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JEFFERSON HILLS WUA

Montana — Community Water System — PWSID: MT0002978

System Information

PWSIDMT0002978
System NameJEFFERSON HILLS WUA
System TypeCommunity Water System
Water SourceGround Water
Activity StatusActive
Owner TypePrivate
EPA Region08
Serves SchoolNo
WholesalerNo
First ReportedJan 29, 1985
Last ReportedJan 5, 2026

Location & Contact

StateMontana
CityHELENA
ZIP Code59601
Address2047 N LAST CHANCE GULCH NO 330
OrganizationQUIGLEY, DUNCAN J
Phone406-422-9194

Population & Service

Population Served780
Service Connections72

Drinking Water Violations (170)

This water system has 170 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
Dec 30, 2024 — Lead and Copper Rule MR No No — TT — Unaddressed — Lead and Copper Rule
Jul 1, 2023 — Consumer Confidence Rule Other No No — — — Resolved Aug 14, 2023 Consumer Confidence Rule
Jul 1, 2023 — Consumer Confidence Rule Other No No — — — Resolved Aug 14, 2023 Consumer Confidence Rule
Jun 3, 2023 — Revised Total Coliform Rule TT Yes No — — — Resolved Mar 28, 2024 Revised Total Coliform Rule
Jun 3, 2023 — Revised Total Coliform Rule TT Yes No — — — Resolved Mar 28, 2024 Revised Total Coliform Rule
Jun 3, 2023 — Revised Total Coliform Rule TT Yes No — — — Resolved Mar 28, 2024 Revised Total Coliform Rule
Jul 1, 2022 — Consumer Confidence Rule Other No No — — — Resolved Jul 21, 2022 Consumer Confidence Rule
Jul 1, 2022 — Consumer Confidence Rule Other No No — — — Resolved Jul 21, 2022 Consumer Confidence Rule
Nov 18, 2020 — E. COLI MR No Yes — — — Resolved Dec 7, 2020 Ground Water Rule
Nov 18, 2020 — E. COLI MR No Yes — — — Resolved Dec 7, 2020 Ground Water Rule
Nov 18, 2020 — E. COLI MR No Yes — — — Resolved Dec 7, 2020 Ground Water Rule
Jan 1, 2020 Dec 31, 2022 CYANIDE MR No Yes — 0.2 mg/L — Resolved Dec 31, 2022 Inorganic Chemicals
Jan 1, 2020 Dec 31, 2022 Total Polychlorinated Biphenyls (PCB) MR No Yes — 0.0005 mg/L — Resolved Dec 31, 2022 Synthetic Organic Chemicals
Jan 1, 2020 Dec 31, 2022 1,2-DIBROMO-3-CHLOROPROPANE MR No Yes — 0.0002 mg/L — Resolved Dec 31, 2022 Synthetic Organic Chemicals
Jan 1, 2020 Dec 31, 2022 1,2-DIBROMO-3-CHLOROPROPANE MR No Yes — 0.0002 mg/L — Resolved Dec 31, 2022 Synthetic Organic Chemicals
Jan 1, 2020 Dec 31, 2022 Diquat MR No Yes — 0.02 mg/L — Resolved Dec 31, 2022 Synthetic Organic Chemicals
Jan 1, 2020 Dec 31, 2022 ETHYLENE DIBROMIDE MR No Yes — 0.00005 mg/L — Resolved Dec 31, 2022 Synthetic Organic Chemicals
Jan 1, 2020 Dec 31, 2022 CYANIDE MR No Yes — 0.2 mg/L — Resolved Dec 31, 2022 Inorganic Chemicals
Jan 1, 2020 Dec 31, 2022 Diquat MR No Yes — 0.02 mg/L — Resolved Dec 31, 2022 Synthetic Organic Chemicals
Jan 1, 2020 Dec 31, 2022 Glyphosate MR No Yes — 0.7 mg/L — Resolved Dec 31, 2022 Synthetic Organic Chemicals
Jan 1, 2020 Dec 31, 2022 Glyphosate MR No Yes — 0.7 mg/L — Resolved Dec 31, 2022 Synthetic Organic Chemicals
Jan 1, 2020 Dec 31, 2022 Endothall MR No Yes — 0.1 mg/L — Resolved Dec 31, 2022 Synthetic Organic Chemicals
Jan 1, 2020 Dec 31, 2022 ETHYLENE DIBROMIDE MR No Yes — 0.00005 mg/L — Resolved Dec 31, 2022 Synthetic Organic Chemicals
