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SOUTHWESTERN PA WATER AUTH

Pennsylvania — Community Water System — PWSID: PA5300017

System Information

PWSIDPA5300017
System NameSOUTHWESTERN PA WATER AUTH
System TypeCommunity Water System
Water SourceSurface Water
Activity StatusActive
Owner TypeLocal
EPA Region03
Serves SchoolNo
WholesalerNo
First ReportedJun 9, 1992
Last ReportedDec 17, 2025

Location & Contact

StatePennsylvania
CityJEFFERSON
ZIP Code15344
AddressPO BOX 187
OrganizationSOUTHWESTERN PA WATER AUTH
Phone724-883-2305

Population & Service

Population Served40,000
Service Connections29,194

Drinking Water Violations (81)

This water system has 81 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, 2024 Dec 31, 2024 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Dec 31, 2024 Stage 2 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2024 Dec 31, 2024 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Dec 31, 2024 Stage 2 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2024 Dec 31, 2024 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Dec 31, 2024 Stage 2 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2024 Dec 31, 2024 TTHM MR No Yes — 0.080 mg/L — Resolved Dec 31, 2024 Stage 2 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2024 Dec 31, 2024 TTHM MR No Yes — 0.080 mg/L — Resolved Dec 31, 2024 Stage 2 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2024 Dec 31, 2024 TTHM MR No Yes — 0.080 mg/L — Resolved Dec 31, 2024 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 11, 2024 — Public Notice Other No No — — — Resolved Jun 5, 2024 Public Notice Rule and Revised PN Rule
Oct 1, 2023 Dec 31, 2023 Gross Alpha, Excl. Radon and U MR No Yes — 15 pCi/L — Resolved Dec 31, 2023 Radionuclides and Revised Rad Rule
Oct 1, 2023 Dec 31, 2023 Gross Alpha, Excl. Radon and U MR No Yes — 15 pCi/L — Resolved Dec 31, 2023 Radionuclides and Revised Rad Rule
Jan 1, 2022 Dec 31, 2022 Asbestos MR No Yes — 7 MFL — Resolved Dec 31, 2022 Inorganic Chemicals
Jan 1, 2022 Dec 31, 2022 Asbestos MR No Yes — 7 MFL — Resolved Dec 31, 2022 Inorganic Chemicals
Jan 1, 2022 Dec 31, 2022 Asbestos MR No Yes — 7 MFL — Resolved Dec 31, 2022 Inorganic Chemicals
Jul 1, 2021 Sep 30, 2021 TTHM MR No Yes — 0.080 mg/L — Archived Sep 30, 2021 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2021 Sep 30, 2021 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Archived Sep 30, 2021 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2019 Mar 31, 2019 CARBON, TOTAL MR No Yes — TT — Resolved Mar 31, 2019 Stage 1 Disinfectants and Disinfection Byproducts Rule
Nov 10, 2016 — Public Notice Other No No — — — Resolved Jan 3, 2017 Public Notice Rule and Revised PN Rule
Nov 10, 2016 — Public Notice Other No No — — — Resolved Jan 3, 2017 Public Notice Rule and Revised PN Rule
Nov 10, 2016 — Public Notice Other No No — — — Resolved Jan 3, 2017 Public Notice Rule and Revised PN Rule
Nov 10, 2016 — Public Notice Other No No — — — Resolved Jan 3, 2017 Public Notice Rule and Revised PN Rule
Nov 10, 2016 — Public Notice Other No No — — — Resolved Jan 3, 2017 Public Notice Rule and Revised PN Rule
Nov 10, 2016 — Public Notice Other No No — — — Resolved Jan 3, 2017 Public Notice Rule and Revised PN Rule
Nov 10, 2016 — Public Notice Other No No — — — Resolved Jan 3, 2017 Public Notice Rule and Revised PN Rule
Nov 10, 2016 — Public Notice Other No No — — — Resolved Jan 3, 2017 Public Notice Rule and Revised PN Rule
Oct 1, 2016 Dec 31, 2016 TTHM MR No Yes — 0.080 mg/L — Resolved Dec 31, 2016 Stage 2 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2016 Dec 31, 2016 TTHM MR No Yes — 0.080 mg/L — Resolved Dec 31, 2016 Stage 2 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2016 Dec 31, 2016 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Dec 31, 2016 Stage 2 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2016 Dec 31, 2016 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Dec 31, 2016 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2016 Sep 30, 2016 TTHM MCL Yes No — 0.080 mg/L — Resolved Sep 30, 2016 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2016 Sep 30, 2016 TTHM MCL Yes No — 0.080 mg/L — Resolved Sep 30, 2016 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2016 Sep 30, 2016 TTHM MCL Yes No — 0.080 mg/L — Resolved Sep 30, 2016 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2016 Sep 30, 2016 TTHM MCL Yes No — 0.080 mg/L — Resolved Sep 30, 2016 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2016 Sep 30, 2016 TTHM MCL Yes No — 0.080 mg/L — Resolved Sep 30, 2016 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2016 Sep 30, 2016 TTHM MCL Yes No — 0.080 mg/L — Resolved Sep 30, 2016 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2016 Sep 30, 2016 TTHM MCL Yes No — 0.080 mg/L — Resolved Sep 30, 2016 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2016 Sep 30, 2016 TTHM MCL Yes No — 0.080 mg/L — Resolved Sep 30, 2016 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2016 Sep 30, 2016 TTHM MCL Yes No — 0.080 mg/L — Resolved Sep 30, 2016 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2016 Sep 30, 2016 TTHM MCL Yes No — 0.080 mg/L — Resolved Sep 30, 2016 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2013 — Consumer Confidence Rule Other No No — — — Resolved Sep 3, 2013 Consumer Confidence Rule
Jul 1, 2007 — Consumer Confidence Rule Other No No — — — Resolved Aug 24, 2007 Consumer Confidence Rule
Jul 1, 2007 — Consumer Confidence Rule Other No No — — — Resolved Aug 24, 2007 Consumer Confidence Rule
Jul 1, 2004 — Consumer Confidence Rule Other No No — — — Resolved Nov 2, 2004 Consumer Confidence Rule
Jul 1, 2004 — Consumer Confidence Rule Other No No — — — Resolved Nov 2, 2004 Consumer Confidence Rule
Jul 1, 2004 — Consumer Confidence Rule Other No No — — — Resolved Nov 2, 2004 Consumer Confidence Rule
Aug 1, 2003 Aug 31, 2003 Interim Enhanced Surface Water Treatment Rule MR No No — — — Resolved Aug 31, 2003 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Aug 1, 2003 Aug 31, 2003 Interim Enhanced Surface Water Treatment Rule MR No No — — — Resolved Aug 31, 2003 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Jan 1, 1998 Dec 31, 1998 Thallium, Total MR No Yes — 0.002 mg/L — Resolved Dec 31, 1998 Inorganic Chemicals
Jan 1, 1998 Dec 31, 1998 Chromium MR No Yes — 0.1 mg/L — Resolved Dec 31, 1998 Inorganic Chemicals
Jan 1, 1998 Dec 31, 1998 Chromium MR No Yes — 0.1 mg/L — Resolved Dec 31, 1998 Inorganic Chemicals
Jan 1, 1998 Dec 31, 1998 Chromium MR No Yes — 0.1 mg/L — Resolved Dec 31, 1998 Inorganic Chemicals
Jan 1, 1998 Dec 31, 1998 Barium MR No Yes — 2 mg/L — Resolved Dec 31, 1998 Inorganic 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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