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CATTARAUGUS CWS

New York — Community Water System — PWSID: 020000008

System Information

PWSID020000008
System NameCATTARAUGUS CWS
System TypeCommunity Water System
Water SourceSurface Water Purchased
Activity StatusActive
Owner TypeNative American
EPA Region02
Serves SchoolNo
WholesalerNo
First ReportedMay 21, 2003
Last ReportedDec 23, 2025

Location & Contact

StateNew York
CitySALAMANCA
ZIP Code14779
AddressSENECA NATION HEALTH DEPT
OrganizationSENECA NATION OF INDIANS
Phone—

Population & Service

Population Served4,999
Service Connections1,221

Drinking Water Violations (67)

This water system has 67 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
Sep 1, 2025 Sep 30, 2025 Revised Total Coliform Rule MON No Yes — — — Archived Sep 30, 2025 Revised Total Coliform Rule
Jul 1, 2025 Sep 30, 2025 Chlorine MR No Yes — 4.0 mg/L — Archived Sep 30, 2025 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2025 Jul 31, 2025 Revised Total Coliform Rule MON No Yes — — — Archived Jul 31, 2025 Revised Total Coliform Rule
Mar 1, 2025 — Revised Total Coliform Rule RPT No No — — — Resolved Jun 25, 2025 Revised Total Coliform Rule
Feb 1, 2025 Feb 28, 2025 Revised Total Coliform Rule MON No Yes — — — Resolved Feb 28, 2025 Revised Total Coliform Rule
Jan 1, 2025 Mar 31, 2025 Chlorine MR No Yes — 4.0 mg/L — Resolved Mar 31, 2025 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2025 — Revised Total Coliform Rule RPT No No — — — Resolved Jun 25, 2025 Revised Total Coliform Rule
Sep 1, 2024 — Revised Total Coliform Rule RPT No No — — — Resolved Dec 23, 2024 Revised Total Coliform Rule
Aug 1, 2024 — Revised Total Coliform Rule RPT No No — — — Resolved Dec 23, 2024 Revised Total Coliform Rule
Jul 1, 2024 — Consumer Confidence Rule Other No No — — — Resolved Dec 23, 2024 Consumer Confidence Rule
Jun 1, 2024 — Revised Total Coliform Rule RPT No No — — — Resolved Sep 24, 2024 Revised Total Coliform Rule
Apr 1, 2024 — Revised Total Coliform Rule RPT No No — — — Resolved Sep 24, 2024 Revised Total Coliform Rule
Feb 1, 2024 — Revised Total Coliform Rule RPT No No — — — Resolved Jun 17, 2024 Revised Total Coliform Rule
Jan 1, 2024 — Revised Total Coliform Rule RPT No No — — — Resolved Jun 17, 2024 Revised Total Coliform Rule
Jan 1, 2024 Dec 31, 2024 Nitrate MR No Yes — 10 mg/L — Archived Dec 31, 2024 Nitrate Rule
Dec 1, 2023 — Revised Total Coliform Rule RPT No No — — — Resolved Dec 21, 2023 Revised Total Coliform Rule
Nov 1, 2023 — Revised Total Coliform Rule RPT No No — — — Resolved Dec 21, 2023 Revised Total Coliform Rule
Sep 1, 2023 — Revised Total Coliform Rule RPT No No — — — Resolved Dec 21, 2023 Revised Total Coliform Rule
Aug 1, 2023 — Revised Total Coliform Rule RPT No No — — — Resolved Dec 21, 2023 Revised Total Coliform Rule
Jan 1, 2023 — Revised Total Coliform Rule RPT No No — — — Resolved Jun 15, 2023 Revised Total Coliform Rule
Dec 1, 2022 Dec 31, 2022 Revised Total Coliform Rule MON No Yes — — — Resolved Dec 31, 2022 Revised Total Coliform Rule
Nov 1, 2022 Nov 30, 2022 Revised Total Coliform Rule MON No Yes — — — Resolved Nov 30, 2022 Revised Total Coliform Rule
Oct 1, 2022 — Revised Total Coliform Rule RPT No No — — — Resolved Jun 15, 2023 Revised Total Coliform Rule
