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HERON COMMUNITY WATER SYSTEM

Montana — Community Water System — PWSID: MT0000247

System Information

PWSIDMT0000247
System NameHERON COMMUNITY WATER SYSTEM
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
CityHERON
ZIP Code59844
AddressPO BOX 71
OrganizationJENSEN, CLINT
Phone406-847-2333

Population & Service

Population Served84
Service Connections46

Drinking Water Violations (304)

This water system has 304 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, 2020 — Lead and Copper Rule MR No No — TT — Resolved Jan 25, 2021 Lead and Copper Rule
Dec 30, 2020 — Lead and Copper Rule MR No No — TT — Resolved Jan 25, 2021 Lead and Copper Rule
May 1, 2014 May 31, 2014 Coliform (TCR) MCL Yes No — 5% of samples — Resolved May 31, 2014 Total Coliform Rule
May 1, 2014 May 31, 2014 Coliform (TCR) MCL Yes No — 5% of samples — Resolved May 31, 2014 Total Coliform Rule
May 1, 2014 May 31, 2014 Coliform (TCR) MCL Yes No — 5% of samples — Resolved May 31, 2014 Total Coliform Rule
May 1, 2014 May 31, 2014 Coliform (TCR) MCL Yes No — 5% of samples — Resolved May 31, 2014 Total Coliform Rule
May 1, 2014 May 31, 2014 Coliform (TCR) MCL Yes No — 5% of samples — Resolved May 31, 2014 Total Coliform Rule
Jan 1, 2012 — Lead and Copper Rule MR No No — TT — Resolved May 8, 2012 Lead and Copper Rule
Jan 1, 2012 — Lead and Copper Rule MR No No — TT — Resolved May 8, 2012 Lead and Copper Rule
Jan 1, 2011 Dec 31, 2013 Fluoride MR No Yes — 4.0 mg/L — Resolved Dec 12, 2012 Inorganic Chemicals
Jan 1, 2011 Dec 31, 2013 Fluoride MR No Yes — 4.0 mg/L — Resolved Dec 12, 2012 Inorganic Chemicals
Jan 1, 2011 Dec 31, 2013 Arsenic MR No Yes — 0.010 mg/L — Resolved Dec 12, 2012 Arsenic Rule
Jan 1, 2011 Dec 31, 2013 Fluoride MR No Yes — 4.0 mg/L — Resolved Dec 12, 2012 Inorganic Chemicals
Jan 1, 2011 Dec 31, 2013 Arsenic MR No Yes — 0.010 mg/L — Resolved Dec 12, 2012 Arsenic Rule
Jan 1, 2011 Dec 31, 2013 Arsenic MR No Yes — 0.010 mg/L — Resolved Dec 12, 2012 Arsenic Rule
Apr 1, 2008 Jun 30, 2008 Gross Alpha, Excl. Radon and U MR No Yes — 15 pCi/L — Resolved Jun 30, 2008 Radionuclides and Revised Rad Rule
Apr 1, 2008 Jun 30, 2008 Gross Alpha, Excl. Radon and U MR No Yes — 15 pCi/L — Resolved Jun 30, 2008 Radionuclides and Revised Rad Rule
Apr 1, 2008 Jun 30, 2008 Gross Alpha, Excl. Radon and U MR No Yes — 15 pCi/L — Resolved Jun 30, 2008 Radionuclides and Revised Rad Rule
Apr 1, 2008 Jun 30, 2008 Combined Radium (-226 and -228) MR No Yes — 5 pCi/L — Resolved Jun 30, 2008 Radionuclides and Revised Rad Rule
Apr 1, 2008 Jun 30, 2008 Gross Alpha, Excl. Radon and U MR No Yes — 15 pCi/L — Resolved Jun 30, 2008 Radionuclides and Revised Rad Rule
Apr 1, 2008 Jun 30, 2008 Combined Radium (-226 and -228) MR No Yes — 5 pCi/L — Resolved Jun 30, 2008 Radionuclides and Revised Rad Rule
Apr 1, 2008 Jun 30, 2008 Gross Alpha, Excl. Radon and U MR No Yes — 15 pCi/L — Resolved Jun 30, 2008 Radionuclides and Revised Rad Rule
Apr 1, 2008 Jun 30, 2008 Combined Radium (-226 and -228) MR No Yes — 5 pCi/L — Resolved Jun 30, 2008 Radionuclides and Revised Rad Rule
Apr 1, 2008 Jun 30, 2008 Combined Radium (-226 and -228) MR No Yes — 5 pCi/L — Resolved Jun 30, 2008 Radionuclides and Revised Rad Rule
