PIEGAN BORDER STATION

Montana — Community Water System — PWSID: MT0003334

System Information

PWSIDMT0003334
System NamePIEGAN BORDER STATION
System TypeCommunity Water System
Water SourceSurface Water
Activity StatusActive
Owner TypeFederal
EPA Region08
Serves SchoolNo
WholesalerNo
First ReportedDec 28, 1988
Last ReportedJan 5, 2026

Location & Contact

StateMontana
CityHELENA
ZIP Code59626
Address901 FRONT STREET Ste 2300
OrganizationHILL, DANIEL
Phone406-431-3388

Population & Service

Population Served94
Service Connections21

Drinking Water Violations (1,078)

This water system has 1,078 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
Jan 1, 2025 Dec 31, 2025 TTHM MR No Yes 0.080 mg/L Unaddressed Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2025 Jan 31, 2025 Revised Total Coliform Rule MON No Yes Resolved Jan 31, 2025 Revised Total Coliform Rule
Jan 1, 2025 Jan 31, 2025 Revised Total Coliform Rule MON No Yes Resolved Jan 31, 2025 Revised Total Coliform Rule
Jan 1, 2025 Dec 31, 2025 Total Haloacetic Acids (HAA5) MR No Yes 0.060 mg/L Unaddressed Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2025 Dec 31, 2025 TTHM MR No Yes 0.080 mg/L Unaddressed Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2025 Jan 31, 2025 Revised Total Coliform Rule MON No Yes Resolved Jan 31, 2025 Revised Total Coliform Rule
Jan 1, 2025 Dec 31, 2025 Total Haloacetic Acids (HAA5) MR No Yes 0.060 mg/L Unaddressed Stage 2 Disinfectants and Disinfection Byproducts Rule
Dec 30, 2024 Lead and Copper Rule MR No No TT Resolved Feb 4, 2025 Lead and Copper Rule
Dec 30, 2024 Lead and Copper Rule MR No No TT Resolved Feb 4, 2025 Lead and Copper Rule
Jul 1, 2022 Consumer Confidence Rule Other No No Resolved Jul 26, 2022 Consumer Confidence Rule
Jul 1, 2022 Consumer Confidence Rule Other No No Resolved Jul 26, 2022 Consumer Confidence Rule
Jan 1, 2018 Dec 31, 2018 DICHLOROMETHANE MR No Yes 0.005 mg/L Resolved Dec 31, 2018 Volatile Organic Chemicals
Jan 1, 2018 Dec 31, 2018 1,2-Dichloropropane MR No Yes 0.005 mg/L Resolved Dec 31, 2018 Volatile Organic Chemicals
Jan 1, 2018 Dec 31, 2018 1,1-Dichloroethylene MR No Yes 0.007 mg/L Resolved Dec 31, 2018 Volatile Organic Chemicals
Jan 1, 2018 Dec 31, 2018 1,1-Dichloroethylene MR No Yes 0.007 mg/L Resolved Dec 31, 2018 Volatile Organic Chemicals
Jan 1, 2018 Dec 31, 2018 trans-1,2-Dichloroethylene MR No Yes 0.1 mg/L Resolved Dec 31, 2018 Volatile Organic Chemicals
Jan 1, 2018 Dec 31, 2018 Xylenes, Total MR No Yes 10 mg/L Resolved Dec 31, 2018 Volatile Organic Chemicals
Jan 1, 2018 Dec 31, 2018 o-Dichlorobenzene MR No Yes 0.6 mg/L Resolved Dec 31, 2018 Volatile Organic Chemicals
Jan 1, 2018 Dec 31, 2018 Tetrachloroethylene MR No Yes 0.005 mg/L Resolved Dec 31, 2018 Volatile Organic Chemicals
Jan 1, 2018 Dec 31, 2018 trans-1,2-Dichloroethylene MR No Yes 0.1 mg/L Resolved Dec 31, 2018 Volatile Organic Chemicals
Jan 1, 2018 Dec 31, 2018 1,1,1-Trichloroethane MR No Yes 0.2 mg/L Resolved Dec 31, 2018 Volatile Organic Chemicals
Jan 1, 2018 Dec 31, 2018 trans-1,2-Dichloroethylene MR No Yes 0.1 mg/L Resolved Dec 31, 2018 Volatile Organic Chemicals
