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AQUA PA WEST CHESTER

Pennsylvania — Community Water System — PWSID: PA1150098

System Information

PWSIDPA1150098
System NameAQUA PA WEST CHESTER
System TypeCommunity Water System
Water SourceSurface Water
Activity StatusActive
Owner TypePrivate
EPA Region03
Serves SchoolNo
WholesalerNo
First ReportedFeb 12, 1979
Last ReportedDec 17, 2025

Location & Contact

StatePennsylvania
CityBRYN MAWR
ZIP Code19010
Address762 W LANCASTER AVE
OrganizationAQUA PA WEST CHESTER
Phone610-645-1122

Population & Service

Population Served48,600
Service Connections13,412

Drinking Water Violations (187)

This water system has 187 violations recorded in the EPA SDWIS database.

Begin Date End Date Contaminant Category Health-Based Major Measured Federal MCL State MCL Status Return to Compliance Rule
Oct 1, 2023 Dec 31, 2023 Carbofuran MR No Yes — 0.04 mg/L — Resolved Dec 31, 2023 Synthetic Organic Chemicals
Oct 1, 2023 Dec 31, 2023 Toxaphene MR No Yes — 0.003 mg/L — Resolved Dec 31, 2023 Synthetic Organic Chemicals
Oct 1, 2023 Dec 31, 2023 Dalapon MR No Yes — 0.2 mg/L — Resolved Dec 31, 2023 Synthetic Organic Chemicals
Oct 1, 2023 Dec 31, 2023 Dalapon MR No Yes — 0.2 mg/L — Resolved Dec 31, 2023 Synthetic Organic Chemicals
Oct 1, 2023 Dec 31, 2023 Simazine MR No Yes — 0.004 mg/L — Resolved Dec 31, 2023 Synthetic Organic Chemicals
Oct 1, 2023 Dec 31, 2023 Simazine MR No Yes — 0.004 mg/L — Resolved Dec 31, 2023 Synthetic Organic Chemicals
Oct 1, 2023 Dec 31, 2023 Di(2-ethylhexyl) phthalate MR No Yes — 0.006 mg/L — Resolved Dec 31, 2023 Synthetic Organic Chemicals
Oct 1, 2023 Dec 31, 2023 Di(2-ethylhexyl) phthalate MR No Yes — 0.006 mg/L — Resolved Dec 31, 2023 Synthetic Organic Chemicals
Oct 1, 2023 Dec 31, 2023 Picloram MR No Yes — 0.5 mg/L — Resolved Dec 31, 2023 Synthetic Organic Chemicals
Oct 1, 2023 Dec 31, 2023 Picloram MR No Yes — 0.5 mg/L — Resolved Dec 31, 2023 Synthetic Organic Chemicals
Oct 1, 2023 Dec 31, 2023 Dinoseb MR No Yes — 0.007 mg/L — Resolved Dec 31, 2023 Synthetic Organic Chemicals
Oct 1, 2023 Dec 31, 2023 Dinoseb MR No Yes — 0.007 mg/L — Resolved Dec 31, 2023 Synthetic Organic Chemicals
Oct 1, 2023 Dec 31, 2023 Carbofuran MR No Yes — 0.04 mg/L — Resolved Dec 31, 2023 Synthetic Organic Chemicals
Oct 1, 2023 Dec 31, 2023 Toxaphene MR No Yes — 0.003 mg/L — Resolved Dec 31, 2023 Synthetic Organic Chemicals
Oct 1, 2023 Dec 31, 2023 Atrazine MR No Yes — 0.003 mg/L — Resolved Dec 31, 2023 Synthetic Organic Chemicals
Oct 1, 2023 Dec 31, 2023 Atrazine MR No Yes — 0.003 mg/L — Resolved Dec 31, 2023 Synthetic Organic Chemicals
Oct 1, 2023 Dec 31, 2023 2,3,7,8-TCDD MR No Yes — 0.00000003 mg/L — Resolved Dec 31, 2023 Synthetic Organic Chemicals
Oct 1, 2023 Dec 31, 2023 2,3,7,8-TCDD MR No Yes — 0.00000003 mg/L — Resolved Dec 31, 2023 Synthetic Organic Chemicals
Oct 1, 2023 Dec 31, 2023 HEXACHLOROBENZENE MR No Yes — 0.001 mg/L — Resolved Dec 31, 2023 Synthetic Organic Chemicals
Oct 1, 2023 Dec 31, 2023 HEXACHLOROBENZENE MR No Yes — 0.001 mg/L — Resolved Dec 31, 2023 Synthetic Organic Chemicals
Oct 1, 2023 Dec 31, 2023 Benzo(a)pyrene MR No Yes — 0.0002 mg/L — Resolved Dec 31, 2023 Synthetic Organic Chemicals
Oct 1, 2023 Dec 31, 2023 Benzo(a)pyrene MR No Yes — 0.0002 mg/L — Resolved Dec 31, 2023 Synthetic Organic Chemicals
Oct 1, 2023 Dec 31, 2023 Pentachlorophenol MR No Yes — 0.001 mg/L — Resolved Dec 31, 2023 Synthetic Organic Chemicals
