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SCUA Lower Peridot

Arizona — Community Water System — PWSID: 090400112

System Information

PWSID090400112
System NameSCUA Lower Peridot
System TypeCommunity Water System
Water SourceGround Water
Activity StatusActive
Owner TypeNative American
EPA Region09
Serves SchoolNo
WholesalerNo
First ReportedFeb 2, 1984
Last ReportedDec 31, 2025

Location & Contact

StateArizona
CitySan Carlos
ZIP Code85550
AddressP.O. Box O
OrganizationSan Carlos Apache Tribe
Phone9284752631

Population & Service

Population Served702
Service Connections92

Drinking Water Violations (503)

This water system has 503 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
Nov 16, 2024 — LEAD AND COPPER RULE REVISIONS RPT No No — — — Unaddressed — Lead and Copper Rule Revisions
Nov 16, 2024 — LEAD AND COPPER RULE REVISIONS RPT No No — — — Unaddressed — Lead and Copper Rule Revisions
Jan 27, 2024 — Revised Total Coliform Rule TT Yes No — — — Resolved Jul 11, 2025 Revised Total Coliform Rule
Jan 27, 2024 — Public Notice Other No No — — — Resolved Jul 11, 2025 Public Notice Rule and Revised PN Rule
Jan 19, 2024 — Groundwater Rule TT Yes No — — — Resolved Jan 22, 2025 Ground Water Rule
Jan 1, 2024 Mar 31, 2024 Arsenic MR No Yes — 0.010 mg/L — Resolved Mar 31, 2024 Arsenic Rule
Jul 1, 2023 Jul 31, 2023 Revised Total Coliform Rule MCL Yes No — — — Resolved Jul 31, 2023 Revised Total Coliform Rule
Mar 4, 2023 — Public Notice Other No No — — — Resolved Jul 1, 2024 Public Notice Rule and Revised PN Rule
Mar 4, 2023 — Groundwater Rule TT Yes No — — — Resolved Jul 11, 2025 Ground Water Rule
Mar 4, 2023 — Groundwater Rule TT Yes No — — — Resolved Jul 11, 2025 Ground Water Rule
Mar 4, 2023 — Groundwater Rule TT Yes No — — — Resolved Oct 13, 2023 Ground Water Rule
Mar 4, 2023 — Groundwater Rule TT Yes No — — — Resolved Oct 13, 2023 Ground Water Rule
Mar 4, 2023 — Public Notice Other No No — — — Resolved Jul 1, 2024 Public Notice Rule and Revised PN Rule
Feb 1, 2023 — Revised Total Coliform Rule RPT No No — — — Resolved May 24, 2023 Revised Total Coliform Rule
Feb 1, 2023 — Revised Total Coliform Rule RPT No No — — — Resolved May 24, 2023 Revised Total Coliform Rule
Feb 1, 2023 — Revised Total Coliform Rule RPT No No — — — Resolved May 24, 2023 Revised Total Coliform Rule
Aug 1, 2022 — Revised Total Coliform Rule RPT No No — — — Resolved Oct 7, 2022 Revised Total Coliform Rule
Aug 1, 2022 — E. COLI MR No Yes — — — Resolved Oct 7, 2022 Ground Water Rule
Aug 1, 2022 — E. COLI MR No Yes — — — Resolved Oct 7, 2022 Ground Water Rule
Jul 1, 2022 — Consumer Confidence Rule Other No No — — — Resolved Dec 13, 2022 Consumer Confidence Rule
Aug 1, 2020 — E. COLI MR No Yes — — — Resolved Sep 30, 2020 Ground Water Rule
Jun 1, 2019 — E. COLI MR No Yes — — — Resolved Aug 30, 2019 Ground Water Rule
Jun 1, 2019 — E. COLI MR No Yes — — — Resolved Aug 30, 2019 Ground Water Rule
