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WILLIAMSTOWN BORO AUTH

Pennsylvania — Community Water System — PWSID: PA7220037

System Information

PWSIDPA7220037
System NameWILLIAMSTOWN BORO AUTH
System TypeCommunity Water System
Water SourceSurface Water
Activity StatusActive
Owner TypeLocal
EPA Region03
Serves SchoolNo
WholesalerNo
First ReportedFeb 12, 1979
Last ReportedDec 17, 2025

Location & Contact

StatePennsylvania
CityWILLIAMSTOWN
ZIP Code17098
Address200 S. WEST STREET
OrganizationWILLIAMSTOWN BORO AUTH
Phone717-647-4466

Population & Service

Population Served2,390
Service Connections926

Drinking Water Violations (320)

This water system has 320 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, 2025 — Lead and Copper Rule MR No No — TT — Unaddressed — Lead and Copper Rule
Oct 1, 2025 — Lead and Copper Rule MR No No — TT — Unaddressed — Lead and Copper Rule
Jan 1, 2025 Mar 31, 2025 CARBON, TOTAL MR No Yes — TT — Archived Mar 31, 2025 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2025 Mar 31, 2025 CARBON, TOTAL MR No Yes — TT — Archived Mar 31, 2025 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2023 Jul 31, 2023 Revised Total Coliform Rule MON No No — — — Resolved Jul 31, 2023 Revised Total Coliform Rule
Jul 1, 2023 Jul 31, 2023 Revised Total Coliform Rule MON No No — — — Resolved Jul 31, 2023 Revised Total Coliform Rule
Jul 1, 2023 Jul 31, 2023 Revised Total Coliform Rule MON No No — — — Resolved Jul 31, 2023 Revised Total Coliform Rule
Jul 1, 2023 Jul 31, 2023 Revised Total Coliform Rule MON No No — — — Resolved Jul 31, 2023 Revised Total Coliform Rule
Jun 1, 2023 Jun 30, 2023 Revised Total Coliform Rule MON No No — — — Resolved Jun 30, 2023 Revised Total Coliform Rule
Jun 1, 2023 Jun 30, 2023 Revised Total Coliform Rule MON No No — — — Resolved Jun 30, 2023 Revised Total Coliform Rule
Apr 1, 2023 Jun 30, 2023 TTHM MR No Yes — 0.080 mg/L — Resolved Jun 30, 2023 Stage 2 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2023 Jun 30, 2023 TTHM MR No Yes — 0.080 mg/L — Resolved Jun 30, 2023 Stage 2 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2023 Jun 30, 2023 TTHM MR No Yes — 0.080 mg/L — Resolved Jun 30, 2023 Stage 2 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2023 Jun 30, 2023 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Jun 30, 2023 Stage 2 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2023 Jun 30, 2023 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Jun 30, 2023 Stage 2 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2023 Jun 30, 2023 TTHM MR No Yes — 0.080 mg/L — Resolved Jun 30, 2023 Stage 2 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2023 Jun 30, 2023 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Jun 30, 2023 Stage 2 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2023 Jun 30, 2023 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Jun 30, 2023 Stage 2 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2022 Oct 31, 2022 Chlorine MR No Yes — 4.0 mg/L — Resolved Oct 31, 2022 Stage 1 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2022 Oct 31, 2022 Chlorine MR No Yes — 4.0 mg/L — Resolved Oct 31, 2022 Stage 1 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2022 Oct 31, 2022 Surface Water Treatment Rule MR No Yes — — — Resolved Oct 31, 2022 Surface Water Treatment Rule
Oct 1, 2022 Oct 31, 2022 Surface Water Treatment Rule MR No Yes — — — Resolved Oct 31, 2022 Surface Water Treatment Rule
