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Public water system record

Cleveland PWS

Serves Cleveland, Cass County, MO · 690 people served

Federal records show 8 health-based violations and 4 monitoring/reporting issues for Cleveland PWS in the last ten years. The most serious issue in this window was a resolved Total Trihalomethanes (TTHMs) violation.

  • MO1010174
  • CLEVELAND
  • MO
  • 690 served

System profile

Source water Purchased surface water
ZIP 64734
EPA system ID MO1010174

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
4

Key facts

  • Cleveland PWS buys its water from Cass County PWSD 2.
  • Highest measured level in the last 10 years: Total Trihalomethanes (TTHMs), 163.2 µg/L, federal limit 80 µg/L (2 times the limit), 2024.
  • Record on file since 1993, with 5 health-based violations before October 19, 2016.
  • Lead pipe inventory: 0 lead and 0 unknown out of 290 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 163.2 µg/L, federal limit 80 µg/L (2 times the limit)
 220 Apr 1, 2024 Resolved No
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 87.3 µg/L, federal limit 60 µg/L (1.5 times the limit)
 220 Apr 1, 2024 Resolved No
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 84.4 µg/L, federal limit 60 µg/L (1.4 times the limit)
 220 Jan 1, 2024 Resolved No
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 161.56 µg/L, federal limit 80 µg/L (2 times the limit)
 220 Jan 1, 2024 Resolved No
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 82.09 µg/L, federal limit 60 µg/L (1.4 times the limit)
 220 Oct 1, 2023 Resolved No
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 160.43 µg/L, federal limit 80 µg/L (2 times the limit)
 220 Oct 1, 2023 Resolved No
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 159 µg/L, federal limit 80 µg/L (2 times the limit)
 220 Jul 1, 2023 Resolved No
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 80.25 µg/L, federal limit 60 µg/L (1.3 times the limit)
 220 Jul 1, 2023 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 Active
LEAD AND COPPER RULE REVISIONS
RPT
 Oct 17, 2024 Resolved
Lead and Copper Rule
Monitoring and reporting
 Oct 1, 2024 Resolved
Revised Total Coliform Rule
Monitoring violation
 Feb 1, 2023 Resolved

Full record since 1993

EPA's records for Cleveland PWS go back to 1993. Before October 19, 2016 they list 5 health-based violations (5 resolved) and 9 monitoring or reporting violations.

Violations that began in Health-based Monitoring and reporting
1990s 5 2
2000s 0 2
2010 to October 18, 2016 0 5
2020s 8 4

Most recent health-based violation before October 19, 2016: Surface Water Treatment Rule, began July 1999, Resolved.

Show all 5 health-based violations before October 19, 2016
Contaminant Start date Status
Surface Water Treatment Rule
Treatment technique failure
 Jul 1, 1999 Resolved
Surface Water Treatment Rule
Treatment technique failure
 Mar 1, 1999 Resolved
Surface Water Treatment Rule
Treatment technique failure
 Jan 1, 1999 Resolved
Total Coliform
Contaminant limit exceeded
 Nov 1, 1994 Resolved
Total Coliform
Contaminant limit exceeded
 Aug 1, 1993 Resolved

What the violations mean

Total Trihalomethanes (TTHMs)

4 incidents

Disinfection byproduct levels exceeded the federal limit

Long-term TTHM exposure may increase bladder cancer risk

Haloacetic Acids (HAA5)

4 incidents

Haloacetic acid byproducts exceeded the federal limit

Long-term exposure to HAAs may increase cancer risk

Where the water comes from

Cleveland PWS buys its water from Cass County PWSD 2. It lists no wells or intakes of its own.

Buys water from

Annual water quality report

Cleveland 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.

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