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Public water system record

Mineral Point PWS

Serves Mineral Point, Washington County, MO · 231 people served

Federal records show 2 health-based violations and 8 monitoring/reporting issues for Mineral Point PWS in the last ten years. The most serious issue in this window was a resolved Groundwater Rule violation.

  • MO4011123
  • MINERAL POINT
  • MO
  • 231 served

System profile

Source water Groundwater
ZIP 63660
EPA system ID MO4011123

Verify this system on EPA ECHO →

Health-based violations, last 10 years
2
Resolved
2
Unresolved
0
Any acute record
No
Monitoring issues, last 10 years
8

Key facts

  • Mineral Point PWS draws water from 1 well.
  • Highest measured level in the last 10 years: Combined Radium (-226 and -228), 5.73 pCi/L, federal limit 5 pCi/L (1.1 times the limit), 2019.
  • Most recent formal enforcement: compliance order with a penalty by Missouri, September 2011.
  • Record on file since 1992, with 83 health-based violations before October 20, 2016.

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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.

Contaminant Rule family Start date Status Acute
Groundwater Rule
Treatment technique failure
 140 Sep 14, 2022 Resolved No
Combined Radium (-226 and -228)
Contaminant limit exceeded
Measured 5.73 pCi/L, federal limit 5 pCi/L (1.1 times the limit)
 340 Jul 1, 2019 Resolved No

Monitoring and reporting issues

Since October 2016

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

Issue Start date Status
Consumer Confidence Rule
OTHER
 Jul 1, 2025 Resolved
LEAD AND COPPER RULE REVISIONS
RPT
 Oct 17, 2024 Active
Public Notice
OTHER
 Jun 1, 2023 Resolved
Groundwater Rule
OTHER
 Feb 3, 2023 Resolved
Public Notice
OTHER
 Dec 5, 2022 Resolved
Consumer Confidence Rule
OTHER
 Jul 1, 2022 Resolved
Revised Total Coliform Rule
Monitoring violation
 Apr 1, 2022 Resolved
Public Notice
OTHER
 Oct 6, 2020 Resolved

Full record since 1992

EPA's records for Mineral Point PWS go back to 1992. Before October 20, 2016 they list 83 health-based violations (57 resolved, 26 archived by EPA without a recorded fix) and 14 monitoring or reporting violations.

Violations that began in Health-based Monitoring and reporting
1990s 0 1
2000s 56 10
2010 to October 19, 2016 27 3
October 20, 2016 to 2019 1 0
2020s 1 8

Most recent health-based violation before October 20, 2016: Combined Radium (-226 and -228), began July 2013, Resolved.

