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TWIN ROCKS WATER AUTH

Pennsylvania — Community Water System — PWSID: PA4110029

System Information

PWSIDPA4110029
System NameTWIN ROCKS WATER AUTH
System TypeCommunity Water System
Water SourceSurface Water Purchased
Activity StatusInactive
Owner TypeLocal
EPA Region03
Serves SchoolNo
WholesalerNo
First ReportedFeb 12, 1979
Last ReportedDec 17, 2025

Location & Contact

StatePennsylvania
CityTWIN ROCKS
ZIP Code15960
AddressPO BOX 272
Organization—
Phone814-749-8673

Population & Service

Population Served720
Service Connections240

Drinking Water Violations (141)

This water system has 141 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
Jul 1, 1990 Sep 30, 1990 o-Dichlorobenzene MR No Yes — 0.6 mg/L — Resolved Sep 30, 1990 Volatile Organic Chemicals
Jul 1, 1990 Sep 30, 1990 1,1-Dichloroethylene MR No Yes — 0.007 mg/L — Resolved Sep 30, 1990 Volatile Organic Chemicals
Jul 1, 1990 Sep 30, 1990 1,1-Dichloroethylene MR No Yes — 0.007 mg/L — Resolved Sep 30, 1990 Volatile Organic Chemicals
Jul 1, 1990 Sep 30, 1990 Carbon tetrachloride MR No Yes — 0.005 mg/L — Resolved Sep 30, 1990 Volatile Organic Chemicals
Jul 1, 1990 Sep 30, 1990 Carbon tetrachloride MR No Yes — 0.005 mg/L — Resolved Sep 30, 1990 Volatile Organic Chemicals
Jul 1, 1990 Sep 30, 1990 Carbon tetrachloride MR No Yes — 0.005 mg/L — Resolved Sep 30, 1990 Volatile Organic Chemicals
Jul 1, 1990 Sep 30, 1990 Styrene MR No Yes — 0.1 mg/L — Resolved Sep 30, 1990 Volatile Organic Chemicals
Jul 1, 1990 Sep 30, 1990 Styrene MR No Yes — 0.1 mg/L — Resolved Sep 30, 1990 Volatile Organic Chemicals
Jul 1, 1990 Sep 30, 1990 Styrene MR No Yes — 0.1 mg/L — Resolved Sep 30, 1990 Volatile Organic Chemicals
Jul 1, 1990 Sep 30, 1990 Toluene MR No Yes — 1 mg/L — Resolved Sep 30, 1990 Volatile Organic Chemicals
Jul 1, 1990 Sep 30, 1990 Toluene MR No Yes — 1 mg/L — Resolved Sep 30, 1990 Volatile Organic Chemicals
Jul 1, 1990 Sep 30, 1990 Toluene MR No Yes — 1 mg/L — Resolved Sep 30, 1990 Volatile Organic Chemicals
Jul 1, 1990 Sep 30, 1990 trans-1,2-Dichloroethylene MR No Yes — 0.1 mg/L — Resolved Sep 30, 1990 Volatile Organic Chemicals
Jul 1, 1990 Sep 30, 1990 trans-1,2-Dichloroethylene MR No Yes — 0.1 mg/L — Resolved Sep 30, 1990 Volatile Organic Chemicals
Jul 1, 1990 Sep 30, 1990 trans-1,2-Dichloroethylene MR No Yes — 0.1 mg/L — Resolved Sep 30, 1990 Volatile Organic Chemicals
Jul 1, 1990 Sep 30, 1990 1,1-Dichloroethylene MR No Yes — 0.007 mg/L — Resolved Sep 30, 1990 Volatile Organic Chemicals
Jul 1, 1990 Sep 30, 1990 Tetrachloroethylene MR No Yes — 0.005 mg/L — Resolved Sep 30, 1990 Volatile Organic Chemicals
Jul 1, 1990 Sep 30, 1990 cis-1,2-Dichloroethylene MR No Yes — 0.07 mg/L — Resolved Sep 30, 1990 Volatile Organic Chemicals
Jul 1, 1990 Sep 30, 1990 cis-1,2-Dichloroethylene MR No Yes — 0.07 mg/L — Resolved Sep 30, 1990 Volatile Organic Chemicals
Jul 1, 1990 Sep 30, 1990 cis-1,2-Dichloroethylene MR No Yes — 0.07 mg/L — Resolved Sep 30, 1990 Volatile Organic Chemicals
Jul 1, 1990 Sep 30, 1990 CHLOROBENZENE MR No Yes — 0.1 mg/L — Resolved Sep 30, 1990 Volatile Organic Chemicals
Jul 1, 1990 Sep 30, 1990 CHLOROBENZENE MR No Yes — 0.1 mg/L — Resolved Sep 30, 1990 Volatile Organic Chemicals
Jul 1, 1990 Sep 30, 1990 CHLOROBENZENE MR No Yes — 0.1 mg/L — Resolved Sep 30, 1990 Volatile Organic Chemicals
