Public water system record

Creek Co RWD # 1

Serves an area of Creek County, OK that includes Kellyville · 5,675 people served

Federal records show 4 health-based violations and 2 monitoring/reporting issues for Creek Co RWD # 1 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.

  • OK1020419
  • KELLYVILLE
  • OK
  • 5,675 served

System profile

Source water Surface water
ZIP 74039
EPA system ID OK1020419

Verify this system on EPA ECHO →

Health-based violations, last 10 years
4
Resolved
2
Unresolved
0
Archived by EPA
2
Any acute record
Yes
Monitoring issues, last 10 years
2

Key facts

  • Creek Co RWD # 1 draws water from 1 surface water intake.
  • Highest measured level in the last 10 years: Haloacetic Acids (HAA5), 0.083 mg/L, federal limit 0.06 mg/L (1.4 times the limit), 2025.
  • Most recent formal enforcement: compliance order (no penalty) by Oklahoma, August 2025.
  • Record on file since 1987, with 28 health-based violations before October 19, 2016.
  • Lead pipe inventory: 0 lead and 1,156 unknown out of 2,445 service lines.

Check whether Creek Co RWD # 1 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 0.075 mg/L, federal limit 0.06 mg/L (1.3 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 0.083 mg/L, federal limit 0.06 mg/L (1.4 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
LEAD AND COPPER RULE REVISIONS
Treatment technique failure
350 Oct 17, 2024 Resolved No
Interim Enhanced Surface Water Treatment Rule
Treatment technique failure
120 Jan 1, 2021 Resolved Yes

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
Jun 30, 2025 Resolved
LEAD AND COPPER RULE REVISIONS
RPT
Oct 17, 2024 Resolved

Full record since 1987

EPA's records for Creek Co RWD # 1 go back to 1987. Before October 19, 2016 they list 28 health-based violations (27 resolved, 1 archived by EPA without a recorded fix) and 3 monitoring or reporting violations.

Violations that began in Health-based Monitoring and reporting
1980s 5 0
1990s 13 1
2000s 4 2
2010 to October 18, 2016 6 0
2020s 4 2

Most recent health-based violation before October 19, 2016: Total Trihalomethanes (TTHMs), began January 2014, Resolved.

Show all 28 health-based violations before October 19, 2016
Contaminant Start date Status
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.082 mg/L, federal limit 0.08 mg/L (at or just above the limit)
Jan 1, 2014 Resolved
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.091 mg/L, federal limit 0.08 mg/L (1.1 times the limit)
Jan 1, 2014 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, 2013 Resolved
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.084 mg/L, federal limit 0.08 mg/L (1.1 times the limit)
Jul 1, 2013 Resolved
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Jan 1, 2013 Resolved
Total Coliform
Contaminant limit exceeded
Jun 1, 2011 Resolved
Total Coliform
Contaminant limit exceeded
Aug 1, 2006 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, 2006 Resolved
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.087 mg/L, federal limit 0.08 mg/L (1.1 times the limit)
Oct 1, 2005 Resolved
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.086 mg/L, federal limit 0.08 mg/L (1.1 times the limit)
Jul 1, 2005 Resolved
Surface Water Treatment Rule
Treatment technique failure
Nov 1, 1996 Archived
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Oct 1, 1996 Resolved
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Jul 1, 1996 Resolved
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Apr 1, 1996 Resolved
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Jan 1, 1996 Resolved
Surface Water Treatment Rule
Treatment technique failure
Jul 1, 1995 Resolved
Surface Water Treatment Rule
Treatment technique failure
Jun 1, 1995 Resolved
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Oct 1, 1994 Resolved
Surface Water Treatment Rule
Treatment technique failure
May 1, 1994 Resolved
Surface Water Treatment Rule
Treatment technique failure
Apr 1, 1994 Resolved
Surface Water Treatment Rule
Treatment technique failure
Jan 1, 1994 Resolved
Total Coliform
Contaminant limit exceeded
Jun 1, 1992 Resolved
Total Coliform
Contaminant limit exceeded
Nov 1, 1991 Resolved
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Apr 1, 1989 Resolved
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Jan 1, 1989 Resolved
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Aug 1, 1987 Resolved
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
May 1, 1987 Resolved
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Feb 1, 1987 Resolved

Enforcement actions

Oklahoma regulators took 11 formal enforcement actions against Creek Co RWD # 1 between 1987 and 2025. The most recent was a compliance order (no penalty) in August 2025.

Date By Action Violations covered
Aug 7, 2025 Oklahoma Compliance order (no penalty) 2 violations (2 health-based): Haloacetic Acids (HAA5)
Nov 5, 2021 Oklahoma Compliance order (no penalty) 1 violation (1 health-based): Interim Enhanced Surface Water Treatment Rule
Jun 16, 2014 Oklahoma Compliance order with a penalty 4 violations (4 health-based): Total Trihalomethanes (TTHMs)
Jun 25, 2008 Oklahoma Compliance order with a penalty 1 violation: Arsenic
Aug 9, 2006 Oklahoma Compliance order with a penalty 1 violation (1 health-based): Total Trihalomethanes (TTHMs)
Apr 11, 2006 Oklahoma Compliance order with a penalty 1 violation (1 health-based): Total Trihalomethanes (TTHMs)
Jan 25, 2006 Oklahoma Compliance order with a penalty 1 violation (1 health-based): Total Trihalomethanes (TTHMs)
Dec 17, 1996 Oklahoma Compliance order (no penalty) 1 violation (1 health-based): Surface Water Treatment Rule
Jul 19, 1995 Oklahoma Compliance order (no penalty) 1 violation (1 health-based): Surface Water Treatment Rule
Oct 5, 1994 Oklahoma Compliance order (no penalty) 2 violations (2 health-based): Surface Water Treatment Rule
Sep 30, 1987 Oklahoma Compliance order (no penalty) 3 violations (3 health-based): Total Trihalomethanes (TTHMs)

What the violations mean

Haloacetic Acids (HAA5)

2 incidents

Haloacetic acid byproducts exceeded the federal limit

Long-term exposure to HAAs may increase cancer risk

LEAD AND COPPER RULE REVISIONS

1 incident

The system did not complete a treatment step or action that the LEAD AND COPPER RULE REVISIONS requires (a treatment technique violation).

The utility had to notify customers about this violation.

Interim Enhanced Surface Water Treatment Rule

1 incident

The system did not meet a filtration or treatment requirement for surface water

Inadequate treatment of surface water can let pathogens such as Cryptosporidium and Giardia through

Where the water comes from

Creek Co RWD # 1 draws water from 1 surface water intake. 2 other community water systems buy water from Creek Co RWD # 1.

Community systems that buy water from it

Annual water quality report

Creek Co RWD # 1 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 Oklahoma.