Apr 1, 2008 Jun 30, 2008 Combined Radium (-226 and -228) MR No Yes — 5 pCi/L — Resolved Jun 30, 2008 Radionuclides and Revised Rad Rule
Jan 1, 2008 Mar 31, 2008 Combined Radium (-226 and -228) MR No Yes — 5 pCi/L — Resolved Mar 31, 2008 Radionuclides and Revised Rad Rule
Jan 1, 2008 Mar 31, 2008 Gross Alpha, Excl. Radon and U MR No Yes — 15 pCi/L — Resolved Mar 31, 2008 Radionuclides and Revised Rad Rule
Jan 1, 2008 Mar 31, 2008 Gross Alpha, Excl. Radon and U MR No Yes — 15 pCi/L — Resolved Mar 31, 2008 Radionuclides and Revised Rad Rule
Jan 1, 2008 Mar 31, 2008 Gross Alpha, Excl. Radon and U MR No Yes — 15 pCi/L — Resolved Mar 31, 2008 Radionuclides and Revised Rad Rule
Jan 1, 2008 Mar 31, 2008 Combined Radium (-226 and -228) MR No Yes — 5 pCi/L — Resolved Mar 31, 2008 Radionuclides and Revised Rad Rule
Jan 1, 2008 Mar 31, 2008 Gross Alpha, Excl. Radon and U MR No Yes — 15 pCi/L — Resolved Mar 31, 2008 Radionuclides and Revised Rad Rule
Jan 1, 2008 Mar 31, 2008 Gross Alpha, Excl. Radon and U MR No Yes — 15 pCi/L — Resolved Mar 31, 2008 Radionuclides and Revised Rad Rule
Jan 1, 2008 Mar 31, 2008 Combined Radium (-226 and -228) MR No Yes — 5 pCi/L — Resolved Mar 31, 2008 Radionuclides and Revised Rad Rule
Jan 1, 2008 Mar 31, 2008 Combined Radium (-226 and -228) MR No Yes — 5 pCi/L — Resolved Mar 31, 2008 Radionuclides and Revised Rad Rule
Jan 1, 2008 Mar 31, 2008 Combined Radium (-226 and -228) MR No Yes — 5 pCi/L — Resolved Mar 31, 2008 Radionuclides and Revised Rad Rule
Oct 1, 2007 Dec 31, 2007 Combined Radium (-226 and -228) MR No Yes — 5 pCi/L — Resolved Dec 31, 2007 Radionuclides and Revised Rad Rule
Oct 1, 2007 Dec 31, 2007 Gross Alpha, Excl. Radon and U MR No Yes — 15 pCi/L — Resolved Dec 31, 2007 Radionuclides and Revised Rad Rule
Oct 1, 2007 Dec 31, 2007 Gross Alpha, Excl. Radon and U MR No Yes — 15 pCi/L — Resolved Dec 31, 2007 Radionuclides and Revised Rad Rule
Oct 1, 2007 — Lead and Copper Rule MR No No — TT — Resolved Jul 15, 2008 Lead and Copper Rule
Oct 1, 2007 — Lead and Copper Rule MR No No — TT — Resolved Jul 15, 2008 Lead and Copper Rule
Oct 1, 2007 — Lead and Copper Rule MR No No — TT — Resolved Jul 15, 2008 Lead and Copper Rule
Oct 1, 2007 — Lead and Copper Rule MR No No — TT — Resolved Jul 15, 2008 Lead and Copper Rule
Oct 1, 2007 — Lead and Copper Rule MR No No — TT — Resolved Jul 15, 2008 Lead and Copper Rule
Oct 1, 2007 — Lead and Copper Rule MR No No — TT — Resolved Jul 15, 2008 Lead and Copper Rule
Oct 1, 2007 Dec 31, 2007 Gross Alpha, Excl. Radon and U MR No Yes — 15 pCi/L — Resolved Dec 31, 2007 Radionuclides and Revised Rad Rule
Oct 1, 2007 — Lead and Copper Rule MR No No — TT — Resolved Jul 15, 2008 Lead and Copper Rule
Oct 1, 2007 Dec 31, 2007 Gross Alpha, Excl. Radon and U MR No Yes — 15 pCi/L — Resolved Dec 31, 2007 Radionuclides and Revised Rad Rule
Oct 1, 2007 Dec 31, 2007 Gross Alpha, Excl. Radon and U MR No Yes — 15 pCi/L — Resolved Dec 31, 2007 Radionuclides and Revised Rad Rule
Oct 1, 2007 Dec 31, 2007 Gross Alpha, Excl. Radon and U MR No Yes — 15 pCi/L — Resolved Dec 31, 2007 Radionuclides and Revised Rad Rule
Oct 1, 2007 Dec 31, 2007 Gross Alpha, Excl. Radon and U MR No Yes — 15 pCi/L — Resolved Dec 31, 2007 Radionuclides and Revised Rad 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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