RIMROCK COLONY

Montana — Community Water System — PWSID: MT0001783

System Information

PWSIDMT0001783
System NameRIMROCK COLONY
System TypeCommunity Water System
Water SourceGround Water
Activity StatusActive
Owner TypePrivate
EPA Region08
Serves SchoolNo
WholesalerNo
First ReportedMar 5, 1980
Last ReportedJan 5, 2026

Location & Contact

StateMontana
CitySUNBURST
ZIP Code59482
AddressPO BOX 159
OrganizationWURZ, STEVE J
Phone406-952-6746

Population & Service

Population Served124
Service Connections8

Drinking Water Violations (7)

This water system has 7 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 20, 2023 E. COLI MR No Yes Resolved Nov 6, 2023 Ground Water Rule
Sep 20, 2023 E. COLI MR No Yes Resolved Nov 6, 2023 Ground Water Rule
Sep 20, 2023 E. COLI MR No Yes Resolved Nov 6, 2023 Ground Water Rule
Dec 1, 2020 Dec 31, 2020 Revised Total Coliform Rule MON No Yes Resolved Dec 31, 2020 Revised Total Coliform Rule
Dec 1, 2020 Dec 31, 2020 Revised Total Coliform Rule MON No Yes Resolved Dec 31, 2020 Revised Total Coliform Rule
Dec 1, 2020 Dec 31, 2020 Revised Total Coliform Rule MON No Yes Resolved Dec 31, 2020 Revised Total Coliform Rule
Jul 1, 1992 Jul 31, 1992 Coliform (TCR) MR No No 5% of samples Resolved Jul 31, 1992 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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