Pollutant Aggregation Suggestions for MS4 Requirements Table (Municipal) Anticipated Obligations for Subsequent NPDES Permit Term MS4 Name Permit HUC 12 Name Impaired Downstream Waters or Applicable TMDL Requirement(s) Number Name Adams County ABBOTTSTOWN BORO Beaver Creek Beaver Creek Appendix E-Siltation Beaver Creek, Davidsburg Run-Conewago Creek Beaver Creek, Chesapeake Bay Nutrients\Sediment Appendix D-Siltation/Nutrients, Appendix E-Siltation Boro of East Berlin-Conewago Creek Chesapeake Bay Nutrients\Sediment Appendix D-Siltation/Nutrients BERWICK TWP Beaver Creek Beaver Creek Appendix E-Siltation Boro of East Berlin-Conewago Creek Chesapeake Bay Nutrients\Sediment Appendix D-Siltation/Nutrients Beaver Creek, Davidsburg Run-Conewago Creek Beaver Creek, Chesapeake Bay Nutrients\Sediment Appendix D-Siltation/Nutrients, Appendix E-Siltation BUTLER TWP Lower Marsh Creek Chesapeake Bay Nutrients\Sediment Appendix D-Siltation/Nutrients CONEWAGO TWP Boro of East Berlin-Conewago Creek Chesapeake Bay Nutrients\Sediment Appendix D-Siltation/Nutrients Headwaters South Branch Conewago Creek, Plum Creek-South Branch Chesapeake Bay Nutrients\Sediment, Plum Creek, South Branch Conewago Appendix D-Siltation/Nutrients, Appendix E-Siltation Conewago Creek Creek CUMBERLAND TWP Lower Marsh Creek Chesapeake Bay Nutrients\Sediment, Willoughby Run Appendix D-Siltation/Nutrients, Appendix E-Nutrients, Organic Enrichment/Low D.O., Siltation Lower Rock Creek, Upper Rock Creek Chesapeake Bay Nutrients\Sediment, Rock Creek, Unnamed Tributaries to Appendix D-Siltation/Nutrients, Appendix E-Nutrients, Organic Rock Creek Enrichment/Low D.O., Siltation GETTYSBURG BORO Lower Rock Creek, Upper Rock Creek Chesapeake Bay Nutrients\Sediment, Rock Creek, Stevens Run, Unnamed Appendix D-Siltation/Nutrients, Appendix E-Nutrients, Siltation Tributaries to Rock Creek HAMILTON TWP Beaver Creek Beaver Creek Appendix E-Siltation Beaver Creek, Davidsburg Run-Conewago Creek Beaver Creek, Chesapeake Bay Nutrients\Sediment Appendix D-Siltation/Nutrients, Appendix E-Siltation Boro of East Berlin-Conewago Creek Chesapeake Bay Nutrients\Sediment Appendix D-Siltation/Nutrients MCSHERRYSTOWN BORO Plum Creek-South Branch Conewago Creek Chesapeake Bay Nutrients\Sediment, Plum Creek, South Branch Conewago Appendix D-Siltation/Nutrients, Appendix E-Siltation Creek MOUNT PLEASANT TWP Plum Creek-South Branch Conewago Creek Chesapeake Bay Nutrients\Sediment Appendix D-Siltation/Nutrients Boro of East Berlin-Conewago Creek, Swift Run-Conewago Creek Chesapeake Bay Nutrients\Sediment Appendix D-Siltation/Nutrients NEW OXFORD BORO Boro of East Berlin-Conewago Creek Chesapeake Bay Nutrients\Sediment Appendix D-Siltation/Nutrients Plum Creek-South Branch Conewago Creek Chesapeake Bay Nutrients\Sediment Appendix D-Siltation/Nutrients OXFORD TWP Plum Creek-South Branch Conewago Creek Chesapeake Bay Nutrients\Sediment, South Branch Conewago Creek Appendix D-Siltation/Nutrients, Appendix E-Siltation Boro of East Berlin-Conewago Creek Chesapeake Bay Nutrients\Sediment Appendix D-Siltation/Nutrients Page 1 of 112 Revised 11/18/2019 MS4 Name Permit HUC 12 Name Impaired Downstream Waters or Applicable TMDL