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HORSHAM WATER&SEWER AUTHORITY

Pennsylvania — Community Water System — PWSID: PA1460033

System Information

PWSIDPA1460033
System NameHORSHAM WATER&SEWER AUTHORITY
System TypeCommunity Water System
Water SourceSurface Water Purchased
Activity StatusActive
Owner TypeLocal
EPA Region03
Serves SchoolNo
WholesalerNo
First ReportedFeb 12, 1979
Last ReportedDec 17, 2025

Location & Contact

StatePennsylvania
CityHORSHAM
ZIP Code19044
Address617 HORSHAM RD
OrganizationHORSHAM WATER&SEWER AUTHORITY
Phone215-672-8011

Population & Service

Population Served26,000
Service Connections8,228

Drinking Water Violations (564)

This water system has 564 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, 2024 Sep 30, 2024 Radium-228 MR No Yes — — — Resolved Sep 30, 2024 Radionuclides and Revised Rad Rule
Jul 1, 2024 Sep 30, 2024 Radium-228 MR No Yes — — — Resolved Sep 30, 2024 Radionuclides and Revised Rad Rule
Jan 1, 2024 Mar 31, 2024 BHC-GAMMA MR No Yes — 0.0002 mg/L — Resolved Mar 31, 2024 Synthetic Organic Chemicals
Jan 1, 2024 Mar 31, 2024 Xylenes, Total MR No Yes — 10 mg/L — Resolved Mar 31, 2024 Volatile Organic Chemicals
Jan 1, 2024 Mar 31, 2024 Xylenes, Total MR No Yes — 10 mg/L — Resolved Mar 31, 2024 Volatile Organic Chemicals
Jan 1, 2024 Mar 31, 2024 DICHLOROMETHANE MR No Yes — 0.005 mg/L — Resolved Mar 31, 2024 Volatile Organic Chemicals
Jan 1, 2024 Mar 31, 2024 DICHLOROMETHANE MR No Yes — 0.005 mg/L — Resolved Mar 31, 2024 Volatile Organic Chemicals
Jan 1, 2024 Mar 31, 2024 Tetrachloroethylene MR No Yes — 0.005 mg/L — Resolved Mar 31, 2024 Volatile Organic Chemicals
Jan 1, 2024 Mar 31, 2024 Tetrachloroethylene MR No Yes — 0.005 mg/L — Resolved Mar 31, 2024 Volatile Organic Chemicals
Jan 1, 2024 Mar 31, 2024 CHLOROBENZENE MR No Yes — 0.1 mg/L — Resolved Mar 31, 2024 Volatile Organic Chemicals
Jan 1, 2024 Mar 31, 2024 CHLOROBENZENE MR No Yes — 0.1 mg/L — Resolved Mar 31, 2024 Volatile Organic Chemicals
Jan 1, 2024 Mar 31, 2024 BHC-GAMMA MR No Yes — 0.0002 mg/L — Resolved Mar 31, 2024 Synthetic Organic Chemicals
Jan 1, 2024 Mar 31, 2024 Diquat MR No Yes — 0.02 mg/L — Resolved Mar 31, 2024 Synthetic Organic Chemicals
Jan 1, 2024 Mar 31, 2024 1,2,4-Trichlorobenzene MR No Yes — 0.07 mg/L — Resolved Mar 31, 2024 Volatile Organic Chemicals
Jan 1, 2024 Mar 31, 2024 OXAMYL MR No Yes — 0.2 mg/L — Resolved Mar 31, 2024 Synthetic Organic Chemicals
Jan 1, 2024 Mar 31, 2024 Picloram MR No Yes — 0.5 mg/L — Resolved Mar 31, 2024 Synthetic Organic Chemicals
Jan 1, 2024 Mar 31, 2024 Simazine MR No Yes — 0.004 mg/L — Resolved Mar 31, 2024 Synthetic Organic Chemicals
Jan 1, 2024 Mar 31, 2024 Di(2-ethylhexyl) adipate MR No Yes — 0.4 mg/L — Resolved Mar 31, 2024 Synthetic Organic Chemicals
Jan 1, 2024 Mar 31, 2024 Hexachlorocyclopentadiene MR No Yes — 0.05 mg/L — Resolved Mar 31, 2024 Synthetic Organic Chemicals
Jan 1, 2024 Mar 31, 2024 LASSO MR No Yes — — — Resolved Mar 31, 2024 Synthetic Organic Chemicals
Jan 1, 2024 Mar 31, 2024 Atrazine MR No Yes — 0.003 mg/L — Resolved Mar 31, 2024 Synthetic Organic Chemicals
Jan 1, 2024 Mar 31, 2024 Hexachlorocyclopentadiene MR No Yes — 0.05 mg/L — Resolved Mar 31, 2024 Synthetic Organic Chemicals
