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MILES CITY CITY OF

Montana — Community Water System — PWSID: MT0000291

System Information

PWSIDMT0000291
System NameMILES CITY CITY OF
System TypeCommunity Water System
Water SourceSurface Water
Activity StatusActive
Owner TypeLocal
EPA Region08
Serves SchoolNo
WholesalerNo
First ReportedFeb 13, 1979
Last ReportedJan 5, 2026

Location & Contact

StateMontana
CityMILES CITY
ZIP Code59301
AddressPO DRAWER 910
OrganizationSPEELMON, THOMAS A
Phone406-234-1905

Population & Service

Population Served9,565
Service Connections3,724

Drinking Water Violations (80)

This water system has 80 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
Aug 1, 2025 Aug 31, 2025 Long Term 2 Enhanced Surface Water Treatment Rule MR No Yes — — — Archived Aug 31, 2025 Long Term 2 Enhanced Surface Water Treatment Rule
Aug 1, 2025 Aug 31, 2025 Long Term 2 Enhanced Surface Water Treatment Rule MR No Yes — — — Archived Aug 31, 2025 Long Term 2 Enhanced Surface Water Treatment Rule
Jul 1, 2025 Jul 31, 2025 Long Term 2 Enhanced Surface Water Treatment Rule MR No Yes — — — Archived Jul 31, 2025 Long Term 2 Enhanced Surface Water Treatment Rule
Jul 1, 2025 Jul 31, 2025 Long Term 2 Enhanced Surface Water Treatment Rule MR No Yes — — — Archived Jul 31, 2025 Long Term 2 Enhanced Surface Water Treatment Rule
Aug 1, 2023 Aug 31, 2023 Surface Water Treatment Rule TT Yes No — — — Archived Aug 31, 2023 Surface Water Treatment Rule
Aug 1, 2023 Aug 31, 2023 Surface Water Treatment Rule TT Yes No — — — Archived Aug 31, 2023 Surface Water Treatment Rule
Aug 1, 2023 Aug 31, 2023 Surface Water Treatment Rule TT Yes No — — — Archived Aug 31, 2023 Surface Water Treatment Rule
Aug 1, 2023 Aug 31, 2023 Surface Water Treatment Rule TT Yes No — — — Archived Aug 31, 2023 Surface Water Treatment Rule
Aug 1, 2023 Aug 31, 2023 Surface Water Treatment Rule TT Yes No — — — Archived Aug 31, 2023 Surface Water Treatment Rule
Aug 1, 2023 Aug 31, 2023 Surface Water Treatment Rule TT Yes No — — — Archived Aug 31, 2023 Surface Water Treatment Rule
Dec 1, 2022 Dec 31, 2022 Surface Water Treatment Rule MR No Yes — — — Resolved Dec 31, 2022 Surface Water Treatment Rule
Dec 1, 2022 Dec 31, 2022 Surface Water Treatment Rule MR No Yes — — — Resolved Dec 31, 2022 Surface Water Treatment Rule
Dec 1, 2022 Dec 31, 2022 Surface Water Treatment Rule MR No Yes — — — Resolved Dec 31, 2022 Surface Water Treatment Rule
Dec 1, 2022 Dec 31, 2022 Surface Water Treatment Rule MR No Yes — — — Resolved Dec 31, 2022 Surface Water Treatment Rule
Sep 1, 2022 Sep 30, 2022 Surface Water Treatment Rule TT Yes No — — — Resolved Sep 30, 2022 Surface Water Treatment Rule
Sep 1, 2022 Sep 30, 2022 Surface Water Treatment Rule TT Yes No — — — Resolved Sep 30, 2022 Surface Water Treatment Rule
Sep 1, 2022 Sep 30, 2022 Surface Water Treatment Rule TT Yes No — — — Resolved Sep 30, 2022 Surface Water Treatment Rule
Sep 1, 2022 Sep 30, 2022 Surface Water Treatment Rule TT Yes No — — — Resolved Sep 30, 2022 Surface Water Treatment Rule
Aug 1, 2022 Aug 31, 2022 Surface Water Treatment Rule TT Yes No — — — Resolved Aug 31, 2022 Surface Water Treatment Rule
Aug 1, 2022 Aug 31, 2022 Surface Water Treatment Rule TT Yes No — — — Resolved Aug 31, 2022 Surface Water Treatment Rule
Aug 1, 2022 Aug 31, 2022 Surface Water Treatment Rule TT Yes No — — — Resolved Aug 31, 2022 Surface Water Treatment Rule