Jul 1, 1990 Sep 30, 1990 Tetrachloroethylene MR No Yes — 0.005 mg/L — Resolved Sep 30, 1990 Volatile Organic Chemicals
Jul 1, 1990 Sep 30, 1990 Tetrachloroethylene MR No Yes — 0.005 mg/L — Resolved Sep 30, 1990 Volatile Organic Chemicals
Jul 1, 1990 Sep 30, 1990 Ethylbenzene MR No Yes — 0.7 mg/L — Resolved Sep 30, 1990 Volatile Organic Chemicals
Jul 1, 1990 Sep 30, 1990 Ethylbenzene MR No Yes — 0.7 mg/L — Resolved Sep 30, 1990 Volatile Organic Chemicals
Jul 1, 1990 Sep 30, 1990 Ethylbenzene MR No Yes — 0.7 mg/L — Resolved Sep 30, 1990 Volatile Organic Chemicals
Jul 1, 1990 Sep 30, 1990 1,1,2-Trichloroethane MR No Yes — 0.005 mg/L — Resolved Sep 30, 1990 Volatile Organic Chemicals
Jul 1, 1990 Sep 30, 1990 1,1,2-Trichloroethane MR No Yes — 0.005 mg/L — Resolved Sep 30, 1990 Volatile Organic Chemicals
Jul 1, 1990 Sep 30, 1990 1,1,2-Trichloroethane MR No Yes — 0.005 mg/L — Resolved Sep 30, 1990 Volatile Organic Chemicals
Jul 1, 1990 Sep 30, 1990 1,2-Dichloropropane MR No Yes — 0.005 mg/L — Resolved Sep 30, 1990 Volatile Organic Chemicals
Jul 1, 1990 Sep 30, 1990 1,2-Dichloropropane MR No Yes — 0.005 mg/L — Resolved Sep 30, 1990 Volatile Organic Chemicals
Jul 1, 1990 Sep 30, 1990 1,2-Dichloropropane MR No Yes — 0.005 mg/L — Resolved Sep 30, 1990 Volatile Organic Chemicals
Jul 1, 1990 Sep 30, 1990 o-Dichlorobenzene MR No Yes — 0.6 mg/L — Resolved Sep 30, 1990 Volatile Organic Chemicals
Jul 1, 1990 Sep 30, 1990 o-Dichlorobenzene MR No Yes — 0.6 mg/L — Resolved Sep 30, 1990 Volatile Organic Chemicals
Jul 1, 1990 Sep 30, 1990 DICHLOROMETHANE MR No Yes — 0.005 mg/L — Resolved Sep 30, 1990 Volatile Organic Chemicals
Jul 1, 1990 Sep 30, 1990 DICHLOROMETHANE MR No Yes — 0.005 mg/L — Resolved Sep 30, 1990 Volatile Organic Chemicals
Jul 1, 1990 Sep 30, 1990 DICHLOROMETHANE MR No Yes — 0.005 mg/L — Resolved Sep 30, 1990 Volatile Organic Chemicals
Jul 1, 1990 Sep 30, 1990 ETHYLENE DIBROMIDE MR No Yes — 0.00005 mg/L — Resolved Sep 30, 1990 Synthetic Organic Chemicals
Jul 1, 1990 Sep 30, 1990 p-Dichlorobenzene MR No Yes — 0.075 mg/L — Resolved Sep 30, 1990 Volatile Organic Chemicals
Jul 1, 1990 Sep 30, 1990 1,2-Dichloroethane MR No Yes — 0.005 mg/L — Resolved Sep 30, 1990 Volatile Organic Chemicals
Jul 1, 1990 Sep 30, 1990 1,2-Dichloroethane MR No Yes — 0.005 mg/L — Resolved Sep 30, 1990 Volatile Organic Chemicals
Jul 1, 1990 Sep 30, 1990 Vinyl chloride MR No Yes — 0.002 mg/L — Resolved Sep 30, 1990 Volatile Organic Chemicals
Jul 1, 1990 Sep 30, 1990 Vinyl chloride MR No Yes — 0.002 mg/L — Resolved Sep 30, 1990 Volatile Organic Chemicals
Jul 1, 1990 Sep 30, 1990 Vinyl chloride MR No Yes — 0.002 mg/L — Resolved Sep 30, 1990 Volatile Organic Chemicals
Jul 1, 1990 Sep 30, 1990 1,2-DIBROMO-3-CHLOROPROPANE MR No Yes — 0.0002 mg/L — Resolved Sep 30, 1990 Synthetic Organic Chemicals
Jul 1, 1990 Sep 30, 1990 1,2-DIBROMO-3-CHLOROPROPANE MR No Yes — 0.0002 mg/L — Resolved Sep 30, 1990 Synthetic Organic Chemicals
Jul 1, 1990 Sep 30, 1990 1,2-DIBROMO-3-CHLOROPROPANE MR No Yes — 0.0002 mg/L — Resolved Sep 30, 1990 Synthetic Organic Chemicals
Jul 1, 1990 Sep 30, 1990 ETHYLENE DIBROMIDE MR No Yes — 0.00005 mg/L — Resolved Sep 30, 1990 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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