Oct 1, 2023 Dec 31, 2023 Pentachlorophenol MR No Yes — 0.001 mg/L — Resolved Dec 31, 2023 Synthetic Organic Chemicals
Oct 1, 2023 Dec 31, 2023 ETHYLENE DIBROMIDE MR No Yes — 0.00005 mg/L — Resolved Dec 31, 2023 Synthetic Organic Chemicals
Oct 1, 2023 Dec 31, 2023 ETHYLENE DIBROMIDE MR No Yes — 0.00005 mg/L — Resolved Dec 31, 2023 Synthetic Organic Chemicals
Oct 1, 2023 Dec 31, 2023 Di(2-ethylhexyl) adipate MR No Yes — 0.4 mg/L — Resolved Dec 31, 2023 Synthetic Organic Chemicals
Oct 1, 2023 Dec 31, 2023 Chlordane MR No Yes — 0.002 mg/L — Resolved Dec 31, 2023 Synthetic Organic Chemicals
Oct 1, 2023 Dec 31, 2023 LASSO MR No Yes — — — Resolved Dec 31, 2023 Synthetic Organic Chemicals
Oct 1, 2023 Dec 31, 2023 Diquat MR No Yes — 0.02 mg/L — Resolved Dec 31, 2023 Synthetic Organic Chemicals
Oct 1, 2023 Dec 31, 2023 Methoxychlor MR No Yes — 0.04 mg/L — Resolved Dec 31, 2023 Synthetic Organic Chemicals
Oct 1, 2023 Dec 31, 2023 Hexachlorocyclopentadiene MR No Yes — 0.05 mg/L — Resolved Dec 31, 2023 Synthetic Organic Chemicals
Oct 1, 2023 Dec 31, 2023 LASSO MR No Yes — — — Resolved Dec 31, 2023 Synthetic Organic Chemicals
Oct 1, 2023 Dec 31, 2023 Total Polychlorinated Biphenyls (PCB) MR No Yes — 0.0005 mg/L — Resolved Dec 31, 2023 Synthetic Organic Chemicals
Oct 1, 2023 Dec 31, 2023 Diquat MR No Yes — 0.02 mg/L — Resolved Dec 31, 2023 Synthetic Organic Chemicals
Oct 1, 2023 Dec 31, 2023 Methoxychlor MR No Yes — 0.04 mg/L — Resolved Dec 31, 2023 Synthetic Organic Chemicals
Oct 1, 2023 Dec 31, 2023 Total Polychlorinated Biphenyls (PCB) MR No Yes — 0.0005 mg/L — Resolved Dec 31, 2023 Synthetic Organic Chemicals
Oct 1, 2023 Dec 31, 2023 Endrin MR No Yes — 0.002 mg/L — Resolved Dec 31, 2023 Synthetic Organic Chemicals
Oct 1, 2023 Dec 31, 2023 Di(2-ethylhexyl) adipate MR No Yes — 0.4 mg/L — Resolved Dec 31, 2023 Synthetic Organic Chemicals
Oct 1, 2023 Dec 31, 2023 Chlordane MR No Yes — 0.002 mg/L — Resolved Dec 31, 2023 Synthetic Organic Chemicals
Oct 1, 2023 Dec 31, 2023 Hexachlorocyclopentadiene MR No Yes — 0.05 mg/L — Resolved Dec 31, 2023 Synthetic Organic Chemicals
Oct 1, 2023 Dec 31, 2023 2,4,5-TP MR No Yes — 0.05 mg/L — Resolved Dec 31, 2023 Synthetic Organic Chemicals
Oct 1, 2023 Dec 31, 2023 2,4,5-TP MR No Yes — 0.05 mg/L — Resolved Dec 31, 2023 Synthetic Organic Chemicals
Oct 1, 2023 Dec 31, 2023 1,2-DIBROMO-3-CHLOROPROPANE MR No Yes — 0.0002 mg/L — Resolved Dec 31, 2023 Synthetic Organic Chemicals
Oct 1, 2023 Dec 31, 2023 1,2-DIBROMO-3-CHLOROPROPANE MR No Yes — 0.0002 mg/L — Resolved Dec 31, 2023 Synthetic Organic Chemicals
Oct 1, 2023 Dec 31, 2023 Heptachlor MR No Yes — 0.0004 mg/L — Resolved Dec 31, 2023 Synthetic Organic Chemicals
Oct 1, 2023 Dec 31, 2023 Heptachlor MR No Yes — 0.0004 mg/L — Resolved Dec 31, 2023 Synthetic Organic Chemicals
Oct 1, 2023 Dec 31, 2023 BHC-GAMMA MR No Yes — 0.0002 mg/L — Resolved Dec 31, 2023 Synthetic Organic Chemicals
Oct 1, 2023 Dec 31, 2023 Endrin MR No Yes — 0.002 mg/L — Resolved Dec 31, 2023 Synthetic Organic Chemicals
Oct 1, 2023 Dec 31, 2023 BHC-GAMMA MR No Yes — 0.0002 mg/L — Resolved Dec 31, 2023 Synthetic Organic Chemicals

About This Water System

Public water system data comes from the EPA Safe Drinking Water Information System (SDWIS). Systems with violations must notify customers. Contact your water utility for the latest annual water quality report.

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