Requirement(s) Number Name Adams County STRABAN TWP Lower Rock Creek, Upper Rock Creek Chesapeake Bay Nutrients\Sediment, Rock Creek, White Run Appendix D-Siltation/Nutrients, Appendix E-Nutrients, Siltation Boro of East Berlin-Conewago Creek, Swift Run-Conewago Creek Chesapeake Bay Nutrients\Sediment Appendix D-Siltation/Nutrients UNION TWP Headwaters South Branch Conewago Creek, Plum Creek-South Branch Chesapeake Bay Nutrients\Sediment, South Branch Conewago Creek Appendix D-Siltation/Nutrients, Appendix E-Siltation Conewago Creek Page 2 of 112 Revised 11/18/2019 MS4 Name Permit HUC 12 Name Impaired Downstream Waters or Applicable TMDL Requirement(s) Number Name Allegheny County ALEPPO TWP PAG136348 Kilbuck Run-Ohio River, McCabe Run-Ohio River Unnamed Tributaries to Ohio River Appendix E-Organic Enrichment/Low D.O., Siltation Crows Run-Ohio River, Kilbuck Run-Ohio River, McCabe Run-Ohio River Ohio River Appendix B-Pathogens, Appendix C-PCB ASPINWALL BORO PAG136259 Allegheny River-Ohio River Allegheny River Appendix B-Pathogens, Appendix C-Chlordane, PCB AVALON BORO PAG136151 Kilbuck Run-Ohio River, McCabe Run-Ohio River Ohio River Appendix B-Pathogens, Appendix C-PCB Kilbuck Run-Ohio River Spruce Run Appendix E-Organic Enrichment/Low D.O., Siltation BALDWIN BORO PAG136128 Kilbuck Run-Ohio River Monongahela River, Ohio River Appendix B-Pathogens, Appendix C-PCB Piney Fork-Peters Creek, Streets Run-Monongahela River Lick Run, Monongahela River, Peters Creek Appendix B-Pathogens Streets Run-Monongahela River Glass Run, Monongahela River, Streets Run, Unnamed Tributaries to Appendix A-Metals, Appendix C-PCB, Appendix E-Siltation Monongahela River BALDWIN TWP PAG136115 Kilbuck Run-Ohio River Ohio River Appendix B-Pathogens, Appendix C-PCB Kilbuck Run-Ohio River, Sawmill Run Sawmill Run AMD and Sediment, Sawmill Run Nutrients Appendix A-Metals, pH, TMDL Plan-DO/BOD, Nutrients, Organic Enrichment/Low D.O., Siltation BELL ACRES BORO PAI136124 Crows Run-Ohio River Ohio River Appendix B-Pathogens, Appendix C-PCB BELLEVUE BORO PAG136216 Kilbuck Run-Ohio River, McCabe Run-Ohio River Ohio River Appendix B-Pathogens, Appendix C-PCB Kilbuck Run-Ohio River Spruce Run, Unnamed Tributaries to Ohio River Appendix E-Organic Enrichment/Low D.O., Siltation BEN AVON BORO PAG136292 Kilbuck Run-Ohio River, McCabe Run-Ohio River Ohio River Appendix B-Pathogens, Appendix C-PCB Kilbuck Run-Ohio River, Lowries Run Lowries Run, Spruce Run, Unnamed Tributaries to Lowries Run Appendix E-Organic Enrichment/Low D.O., Siltation BEN AVON HEIGHTS BORO PAG136237 Kilbuck Run-Ohio River, McCabe Run-Ohio River Ohio River Appendix B-Pathogens, Appendix C-PCB Kilbuck Run-Ohio River, Lowries Run Lowries Run, Spruce Run Appendix E-Organic Enrichment/Low D.O., Siltation BETHEL PARK BORO PAG136147 Sawmill Run Sawmill Run AMD and Sediment, Sawmill Run Nutrients Appendix A-Metals, pH, TMDL Plan-DO/BOD, Nutrients, Organic Enrichment/Low D.O., Siltation, Suspended Solids, Turbidity Lower Chartiers Creek Chartiers Creek, Graesers Run, McLaughlin Run, Painters Run Appendix A-Metals, pH, Appendix C-Chlordane, PCB, Appendix E-Siltation, Suspended Solids Middle Chartiers Creek Brush Run (Washington) TMDL