Aug 1, 2022 Aug 31, 2022 Surface Water Treatment Rule TT Yes No — — — Resolved Aug 31, 2022 Surface Water Treatment Rule
Jul 1, 2018 — Consumer Confidence Rule Other No No — — — Resolved Jul 20, 2018 Consumer Confidence Rule
Jul 1, 2018 — Consumer Confidence Rule Other No No — — — Resolved Jul 20, 2018 Consumer Confidence Rule
Aug 1, 2005 Aug 31, 2005 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Aug 31, 2005 Total Coliform Rule
Aug 1, 2005 Aug 31, 2005 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Aug 31, 2005 Total Coliform Rule
Aug 1, 2005 Aug 31, 2005 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Aug 31, 2005 Total Coliform Rule
Aug 1, 2005 Aug 31, 2005 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Aug 31, 2005 Total Coliform Rule
Jun 1, 1998 Jun 30, 1998 Coliform (TCR) MR No No — 5% of samples — Resolved Jun 30, 1998 Total Coliform Rule
Jan 1, 1998 Jan 31, 1998 Coliform (TCR) MR No No — 5% of samples — Resolved Jan 31, 1998 Total Coliform Rule
Jan 1, 1997 Dec 31, 1997 Benzene MR No Yes — 0.005 mg/L — Resolved Dec 31, 1997 Volatile Organic Chemicals
Jan 1, 1997 Dec 31, 1997 Xylenes, Total MR No Yes — 10 mg/L — Resolved Dec 31, 1997 Volatile Organic Chemicals
Jan 1, 1997 Dec 31, 1997 cis-1,2-Dichloroethylene MR No Yes — 0.07 mg/L — Resolved Dec 31, 1997 Volatile Organic Chemicals
Jan 1, 1997 Dec 31, 1997 p-Dichlorobenzene MR No Yes — 0.075 mg/L — Resolved Dec 31, 1997 Volatile Organic Chemicals
Jan 1, 1997 Dec 31, 1997 p-Dichlorobenzene MR No Yes — 0.075 mg/L — Resolved Dec 31, 1997 Volatile Organic Chemicals
Jan 1, 1997 Dec 31, 1997 Ethylbenzene MR No Yes — 0.7 mg/L — Resolved Dec 31, 1997 Volatile Organic Chemicals
Jan 1, 1997 Dec 31, 1997 Ethylbenzene MR No Yes — 0.7 mg/L — Resolved Dec 31, 1997 Volatile Organic Chemicals
Jan 1, 1997 Dec 31, 1997 1,1,2-Trichloroethane MR No Yes — 0.005 mg/L — Resolved Dec 31, 1997 Volatile Organic Chemicals
Jan 1, 1997 Dec 31, 1997 1,1,2-Trichloroethane MR No Yes — 0.005 mg/L — Resolved Dec 31, 1997 Volatile Organic Chemicals
Jan 1, 1997 Dec 31, 1997 1,2-Dichloropropane MR No Yes — 0.005 mg/L — Resolved Dec 31, 1997 Volatile Organic Chemicals
Jan 1, 1997 Dec 31, 1997 1,2-Dichloropropane MR No Yes — 0.005 mg/L — Resolved Dec 31, 1997 Volatile Organic Chemicals
Jan 1, 1997 Dec 31, 1997 1,2-Dichloroethane MR No Yes — 0.005 mg/L — Resolved Dec 31, 1997 Volatile Organic Chemicals
Jan 1, 1997 Dec 31, 1997 cis-1,2-Dichloroethylene MR No Yes — 0.07 mg/L — Resolved Dec 31, 1997 Volatile Organic Chemicals
Jan 1, 1997 Dec 31, 1997 Carbon tetrachloride MR No Yes — 0.005 mg/L — Resolved Dec 31, 1997 Volatile Organic Chemicals
Jan 1, 1997 Dec 31, 1997 Carbon tetrachloride MR No Yes — 0.005 mg/L — Resolved Dec 31, 1997 Volatile Organic Chemicals
Jan 1, 1997 Dec 31, 1997 o-Dichlorobenzene MR No Yes — 0.6 mg/L — Resolved Dec 31, 1997 Volatile Organic Chemicals
Jan 1, 1997 Dec 31, 1997 o-Dichlorobenzene MR No Yes — 0.6 mg/L — Resolved Dec 31, 1997 Volatile Organic Chemicals
Jan 1, 1997 Dec 31, 1997 Tetrachloroethylene MR No Yes — 0.005 mg/L — Resolved Dec 31, 1997 Volatile Organic Chemicals
Jan 1, 1997 Dec 31, 1997 Tetrachloroethylene MR No Yes — 0.005 mg/L — Resolved Dec 31, 1997 Volatile Organic Chemicals
Jan 1, 1997 Dec 31, 1997 1,2-Dichloroethane MR No Yes — 0.005 mg/L — Resolved Dec 31, 1997 Volatile Organic Chemicals

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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