Public water system record

Kirksville PWS

Serves Kirksville, Adair County, MO · 17,566 people served

Federal records show 3 health-based violations and no monitoring/reporting issues for Kirksville PWS in the last ten years. The most serious issue in this window was a resolved Total Trihalomethanes (TTHMs) violation.

  • MO2010429
  • KIRKSVILLE
  • MO
  • 17,566 served

System profile

Source water Surface water
ZIP 63501
EPA system ID MO2010429

Verify this system on EPA ECHO →

Health-based violations, last 10 years
3
Resolved
3
Unresolved
0
Any acute record
No
Monitoring issues, last 10 years
0

Key facts

  • Kirksville PWS draws water from 2 surface water intakes and 2 reservoirs.
  • Highest measured level in the last 10 years: Total Trihalomethanes (TTHMs), 85 µg/L, federal limit 80 µg/L (1.1 times the limit), 2022.
  • Record on file since 1983, with 11 health-based violations before October 19, 2016.
  • Lead pipe inventory: 0 lead and 7,434 unknown out of 7,890 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.

Contaminant Rule family Start date Status Acute
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 85 µg/L, federal limit 80 µg/L (1.1 times the limit)
220 Apr 1, 2022 Resolved No
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 83 µg/L, federal limit 80 µg/L (at or just above the limit)
220 Jan 1, 2022 Resolved No
CARBON, TOTAL
Treatment technique failure
210 Apr 1, 2017 Resolved No

Full record since 1983

EPA's records for Kirksville PWS go back to 1983. Before October 19, 2016 they list 11 health-based violations (5 resolved, 6 archived by EPA without a recorded fix) and 45 monitoring or reporting violations.

Violations that began in Health-based Monitoring and reporting
1980s 5 44
2000s 4 0
2010 to October 18, 2016 2 1
October 19, 2016 to 2019 1 0
2020s 2 0

Most recent health-based violation before October 19, 2016: Interim Enhanced Surface Water Treatment Rule (acute), began October 2014, Resolved.

Show all 11 health-based violations before October 19, 2016
Contaminant Start date Status
Interim Enhanced Surface Water Treatment Rule (acute)
Treatment technique failure
Oct 1, 2014 Resolved
Chlorite
Contaminant limit exceeded
Measured 3.65 mg/L, federal limit 1 mg/L (3.7 times the limit)
Aug 1, 2010 Resolved
CARBON, TOTAL
Treatment technique failure
Oct 1, 2005 Resolved
CARBON, TOTAL
Treatment technique failure
Jan 1, 2004 Resolved
CARBON, TOTAL
Treatment technique failure
Jan 1, 2003 Resolved
Interim Enhanced Surface Water Treatment Rule (acute)
Treatment technique failure
Jun 1, 2002 Archived
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Jan 1, 1985 Archived
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Jan 1, 1985 Archived
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Oct 1, 1984 Archived
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Oct 1, 1984 Archived
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Jan 1, 1983 Archived

What the violations mean

Total Trihalomethanes (TTHMs)

2 incidents

Disinfection byproduct levels exceeded the federal limit

Long-term TTHM exposure may increase bladder cancer risk

CARBON, TOTAL

1 incident

The system did not complete a treatment step or action that federal rules require for CARBON, TOTAL (a treatment technique violation).

The utility had to notify customers about this violation.

Where the water comes from

Kirksville PWS draws water from 2 surface water intakes and 2 reservoirs. 1 other community water system buys water from Kirksville PWS.

Community systems that buy water from it

Annual water quality report

Kirksville 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 10,000 or more people must mail or deliver the report to every customer, and from 2027 they must send it twice a year.

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.