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Public water system record

Crooksville

Serves Crooksville, Perry County, OH · 2,534 people served

Federal records show 1 health-based violation and 11 monitoring/reporting issues for Crooksville in the last ten years. The most serious issue in this window was a resolved Total Trihalomethanes (TTHMs) violation.

  • OH6400111
  • CROOKSVILLE
  • OH
  • 2,534 served

System profile

Source water Purchased groundwater
ZIP 43731
EPA system ID OH6400111

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
11

Key facts

  • Crooksville buys its water from Burr Oak Regional Water District.
  • Highest measured level in the last 10 years: Total Trihalomethanes (TTHMs), 0.081 mg/L, federal limit 0.08 mg/L (at or just above the limit), 2017.
  • Most recent formal enforcement: compliance order (no penalty) by Ohio, December 2010.
  • Record on file since 1988, with 22 health-based violations before October 19, 2016.
  • Lead pipe inventory: 0 lead and 1,483 unknown out of 1,603 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 0.081 mg/L, federal limit 0.08 mg/L (at or just above the limit)
 220 Apr 1, 2017 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
 Nov 19, 2025 Active
Haloacetic Acids (HAA5)
Monitoring and reporting
 Apr 1, 2024 Resolved
Total Trihalomethanes (TTHMs)
Monitoring and reporting
 Apr 1, 2024 Resolved
Revised Total Coliform Rule
Monitoring violation
 Dec 1, 2023 Resolved
Public Notice
OTHER
 May 17, 2023 Resolved
Consumer Confidence Rule
OTHER
 Sep 21, 2022 Resolved
Revised Total Coliform Rule
Monitoring violation
 Apr 1, 2022 Resolved
Consumer Confidence Rule
OTHER
 Nov 9, 2020 Resolved
Consumer Confidence Rule
OTHER
 Jan 29, 2020 Resolved
Consumer Confidence Rule
OTHER
 Nov 6, 2018 Resolved
Public Notice
OTHER
 Jul 15, 2017 Resolved

Full record since 1988

EPA's records for Crooksville go back to 1988. Before October 19, 2016 they list 22 health-based violations (22 resolved) and 16 monitoring or reporting violations.

Violations that began in Health-based Monitoring and reporting
1980s 0 9
1990s 7 3
2000s 10 2
2010 to October 18, 2016 5 2
October 19, 2016 to 2019 1 2
2020s 0 9

Most recent health-based violation before October 19, 2016: Total Trihalomethanes (TTHMs), began January 2011, Resolved.

Show all 22 health-based violations before October 19, 2016
Contaminant Start date Status
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.104 mg/L, federal limit 0.08 mg/L (1.3 times the limit)
 Jan 1, 2011 Resolved
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.107 mg/L, federal limit 0.08 mg/L (1.3 times the limit)
 Oct 1, 2010 Resolved
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.101 mg/L, federal limit 0.08 mg/L (1.3 times the limit)
 Jul 1, 2010 Resolved
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.101 mg/L, federal limit 0.08 mg/L (1.3 times the limit)
 Apr 1, 2010 Resolved
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.096 mg/L, federal limit 0.08 mg/L (1.2 times the limit)
 Jan 1, 2010 Resolved
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.093 mg/L, federal limit 0.08 mg/L (1.2 times the limit)
 Oct 1, 2009 Resolved
Total Coliform
Contaminant limit exceeded
 Aug 1, 2009 Resolved
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.094 mg/L, federal limit 0.08 mg/L (1.2 times the limit)
 Jul 1, 2009 Resolved
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.09 mg/L, federal limit 0.08 mg/L (1.1 times the limit)
 Apr 1, 2009 Resolved
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.087 mg/L, federal limit 0.08 mg/L (1.1 times the limit)
 Jan 1, 2009 Resolved
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.085 mg/L, federal limit 0.08 mg/L (1.1 times the limit)
 Oct 1, 2008 Resolved
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.088 mg/L, federal limit 0.08 mg/L (1.1 times the limit)
 Apr 1, 2007 Resolved
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.087 mg/L, federal limit 0.08 mg/L (1.1 times the limit)
 Jan 1, 2007 Resolved
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.092 mg/L, federal limit 0.08 mg/L (1.2 times the limit)
 Oct 1, 2006 Resolved
Total Coliform
Contaminant limit exceeded
 Aug 1, 2003 Resolved
Total Coliform (acute)
Contaminant limit exceeded
 May 1, 1998 Resolved
Total Coliform
Contaminant limit exceeded
 Aug 1, 1997 Resolved
Total Coliform (acute)
Contaminant limit exceeded
 Aug 1, 1997 Resolved
Total Coliform
Contaminant limit exceeded
 Jun 1, 1996 Resolved
Total Coliform
Contaminant limit exceeded
 May 1, 1996 Resolved
Total Coliform
Contaminant limit exceeded
 Jun 1, 1992 Resolved
Total Coliform (acute)
Contaminant limit exceeded
 Jun 1, 1992 Resolved

Enforcement actions

Ohio regulators took 2 formal enforcement actions against Crooksville between 2008 and 2010, filed as 3 records in EPA's data. The most recent was a compliance order (no penalty) in December 2010.

Date By Action Violations covered
Dec 8, 2010 Ohio Compliance order (no penalty) 5 violations (5 health-based): Total Trihalomethanes (TTHMs)
Apr 15, 2008 Ohio Signed compliance agreement 20 violations (15 health-based): Total Coliform, Asbestos, Nitrate, Total Trihalomethanes (TTHMs), Chromium (total)

What the violations mean

Total Trihalomethanes (TTHMs)

1 incident

Disinfection byproduct levels exceeded the federal limit

Long-term TTHM exposure may increase bladder cancer risk

Where the water comes from

Crooksville buys its water from Burr Oak Regional Water District. It lists no wells or intakes of its own.

Buys water from

Annual water quality report

Crooksville 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 Ohio.

Certified drinking water labs by state EPA guidance for private wells