Jan 1, 2018 Dec 31, 2018 Xylenes, Total MR No Yes 10 mg/L Resolved Dec 31, 2018 Volatile Organic Chemicals
Jan 1, 2018 Dec 31, 2018 1,2-Dichloropropane MR No Yes 0.005 mg/L Resolved Dec 31, 2018 Volatile Organic Chemicals
Jan 1, 2018 Dec 31, 2018 1,2-Dichloroethane MR No Yes 0.005 mg/L Resolved Dec 31, 2018 Volatile Organic Chemicals
Jan 1, 2018 Dec 31, 2018 1,2-Dichloroethane MR No Yes 0.005 mg/L Resolved Dec 31, 2018 Volatile Organic Chemicals
Jan 1, 2018 Dec 31, 2018 1,2-Dichloropropane MR No Yes 0.005 mg/L Resolved Dec 31, 2018 Volatile Organic Chemicals
Jan 1, 2018 Dec 31, 2018 o-Dichlorobenzene MR No Yes 0.6 mg/L Resolved Dec 31, 2018 Volatile Organic Chemicals
Jan 1, 2018 Dec 31, 2018 Carbon tetrachloride MR No Yes 0.005 mg/L Resolved Dec 31, 2018 Volatile Organic Chemicals
Jan 1, 2018 Dec 31, 2018 Trichloroethylene MR No Yes 0.005 mg/L Resolved Dec 31, 2018 Volatile Organic Chemicals
Jan 1, 2018 Dec 31, 2018 Tetrachloroethylene MR No Yes 0.005 mg/L Resolved Dec 31, 2018 Volatile Organic Chemicals
Jan 1, 2018 Dec 31, 2018 1,1,2-Trichloroethane MR No Yes 0.005 mg/L Resolved Dec 31, 2018 Volatile Organic Chemicals
Jan 1, 2018 Dec 31, 2018 1,1-Dichloroethylene MR No Yes 0.007 mg/L Resolved Dec 31, 2018 Volatile Organic Chemicals
Jan 1, 2018 Dec 31, 2018 Xylenes, Total MR No Yes 10 mg/L Resolved Dec 31, 2018 Volatile Organic Chemicals
Jan 1, 2018 Dec 31, 2018 Trichloroethylene MR No Yes 0.005 mg/L Resolved Dec 31, 2018 Volatile Organic Chemicals
Jan 1, 2018 Dec 31, 2018 CHLOROBENZENE MR No Yes 0.1 mg/L Resolved Dec 31, 2018 Volatile Organic Chemicals
Jan 1, 2018 Dec 31, 2018 Carbon tetrachloride MR No Yes 0.005 mg/L Resolved Dec 31, 2018 Volatile Organic Chemicals
Jan 1, 2018 Dec 31, 2018 1,2-Dichloroethane MR No Yes 0.005 mg/L Resolved Dec 31, 2018 Volatile Organic Chemicals
Jan 1, 2018 Dec 31, 2018 1,1,2-Trichloroethane MR No Yes 0.005 mg/L Resolved Dec 31, 2018 Volatile Organic Chemicals
Jan 1, 2018 Dec 31, 2018 1,1,2-Trichloroethane MR No Yes 0.005 mg/L Resolved Dec 31, 2018 Volatile Organic Chemicals
Jan 1, 2018 Dec 31, 2018 Carbon tetrachloride MR No Yes 0.005 mg/L Resolved Dec 31, 2018 Volatile Organic Chemicals
Jan 1, 2018 Dec 31, 2018 1,1,1-Trichloroethane MR No Yes 0.2 mg/L Resolved Dec 31, 2018 Volatile Organic Chemicals
Jan 1, 2018 Dec 31, 2018 DICHLOROMETHANE MR No Yes 0.005 mg/L Resolved Dec 31, 2018 Volatile Organic Chemicals
Jan 1, 2018 Dec 31, 2018 Trichloroethylene MR No Yes 0.005 mg/L Resolved Dec 31, 2018 Volatile Organic Chemicals
Jan 1, 2018 Dec 31, 2018 DICHLOROMETHANE MR No Yes 0.005 mg/L Resolved Dec 31, 2018 Volatile Organic Chemicals
Jan 1, 2018 Dec 31, 2018 1,1,1-Trichloroethane MR No Yes 0.2 mg/L Resolved Dec 31, 2018 Volatile Organic Chemicals
Jan 1, 2018 Dec 31, 2018 o-Dichlorobenzene MR No Yes 0.6 mg/L Resolved Dec 31, 2018 Volatile Organic Chemicals
Jan 1, 2018 Dec 31, 2018 Tetrachloroethylene MR No Yes 0.005 mg/L Resolved Dec 31, 2018 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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