Show all 83 health-based violations before October 20, 2016
Contaminant Start date Status
Combined Radium (-226 and -228)
Contaminant limit exceeded
Measured 6.35 pCi/L, federal limit 5 pCi/L (1.3 times the limit)
 Jul 1, 2013 Resolved
Combined Radium (-226 and -228)
Contaminant limit exceeded
Measured 8.72 pCi/L, federal limit 5 pCi/L (1.7 times the limit)
 Apr 1, 2013 Resolved
Combined Radium (-226 and -228)
Contaminant limit exceeded
Measured 10.55 pCi/L, federal limit 5 pCi/L (2.1 times the limit)
 Jan 1, 2013 Resolved
Combined Radium (-226 and -228)
Contaminant limit exceeded
Measured 13.52 pCi/L, federal limit 5 pCi/L (2.7 times the limit)
 Oct 1, 2012 Resolved
Gross Alpha, Excl. Radon and U
Contaminant limit exceeded
Measured 15.62 pCi/L, federal limit 15 pCi/L (at or just above the limit)
 Oct 1, 2012 Resolved
Combined Radium (-226 and -228)
Contaminant limit exceeded
Measured 18.1 pCi/L, federal limit 5 pCi/L (3.6 times the limit)
 Jul 1, 2012 Resolved
Gross Alpha, Excl. Radon and U
Contaminant limit exceeded
Measured 18.65 pCi/L, federal limit 15 pCi/L (1.2 times the limit)
 Jul 1, 2012 Resolved
Combined Radium (-226 and -228)
Contaminant limit exceeded
Measured 18.25 pCi/L, federal limit 5 pCi/L (3.7 times the limit)
 Apr 1, 2012 Resolved
Gross Alpha, Excl. Radon and U
Contaminant limit exceeded
Measured 18.38 pCi/L, federal limit 15 pCi/L (1.2 times the limit)
 Apr 1, 2012 Resolved
Combined Radium (-226 and -228)
Contaminant limit exceeded
Measured 19.2 pCi/L, federal limit 5 pCi/L (3.8 times the limit)
 Jan 1, 2012 Resolved
Gross Alpha, Excl. Radon and U
Contaminant limit exceeded
Measured 19.03 pCi/L, federal limit 15 pCi/L (1.3 times the limit)
 Jan 1, 2012 Resolved
Combined Radium (-226 and -228)
Contaminant limit exceeded
Measured 18.35 pCi/L, federal limit 5 pCi/L (3.7 times the limit)
 Oct 1, 2011 Resolved
Gross Alpha, Excl. Radon and U
Contaminant limit exceeded
Measured 18.33 pCi/L, federal limit 15 pCi/L (1.2 times the limit)
 Oct 1, 2011 Resolved
Combined Radium (-226 and -228)
Contaminant limit exceeded
Measured 18.43 pCi/L, federal limit 5 pCi/L (3.7 times the limit)
 Jul 1, 2011 Resolved
Gross Alpha, Excl. Radon and U
Contaminant limit exceeded
Measured 18.6 pCi/L, federal limit 15 pCi/L (1.2 times the limit)
 Jul 1, 2011 Resolved
Combined Radium (-226 and -228)
Contaminant limit exceeded
Measured 17.03 pCi/L, federal limit 5 pCi/L (3.4 times the limit)
 Apr 1, 2011 Resolved
Gross Alpha, Excl. Radon and U
Contaminant limit exceeded
Measured 19.5 pCi/L, federal limit 15 pCi/L (1.3 times the limit)
 Apr 1, 2011 Resolved
Combined Radium (-226 and -228)
Contaminant limit exceeded
Measured 16 pCi/L, federal limit 5 pCi/L (3.2 times the limit)
 Jan 1, 2011 Resolved
Gross Alpha, Excl. Radon and U
Contaminant limit exceeded
Measured 19.15 pCi/L, federal limit 15 pCi/L (1.3 times the limit)
 Jan 1, 2011 Resolved
Combined Radium (-226 and -228)
Contaminant limit exceeded
Measured 16.23 pCi/L, federal limit 5 pCi/L (3.2 times the limit)
 Oct 1, 2010 Resolved
Gross Alpha, Excl. Radon and U
Contaminant limit exceeded
Measured 19.2 pCi/L, federal limit 15 pCi/L (1.3 times the limit)
 Oct 1, 2010 Resolved
Combined Radium (-226 and -228)
Contaminant limit exceeded
Measured 16.76 pCi/L, federal limit 5 pCi/L (3.4 times the limit)
 Jul 1, 2010 Resolved
Gross Alpha, Excl. Radon and U
Contaminant limit exceeded
Measured 20.83 pCi/L, federal limit 15 pCi/L (1.4 times the limit)
 Jul 1, 2010 Resolved
Combined Radium (-226 and -228)
Contaminant limit exceeded
Measured 18.98 pCi/L, federal limit 5 pCi/L (3.8 times the limit)
 Apr 1, 2010 Resolved
Gross Alpha, Excl. Radon and U
Contaminant limit exceeded
Measured 21.65 pCi/L, federal limit 15 pCi/L (1.4 times the limit)
 Apr 1, 2010 Resolved
Combined Radium (-226 and -228)
Contaminant limit exceeded
Measured 18.525 pCi/L, federal limit 5 pCi/L (3.7 times the limit)
 Jan 1, 2010 Resolved
Gross Alpha, Excl. Radon and U
Contaminant limit exceeded
Measured 21.375 pCi/L, federal limit 15 pCi/L (1.4 times the limit)
 Jan 1, 2010 Resolved
Combined Radium (-226 and -228)
Contaminant limit exceeded
Measured 19.45 pCi/L, federal limit 5 pCi/L (3.9 times the limit)
 Oct 1, 2009 Resolved
Gross Alpha, Excl. Radon and U
Contaminant limit exceeded
Measured 22.75 pCi/L, federal limit 15 pCi/L (1.5 times the limit)
 Oct 1, 2009 Resolved
Combined Radium (-226 and -228)
Contaminant limit exceeded
Measured 19.1 pCi/L, federal limit 5 pCi/L (3.8 times the limit)
 Jul 1, 2009 Resolved
Gross Alpha, Excl. Radon and U
Contaminant limit exceeded
Measured 19.38 pCi/L, federal limit 15 pCi/L (1.3 times the limit)
 Jul 1, 2009 Resolved
Combined Radium (-226 and -228)
Contaminant limit exceeded
Measured 19.27 pCi/L, federal limit 5 pCi/L (3.9 times the limit)
 Apr 1, 2009 Resolved
Gross Alpha, Excl. Radon and U
Contaminant limit exceeded
Measured 17.5 pCi/L, federal limit 15 pCi/L (1.2 times the limit)
 Apr 1, 2009 Resolved
Combined Radium (-226 and -228)
Contaminant limit exceeded
Measured 18.9 pCi/L, federal limit 5 pCi/L (3.8 times the limit)
 Jan 1, 2009 Resolved
Gross Alpha, Excl. Radon and U
Contaminant limit exceeded
Measured 17.33 pCi/L, federal limit 15 pCi/L (1.2 times the limit)
 Jan 1, 2009 Resolved
Combined Radium (-226 and -228)
Contaminant limit exceeded
Measured 17.98 pCi/L, federal limit 5 pCi/L (3.6 times the limit)
 Oct 1, 2008 Archived
Gross Alpha, Excl. Radon and U
Contaminant limit exceeded
Measured 17.68 pCi/L, federal limit 15 pCi/L (1.2 times the limit)
 Oct 1, 2008 Archived
Gross Alpha, Excl. Radon and U
Contaminant limit exceeded
Measured 20.28 pCi/L, federal limit 15 pCi/L (1.4 times the limit)
 Jul 1, 2008 Archived
Combined Radium (-226 and -228)
Contaminant limit exceeded
Measured 17.08 pCi/L, federal limit 5 pCi/L (3.4 times the limit)
 Jul 1, 2008 Archived
Combined Radium (-226 and -228)
Contaminant limit exceeded
Measured 17.08 pCi/L, federal limit 5 pCi/L (3.4 times the limit)
 Apr 1, 2008 Resolved
Gross Alpha, Excl. Radon and U
Contaminant limit exceeded
Measured 21.6 pCi/L, federal limit 15 pCi/L (1.4 times the limit)
 Apr 1, 2008 Archived
Combined Radium (-226 and -228)
Contaminant limit exceeded
Measured 15.85 pCi/L, federal limit 5 pCi/L (3.2 times the limit)
 Jan 1, 2008 Resolved
Gross Alpha, Excl. Radon and U
Contaminant limit exceeded
Measured 21.1 pCi/L, federal limit 15 pCi/L (1.4 times the limit)
 Jan 1, 2008 Resolved
Combined Radium (-226 and -228)
Contaminant limit exceeded
Measured 15.58 pCi/L, federal limit 5 pCi/L (3.1 times the limit)
 Oct 1, 2007 Resolved
Gross Alpha, Excl. Radon and U
Contaminant limit exceeded
Measured 22.8 pCi/L, federal limit 15 pCi/L (1.5 times the limit)
 Oct 1, 2007 Resolved
Combined Radium (-226 and -228)
Contaminant limit exceeded
Measured 16.08 pCi/L, federal limit 5 pCi/L (3.2 times the limit)
 Jul 1, 2007 Resolved
Gross Alpha, Excl. Radon and U
Contaminant limit exceeded
Measured 20.63 pCi/L, federal limit 15 pCi/L (1.4 times the limit)
 Jul 1, 2007 Resolved
Combined Radium (-226 and -228)
Contaminant limit exceeded
Measured 15.73 pCi/L, federal limit 5 pCi/L (3.1 times the limit)
 Apr 1, 2007 Resolved
Gross Alpha, Excl. Radon and U
Contaminant limit exceeded
Measured 23.35 pCi/L, federal limit 15 pCi/L (1.6 times the limit)
 Apr 1, 2007 Resolved
Combined Radium (-226 and -228)
Contaminant limit exceeded
Measured 17.73 pCi/L, federal limit 5 pCi/L (3.5 times the limit)
 Jan 1, 2007 Resolved