Oct 1, 2021 Dec 31, 2021 TTHM MR No Yes — 0.080 mg/L — Resolved Dec 31, 2021 Stage 2 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2021 Dec 31, 2021 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Dec 31, 2021 Stage 2 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2021 Dec 31, 2021 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Dec 31, 2021 Stage 2 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2021 Dec 31, 2021 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Dec 31, 2021 Stage 2 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2021 Dec 31, 2021 TTHM MR No Yes — 0.080 mg/L — Resolved Dec 31, 2021 Stage 2 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2021 Dec 31, 2021 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Dec 31, 2021 Stage 2 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2021 Dec 31, 2021 TTHM MR No Yes — 0.080 mg/L — Resolved Dec 31, 2021 Stage 2 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2021 Dec 31, 2021 TTHM MR No Yes — 0.080 mg/L — Resolved Dec 31, 2021 Stage 2 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2020 Dec 31, 2020 CARBON, TOTAL MR No Yes — TT — Resolved Dec 31, 2020 Stage 1 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2020 Dec 31, 2020 CARBON, TOTAL MR No Yes — TT — Resolved Dec 31, 2020 Stage 1 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2020 Dec 31, 2020 CARBON, TOTAL MR No Yes — TT — Resolved Dec 31, 2020 Stage 1 Disinfectants and Disinfection Byproducts Rule
Sep 1, 2020 Nov 30, 2020 CARBON, TOTAL MR No Yes — TT — Resolved Nov 30, 2020 Stage 1 Disinfectants and Disinfection Byproducts Rule
Sep 1, 2020 Nov 30, 2020 CARBON, TOTAL MR No Yes — TT — Resolved Nov 30, 2020 Stage 1 Disinfectants and Disinfection Byproducts Rule
Sep 1, 2020 Nov 30, 2020 CARBON, TOTAL MR No Yes — TT — Resolved Nov 30, 2020 Stage 1 Disinfectants and Disinfection Byproducts Rule
Sep 1, 2020 Nov 30, 2020 CARBON, TOTAL MR No Yes — TT — Resolved Nov 30, 2020 Stage 1 Disinfectants and Disinfection Byproducts Rule
Sep 1, 2020 Nov 30, 2020 CARBON, TOTAL MR No Yes — TT — Resolved Nov 30, 2020 Stage 1 Disinfectants and Disinfection Byproducts Rule
Sep 1, 2020 Nov 30, 2020 CARBON, TOTAL MR No Yes — TT — Resolved Nov 30, 2020 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2019 Sep 30, 2019 Chlorine MR No No — 4.0 mg/L — Resolved Sep 30, 2019 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2019 Sep 30, 2019 Chlorine MR No No — 4.0 mg/L — Resolved Sep 30, 2019 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jun 1, 2019 Jun 30, 2019 Surface Water Treatment Rule MR No Yes — — — Resolved Jun 30, 2019 Surface Water Treatment Rule
Jun 1, 2019 Jun 30, 2019 Surface Water Treatment Rule MR No Yes — — — Resolved Jun 30, 2019 Surface Water Treatment Rule
May 1, 2019 May 31, 2019 Surface Water Treatment Rule MR No Yes — — — Resolved May 31, 2019 Surface Water Treatment Rule
May 1, 2019 May 31, 2019 Surface Water Treatment Rule MR No Yes — — — Resolved May 31, 2019 Surface Water Treatment Rule
Apr 1, 2019 Apr 30, 2019 Surface Water Treatment Rule MR No Yes — — — Resolved Apr 30, 2019 Surface Water Treatment Rule
Apr 1, 2019 Jun 30, 2019 Chlorine MR No No — 4.0 mg/L — Resolved Jun 30, 2019 Stage 1 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2019 Jun 30, 2019 Chlorine MR No No — 4.0 mg/L — Resolved Jun 30, 2019 Stage 1 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2019 Apr 30, 2019 Surface Water Treatment Rule MR No Yes — — — Resolved Apr 30, 2019 Surface Water Treatment Rule
Jul 1, 2016 Sep 30, 2016 TTHM MR No Yes — 0.080 mg/L — Resolved Sep 30, 2016 Stage 2 Disinfectants and Disinfection Byproducts Rule

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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