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UNION CITY MUNICIPAL AUTHORITY

Pennsylvania — Community Water System — PWSID: PA6250064

System Information

PWSIDPA6250064
System NameUNION CITY MUNICIPAL AUTHORITY
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
CityUNION CITY
ZIP Code16438
Address22 NORTH MAIN STREET
OrganizationUNION CITY MUNICIPAL AUTHORITY
Phone814-438-3721

Population & Service

Population Served2,952
Service Connections1,131

Drinking Water Violations (627)

This water system has 627 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 29, 2025 — Public Notice Other No No — — — Resolved Nov 18, 2025 Public Notice Rule and Revised PN Rule
Oct 29, 2025 — Public Notice Other No No — — — Resolved Nov 18, 2025 Public Notice Rule and Revised PN Rule
Oct 29, 2025 — Public Notice Other No No — — — Resolved Nov 18, 2025 Public Notice Rule and Revised PN Rule
Oct 29, 2025 — Public Notice Other No No — — — Resolved Nov 18, 2025 Public Notice Rule and Revised PN Rule
Jul 1, 2025 Sep 30, 2025 Total Haloacetic Acids (HAA5) MCL Yes No .061 MG/L 0.060 mg/L — Resolved Sep 30, 2025 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2025 Sep 30, 2025 Total Haloacetic Acids (HAA5) MCL Yes No .061 MG/L 0.060 mg/L — Resolved Sep 30, 2025 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2025 Sep 30, 2025 Total Haloacetic Acids (HAA5) MCL Yes No .061 MG/L 0.060 mg/L — Resolved Sep 30, 2025 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2025 Sep 30, 2025 Total Haloacetic Acids (HAA5) MCL Yes No .061 MG/L 0.060 mg/L — Resolved Sep 30, 2025 Stage 2 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2024 Jun 30, 2024 CARBON, TOTAL MR No Yes — TT — Resolved Jun 30, 2024 Stage 1 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2024 Jun 30, 2024 CARBON, TOTAL MR No Yes — TT — Resolved Jun 30, 2024 Stage 1 Disinfectants and Disinfection Byproducts Rule
Mar 11, 2024 — Public Notice Other No No — — — Resolved May 1, 2024 Public Notice Rule and Revised PN Rule
Mar 11, 2024 — Public Notice Other No No — — — Resolved May 1, 2024 Public Notice Rule and Revised PN Rule
Oct 1, 2023 Dec 31, 2023 2,4-D MR No Yes — 0.07 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 2,4-D MR No Yes — 0.07 mg/L — Resolved Dec 31, 2023 Synthetic Organic Chemicals
Dec 1, 2022 Feb 28, 2023 CARBON, TOTAL MR No Yes — TT — Resolved Feb 3, 2023 Stage 1 Disinfectants and Disinfection Byproducts Rule
Dec 1, 2022 Feb 28, 2023 CARBON, TOTAL MR No Yes — TT — Resolved Feb 3, 2023 Stage 1 Disinfectants and Disinfection Byproducts Rule
Dec 1, 2022 Feb 28, 2023 CARBON, TOTAL MR No Yes — TT — Resolved Feb 3, 2023 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2020 Mar 31, 2020 CARBON, TOTAL MR No Yes — TT — Resolved Mar 31, 2020 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2020 Mar 31, 2020 CARBON, TOTAL MR No Yes — TT — Resolved Mar 31, 2020 Stage 1 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2019 Jun 30, 2019 CARBON, TOTAL MR No Yes — TT — Resolved Jun 30, 2019 Stage 1 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2019 Jun 30, 2019 CARBON, TOTAL MR No Yes — TT — Resolved Jun 30, 2019 Stage 1 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2019 Jun 30, 2019 CARBON, TOTAL MR No Yes — TT — Resolved Jun 30, 2019 Stage 1 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2019 Jun 30, 2019 CARBON, TOTAL MR No Yes — TT — Resolved Jun 30, 2019 Stage 1 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2019 Jun 30, 2019 CARBON, TOTAL MR No Yes — TT — Resolved Jun 30, 2019 Stage 1 Disinfectants and Disinfection Byproducts Rule
Feb 1, 2019 Feb 28, 2019 Surface Water Treatment Rule MR No Yes — — — Resolved Feb 28, 2019 Surface Water Treatment Rule
Feb 1, 2019 Feb 28, 2019 Surface Water Treatment Rule MR No Yes — — — Resolved Feb 28, 2019 Surface Water Treatment Rule
Jan 1, 2019 Mar 31, 2019 Chlorine MR No No — 4.0 mg/L — Resolved Mar 31, 2019 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2019 Mar 31, 2019 Chlorine MR No No — 4.0 mg/L — Resolved Mar 31, 2019 Stage 1 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2018 Dec 31, 2018 CARBON, TOTAL MR No Yes — TT — Resolved Dec 31, 2018 Stage 1 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2018 Dec 31, 2018 CARBON, TOTAL MR No Yes — TT — Resolved Dec 31, 2018 Stage 1 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2018 Dec 31, 2018 CARBON, TOTAL MR No Yes — TT — Resolved Dec 31, 2018 Stage 1 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2018 Dec 31, 2018 CARBON, TOTAL MR No Yes — TT — Resolved Dec 31, 2018 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2018 Sep 30, 2018 CARBON, TOTAL MR No Yes — TT — Resolved Sep 30, 2018 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2018 Sep 30, 2018 CARBON, TOTAL MR No Yes — TT — Resolved Sep 30, 2018 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2018 Sep 30, 2018 CARBON, TOTAL MR No Yes — TT — Resolved Sep 30, 2018 Stage 1 Disinfectants and Disinfection Byproducts Rule
Apr 11, 2017 — Public Notice Other No No — — — Resolved May 23, 2017 Public Notice Rule and Revised PN Rule
Apr 11, 2017 — Public Notice Other No No — — — Resolved May 23, 2017 Public Notice Rule and Revised PN Rule
Apr 11, 2017 — Public Notice Other No No — — — Resolved May 23, 2017 Public Notice Rule and Revised PN Rule
Apr 11, 2017 — Public Notice Other No No — — — Resolved May 23, 2017 Public Notice Rule and Revised PN Rule
Apr 11, 2017 — Public Notice Other No No — — — Resolved May 23, 2017 Public Notice Rule and Revised PN Rule
Apr 11, 2017 — Public Notice Other No No — — — Resolved May 23, 2017 Public Notice Rule and Revised PN Rule
Apr 11, 2017 — Public Notice Other No No — — — Resolved May 23, 2017 Public Notice Rule and Revised PN Rule
Apr 11, 2017 — Public Notice Other No No — — — Resolved May 23, 2017 Public Notice Rule and Revised PN Rule
Apr 11, 2017 — Public Notice Other No No — — — Resolved May 23, 2017 Public Notice Rule and Revised PN Rule
Apr 11, 2017 — Public Notice Other No No — — — Resolved May 23, 2017 Public Notice Rule and Revised PN Rule
Apr 11, 2017 — Public Notice Other No No — — — Resolved May 23, 2017 Public Notice Rule and Revised PN Rule
Apr 11, 2017 — Public Notice Other No No — — — Resolved May 23, 2017 Public Notice Rule and Revised PN Rule
Apr 11, 2017 — Public Notice Other No No — — — Resolved May 23, 2017 Public Notice Rule and Revised PN 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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