Plan-DO/BOD, Nutrients, Organic Enrichment/Low D.O., Siltation, Suspended Solids, Turbidity Piney Fork-Peters Creek Catfish Run, Lick Run, Peters Creek, Piney Fork, Sleepy Hollow Run Appendix A-Metals, pH, Appendix B-Pathogens BLAWNOX BORO PAG136123 Allegheny River-Ohio River Allegheny River Appendix C-Chlordane, PCB BRADDOCK HILLS BORO PAG136257 Sawmill Run-Turtle Creek Turtle Creek Appendix E-Siltation Streets Run-Monongahela River Monongahela River, Unnamed Tributaries to Monongahela River Appendix B-Pathogens, Appendix C-PCB, Appendix E-Siltation Page 3 of 112 Revised 11/18/2019 MS4 Name Permit HUC 12 Name Impaired Downstream Waters or Applicable TMDL Requirement(s) Number Name Allegheny County BRADFORD WOODS BORO PAG136263 Pine Creek-North Park Lake Pine Creek Appendix B-Pathogens, Appendix E-Nutrients, Siltation Brush Creek Brush Creek Appendix E-Nutrients, Siltation BRENTWOOD BORO PAG136271 Streets Run-Monongahela River Monongahela River, Streets Run Appendix A-Metals, pH, Appendix B-Pathogens, Appendix C- PCB, Appendix E-Siltation Kilbuck Run-Ohio River, Sawmill Run Sawmill Run AMD and Sediment, Sawmill Run Nutrients Appendix A-Metals, pH, TMDL Plan-DO/BOD, Nutrients, Organic Enrichment/Low D.O., Siltation Kilbuck Run-Ohio River Monongahela River, Ohio River Appendix B-Pathogens, Appendix C-PCB BRIDGEVILLE BORO PAG136203 Lower Chartiers Creek, Middle Chartiers Creek Chartiers Creek, Painters Run Appendix A-Metals Lower Chartiers Creek, Middle Chartiers Creek, Millers Run Chartiers Creek, McLaughlin Run, Painters Run Appendix C-Chlordane, PCB, Appendix E-Organic Enrichment/Low D.O., Siltation, Suspended Solids CARNEGIE BORO PAG136188 Kilbuck Run-Ohio River Ohio River Appendix B-Pathogens, Appendix C-PCB Lower Chartiers Creek Chartiers Creek, Unnamed Tributaries to Chartiers Creek Appendix A-Metals, Appendix C-PCB, Appendix E-Siltation, Suspended Solids CASTLE SHANNON BORO PAG136117 Kilbuck Run-Ohio River, Sawmill Run Sawmill Run AMD and Sediment, Sawmill Run Nutrients Appendix A-Metals, pH, TMDL Plan-DO/BOD, Nutrients, Organic Enrichment/Low D.O., Siltation Kilbuck Run-Ohio River Ohio River Appendix B-Pathogens, Appendix C-PCB CHALFANT BORO PAG136190 Sawmill Run-Turtle Creek Turtle Creek Appendix E-Siltation Streets Run-Monongahela River Monongahela River Appendix B-Pathogens, Appendix C-PCB CHESWICK BORO PAG136322 Allegheny River-Ohio River, Chartiers Run-Allegheny River Allegheny River Appendix C-Chlordane, PCB CHURCHILL BORO PAG136225 Streets Run-Monongahela River Monongahela River Appendix B-Pathogens, Appendix C-PCB Sawmill Run-Turtle Creek, Thompson Run Chalfant Run, Sawmill Run, Thompson Run, Turtle Creek Appendix A-Metals, pH, Appendix E-Siltation CLAIRTON CITY PAG136287 Piney Fork-Peters Creek Peters Creek Appendix B-Pathogens Fallen Timber Run-Monongahela River Monongahela River, Unnamed Tributaries to Monongahela River Appendix A-Metals, Appendix C-PCB, Appendix E-Organic Enrichment/Low D.O. COLLIER TWP PAG136204 Lower Chartiers Creek, Millers Run Chartiers Creek, McLaughlin Run, Painters Run Appendix C-Chlordane, PCB Lower Chartiers Creek, Millers Run, Robinson Run Chartiers Creek, McLaughlin Run, Painters Run, Robinson