Sep 1, 2022 — Revised Total Coliform Rule RPT No No — — — Resolved Jun 19, 2018 Revised Total Coliform Rule
Aug 1, 2022 — Revised Total Coliform Rule RPT No No — — — Resolved Jun 19, 2018 Revised Total Coliform Rule
Nov 1, 2021 — Revised Total Coliform Rule RPT No No — — — Resolved Mar 11, 2021 Revised Total Coliform Rule
Sep 1, 2021 Sep 30, 2021 Revised Total Coliform Rule MON No Yes — — — Resolved Sep 30, 2021 Revised Total Coliform Rule
Sep 1, 2021 — Revised Total Coliform Rule RPT No No — — — Resolved Dec 7, 2021 Revised Total Coliform Rule
Aug 1, 2021 — Revised Total Coliform Rule RPT No No — — — Resolved Dec 8, 2021 Revised Total Coliform Rule
Jul 1, 2021 — Revised Total Coliform Rule RPT No No — — — Resolved Dec 8, 2021 Revised Total Coliform Rule
Jun 1, 2021 Jun 30, 2021 Revised Total Coliform Rule MON No Yes — — — Resolved Jun 30, 2021 Revised Total Coliform Rule
May 1, 2021 May 31, 2021 Revised Total Coliform Rule MON No Yes — — — Resolved May 31, 2021 Revised Total Coliform Rule
Mar 1, 2021 — Revised Total Coliform Rule RPT No No — — — Resolved Jun 21, 2021 Revised Total Coliform Rule
Aug 1, 2020 — Revised Total Coliform Rule RPT No No — — — Resolved Jun 19, 2018 Revised Total Coliform Rule
Jan 1, 2019 Mar 31, 2019 TTHM MR No Yes — 0.080 mg/L — Resolved Mar 31, 2019 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2019 Mar 31, 2019 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Mar 31, 2019 Stage 2 Disinfectants and Disinfection Byproducts Rule
Mar 1, 2018 Mar 31, 2018 Revised Total Coliform Rule MON No Yes — — — Resolved Mar 31, 2018 Revised Total Coliform Rule
Feb 1, 2018 Feb 28, 2018 Revised Total Coliform Rule MON No Yes — — — Resolved Feb 28, 2018 Revised Total Coliform Rule
Jan 1, 2018 Mar 31, 2018 TTHM MR No Yes — 0.080 mg/L — Resolved Mar 31, 2018 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2018 Jan 31, 2018 Revised Total Coliform Rule MON No Yes — — — Resolved Jan 31, 2018 Revised Total Coliform Rule
Jan 1, 2018 Mar 31, 2018 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Mar 31, 2018 Stage 2 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2017 Dec 31, 2017 TTHM MR No Yes — 0.080 mg/L — Resolved Dec 31, 2017 Stage 2 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2017 Dec 31, 2017 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Dec 31, 2017 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2017 Dec 31, 2017 Nitrate MR No Yes — 10 mg/L — Resolved Dec 31, 2017 Nitrate Rule
Jul 1, 2016 Sep 30, 2016 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Sep 30, 2016 Stage 2 Disinfectants and Disinfection Byproducts 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
May 1, 2013 May 31, 2013 Coliform (TCR) MR No No — 5% of samples — Resolved May 31, 2013 Total Coliform Rule
May 1, 2013 May 31, 2013 Coliform (TCR) MCL Yes No — 5% of samples — Resolved May 31, 2013 Total Coliform Rule
Jan 1, 2013 — Lead and Copper Rule MR No No — TT — Resolved Sep 27, 2016 Lead and Copper Rule
Jan 1, 2013 — Lead and Copper Rule MR No No — TT — Resolved Sep 27, 2016 Lead and Copper 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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