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Public water system record

Delaware Co RWD # 7

Serves Cleora, Delaware County, OK · 400 people served

Federal records show 9 health-based violations and 5 monitoring/reporting issues for Delaware Co RWD # 7 in the last ten years. The most serious issue in this window was a Haloacetic Acids (HAA5) violation that EPA lists as archived, not resolved.

  • OK3002138
  • AFTON
  • OK
  • 400 served

System profile

Source water Purchased surface water
ZIP 74331
EPA system ID OK3002138

Verify this system on EPA ECHO →

Health-based violations, last 10 years
9
Resolved
5
Unresolved
0
Archived by EPA
4
Any acute record
No
Monitoring issues, last 10 years
5

Key facts

  • Delaware Co RWD # 7 buys its water from Ketchum PWA Delaware Co System.
  • Highest measured level in the last 10 years: Haloacetic Acids (HAA5), 0.099 mg/L, federal limit 0.06 mg/L (1.7 times the limit), 2017.
  • Most recent formal enforcement: compliance order (no penalty) by Oklahoma, July 2025.
  • Record on file since 2001, with 13 health-based violations before October 19, 2016.
  • Lead pipe inventory: 0 lead and 298 unknown out of 433 service lines.

Check whether Delaware 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
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 0.063 mg/L, federal limit 0.06 mg/L (1.1 times the limit)
 220 Apr 1, 2025 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
 No
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 0.074 mg/L, federal limit 0.06 mg/L (1.2 times the limit)
 220 Jan 1, 2025 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
 No
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 0.072 mg/L, federal limit 0.06 mg/L (1.2 times the limit)
 220 Oct 1, 2024 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
 No
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 0.068 mg/L, federal limit 0.06 mg/L (1.1 times the limit)
 220 Jul 1, 2024 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
 No
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 0.073 mg/L, federal limit 0.06 mg/L (1.2 times the limit)
 220 Jul 1, 2017 Resolved No
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 0.082 mg/L, federal limit 0.06 mg/L (1.4 times the limit)
 220 Apr 1, 2017 Resolved No
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.083 mg/L, federal limit 0.08 mg/L (at or just above the limit)
 220 Jan 1, 2017 Resolved No
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 0.099 mg/L, federal limit 0.06 mg/L (1.7 times the limit)
 220 Jan 1, 2017 Resolved No
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 0.091 mg/L, federal limit 0.06 mg/L (1.5 times the limit)
 220 Oct 1, 2016 Resolved No

Monitoring and reporting issues

Since October 2016

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

Issue Start date Status
Haloacetic Acids (HAA5)
Monitoring and reporting
 Apr 1, 2025 Resolved
Haloacetic Acids (HAA5)
Monitoring and reporting
 Dec 30, 2024 Resolved
Lead and Copper Rule
Monitoring and reporting
 Oct 1, 2017 Resolved
Total Trihalomethanes (TTHMs)
Monitoring and reporting
 Jun 30, 2017 Resolved
Haloacetic Acids (HAA5)
Monitoring and reporting
 Jun 30, 2017 Resolved

Full record since 2001

EPA's records for Delaware Co RWD # 7 go back to 2001. Before October 19, 2016 they list 13 health-based violations (13 resolved) and 4 monitoring or reporting violations.

Violations that began in Health-based Monitoring and reporting
2000s 0 3
2010 to October 18, 2016 13 1
October 19, 2016 to 2019 4 3
2020s 4 2

Most recent health-based violation before October 19, 2016: Haloacetic Acids (HAA5), began October 2016, Resolved.

