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Public water system record

McIntosh Co. RWD #7

Serves an area of McIntosh County, OK · 200 people served

Federal records show 5 health-based violations and 4 monitoring/reporting issues for McIntosh Co. RWD #7 in the last ten years. The most serious issue in this window was a Total Trihalomethanes (TTHMs) violation that EPA lists as archived, not resolved.

  • OK3004920
  • CHECOTAH
  • OK
  • 200 served

System profile

Source water Purchased surface water
ZIP 74426
EPA system ID OK3004920

Verify this system on EPA ECHO →

Health-based violations, last 10 years
5
Resolved
4
Unresolved
0
Archived by EPA
1
Any acute record
No
Monitoring issues, last 10 years
4

Key facts

  • McIntosh Co. RWD #7 buys its water from Checotah PWA.
  • Highest measured level in the last 10 years: Total Trihalomethanes (TTHMs), 0.089 mg/L, federal limit 0.08 mg/L (1.1 times the limit), 2017.
  • Most recent formal enforcement: compliance order (no penalty) by Oklahoma, January 2024.
  • Record on file since 2006, with 7 health-based violations before October 19, 2016.
  • Lead pipe inventory: 0 lead and 0 unknown out of 342 service lines.

Check whether McIntosh Co. RWD #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
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.083 mg/L, federal limit 0.08 mg/L (at or just above the limit)
 220 Oct 1, 2025 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
 No
Chlorine
Disinfectant residual limit exceeded
 210 Jul 1, 2023 Resolved No
Chlorine
Disinfectant residual limit exceeded
 210 Apr 1, 2023 Resolved No
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.089 mg/L, federal limit 0.08 mg/L (1.1 times the limit)
 220 Apr 1, 2017 Resolved No
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.085 mg/L, federal limit 0.08 mg/L (1.1 times the limit)
 220 Jan 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
Lead and Copper Rule
Monitoring and reporting
 Oct 1, 2025 Active
Haloacetic Acids (HAA5)
Monitoring and reporting
 Apr 1, 2023 Resolved
Total Trihalomethanes (TTHMs)
Monitoring and reporting
 Apr 1, 2023 Resolved
Consumer Confidence Rule
OTHER
 Jul 1, 2016 Resolved

Full record since 2006

EPA's records for McIntosh Co. RWD #7 go back to 2006. Before October 19, 2016 they list 7 health-based violations (7 resolved) and 12 monitoring or reporting violations.

Violations that began in Health-based Monitoring and reporting
2000s 3 8
2010 to October 18, 2016 4 4
October 19, 2016 to 2019 2 0
2020s 3 3

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

Show all 7 health-based violations before October 19, 2016
Contaminant Start date Status
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.089 mg/L, federal limit 0.08 mg/L (1.1 times the limit)
 Jul 1, 2016 Resolved
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.084 mg/L, federal limit 0.08 mg/L (1.1 times the limit)
 Jan 1, 2015 Resolved
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.088 mg/L, federal limit 0.08 mg/L (1.1 times the limit)
 Oct 1, 2014 Resolved
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.092 mg/L, federal limit 0.08 mg/L (1.2 times the limit)
 Jul 1, 2014 Resolved
Total Coliform
Contaminant limit exceeded
 Aug 1, 2007 Resolved
Total Coliform
Contaminant limit exceeded
 Jun 1, 2007 Resolved
Total Coliform
Contaminant limit exceeded
 Sep 1, 2006 Resolved

Enforcement actions

Oklahoma regulators took 5 formal enforcement actions against McIntosh Co. RWD #7 between 2014 and 2024. The most recent was a compliance order (no penalty) in January 2024.

Date By Action Violations covered
Jan 4, 2024 Oklahoma Compliance order (no penalty) 1 violation (1 health-based): Chlorine
Aug 21, 2023 Oklahoma Compliance order (no penalty) 1 violation (1 health-based): Chlorine
Jun 12, 2015 Oklahoma Compliance order with a penalty 1 violation (1 health-based): Total Trihalomethanes (TTHMs)
Mar 16, 2015 Oklahoma Compliance order with a penalty 1 violation (1 health-based): Total Trihalomethanes (TTHMs)
Nov 14, 2014 Oklahoma Compliance order with a penalty 1 violation (1 health-based): Total Trihalomethanes (TTHMs)

What the violations mean

Total Trihalomethanes (TTHMs)

3 incidents

Disinfection byproduct levels exceeded the federal limit

Long-term TTHM exposure may increase bladder cancer risk

Chlorine

2 incidents

Chlorine levels were above the federal maximum residual disinfectant level.

The utility had to notify customers about each of these violations.

Where the water comes from

McIntosh Co. RWD #7 buys its water from Checotah PWA. It lists no wells or intakes of its own.

Buys water from

Annual water quality report

McIntosh Co. RWD #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 McIntosh Co. RWD #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 Oklahoma.

Certified drinking water labs by state EPA guidance for private wells