33 older violations are not listed here. EPA ECHO has the complete list.

Enforcement actions

Missouri regulators took 3 formal enforcement actions against Mineral Point PWS between 2005 and 2011. The most recent was a compliance order with a penalty in September 2011.

Date By Action Violations covered
Sep 21, 2011 Missouri Compliance order with a penalty 58 violations (48 health-based): Gross Alpha, Excl. Radon and U, Combined Radium (-226 and -228), Public Notice
Nov 6, 2007 Missouri Signed compliance agreement 32 violations (24 health-based): Gross Alpha, Excl. Radon and U, Combined Radium (-226 and -228)
Dec 6, 2005 Missouri Signed compliance agreement 38 violations (33 health-based): Gross Alpha, Excl. Radon and U, Combined Radium (-226 and -228)

What the violations mean

Groundwater Rule

1 incident

The system did not complete a treatment step or action that the Groundwater Rule requires (a treatment technique violation).

The utility had to notify customers about this violation.

Combined Radium (-226 and -228)

1 incident

Test results for Combined Radium (-226 and -228) were above the federal limit (a maximum contaminant level violation).

The utility had to notify customers about this violation.

Where the water comes from

Mineral Point PWS draws water from 1 well.

Annual water quality report

Mineral Point PWS 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 Mineral Point PWS 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 Missouri.

Certified drinking water labs by state EPA guidance for private wells