Mar 1, 2019 — Revised Total Coliform Rule RPT No No — — — Resolved Jun 6, 2019 Revised Total Coliform Rule
Feb 1, 2019 — Revised Total Coliform Rule RPT No No — — — Resolved Jun 6, 2019 Revised Total Coliform Rule
Jan 1, 2019 — Revised Total Coliform Rule RPT No No — — — Resolved Jun 6, 2019 Revised Total Coliform Rule
Dec 1, 2018 — Revised Total Coliform Rule RPT No No — — — Resolved Apr 20, 2019 Revised Total Coliform Rule
Dec 1, 2018 — Revised Total Coliform Rule RPT No No — — — Resolved Apr 20, 2019 Revised Total Coliform Rule
Nov 1, 2018 — Revised Total Coliform Rule RPT No No — — — Resolved Apr 20, 2019 Revised Total Coliform Rule
Nov 1, 2018 — Revised Total Coliform Rule RPT No No — — — Resolved Apr 20, 2019 Revised Total Coliform Rule
Oct 1, 2018 — Revised Total Coliform Rule RPT No No — — — Resolved Apr 20, 2019 Revised Total Coliform Rule
Oct 1, 2018 — Revised Total Coliform Rule RPT No No — — — Resolved Apr 20, 2019 Revised Total Coliform Rule
Sep 1, 2018 — E. COLI MR No Yes — — — Resolved Apr 11, 2019 Ground Water Rule
Jul 1, 2016 — Revised Total Coliform Rule TT Yes No — — — Resolved Aug 30, 2016 Revised Total Coliform Rule
Mar 1, 2016 Mar 31, 2016 Coliform (TCR) MR No No — 5% of samples — Resolved Mar 31, 2016 Total Coliform Rule
Nov 1, 2015 Nov 30, 2015 Coliform (TCR) MR No No — 5% of samples — Resolved Nov 30, 2015 Total Coliform Rule
Oct 1, 2015 Oct 31, 2015 Coliform (TCR) MR No No — 5% of samples — Resolved Oct 31, 2015 Total Coliform Rule
Jul 1, 2015 — Consumer Confidence Rule Other No No — — — Resolved Jul 30, 2016 Consumer Confidence Rule
Jul 1, 2015 — Consumer Confidence Rule Other No No — — — Resolved Jul 30, 2016 Consumer Confidence Rule
Jun 1, 2015 Jun 30, 2015 Coliform (TCR) MR No No — 5% of samples — Resolved Jun 30, 2015 Total Coliform Rule
Jun 1, 2015 Jun 30, 2015 Coliform (TCR) MR No No — 5% of samples — Resolved Jun 30, 2015 Total Coliform Rule
Apr 1, 2015 Apr 30, 2015 Coliform (TCR) MR No No — 5% of samples — Resolved Apr 30, 2015 Total Coliform Rule
Apr 1, 2015 Apr 30, 2015 Coliform (TCR) MR No No — 5% of samples — Resolved Apr 30, 2015 Total Coliform Rule
Mar 1, 2015 Mar 31, 2015 Coliform (TCR) MR No No — 5% of samples — Resolved Mar 31, 2015 Total Coliform Rule
Mar 1, 2015 Mar 31, 2015 Coliform (TCR) MR No No — 5% of samples — Resolved Mar 31, 2015 Total Coliform Rule
Jan 1, 2015 Jan 31, 2015 Coliform (TCR) MR No No — 5% of samples — Resolved Jan 31, 2015 Total Coliform Rule
Jan 1, 2015 Jan 31, 2015 Coliform (TCR) MR No No — 5% of samples — Resolved Jan 31, 2015 Total Coliform Rule
Sep 1, 2014 Sep 30, 2014 Coliform (TCR) MR No No — 5% of samples — Resolved Sep 30, 2014 Total Coliform Rule
Aug 1, 2014 Aug 31, 2014 Coliform (TCR) MR No No — 5% of samples — Resolved Aug 31, 2014 Total Coliform Rule
Jul 1, 2014 Jul 31, 2014 Coliform (TCR) MR No No — 5% of samples — Resolved Jul 31, 2014 Total Coliform 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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