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ROUNDUP WATER DEPARTMENT

Montana — Community Water System — PWSID: MT0000321

System Information

PWSIDMT0000321
System NameROUNDUP WATER DEPARTMENT
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
CityROUNDUP
ZIP Code59072
AddressPO BOX 660
OrganizationLANTER, TANYA
Phone406-323-2804

Population & Service

Population Served1,900
Service Connections858

Drinking Water Violations (34)

This water system has 34 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
Jan 1, 2023 Dec 31, 2023 Nitrate-Nitrite MR No Yes — — — Resolved Dec 31, 2023 Nitrate Rule
Jan 1, 2023 Dec 31, 2023 Nitrate-Nitrite MR No Yes — — — Resolved Dec 31, 2023 Nitrate Rule
Jan 1, 2023 Dec 31, 2023 Nitrate-Nitrite MR No Yes — — — Resolved Dec 31, 2023 Nitrate Rule
Jan 1, 2023 Dec 31, 2023 Nitrate-Nitrite MR No Yes — — — Resolved Dec 31, 2023 Nitrate Rule
Jul 1, 2020 Jul 31, 2020 Revised Total Coliform Rule MON No Yes — — — Resolved Jul 31, 2020 Revised Total Coliform Rule
Jul 1, 2020 Jul 31, 2020 Revised Total Coliform Rule MON No Yes — — — Resolved Jul 31, 2020 Revised Total Coliform Rule
Jul 1, 2020 Jul 31, 2020 Revised Total Coliform Rule MON No Yes — — — Resolved Jul 31, 2020 Revised Total Coliform Rule
Jun 1, 2019 Jun 30, 2019 Revised Total Coliform Rule MON No Yes — — — Resolved Jun 30, 2019 Revised Total Coliform Rule
Jun 1, 2019 Jun 30, 2019 Revised Total Coliform Rule MON No Yes — — — Resolved Jun 30, 2019 Revised Total Coliform Rule
Jun 1, 2019 Jun 30, 2019 Revised Total Coliform Rule MON No Yes — — — Resolved Jun 30, 2019 Revised Total Coliform Rule
Jun 1, 2019 Jun 30, 2019 Revised Total Coliform Rule MON No Yes — — — Resolved Jun 30, 2019 Revised Total Coliform Rule
Jul 1, 2018 Jul 31, 2018 Revised Total Coliform Rule MON No Yes — — — Resolved Jul 31, 2018 Revised Total Coliform Rule
Jul 1, 2018 Jul 31, 2018 Revised Total Coliform Rule MON No Yes — — — Resolved Jul 31, 2018 Revised Total Coliform Rule
Jul 1, 2018 Jul 31, 2018 Revised Total Coliform Rule MON No Yes — — — Resolved Jul 31, 2018 Revised Total Coliform Rule
Jul 1, 2018 — Consumer Confidence Rule Other No No — — — Resolved Jul 25, 2018 Consumer Confidence Rule
Jul 1, 2018 — Consumer Confidence Rule Other No No — — — Resolved Jul 25, 2018 Consumer Confidence Rule
Sep 1, 2014 Aug 31, 2015 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Aug 31, 2015 Stage 2 Disinfectants and Disinfection Byproducts Rule
Sep 1, 2014 Aug 31, 2015 TTHM MR No Yes — 0.080 mg/L — Resolved Aug 31, 2015 Stage 2 Disinfectants and Disinfection Byproducts Rule
Sep 1, 2014 Aug 31, 2015 TTHM MR No Yes — 0.080 mg/L — Resolved Aug 31, 2015 Stage 2 Disinfectants and Disinfection Byproducts Rule
Sep 1, 2014 Aug 31, 2015 TTHM MR No Yes — 0.080 mg/L — Resolved Aug 31, 2015 Stage 2 Disinfectants and Disinfection Byproducts Rule
Sep 1, 2014 Aug 31, 2015 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Aug 31, 2015 Stage 2 Disinfectants and Disinfection Byproducts Rule
Sep 1, 2014 Aug 31, 2015 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Aug 31, 2015 Stage 2 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2013 — Consumer Confidence Rule Other No No — — — Resolved Dec 26, 2013 Consumer Confidence Rule
Oct 1, 2013 — Consumer Confidence Rule Other No No — — — Resolved Dec 26, 2013 Consumer Confidence Rule
Oct 1, 2010 — Lead and Copper Rule MR No No — TT — Resolved Aug 30, 2011 Lead and Copper Rule
Oct 1, 2010 — Lead and Copper Rule MR No No — TT — Resolved Aug 30, 2011 Lead and Copper Rule
Oct 1, 2010 — Lead and Copper Rule MR No No — TT — Resolved Aug 30, 2011 Lead and Copper Rule
Oct 1, 2010 — Lead and Copper Rule MR No No — TT — Resolved Aug 30, 2011 Lead and Copper Rule
Jul 1, 2008 — Consumer Confidence Rule Other No No — — — Resolved Aug 18, 2008 Consumer Confidence Rule
Jul 1, 2008 — Consumer Confidence Rule Other No No — — — Resolved Aug 18, 2008 Consumer Confidence Rule
Jul 1, 2008 — Consumer Confidence Rule Other No No — — — Resolved Aug 18, 2008 Consumer Confidence Rule
Sep 1, 1995 Sep 30, 1995 Coliform (TCR) MR No No — 5% of samples — Resolved Sep 30, 1995 Total Coliform Rule
Sep 1, 1995 Sep 30, 1995 Coliform (TCR) MR No No — 5% of samples — Resolved Sep 30, 1995 Total Coliform Rule
Aug 1, 1994 Aug 31, 1994 Coliform (TCR) MR No No — 5% of samples — Resolved Aug 31, 1994 Total Coliform 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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