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WINNETT TOWN OF

Montana — Community Water System — PWSID: MT0000364

System Information

PWSIDMT0000364
System NameWINNETT TOWN OF
System TypeCommunity Water System
Water SourceGround Water
Activity StatusActive
Owner TypeLocal
EPA Region08
Serves SchoolNo
WholesalerNo
First ReportedFeb 13, 1979
Last ReportedJan 5, 2026

Location & Contact

StateMontana
CityWINNETT
ZIP Code59087
AddressPO BOX 225
OrganizationMOORE, SAVANNAH
Phone406-429-5451

Population & Service

Population Served187
Service Connections138

Drinking Water Violations (996)

This water system has 996 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
Oct 1, 2025 — Lead and Copper Rule MR No No — TT — Unaddressed — Lead and Copper Rule
Oct 1, 2025 — Lead and Copper Rule MR No No — TT — Unaddressed — Lead and Copper Rule
Jul 1, 2024 — Consumer Confidence Rule Other No No — — — Resolved Aug 5, 2024 Consumer Confidence Rule
Jul 1, 2024 — Consumer Confidence Rule Other No No — — — Resolved Aug 5, 2024 Consumer Confidence Rule
Jan 1, 2024 Dec 31, 2024 Nitrate-Nitrite MR No Yes — — — Resolved Dec 31, 2024 Nitrate Rule
Jan 1, 2024 Dec 31, 2024 Nitrate-Nitrite MR No Yes — — — Resolved Dec 31, 2024 Nitrate Rule
Jan 1, 2024 Dec 31, 2024 Nitrate-Nitrite MR No Yes — — — Resolved Dec 31, 2024 Nitrate Rule
Jan 1, 2024 Dec 31, 2024 Nitrate-Nitrite MR No Yes — — — Resolved Dec 31, 2024 Nitrate Rule
Jan 1, 2023 Dec 31, 2025 TTHM MR No Yes — 0.080 mg/L — Unaddressed — Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2023 Dec 31, 2025 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Unaddressed — Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2023 Dec 31, 2025 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Unaddressed — Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2023 Dec 31, 2025 TTHM MR No Yes — 0.080 mg/L — Unaddressed — Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2023 Dec 31, 2025 TTHM MR No Yes — 0.080 mg/L — Unaddressed — Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2023 Dec 31, 2025 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Unaddressed — Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2020 Dec 31, 2022 cis-1,2-Dichloroethylene MR No Yes — 0.07 mg/L — Resolved Dec 30, 2022 Volatile Organic Chemicals
Jan 1, 2020 Dec 31, 2022 Barium MR No Yes — 2 mg/L — Resolved Aug 22, 2022 Inorganic Chemicals
Jan 1, 2020 Dec 31, 2022 Barium MR No Yes — 2 mg/L — Resolved Aug 22, 2022 Inorganic Chemicals
Jan 1, 2020 Dec 31, 2022 Barium MR No Yes — 2 mg/L — Resolved Aug 22, 2022 Inorganic Chemicals
Jan 1, 2020 Dec 31, 2022 Cadmium MR No Yes — 0.005 mg/L — Resolved Aug 22, 2022 Inorganic Chemicals
Jan 1, 2020 Dec 31, 2022 Cadmium MR No Yes — 0.005 mg/L — Resolved Aug 22, 2022 Inorganic Chemicals
Jan 1, 2020 Dec 31, 2022 Cadmium MR No Yes — 0.005 mg/L — Resolved Aug 22, 2022 Inorganic Chemicals
Jan 1, 2020 Dec 31, 2022 Fluoride MR No Yes — 4.0 mg/L — Resolved Aug 22, 2022 Inorganic Chemicals
Jan 1, 2020 Dec 31, 2022 Fluoride MR No Yes — 4.0 mg/L — Resolved Aug 22, 2022 Inorganic Chemicals
Jan 1, 2020 Dec 31, 2022 Fluoride MR No Yes — 4.0 mg/L — Resolved Aug 22, 2022 Inorganic Chemicals
