Public water system record

Town of Nashua

Serves Nashua, Valley County, MT · 300 people served

Federal records show no health-based violations and 40 monitoring/reporting issues for Town of Nashua in the last ten years. At least one of these issues remains unresolved.

  • MT0000297
  • NASHUA
  • MT
  • 300 served

System profile

Source water Purchased surface water
ZIP 59248
EPA system ID MT0000297

Verify this system on EPA ECHO →

Health-based violations, last 10 years
0
Resolved
0
Unresolved
0
Any acute record
No
Monitoring issues, last 10 years
40

Key facts

  • Town of Nashua buys its water from Dry Prairie Rural Water Authority.
  • Record on file since 1993, with 5 health-based violations before October 19, 2016.
  • Lead pipe inventory: 0 lead and 259 unknown out of 267 service lines.

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Health-based violations

Since October 2016

Violation data reflects EPA records through March 2026. For the most current status, visit the EPA ECHO database.

None since October 2016.

Monitoring and reporting issues

Since October 2016

Missed tests or reports, not contaminants found above a limit.

Issue Start date Status
Revised Total Coliform Rule
Monitoring violation
Sep 1, 2025 Resolved
Consumer Confidence Rule
OTHER
Jul 1, 2025 Active
Consumer Confidence Rule
OTHER
Jul 1, 2024 Resolved
Haloacetic Acids (HAA5)
Monitoring and reporting
Jan 1, 2024 Resolved
Total Trihalomethanes (TTHMs)
Monitoring and reporting
Jan 1, 2024 Resolved
Revised Total Coliform Rule
Monitoring violation
Sep 1, 2023 Resolved
Revised Total Coliform Rule
Monitoring violation
Aug 1, 2023 Resolved
Revised Total Coliform Rule
Monitoring violation
Jun 1, 2023 Resolved
Haloacetic Acids (HAA5)
Monitoring and reporting
Jan 1, 2023 Resolved
Total Trihalomethanes (TTHMs)
Monitoring and reporting
Jan 1, 2023 Resolved
Lead and Copper Rule
Monitoring and reporting
Sep 29, 2022 Resolved
Consumer Confidence Rule
OTHER
Jul 1, 2022 Resolved
Lead and Copper Rule
Monitoring and reporting
Apr 1, 2022 Resolved
Revised Total Coliform Rule
Monitoring violation
Sep 1, 2021 Resolved
Revised Total Coliform Rule
Monitoring violation
Jul 1, 2021 Resolved
Lead and Copper Rule
Monitoring and reporting
Jul 1, 2021 Resolved
Revised Total Coliform Rule
Monitoring violation
Jun 1, 2021 Resolved
Revised Total Coliform Rule
Monitoring violation
Apr 1, 2021 Resolved
Lead and Copper Rule
Monitoring and reporting
Apr 1, 2021 Resolved
Revised Total Coliform Rule
Monitoring violation
Jan 1, 2021 Resolved
Revised Total Coliform Rule
Monitoring violation
Dec 1, 2020 Resolved
Revised Total Coliform Rule
Monitoring violation
Nov 1, 2020 Resolved
Haloacetic Acids (HAA5)
Monitoring and reporting
Sep 1, 2020 Resolved
Total Trihalomethanes (TTHMs)
Monitoring and reporting
Sep 1, 2020 Resolved
Revised Total Coliform Rule
Monitoring violation
Jul 1, 2020 Resolved
Lead and Copper Rule
Monitoring and reporting
Jul 1, 2020 Resolved
Haloacetic Acids (HAA5)
Monitoring and reporting
Jan 1, 2020 Resolved
Total Trihalomethanes (TTHMs)
Monitoring and reporting
Jan 1, 2020 Resolved
Revised Total Coliform Rule
Monitoring violation
Dec 1, 2019 Resolved
Revised Total Coliform Rule
Monitoring violation
Oct 1, 2018 Resolved
Revised Total Coliform Rule
Monitoring violation
Aug 1, 2018 Resolved
Consumer Confidence Rule
OTHER
Jul 1, 2018 Resolved
Revised Total Coliform Rule
Monitoring violation
Feb 1, 2018 Resolved
Lead and Copper Rule
Monitoring and reporting
Oct 1, 2017 Resolved
Haloacetic Acids (HAA5)
Monitoring and reporting
Jul 1, 2017 Resolved
Total Trihalomethanes (TTHMs)
Monitoring and reporting
Jul 1, 2017 Resolved
Consumer Confidence Rule
OTHER
Jul 1, 2017 Resolved
Haloacetic Acids (HAA5)
Monitoring and reporting
Jan 1, 2017 Resolved
Total Trihalomethanes (TTHMs)
Monitoring and reporting
Jan 1, 2017 Resolved
Revised Total Coliform Rule
Monitoring violation
Nov 1, 2016 Resolved

Full record since 1993

EPA's records for Town of Nashua go back to 1993. Before October 19, 2016 they list 5 health-based violations (5 resolved) and 8 monitoring or reporting violations.

Violations that began in Health-based Monitoring and reporting
1990s 0 4
2000s 2 2
2010 to October 18, 2016 3 2
October 19, 2016 to 2019 0 12
2020s 0 28

Most recent health-based violation before October 19, 2016: Total Trihalomethanes (TTHMs), began April 2016, Resolved.

Show all 5 health-based violations before October 19, 2016
Contaminant Start date Status
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 82 µg/L, federal limit 80 µg/L (at or just above the limit)
Apr 1, 2016 Resolved
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 82.5 µg/L, federal limit 80 µg/L (at or just above the limit)
Jan 1, 2016 Resolved
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 84.5 µg/L, federal limit 80 µg/L (1.1 times the limit)
Oct 1, 2015 Resolved
Total Coliform
Contaminant limit exceeded
Oct 1, 2009 Resolved
Total Coliform
Contaminant limit exceeded
May 1, 2005 Resolved

Where the water comes from

Town of Nashua buys its water from Dry Prairie Rural Water Authority. It lists no wells or intakes of its own.

Buys water from

Annual water quality report

Town of Nashua must give its customers an annual water quality report (Consumer Confidence Report) by July 1, with the levels its tests found in the previous year.

Systems serving 500 or fewer people may meet the rule by telling customers the report is available on request, so you may need to ask Town of Nashua for a copy.

Find a posted report with EPA's Consumer Confidence Report search

Testing your own water

To test the water at your tap, or a private well this record does not cover, use a laboratory certified for drinking water by Montana.