 12,182 lbs/yr; TP = 914lbs/yr, based on a design flow capacity of 1.0 MGD.

(5) Loudoun Co. S.A.-Broad Run WRF: waste load allocations (WLAs) based on a design flow capacity of 11.0 million gallons per day (MGD). If plant is not certified to operate at 11.0 MGD design flow capacity by December 31, 2010, the WLAs will decrease to TN = 121,822 lbs/yr; TP = 3,046 lbs/yr, based on a design flow capacity of 10.0 MGD.

(6) Dale Service Corp.-Section 1 WWTF: waste load allocations (WLAs) based on a design flow capacity of 4.6 million gallons per day (MGD). If plant is not certified to operate at 4.6 MGD design flow capacity by December 31, 2010, the WLAs will decrease to TN = 36,547 lbs/yr; TP = 2,193 lbs/yr, based on a design flow capacity of 4.0 MGD.

(7) Dale Service Corp.-Section 8 WWTF: waste load allocations (WLAs) based on a design flow capacity of 4.6 million gallons per day (MGD). If plant is not certified to operate at 4.6 MGD design flow capacity by December 31, 2010, the WLAs will decrease to TN = 36,547 lbs/yr; TP = 2,193 lbs/yr, based on a design flow capacity of 4.0 MGD.

(8) Fauquier Co. W&SA-Vint Hill STP: waste load allocations (WLAs) based on a design flow capacity of 0.95 million gallons per day (MGD). If plant is not certified to operate at 0.95 MGD design flow capacity by December 31, 2011, the WLAs will decrease to TN = 5,482 lbs/yr; TP = 548 lbs/yr, based on a design flow capacity of 0.6 MGD.

(9) Parkins Mill STP: waste load allocations (WLAs) based on a design flow capacity of 5.0 million gallons per day (MGD). If plant is not certified to operate at 5.0 MGD design flow capacity by December 31, 2010, the WLAs will decrease to TN = 36,547 lbs/yr; TP = 2,741 lbs/yr, based on a design flow capacity of 3.0 MGD.

(10) Opequon WRF – waste load allocations (WLAs) based on a design flow of 12.6 MGD. If the plant is not certified to operate at 12.6 MDG design flow by December 31, 2010, the WLAs will decrease to TN = 102,331 lbs/yr; TP = 7,675 lbs/yr, based on a design flow of 8.4 MGD.

(11) (10) ] Merck-Stonewall –(a) on January 1, 2011, the following waste load allocations (WLAs) are effective and supersede the existing WLAs: total nitrogen of 43,835 lbs/yr and total phosphorus of 4,384 lbs/yr; (b) ] waste load allocations will be reviewed and possiblymodified reduced ] based on "full-scale" results showing theoptimal ] treatment capability of the 4-stage Bardenpho technology at this facilityconsistent with the level of effort by other dischargers in the region. The "full scale" evaluation will be completed by December 31, 2011, and the results submitted to DEQ for review and subsequent board action; (c) in any year when credits are available after all other exchanges within the Shenandoah-Potomac River Basin are completed in accordance with § 62.1-44.19:18 of the Code of Virginia, Merck shall acquire credits for total nitrogen discharged in excess of 14,619 lbs/yr and total phosphorus discharged in excess of 1,096 lbs/yr; and (d) the allocations are not transferable and compliance credits are only generated if discharged loads are less than the loads identified in paragraph (c) ].