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COLUMBIA WATER CO

Pennsylvania — Community Water System — PWSID: PA7360123

System Information

PWSIDPA7360123
System NameCOLUMBIA WATER CO
System TypeCommunity Water System
Water SourceSurface Water
Activity StatusActive
Owner TypePrivate
EPA Region03
Serves SchoolNo
WholesalerNo
First ReportedFeb 12, 1979
Last ReportedDec 17, 2025

Location & Contact

StatePennsylvania
CityCOLUMBIA
ZIP Code17512
Address220 LOCUST STREET
OrganizationCOLUMBIA WATER CO
Phone717-684-2188

Population & Service

Population Served25,200
Service Connections10,648

Drinking Water Violations (198)

This water system has 198 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
Apr 1, 2024 Apr 30, 2024 Interim Enhanced Surface Water Treatment Rule MR No No — — — Resolved Apr 30, 2024 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Apr 1, 2024 Apr 30, 2024 Interim Enhanced Surface Water Treatment Rule MR No No — — — Resolved Apr 30, 2024 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Apr 1, 2023 — Revised Total Coliform Rule RPT No No — — — Resolved Jun 9, 2023 Revised Total Coliform Rule
Apr 1, 2023 Apr 30, 2023 Groundwater Rule MR No Yes — — — Resolved Apr 30, 2023 Ground Water Rule
Apr 1, 2023 — Revised Total Coliform Rule RPT No No — — — Resolved Jun 9, 2023 Revised Total Coliform Rule
Jan 1, 2019 Mar 31, 2019 CARBON, TOTAL TT Yes No — TT — Resolved Mar 31, 2019 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2019 Mar 31, 2019 CARBON, TOTAL TT Yes No — TT — Resolved Mar 31, 2019 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2019 Mar 31, 2019 CARBON, TOTAL TT Yes No — TT — Resolved Mar 31, 2019 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2019 Mar 31, 2019 CARBON, TOTAL TT Yes No — TT — Resolved Mar 31, 2019 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2019 Mar 31, 2019 CARBON, TOTAL TT Yes No — TT — Resolved Mar 31, 2019 Stage 1 Disinfectants and Disinfection Byproducts Rule
Dec 1, 2018 Feb 28, 2019 CARBON, TOTAL MR No Yes — TT — Resolved Feb 28, 2019 Stage 1 Disinfectants and Disinfection Byproducts Rule
Dec 1, 2018 Feb 28, 2019 CARBON, TOTAL MR No Yes — TT — Resolved Feb 28, 2019 Stage 1 Disinfectants and Disinfection Byproducts Rule
Dec 1, 2018 Feb 28, 2019 CARBON, TOTAL MR No Yes — TT — Resolved Feb 28, 2019 Stage 1 Disinfectants and Disinfection Byproducts Rule
Dec 1, 2018 Feb 28, 2019 CARBON, TOTAL MR No Yes — TT — Resolved Feb 28, 2019 Stage 1 Disinfectants and Disinfection Byproducts Rule
Dec 1, 2018 Feb 28, 2019 CARBON, TOTAL MR No Yes — TT — Resolved Feb 28, 2019 Stage 1 Disinfectants and Disinfection Byproducts Rule
Dec 1, 2018 Feb 28, 2019 CARBON, TOTAL MR No Yes — TT — Resolved Feb 28, 2019 Stage 1 Disinfectants and Disinfection Byproducts Rule
Dec 1, 2018 Feb 28, 2019 CARBON, TOTAL MR No Yes — TT — Resolved Feb 28, 2019 Stage 1 Disinfectants and Disinfection Byproducts Rule
Nov 1, 2018 Jan 31, 2019 CARBON, TOTAL MR No Yes — TT — Resolved Jan 31, 2019 Stage 1 Disinfectants and Disinfection Byproducts Rule
Nov 1, 2018 Jan 31, 2019 CARBON, TOTAL MR No Yes — TT — Resolved Jan 31, 2019 Stage 1 Disinfectants and Disinfection Byproducts Rule
Nov 1, 2018 Jan 31, 2019 CARBON, TOTAL MR No Yes — TT — Resolved Jan 31, 2019 Stage 1 Disinfectants and Disinfection Byproducts Rule
Nov 1, 2018 Jan 31, 2019 CARBON, TOTAL MR No Yes — TT — Resolved Jan 31, 2019 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2017 Sep 30, 2017 Total Polychlorinated Biphenyls (PCB) MR No Yes — 0.0005 mg/L — Resolved Sep 30, 2017 Synthetic Organic Chemicals
