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COATESVILLE AUTHORITY

Pennsylvania — Community Water System — PWSID: PA1150071

System Information

PWSIDPA1150071
System NameCOATESVILLE AUTHORITY
System TypeCommunity Water System
Water SourceSurface Water
Activity StatusInactive
Owner TypeLocal
EPA Region03
Serves SchoolNo
WholesalerNo
First ReportedFeb 12, 1979
Last ReportedDec 17, 2025

Location & Contact

StatePennsylvania
CityCOATESVILLE
ZIP Code193200791
Address100 CHESHIRE COURT, SUITE 104
Organization—
Phone610-384-4405

Population & Service

Population Served15,000
Service Connections3,700

Drinking Water Violations (40)

This water system has 40 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
Jan 1, 1997 Mar 31, 1997 Nitrate MCL Yes No 11 10 mg/L — Resolved Feb 5, 1997 Nitrate Rule
Jan 1, 1997 Mar 31, 1997 Nitrate MCL Yes No 11 10 mg/L — Resolved Feb 5, 1997 Nitrate Rule
Jan 1, 1997 Mar 31, 1997 Nitrate MCL Yes No 11 10 mg/L — Resolved Feb 5, 1997 Nitrate Rule
Jan 1, 1997 Mar 31, 1997 Nitrate MCL Yes No 11 10 mg/L — Resolved Feb 5, 1997 Nitrate Rule
Jan 1, 1995 Feb 6, 1996 Lead and Copper Rule MR No No — TT — Resolved Feb 6, 1996 Lead and Copper Rule
Jul 1, 1992 Sep 30, 1992 1,1-Dichloroethylene MR No Yes — 0.007 mg/L — Archived Sep 30, 1992 Volatile Organic Chemicals
Jul 1, 1992 Sep 30, 1992 Trichloroethylene MR No Yes — 0.005 mg/L — Archived Sep 30, 1992 Volatile Organic Chemicals
Jul 1, 1992 Sep 30, 1992 Benzene MR No Yes — 0.005 mg/L — Archived Sep 30, 1992 Volatile Organic Chemicals
Jul 1, 1992 Sep 30, 1992 1,1-Dichloroethylene MR No Yes — 0.007 mg/L — Archived Sep 30, 1992 Volatile Organic Chemicals
Jul 1, 1992 Sep 30, 1992 Benzene MR No Yes — 0.005 mg/L — Archived Sep 30, 1992 Volatile Organic Chemicals
Jul 1, 1992 Sep 30, 1992 1,1-Dichloroethylene MR No Yes — 0.007 mg/L — Archived Sep 30, 1992 Volatile Organic Chemicals
Jul 1, 1992 Jul 31, 1992 Coliform (TCR) MR No No — 5% of samples — Archived Jul 31, 1992 Total Coliform Rule
Jul 1, 1992 Sep 30, 1992 Trichloroethylene MR No Yes — 0.005 mg/L — Archived Sep 30, 1992 Volatile Organic Chemicals
Jul 1, 1992 Sep 30, 1992 Carbon tetrachloride MR No Yes — 0.005 mg/L — Archived Sep 30, 1992 Volatile Organic Chemicals
Jul 1, 1992 Sep 30, 1992 1,2-Dichloroethane MR No Yes — 0.005 mg/L — Archived Sep 30, 1992 Volatile Organic Chemicals
Jul 1, 1992 Sep 30, 1992 1,2-Dichloroethane MR No Yes — 0.005 mg/L — Archived Sep 30, 1992 Volatile Organic Chemicals
Jul 1, 1992 Sep 30, 1992 1,1,1-Trichloroethane MR No Yes — 0.2 mg/L — Archived Sep 30, 1992 Volatile Organic Chemicals
Jul 1, 1992 Sep 30, 1992 Trichloroethylene MR No Yes — 0.005 mg/L — Archived Sep 30, 1992 Volatile Organic Chemicals
Jul 1, 1992 Sep 30, 1992 1,2-Dichloroethane MR No Yes — 0.005 mg/L — Archived Sep 30, 1992 Volatile Organic Chemicals
Jul 1, 1992 Sep 30, 1992 p-Dichlorobenzene MR No Yes — 0.075 mg/L — Archived Sep 30, 1992 Volatile Organic Chemicals
Jul 1, 1992 Sep 30, 1992 p-Dichlorobenzene MR No Yes — 0.075 mg/L — Archived Sep 30, 1992 Volatile Organic Chemicals
Jul 1, 1992 Sep 30, 1992 Benzene MR No Yes — 0.005 mg/L — Archived Sep 30, 1992 Volatile Organic Chemicals
Jul 1, 1992 Sep 30, 1992 1,1,1-Trichloroethane MR No Yes — 0.2 mg/L — Archived Sep 30, 1992 Volatile Organic Chemicals
Jul 1, 1992 Sep 30, 1992 Carbon tetrachloride MR No Yes — 0.005 mg/L — Archived Sep 30, 1992 Volatile Organic Chemicals
Jul 1, 1992 Sep 30, 1992 p-Dichlorobenzene MR No Yes — 0.075 mg/L — Archived Sep 30, 1992 Volatile Organic Chemicals
Jul 1, 1992 Sep 30, 1992 1,1,1-Trichloroethane MR No Yes — 0.2 mg/L — Archived Sep 30, 1992 Volatile Organic Chemicals
Jul 1, 1992 Sep 30, 1992 Carbon tetrachloride MR No Yes — 0.005 mg/L — Archived Sep 30, 1992 Volatile Organic Chemicals
Dec 1, 1991 Dec 31, 1991 Surface Water Treatment Rule MR No No — — — Archived Dec 31, 1991 Surface Water Treatment Rule
Feb 1, 1991 Feb 28, 1991 Surface Water Treatment Rule MR No Yes — — — Archived Feb 28, 1991 Surface Water Treatment Rule
Jan 1, 1991 Jan 31, 1991 Surface Water Treatment Rule MR No No — — — Archived Jan 31, 1991 Surface Water Treatment Rule
Dec 1, 1990 Dec 31, 1990 Surface Water Treatment Rule MR No No — — — Archived Dec 31, 1990 Surface Water Treatment Rule
Jun 24, 1985 Jun 23, 1988 BHC-GAMMA MR No Yes — 0.0002 mg/L — Archived Jun 23, 1988 Synthetic Organic Chemicals
Jun 24, 1985 Jun 23, 1988 2,4,5-TP MR No Yes — 0.05 mg/L — Archived Jun 23, 1988 Synthetic Organic Chemicals
Jun 24, 1985 Jun 23, 1988 2,4-D MR No Yes — 0.07 mg/L — Archived Jun 23, 1988 Synthetic Organic Chemicals
Jun 24, 1985 Jun 23, 1988 Toxaphene MR No Yes — 0.003 mg/L — Archived Jun 23, 1988 Synthetic Organic Chemicals
Jun 24, 1985 Jun 23, 1988 Methoxychlor MR No Yes — 0.04 mg/L — Archived Jun 23, 1988 Synthetic Organic Chemicals
Jun 24, 1985 Jun 23, 1988 Endrin MR No Yes — 0.002 mg/L — Archived Jun 23, 1988 Synthetic Organic Chemicals
— — — No No — — — — — —
— — — No No — — — — — —
— — — No No — — — — — —

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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