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Ramah-Sunset Valley RNUA

New Mexico — Community Water System — PWSID: NN3500279

System Information

PWSIDNN3500279
System NameRamah-Sunset Valley RNUA
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

StateNew Mexico
CityPinehill
ZIP Code87357
AddressPO Box 207
OrganizationRamah Navajo School Board, Inc.
Phone5057750137

Population & Service

Population Served294
Service Connections78

Drinking Water Violations (551)

This water system has 551 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 — Revised Total Coliform Rule RPT No No — — — Unaddressed — Revised Total Coliform Rule
Jun 1, 2025 — Revised Total Coliform Rule RPT No No — — — Unaddressed — Revised Total Coliform Rule
May 1, 2025 — Revised Total Coliform Rule RPT No No — — — Unaddressed — Revised Total Coliform Rule
Apr 1, 2025 — Revised Total Coliform Rule RPT No No — — — Unaddressed — Revised Total Coliform Rule
Mar 1, 2025 — Public Notice Other No No — — — Unaddressed — Public Notice Rule and Revised PN Rule
Mar 1, 2025 Mar 31, 2025 Revised Total Coliform Rule MON No Yes — — — Archived Mar 31, 2025 Revised Total Coliform Rule
Jul 1, 2024 — Consumer Confidence Rule Other No No — — — Resolved May 9, 2025 Consumer Confidence Rule
Jan 1, 2024 Dec 31, 2024 Nitrite MR No Yes — 1 mg/L — Archived Dec 31, 2024 Nitrate Rule
Jan 1, 2024 Dec 31, 2024 Nitrate MR No Yes — 10 mg/L — Archived Dec 31, 2024 Nitrate Rule
Jul 1, 2022 — Consumer Confidence Rule Other No No — — — Resolved Dec 28, 2022 Consumer Confidence Rule
Feb 1, 2022 Feb 28, 2022 Revised Total Coliform Rule MON No Yes — — — Resolved Feb 28, 2022 Revised Total Coliform Rule
Feb 1, 2022 — Public Notice Other No No — — — Resolved Jul 24, 2023 Public Notice Rule and Revised PN Rule
Feb 1, 2022 — Public Notice Other No No — — — Resolved Jul 24, 2023 Public Notice Rule and Revised PN Rule
Jan 1, 2022 Jan 31, 2022 Revised Total Coliform Rule MON No Yes — — — Resolved Jan 31, 2022 Revised Total Coliform Rule
Jan 1, 2022 — Public Notice Other No No — — — Resolved Jul 24, 2023 Public Notice Rule and Revised PN Rule
Jan 1, 2022 — Public Notice Other No No — — — Resolved Jul 24, 2023 Public Notice Rule and Revised PN Rule
Nov 1, 2021 Nov 30, 2021 Revised Total Coliform Rule MON No Yes — — — Resolved Nov 30, 2021 Revised Total Coliform Rule
Oct 1, 2021 Oct 31, 2021 Revised Total Coliform Rule MON No Yes — — — Resolved Oct 31, 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 Sep 30, 2021 Revised Total Coliform Rule MON No Yes — — — Resolved Sep 30, 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 Sep 30, 2021 Revised Total Coliform Rule MON No Yes — — — Resolved Sep 30, 2021 Revised Total Coliform Rule
Aug 1, 2021 Aug 31, 2021 Revised Total Coliform Rule MON No Yes — — — Resolved Aug 31, 2021 Revised Total Coliform Rule
Aug 1, 2021 Aug 31, 2021 Revised Total Coliform Rule MON No Yes — — — Resolved Aug 31, 2021 Revised Total Coliform Rule
Aug 1, 2021 Aug 31, 2021 Revised Total Coliform Rule MON No Yes — — — Resolved Aug 31, 2021 Revised Total Coliform Rule
Aug 1, 2021 Aug 31, 2021 Revised Total Coliform Rule MON No Yes — — — Resolved Aug 31, 2021 Revised Total Coliform Rule
Jul 1, 2021 Jul 31, 2021 Revised Total Coliform Rule MON No Yes — — — Resolved Jul 31, 2021 Revised Total Coliform Rule
Jul 1, 2021 — Consumer Confidence Rule Other No No — — — Resolved Mar 23, 2022 Consumer Confidence Rule
Jul 1, 2021 Jul 31, 2021 Revised Total Coliform Rule MON No Yes — — — Resolved Jul 31, 2021 Revised Total Coliform Rule
Jul 1, 2021 — Consumer Confidence Rule Other No No — — — Resolved Mar 23, 2022 Consumer Confidence Rule
Jul 1, 2021 Jul 31, 2021 Revised Total Coliform Rule MON No Yes — — — Resolved Jul 31, 2021 Revised Total Coliform Rule
Jul 1, 2021 — Consumer Confidence Rule Other No No — — — Resolved Mar 23, 2022 Consumer Confidence Rule
Jul 1, 2021 Jul 31, 2021 Revised Total Coliform Rule MON No Yes — — — Resolved Jul 31, 2021 Revised Total Coliform Rule
Jun 1, 2021 — Revised Total Coliform Rule RPT No No — — — Resolved Aug 20, 2021 Revised Total Coliform Rule
May 1, 2021 — Revised Total Coliform Rule RPT No No — — — Resolved Aug 20, 2021 Revised Total Coliform Rule
Apr 1, 2021 — Revised Total Coliform Rule RPT No No — — — Resolved Aug 19, 2021 Revised Total Coliform Rule
Mar 1, 2021 Mar 31, 2021 Revised Total Coliform Rule MON No Yes — — — Resolved Mar 31, 2021 Revised Total Coliform Rule
Feb 1, 2021 Feb 28, 2021 Revised Total Coliform Rule MON No Yes — — — Resolved Feb 28, 2021 Revised Total Coliform Rule
Jan 1, 2021 Dec 31, 2021 Nitrate MR No Yes — 10 mg/L — Resolved Dec 31, 2021 Nitrate Rule
Jan 1, 2021 Dec 31, 2021 Nitrite MR No Yes — 1 mg/L — Resolved Dec 31, 2021 Nitrate Rule
Jan 1, 2021 Dec 31, 2021 Nitrite MR No Yes — 1 mg/L — Resolved Dec 31, 2021 Nitrate Rule
Jan 1, 2021 Dec 31, 2021 Nitrite MR No Yes — 1 mg/L — Resolved Dec 31, 2021 Nitrate Rule
Jan 1, 2021 Jan 31, 2021 Revised Total Coliform Rule MON No Yes — — — Resolved Jan 31, 2021 Revised Total Coliform Rule
Jan 1, 2021 Dec 31, 2021 Nitrate MR No Yes — 10 mg/L — Resolved Dec 31, 2021 Nitrate Rule
Jan 1, 2021 Dec 31, 2021 Nitrate MR No Yes — 10 mg/L — Resolved Dec 31, 2021 Nitrate Rule
Dec 1, 2020 — Revised Total Coliform Rule RPT No No — — — Resolved Feb 2, 2021 Revised Total Coliform Rule
Nov 1, 2020 — Revised Total Coliform Rule RPT No No — — — Resolved Feb 2, 2021 Revised Total Coliform Rule
Oct 1, 2020 — Revised Total Coliform Rule RPT No No — — — Resolved Feb 2, 2021 Revised Total Coliform Rule
Sep 1, 2020 — Revised Total Coliform Rule RPT No No — — — Resolved Oct 23, 2020 Revised 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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