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Public water system record

Caldwell County PWSD 2

Serves an area of Caldwell County and Daviess County, MO that includes Kidder · 695 people served

Federal records show 8 health-based violations and 5 monitoring/reporting issues for Caldwell County PWSD 2 in the last ten years. The most serious issue in this window was a resolved Haloacetic Acids (HAA5) violation.

  • MO1024079
  • KIDDER
  • MO
  • 695 served

System profile

Source water Purchased surface water
ZIP 64649
EPA system ID MO1024079

Verify this system on EPA ECHO →

Health-based violations, last 10 years
8
Resolved
8
Unresolved
0
Any acute record
No
Monitoring issues, last 10 years
5

Key facts

  • Caldwell County PWSD 2 buys its water from Hamilton PWS and Daviess County PWSD 2.
  • Highest measured level in the last 10 years: Total Trihalomethanes (TTHMs), 96 µg/L, federal limit 80 µg/L (1.2 times the limit), 2019.
  • Most recent formal enforcement: compliance order with a penalty by Missouri, April 2021.
  • Record on file since 1993, with 9 health-based violations before October 19, 2016.
  • Lead pipe inventory: 0 lead and 104 unknown out of 285 service lines.

Check whether Caldwell County PWSD 2 serves your address

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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
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 61 µg/L, federal limit 60 µg/L (at or just above the limit)
 220 Oct 1, 2019 Resolved No
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 66 µg/L, federal limit 60 µg/L (1.1 times the limit)
 220 Jul 1, 2019 Resolved No
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 81 µg/L, federal limit 80 µg/L (at or just above the limit)
 220 Jul 1, 2019 Resolved No
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 64 µg/L, federal limit 60 µg/L (1.1 times the limit)
 220 Apr 1, 2019 Resolved No
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 96 µg/L, federal limit 80 µg/L (1.2 times the limit)
 220 Apr 1, 2019 Resolved No
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 85 µg/L, federal limit 80 µg/L (1.1 times the limit)
 220 Jan 1, 2019 Resolved No
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 85 µg/L, federal limit 80 µg/L (1.1 times the limit)
 220 Oct 1, 2018 Resolved No
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 61 µg/L, federal limit 60 µg/L (at or just above the limit)
 220 Oct 1, 2016 Resolved No

Monitoring and reporting issues

Since October 2016

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

Issue Start date Status
Lead and Copper Rule
Monitoring and reporting
 Dec 30, 2025 Active
Revised Total Coliform Rule
Monitoring violation
 Sep 1, 2018 Resolved
Revised Total Coliform Rule
Monitoring violation
 Oct 1, 2017 Resolved
Public Notice
OTHER
 Jun 30, 2016 Resolved
Public Notice
OTHER
 Jun 30, 2016 Resolved

Full record since 1993

EPA's records for Caldwell County PWSD 2 go back to 1993. Before October 19, 2016 they list 9 health-based violations (9 resolved) and 13 monitoring or reporting violations.

Violations that began in Health-based Monitoring and reporting
1990s 0 1
2000s 1 1
2010 to October 18, 2016 8 11
October 19, 2016 to 2019 7 2
2020s 0 1

Most recent health-based violation before October 19, 2016: Haloacetic Acids (HAA5), began October 2016, Resolved.

Show all 9 health-based violations before October 19, 2016
Contaminant Start date Status
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 61 µg/L, federal limit 60 µg/L (at or just above the limit)
 Oct 1, 2016 Resolved
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 70 µg/L, federal limit 60 µg/L (1.2 times the limit)
 Jul 1, 2016 Resolved
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 77 µg/L, federal limit 60 µg/L (1.3 times the limit)
 Apr 1, 2016 Resolved
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 99 µg/L, federal limit 80 µg/L (1.2 times the limit)
 Apr 1, 2016 Resolved
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 99 µg/L, federal limit 80 µg/L (1.2 times the limit)
 Jan 1, 2016 Resolved
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 65 µg/L, federal limit 60 µg/L (1.1 times the limit)
 Jan 1, 2016 Resolved
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 96 µg/L, federal limit 80 µg/L (1.2 times the limit)
 Oct 1, 2015 Resolved
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 95 µg/L, federal limit 80 µg/L (1.2 times the limit)
 Jul 1, 2015 Resolved
Total Coliform
Contaminant limit exceeded
 Sep 1, 2001 Resolved

Enforcement actions

Missouri regulators took 2 formal enforcement actions against Caldwell County PWSD 2 between 2012 and 2021. The most recent was a compliance order with a penalty in April 2021.

Date By Action Violations covered
Apr 14, 2021 Missouri Compliance order with a penalty 7 violations (7 health-based): Total Trihalomethanes (TTHMs), Haloacetic Acids (HAA5)
Jul 14, 2012 Missouri Signed compliance agreement 5 violations: Total Coliform

What the violations mean

Haloacetic Acids (HAA5)

4 incidents

Haloacetic acid byproducts exceeded the federal limit

Long-term exposure to HAAs may increase cancer risk

Total Trihalomethanes (TTHMs)

4 incidents

Disinfection byproduct levels exceeded the federal limit

Long-term TTHM exposure may increase bladder cancer risk

Where the water comes from

Caldwell County PWSD 2 buys its water from Hamilton PWS and Daviess County PWSD 2. It lists no wells or intakes of its own.

Buys water from

Annual water quality report

Caldwell County PWSD 2 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.

Where the state allows it, systems serving fewer than 10,000 people may publish the report in a local newspaper or news site instead of mailing it, and must provide a copy on request.

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