Show all 13 health-based violations before October 19, 2016
Contaminant Start date Status
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 0.091 mg/L, federal limit 0.06 mg/L (1.5 times the limit)
 Oct 1, 2016 Resolved
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 0.08 mg/L, federal limit 0.06 mg/L (1.3 times the limit)
 Jul 1, 2016 Resolved
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 0.085 mg/L, federal limit 0.06 mg/L (1.4 times the limit)
 Apr 1, 2016 Resolved
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 0.075 mg/L, federal limit 0.06 mg/L (1.3 times the limit)
 Jan 1, 2016 Resolved
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 0.07 mg/L, federal limit 0.06 mg/L (1.2 times the limit)
 Oct 1, 2015 Resolved
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 0.065 mg/L, federal limit 0.06 mg/L (1.1 times the limit)
 Jul 1, 2015 Resolved
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 0.065 mg/L, federal limit 0.06 mg/L (1.1 times the limit)
 Apr 1, 2015 Resolved
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.086 mg/L, federal limit 0.08 mg/L (1.1 times the limit)
 Jan 1, 2015 Resolved
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 0.068 mg/L, federal limit 0.06 mg/L (1.1 times the limit)
 Jan 1, 2015 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, 2014 Resolved
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 0.078 mg/L, federal limit 0.06 mg/L (1.3 times the limit)
 Oct 1, 2014 Resolved
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.107 mg/L, federal limit 0.08 mg/L (1.3 times the limit)
 Jul 1, 2014 Resolved
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 0.071 mg/L, federal limit 0.06 mg/L (1.2 times the limit)
 Jul 1, 2014 Resolved

Enforcement actions

Oklahoma regulators took 15 formal enforcement actions against Delaware Co RWD # 7 between 2014 and 2025. The most recent was a compliance order (no penalty) in July 2025.

Date By Action Violations covered
Jul 1, 2025 Oklahoma Compliance order (no penalty) 1 violation (1 health-based): Haloacetic Acids (HAA5)
Apr 2, 2025 Oklahoma Compliance order (no penalty) 1 violation (1 health-based): Haloacetic Acids (HAA5)
Jan 31, 2025 Oklahoma Compliance order (no penalty) 1 violation (1 health-based): Haloacetic Acids (HAA5)
Oct 31, 2024 Oklahoma Compliance order (no penalty) 1 violation (1 health-based): Haloacetic Acids (HAA5)
Oct 6, 2017 Oklahoma Compliance order with a penalty 1 violation (1 health-based): Haloacetic Acids (HAA5)
Jul 7, 2017 Oklahoma Compliance order with a penalty 1 violation (1 health-based): Haloacetic Acids (HAA5)
Mar 23, 2017 Oklahoma Compliance order with a penalty 2 violations (2 health-based): Haloacetic Acids (HAA5), Total Trihalomethanes (TTHMs)
Mar 6, 2017 Oklahoma Compliance order with a penalty 1 violation (1 health-based): Haloacetic Acids (HAA5)
Dec 6, 2016 Oklahoma Compliance order with a penalty 3 violations (3 health-based): Haloacetic Acids (HAA5)
Jan 29, 2016 Oklahoma Compliance order with a penalty 1 violation (1 health-based): Haloacetic Acids (HAA5)
Oct 20, 2015 Oklahoma Compliance order with a penalty 1 violation (1 health-based): Haloacetic Acids (HAA5)
Aug 26, 2015 Oklahoma Compliance order with a penalty 1 violation (1 health-based): Haloacetic Acids (HAA5)
Apr 28, 2015 Oklahoma Compliance order with a penalty 2 violations (2 health-based): Haloacetic Acids (HAA5), Total Trihalomethanes (TTHMs)
Jan 30, 2015 Oklahoma Compliance order with a penalty 2 violations (2 health-based): Haloacetic Acids (HAA5), Total Trihalomethanes (TTHMs)
Oct 3, 2014 Oklahoma Compliance order with a penalty 2 violations (2 health-based): Haloacetic Acids (HAA5), Total Trihalomethanes (TTHMs)

What the violations mean

Haloacetic Acids (HAA5)

8 incidents

Haloacetic acid byproducts exceeded the federal limit

Long-term exposure to HAAs may increase cancer risk

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

Delaware Co RWD # 7 buys its water from Ketchum PWA Delaware Co System. It lists no wells or intakes of its own.

Buys water from

Annual water quality report

Delaware 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 Delaware 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