Jan 1, 2020 Dec 31, 2022 Total Polychlorinated Biphenyls (PCB) MR No Yes — 0.0005 mg/L — Resolved Dec 31, 2022 Synthetic Organic Chemicals
Jan 1, 2020 Dec 31, 2022 Endothall MR No Yes — 0.1 mg/L — Resolved Dec 31, 2022 Synthetic Organic Chemicals
Jan 1, 2020 Dec 31, 2022 Endothall MR No Yes — 0.1 mg/L — Resolved Dec 31, 2022 Synthetic Organic Chemicals
Jan 1, 2020 Dec 31, 2022 ETHYLENE DIBROMIDE MR No Yes — 0.00005 mg/L — Resolved Dec 31, 2022 Synthetic Organic Chemicals
Jan 1, 2020 Dec 31, 2022 Glyphosate MR No Yes — 0.7 mg/L — Resolved Dec 31, 2022 Synthetic Organic Chemicals
Jan 1, 2020 Dec 31, 2022 Total Polychlorinated Biphenyls (PCB) MR No Yes — 0.0005 mg/L — Resolved Dec 31, 2022 Synthetic Organic Chemicals
Jan 1, 2020 Dec 31, 2022 1,2-DIBROMO-3-CHLOROPROPANE MR No Yes — 0.0002 mg/L — Resolved Dec 31, 2022 Synthetic Organic Chemicals
Jan 1, 2020 Dec 31, 2022 Diquat MR No Yes — 0.02 mg/L — Resolved Dec 31, 2022 Synthetic Organic Chemicals
Jan 1, 2020 Dec 31, 2022 CYANIDE MR No Yes — 0.2 mg/L — Resolved Dec 31, 2022 Inorganic Chemicals
Jul 1, 2013 Jul 31, 2013 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Jul 31, 2013 Total Coliform Rule
Jul 1, 2013 Jul 31, 2013 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Jul 31, 2013 Total Coliform Rule
Jul 1, 2013 Jul 31, 2013 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Jul 31, 2013 Total Coliform Rule
Jul 1, 2013 Jul 31, 2013 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Jul 31, 2013 Total Coliform Rule
Jul 1, 2013 Jul 31, 2013 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Jul 31, 2013 Total Coliform Rule
Jan 1, 2011 Dec 31, 2013 Hexachlorocyclopentadiene MR No Yes — 0.05 mg/L — Resolved Dec 22, 2011 Synthetic Organic Chemicals
Jan 1, 2011 Dec 31, 2013 Dinoseb MR No Yes — 0.007 mg/L — Resolved Dec 22, 2011 Synthetic Organic Chemicals
Jan 1, 2011 Dec 31, 2013 Dinoseb MR No Yes — 0.007 mg/L — Resolved Dec 22, 2011 Synthetic Organic Chemicals
Jan 1, 2011 Dec 31, 2013 Dinoseb MR No Yes — 0.007 mg/L — Resolved Dec 22, 2011 Synthetic Organic Chemicals
Jan 1, 2011 Dec 31, 2013 Dalapon MR No Yes — 0.2 mg/L — Resolved Dec 22, 2011 Synthetic Organic Chemicals
Jan 1, 2011 Dec 31, 2013 Toxaphene MR No Yes — 0.003 mg/L — Resolved Dec 22, 2011 Synthetic Organic Chemicals
Jan 1, 2011 Dec 31, 2013 Toxaphene MR No Yes — 0.003 mg/L — Resolved Dec 22, 2011 Synthetic Organic Chemicals
Jan 1, 2011 Dec 31, 2013 Toxaphene MR No Yes — 0.003 mg/L — Resolved Dec 22, 2011 Synthetic Organic Chemicals
Jan 1, 2011 Dec 31, 2013 Toxaphene MR No Yes — 0.003 mg/L — Resolved Dec 22, 2011 Synthetic Organic Chemicals
Jan 1, 2011 Dec 31, 2013 Methoxychlor MR No Yes — 0.04 mg/L — Resolved Dec 22, 2011 Synthetic Organic Chemicals
Jan 1, 2011 Dec 31, 2013 Methoxychlor MR No Yes — 0.04 mg/L — Resolved Dec 22, 2011 Synthetic Organic Chemicals
Jan 1, 2011 Dec 31, 2013 Methoxychlor MR No Yes — 0.04 mg/L — Resolved Dec 22, 2011 Synthetic Organic Chemicals
Jan 1, 2011 Dec 31, 2013 Aldicarb sulfoxide MR No Yes — — — Resolved Dec 22, 2011 Synthetic 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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