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Public water system record

Bates County PWSD 7

Serves an area of Bates County, MO · 500 people served

Federal records show 1 health-based violation and 2 monitoring/reporting issues for Bates County PWSD 7 in the last ten years. The most serious issue in this window was a resolved Haloacetic Acids (HAA5) violation.

  • MO1021160
  • ROCKVILLE
  • MO
  • 500 served

System profile

Source water Purchased surface water
ZIP 64780
EPA system ID MO1021160

Verify this system on EPA ECHO →

Health-based violations, last 10 years
1
Resolved
1
Unresolved
0
Any acute record
No
Monitoring issues, last 10 years
2

Key facts

  • Bates County PWSD 7 buys its water from Harry S Truman PWSD 2.
  • Highest measured level in the last 10 years: Haloacetic Acids (HAA5), 62.4 µg/L, federal limit 60 µg/L (at or just above the limit), 2024.
  • Record on file since 1996, with 4 health-based violations before October 19, 2016.
  • Lead pipe inventory: 0 lead and 125 unknown out of 256 service lines.

Check whether Bates County PWSD 7 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 62.4 µg/L, federal limit 60 µg/L (at or just above the limit)
 220 Oct 1, 2024 Resolved No

Monitoring and reporting issues

Since October 2016

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

Issue Start date Status
Public Notice
OTHER
 Apr 21, 2025 Resolved
Revised Total Coliform Rule
Monitoring violation
 Feb 1, 2025 Resolved

Full record since 1996

EPA's records for Bates County PWSD 7 go back to 1996. Before October 19, 2016 they list 4 health-based violations (4 resolved) and 2 monitoring or reporting violations.

Violations that began in Health-based Monitoring and reporting
1990s 0 1
2010 to October 18, 2016 4 1
2020s 1 2

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

Show all 4 health-based violations before October 19, 2016
Contaminant Start date Status
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 93 µg/L, federal limit 80 µg/L (1.2 times the limit)
 Jan 1, 2016 Resolved
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 61 µg/L, federal limit 60 µg/L (at or just above the limit)
 Jan 1, 2016 Resolved
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 88 µg/L, federal limit 80 µg/L (1.1 times the limit)
 Oct 1, 2015 Resolved
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 81 µg/L, federal limit 80 µg/L (at or just above the limit)
 Jul 1, 2015 Resolved

What the violations mean

Haloacetic Acids (HAA5)

1 incident

Haloacetic acid byproducts exceeded the federal limit

Long-term exposure to HAAs may increase cancer risk

Where the water comes from

Bates County PWSD 7 buys its water from Harry S Truman PWSD 2. It lists no wells or intakes of its own.

Buys water from

Annual water quality report

Bates County PWSD 7 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 Bates County PWSD 7 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