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7 R GUEST RANCH

Montana — Transient Non-Community — PWSID: MT0004383

System Information

PWSIDMT0004383
System Name7 R GUEST RANCH
System TypeTransient Non-Community
Water SourceGround Water
Activity StatusActive
Owner TypePrivate
EPA Region08
Serves SchoolNo
WholesalerNo
First ReportedAug 17, 2004
Last ReportedJan 5, 2026

Location & Contact

StateMontana
CityWOLF CREEK
ZIP Code59648
Address2290 LITTLE WOLF CREEK RD
OrganizationGUNIA, MICHELLE
Phone253-579-6767

Population & Service

Population Served108
Service Connections26

Drinking Water Violations (62)

This water system has 62 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 29, 2025 — E. COLI MR No Yes — — — Unaddressed — Ground Water Rule
Jul 29, 2025 — E. COLI MR No Yes — — — Unaddressed — Ground Water Rule
Nov 1, 2024 — Revised Total Coliform Rule RPT No No — — — Resolved Apr 23, 2025 Revised Total Coliform Rule
Nov 1, 2024 — Revised Total Coliform Rule RPT No No — — — Resolved Apr 23, 2025 Revised Total Coliform Rule
Nov 1, 2024 — Revised Total Coliform Rule RPT No No — — — Resolved Apr 23, 2025 Revised Total Coliform Rule
Jun 1, 2024 Jun 30, 2024 Revised Total Coliform Rule MON No Yes — — — Resolved Jun 30, 2024 Revised Total Coliform Rule
Jun 1, 2024 Jun 30, 2024 Revised Total Coliform Rule MON No Yes — — — Resolved Jun 30, 2024 Revised Total Coliform Rule
Jun 1, 2024 Jun 30, 2024 Revised Total Coliform Rule MON No Yes — — — Resolved Jun 30, 2024 Revised Total Coliform Rule
May 1, 2024 May 31, 2024 Revised Total Coliform Rule MON No Yes — — — Resolved May 31, 2024 Revised Total Coliform Rule
May 1, 2024 May 31, 2024 Revised Total Coliform Rule MON No Yes — — — Resolved May 31, 2024 Revised Total Coliform Rule
May 1, 2024 May 31, 2024 Revised Total Coliform Rule MON No Yes — — — Resolved May 31, 2024 Revised Total Coliform Rule
May 2, 2022 — Revised Total Coliform Rule RPT No No — — — Resolved Apr 11, 2023 Revised Total Coliform Rule
May 2, 2022 — Revised Total Coliform Rule RPT No No — — — Resolved Apr 11, 2023 Revised Total Coliform Rule
May 2, 2022 — Revised Total Coliform Rule RPT No No — — — Resolved Apr 11, 2023 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
Oct 1, 2021 Oct 31, 2021 Revised Total Coliform Rule MON No Yes — — — Resolved Oct 31, 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
May 1, 2021 May 31, 2021 Revised Total Coliform Rule MON No Yes — — — Resolved May 31, 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
May 1, 2021 May 31, 2021 Revised Total Coliform Rule MON No Yes — — — Resolved May 31, 2021 Revised Total Coliform Rule
Jan 1, 2021 Dec 31, 2021 Nitrate-Nitrite MR No Yes — — — Resolved Dec 31, 2021 Nitrate Rule
Jan 1, 2021 Dec 31, 2021 Nitrate-Nitrite MR No Yes — — — Resolved Dec 31, 2021 Nitrate Rule
Jan 1, 2021 Dec 31, 2021 Nitrate-Nitrite MR No Yes — — — Resolved Dec 31, 2021 Nitrate Rule
May 2, 2020 — Revised Total Coliform Rule RPT No No — — — Resolved Aug 5, 2021 Revised Total Coliform Rule
May 2, 2020 — Revised Total Coliform Rule RPT No No — — — Resolved Aug 5, 2021 Revised Total Coliform Rule
May 2, 2020 — Revised Total Coliform Rule RPT No No — — — Resolved Aug 5, 2021 Revised Total Coliform Rule
Jul 1, 2019 Jul 31, 2019 Revised Total Coliform Rule MON No Yes — — — Resolved Jul 31, 2019 Revised Total Coliform Rule
Jul 1, 2019 Jul 31, 2019 Revised Total Coliform Rule MON No Yes — — — Resolved Jul 31, 2019 Revised Total Coliform Rule
Jan 1, 2019 Dec 31, 2019 Nitrate-Nitrite MR No Yes — — — Resolved Dec 31, 2019 Nitrate Rule
Jan 1, 2019 Dec 31, 2019 Nitrate-Nitrite MR No Yes — — — Resolved Dec 31, 2019 Nitrate Rule
Jan 1, 2019 Dec 31, 2019 Nitrate-Nitrite MR No Yes — — — Resolved Dec 31, 2019 Nitrate Rule
Dec 9, 2016 — E. COLI MR No Yes — — — Resolved May 9, 2017 Ground Water Rule
Dec 9, 2016 — E. COLI MR No Yes — — — Resolved May 9, 2017 Ground Water Rule
Dec 9, 2016 — E. COLI MR No Yes — — — Resolved May 9, 2017 Ground Water Rule
Oct 1, 2016 Oct 31, 2016 Revised Total Coliform Rule MON No Yes — — — Resolved Oct 31, 2016 Revised Total Coliform Rule
Oct 1, 2016 Oct 31, 2016 Revised Total Coliform Rule MON No Yes — — — Resolved Oct 31, 2016 Revised Total Coliform Rule
Oct 1, 2016 Oct 31, 2016 Revised Total Coliform Rule MON No Yes — — — Resolved Oct 31, 2016 Revised Total Coliform Rule
Jun 1, 2016 Jun 30, 2016 Revised Total Coliform Rule MON No Yes — — — Resolved Jun 30, 2016 Revised Total Coliform Rule
Jun 1, 2016 Jun 30, 2016 Revised Total Coliform Rule MON No Yes — — — Resolved Jun 30, 2016 Revised Total Coliform Rule
Jun 1, 2016 Jun 30, 2016 Revised Total Coliform Rule MON No Yes — — — Resolved Jun 30, 2016 Revised Total Coliform Rule
Oct 1, 2015 Oct 31, 2015 Coliform (TCR) MR No No — 5% of samples — Resolved Oct 31, 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
Oct 1, 2015 Oct 31, 2015 Coliform (TCR) MR No No — 5% of samples — Resolved Oct 31, 2015 Total Coliform Rule
Sep 17, 2015 — E. COLI MR No Yes — — — Resolved Sep 19, 2016 Ground Water Rule
Sep 17, 2015 — E. COLI MR No Yes — — — Resolved Sep 19, 2016 Ground Water Rule
Sep 17, 2015 — E. COLI MR No Yes — — — Resolved Sep 19, 2016 Ground Water Rule
Sep 1, 2015 Sep 30, 2015 Coliform (TCR) MR No No — 5% of samples — Resolved Sep 30, 2015 Total Coliform Rule
Sep 1, 2015 Sep 30, 2015 Coliform (TCR) MR No No — 5% of samples — Resolved Sep 30, 2015 Total Coliform Rule
Sep 1, 2015 Sep 30, 2015 Coliform (TCR) MR No No — 5% of samples — Resolved Sep 30, 2015 Total Coliform Rule
Aug 1, 2015 Aug 31, 2015 Coliform (TCR) MR No No — 5% of samples — Resolved Aug 31, 2015 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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