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BLAIR TWP WATER & SEWER AUTH

Pennsylvania — Community Water System — PWSID: PA4070011

System Information

PWSIDPA4070011
System NameBLAIR TWP WATER & SEWER AUTH
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
CityDUNCANSVILLE
ZIP Code16635
Address377 CEDARCREST DR
OrganizationBLAIR TWP WATER & SEWER AUTH
Phone814-695-6300

Population & Service

Population Served2,550
Service Connections905

Drinking Water Violations (43)

This water system has 43 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, 2020 Sep 30, 2020 TTHM MR No Yes — 0.080 mg/L — Archived Sep 30, 2020 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2020 Sep 30, 2020 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Archived Sep 30, 2020 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2020 Sep 30, 2020 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Archived Sep 30, 2020 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2020 Sep 30, 2020 TTHM MR No Yes — 0.080 mg/L — Archived Sep 30, 2020 Stage 2 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2019 — Revised Total Coliform Rule RPT No No — — — Resolved Dec 12, 2019 Revised Total Coliform Rule
Oct 1, 2019 — Revised Total Coliform Rule RPT No No — — — Resolved Dec 12, 2019 Revised Total Coliform Rule
Jul 1, 2019 Jul 31, 2019 Surface Water Treatment Rule MR No Yes — — — Resolved Jul 31, 2019 Surface Water Treatment Rule
Jul 1, 2019 Jul 31, 2019 Surface Water Treatment Rule MR No Yes — — — Resolved Jul 31, 2019 Surface Water Treatment Rule
Jul 1, 2019 Jul 31, 2019 Surface Water Treatment Rule MR No Yes — — — Resolved Jul 31, 2019 Surface Water Treatment 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
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
Jul 1, 2019 Jul 31, 2019 Surface Water Treatment Rule MR No Yes — — — Resolved Jul 31, 2019 Surface Water Treatment Rule
Oct 1, 2017 Oct 31, 2017 Surface Water Treatment Rule TT Yes No — — — Resolved Oct 31, 2017 Surface Water Treatment Rule
Oct 1, 2017 Oct 31, 2017 Surface Water Treatment Rule TT Yes No — — — Resolved Oct 31, 2017 Surface Water Treatment Rule
Oct 1, 2017 Oct 31, 2017 Surface Water Treatment Rule TT Yes No — — — Resolved Oct 31, 2017 Surface Water Treatment Rule
Jan 1, 2008 Jan 31, 2008 Surface Water Treatment Rule MR No Yes — — — Resolved Jan 31, 2008 Surface Water Treatment Rule
Jan 1, 2008 Mar 31, 2008 Chlorine MR No Yes — 4.0 mg/L — Resolved Feb 22, 2008 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2008 Jan 31, 2008 Surface Water Treatment Rule MR No Yes — — — Resolved Jan 31, 2008 Surface Water Treatment Rule
Jan 1, 2008 Mar 31, 2008 Chlorine MR No Yes — 4.0 mg/L — Resolved Feb 22, 2008 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2007 Sep 30, 2007 Chlorine MR No Yes — 4.0 mg/L — Resolved Sep 21, 2007 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2007 Jul 31, 2007 Coliform (TCR) MR No No — 5% of samples — Resolved Jul 31, 2007 Total Coliform Rule
Jul 1, 2007 Jul 31, 2007 Coliform (TCR) MR No No — 5% of samples — Resolved Jul 31, 2007 Total Coliform Rule
Jul 1, 2007 Jul 31, 2007 Coliform (TCR) MR No No — 5% of samples — Resolved Jul 31, 2007 Total Coliform Rule
Jul 1, 2007 Jul 31, 2007 Coliform (TCR) MR No No — 5% of samples — Resolved Jul 31, 2007 Total Coliform Rule
Jul 1, 2007 Sep 30, 2007 Chlorine MR No Yes — 4.0 mg/L — Resolved Sep 21, 2007 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2007 Sep 30, 2007 Chlorine MR No Yes — 4.0 mg/L — Resolved Sep 21, 2007 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2007 Sep 30, 2007 Chlorine MR No Yes — 4.0 mg/L — Resolved Sep 21, 2007 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jun 1, 2007 Jun 30, 2007 Surface Water Treatment Rule MR No Yes — — — Resolved Jun 30, 2007 Surface Water Treatment Rule
Jun 1, 2007 Jun 30, 2007 Surface Water Treatment Rule MR No Yes — — — Resolved Jun 30, 2007 Surface Water Treatment Rule
Apr 1, 2007 Jun 30, 2007 Chlorine MR No Yes — 4.0 mg/L — Resolved Jun 30, 2007 Stage 1 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2007 Jun 30, 2007 Chlorine MR No Yes — 4.0 mg/L — Resolved Jun 30, 2007 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2006 Sep 30, 2006 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Sep 30, 2006 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2006 Sep 30, 2006 TTHM MR No Yes — 0.080 mg/L — Resolved Sep 30, 2006 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2006 Sep 30, 2006 TTHM MR No Yes — 0.080 mg/L — Resolved Sep 30, 2006 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2006 Sep 30, 2006 TTHM MR No Yes — 0.080 mg/L — Resolved Sep 30, 2006 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2006 Sep 30, 2006 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Sep 30, 2006 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2006 Sep 30, 2006 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Sep 30, 2006 Stage 1 Disinfectants and Disinfection Byproducts Rule
— — — No No — — — — — —
— — — No No — — — — — —
— — — No No — — — — — —
— — — No No — — — — — —

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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