Jan 1, 2020 Dec 31, 2022 Beryllium, Total MR No Yes — 0.004 mg/L — Resolved Aug 22, 2022 Inorganic Chemicals
Jan 1, 2020 Dec 31, 2022 Beryllium, Total MR No Yes — 0.004 mg/L — Resolved Aug 22, 2022 Inorganic Chemicals
Jan 1, 2020 Dec 31, 2022 cis-1,2-Dichloroethylene MR No Yes — 0.07 mg/L — Resolved Dec 30, 2022 Volatile Organic Chemicals
Jan 1, 2020 Dec 31, 2022 cis-1,2-Dichloroethylene MR No Yes — 0.07 mg/L — Resolved Dec 30, 2022 Volatile Organic Chemicals
Jan 1, 2020 Dec 31, 2022 Beryllium, Total MR No Yes — 0.004 mg/L — Resolved Aug 22, 2022 Inorganic Chemicals
Jan 1, 2020 Dec 31, 2022 Xylenes, Total MR No Yes — 10 mg/L — Resolved Dec 30, 2022 Volatile Organic Chemicals
Jan 1, 2020 Dec 31, 2022 Selenium MR No Yes — 0.05 mg/L — Resolved Aug 22, 2022 Inorganic Chemicals
Jan 1, 2020 Dec 31, 2022 cis-1,2-Dichloroethylene MR No Yes — 0.07 mg/L — Resolved Dec 30, 2022 Volatile Organic Chemicals
Jan 1, 2020 Dec 31, 2022 cis-1,2-Dichloroethylene MR No Yes — 0.07 mg/L — Resolved Dec 30, 2022 Volatile Organic Chemicals
Jan 1, 2020 Dec 31, 2022 Xylenes, Total MR No Yes — 10 mg/L — Resolved Dec 30, 2022 Volatile Organic Chemicals
Jan 1, 2020 Dec 31, 2022 Xylenes, Total MR No Yes — 10 mg/L — Resolved Dec 30, 2022 Volatile Organic Chemicals
Jan 1, 2020 Dec 31, 2022 Xylenes, Total MR No Yes — 10 mg/L — Resolved Dec 30, 2022 Volatile Organic Chemicals
Jan 1, 2020 Dec 31, 2022 Xylenes, Total MR No Yes — 10 mg/L — Resolved Dec 30, 2022 Volatile Organic Chemicals
Jan 1, 2020 Dec 31, 2022 Xylenes, Total MR No Yes — 10 mg/L — Resolved Dec 30, 2022 Volatile Organic Chemicals
Jan 1, 2020 Dec 31, 2022 Xylenes, Total MR No Yes — 10 mg/L — Resolved Dec 30, 2022 Volatile Organic Chemicals
Jan 1, 2020 Dec 31, 2022 Xylenes, Total MR No Yes — 10 mg/L — Resolved Dec 30, 2022 Volatile Organic Chemicals
Jan 1, 2020 Dec 31, 2022 cis-1,2-Dichloroethylene MR No Yes — 0.07 mg/L — Resolved Dec 30, 2022 Volatile Organic Chemicals
Jan 1, 2020 Dec 31, 2022 cis-1,2-Dichloroethylene MR No Yes — 0.07 mg/L — Resolved Dec 30, 2022 Volatile Organic Chemicals
Jan 1, 2020 Dec 31, 2022 cis-1,2-Dichloroethylene MR No Yes — 0.07 mg/L — Resolved Dec 30, 2022 Volatile Organic Chemicals
Jan 1, 2020 Dec 31, 2022 cis-1,2-Dichloroethylene MR No Yes — 0.07 mg/L — Resolved Dec 30, 2022 Volatile Organic Chemicals
Jan 1, 2020 Dec 31, 2022 cis-1,2-Dichloroethylene MR No Yes — 0.07 mg/L — Resolved Dec 30, 2022 Volatile Organic Chemicals
Jan 1, 2020 Dec 31, 2022 cis-1,2-Dichloroethylene MR No Yes — 0.07 mg/L — Resolved Dec 30, 2022 Volatile Organic Chemicals
Jan 1, 2020 Dec 31, 2022 cis-1,2-Dichloroethylene MR No Yes — 0.07 mg/L — Resolved Dec 30, 2022 Volatile Organic Chemicals
Jan 1, 2020 Dec 31, 2022 cis-1,2-Dichloroethylene MR No Yes — 0.07 mg/L — Resolved Dec 30, 2022 Volatile Organic Chemicals
Jan 1, 2020 Dec 31, 2022 Selenium MR No Yes — 0.05 mg/L — Resolved Aug 22, 2022 Inorganic Chemicals
Jan 1, 2020 Dec 31, 2022 cis-1,2-Dichloroethylene MR No Yes — 0.07 mg/L — Resolved Dec 30, 2022 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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