Jan 1, 2024 Mar 31, 2024 Heptachlor epoxide MR No Yes — 0.0002 mg/L — Resolved Mar 31, 2024 Synthetic Organic Chemicals
Jan 1, 2024 Mar 31, 2024 1,2-DIBROMO-3-CHLOROPROPANE MR No Yes — 0.0002 mg/L — Resolved Mar 31, 2024 Synthetic Organic Chemicals
Jan 1, 2024 Mar 31, 2024 HEXACHLOROBENZENE MR No Yes — 0.001 mg/L — Resolved Mar 31, 2024 Synthetic Organic Chemicals
Jan 1, 2024 Mar 31, 2024 Heptachlor MR No Yes — 0.0004 mg/L — Resolved Mar 31, 2024 Synthetic Organic Chemicals
Jan 1, 2024 Mar 31, 2024 1,2-Dichloroethane MR No Yes — 0.005 mg/L — Resolved Mar 31, 2024 Volatile Organic Chemicals
Jan 1, 2024 Mar 31, 2024 LASSO MR No Yes — — — Resolved Mar 31, 2024 Synthetic Organic Chemicals
Jan 1, 2024 Mar 31, 2024 Heptachlor MR No Yes — 0.0004 mg/L — Resolved Mar 31, 2024 Synthetic Organic Chemicals
Jan 1, 2024 Mar 31, 2024 1,2,4-Trichlorobenzene MR No Yes — 0.07 mg/L — Resolved Mar 31, 2024 Volatile Organic Chemicals
Jan 1, 2024 Mar 31, 2024 1,1,2-Trichloroethane MR No Yes — 0.005 mg/L — Resolved Mar 31, 2024 Volatile Organic Chemicals
Jan 1, 2024 Mar 31, 2024 1,1,2-Trichloroethane MR No Yes — 0.005 mg/L — Resolved Mar 31, 2024 Volatile Organic Chemicals
Jan 1, 2024 Mar 31, 2024 Carbon tetrachloride MR No Yes — 0.005 mg/L — Resolved Mar 31, 2024 Volatile Organic Chemicals
Jan 1, 2024 Mar 31, 2024 Carbon tetrachloride MR No Yes — 0.005 mg/L — Resolved Mar 31, 2024 Volatile Organic Chemicals
Jan 1, 2024 Mar 31, 2024 OXAMYL MR No Yes — 0.2 mg/L — Resolved Mar 31, 2024 Synthetic Organic Chemicals
Jan 1, 2024 Mar 31, 2024 Carbofuran MR No Yes — 0.04 mg/L — Resolved Mar 31, 2024 Synthetic Organic Chemicals
Jan 1, 2024 Mar 31, 2024 Heptachlor epoxide MR No Yes — 0.0002 mg/L — Resolved Mar 31, 2024 Synthetic Organic Chemicals
Jan 1, 2024 Mar 31, 2024 ETHYLENE DIBROMIDE MR No Yes — 0.00005 mg/L — Resolved Mar 31, 2024 Synthetic Organic Chemicals
Jan 1, 2024 Mar 31, 2024 ETHYLENE DIBROMIDE MR No Yes — 0.00005 mg/L — Resolved Mar 31, 2024 Synthetic Organic Chemicals
Jan 1, 2024 Mar 31, 2024 1,2-Dichloroethane MR No Yes — 0.005 mg/L — Resolved Mar 31, 2024 Volatile Organic Chemicals
Jan 1, 2024 Mar 31, 2024 o-Dichlorobenzene MR No Yes — 0.6 mg/L — Resolved Mar 31, 2024 Volatile Organic Chemicals
Jan 1, 2024 Mar 31, 2024 o-Dichlorobenzene MR No Yes — 0.6 mg/L — Resolved Mar 31, 2024 Volatile Organic Chemicals
Jan 1, 2024 Mar 31, 2024 Diquat MR No Yes — 0.02 mg/L — Resolved Mar 31, 2024 Synthetic Organic Chemicals
Jan 1, 2024 Mar 31, 2024 Picloram MR No Yes — 0.5 mg/L — Resolved Mar 31, 2024 Synthetic Organic Chemicals
Jan 1, 2024 Mar 31, 2024 Simazine MR No Yes — 0.004 mg/L — Resolved Mar 31, 2024 Synthetic Organic Chemicals
Jan 1, 2024 Mar 31, 2024 Atrazine MR No Yes — 0.003 mg/L — Resolved Mar 31, 2024 Synthetic Organic Chemicals
Jan 1, 2024 Mar 31, 2024 Carbofuran MR No Yes — 0.04 mg/L — Resolved Mar 31, 2024 Synthetic Organic Chemicals
Jan 1, 2024 Mar 31, 2024 1,2-DIBROMO-3-CHLOROPROPANE MR No Yes — 0.0002 mg/L — Resolved Mar 31, 2024 Synthetic Organic Chemicals
Jan 1, 2024 Mar 31, 2024 HEXACHLOROBENZENE MR No Yes — 0.001 mg/L — Resolved Mar 31, 2024 Synthetic Organic Chemicals
Jan 1, 2024 Mar 31, 2024 Di(2-ethylhexyl) adipate MR No Yes — 0.4 mg/L — Resolved Mar 31, 2024 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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