Jul 1, 2017 Sep 30, 2017 Total Polychlorinated Biphenyls (PCB) MR No Yes — 0.0005 mg/L — Resolved Sep 30, 2017 Synthetic Organic Chemicals
May 1, 2017 May 31, 2017 Surface Water Treatment Rule MR No Yes — — — Resolved May 31, 2017 Surface Water Treatment Rule
Apr 1, 2017 Jun 30, 2017 Chlorine MR No No — 4.0 mg/L — Resolved Jun 30, 2017 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2017 Dec 31, 2017 Total Polychlorinated Biphenyls (PCB) MR No Yes — 0.0005 mg/L — Resolved Nov 16, 2017 Synthetic Organic Chemicals
Jan 1, 2017 Dec 31, 2017 Total Polychlorinated Biphenyls (PCB) MR No Yes — 0.0005 mg/L — Resolved Nov 16, 2017 Synthetic Organic Chemicals
Apr 1, 2016 Jun 30, 2016 CARBON, TOTAL TT Yes No — TT — Resolved Jun 30, 2016 Stage 1 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2016 Jun 30, 2016 CARBON, TOTAL TT Yes No — TT — Resolved Jun 30, 2016 Stage 1 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2016 Jun 30, 2016 CARBON, TOTAL TT Yes No — TT — Resolved Jun 30, 2016 Stage 1 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2016 Jun 30, 2016 CARBON, TOTAL TT Yes No — TT — Resolved Jun 30, 2016 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2016 Mar 31, 2016 CARBON, TOTAL TT Yes No — TT — Resolved Mar 31, 2016 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2016 Mar 31, 2016 CARBON, TOTAL TT Yes No — TT — Resolved Mar 31, 2016 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2016 Mar 31, 2016 CARBON, TOTAL TT Yes No — TT — Resolved Mar 31, 2016 Stage 1 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2015 Dec 31, 2015 CARBON, TOTAL MR No Yes — TT — Resolved Dec 31, 2015 Stage 1 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2015 Dec 31, 2015 CARBON, TOTAL MR No Yes — TT — Resolved Dec 31, 2015 Stage 1 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2015 Dec 31, 2015 CARBON, TOTAL MR No Yes — TT — Resolved Dec 31, 2015 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2014 Dec 31, 2014 HEXACHLOROBENZENE MR No Yes — 0.001 mg/L — Resolved Dec 2, 2014 Synthetic Organic Chemicals
Jan 1, 2014 Dec 31, 2014 2,4,5-TP MR No Yes — 0.05 mg/L — Resolved Dec 2, 2014 Synthetic Organic Chemicals
Jan 1, 2014 Dec 31, 2014 Dalapon MR No Yes — 0.2 mg/L — Resolved Dec 2, 2014 Synthetic Organic Chemicals
Jan 1, 2014 Dec 31, 2014 Dalapon MR No Yes — 0.2 mg/L — Resolved Dec 2, 2014 Synthetic Organic Chemicals
Jan 1, 2014 Dec 31, 2014 Benzo(a)pyrene MR No Yes — 0.0002 mg/L — Resolved Dec 2, 2014 Synthetic Organic Chemicals
Jan 1, 2014 Dec 31, 2014 Heptachlor epoxide MR No Yes — 0.0002 mg/L — Resolved Dec 2, 2014 Synthetic Organic Chemicals
Jan 1, 2014 Dec 31, 2014 Dinoseb MR No Yes — 0.007 mg/L — Resolved Dec 2, 2014 Synthetic Organic Chemicals
Jan 1, 2014 Dec 31, 2014 Di(2-ethylhexyl) phthalate MR No Yes — 0.006 mg/L — Resolved Dec 2, 2014 Synthetic Organic Chemicals
Jan 1, 2014 Dec 31, 2014 Di(2-ethylhexyl) phthalate MR No Yes — 0.006 mg/L — Resolved Dec 2, 2014 Synthetic Organic Chemicals
Jan 1, 2014 Dec 31, 2014 Simazine MR No Yes — 0.004 mg/L — Resolved Dec 2, 2014 Synthetic Organic Chemicals
Jan 1, 2014 Dec 31, 2014 Toxaphene MR No Yes — 0.003 mg/L — Resolved Dec 2, 2014 Synthetic Organic Chemicals
Jan 1, 2014 Dec 31, 2014 Endrin MR No Yes — 0.002 mg/L — Resolved Dec 2, 2014 Synthetic Organic Chemicals
Jan 1, 2014 Dec 31, 2014 HEXACHLOROBENZENE MR No Yes — 0.001 mg/L — Resolved Dec 2, 2014 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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