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Public water system record

McCurtain Co. RWD #6 (Kiamichi)

Serves Smithville, McCurtain County, OK · 600 people served

Federal records show 20 health-based violations and 3 monitoring/reporting issues for McCurtain Co. RWD #6 (Kiamichi) in the last ten years. The most serious issue in this window was a resolved LEAD AND COPPER RULE REVISIONS violation.

  • OK3004817
  • SMITHVILLE
  • OK
  • 600 served

System profile

Source water Purchased surface water
ZIP 74957
EPA system ID OK3004817

Verify this system on EPA ECHO →

Health-based violations, last 10 years
20
Resolved
20
Unresolved
0
Any acute record
No
Monitoring issues, last 10 years
3

Key facts

  • McCurtain Co. RWD #6 (Kiamichi) buys its water from Broken Bow PWA.
  • Highest measured level in the last 10 years: Total Trihalomethanes (TTHMs), 0.128 mg/L, federal limit 0.08 mg/L (1.6 times the limit), 2017.
  • Most recent formal enforcement: compliance order (no penalty) by Oklahoma, November 2021.
  • Record on file since 2015, with 5 health-based violations before October 19, 2016.
  • Lead pipe inventory: 0 lead and 0 unknown out of 1,081 service lines.

Check whether McCurtain Co. RWD #6 (Kiamichi) 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
LEAD AND COPPER RULE REVISIONS
Treatment technique failure
 350 Oct 17, 2024 Resolved No
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 0.068 mg/L, federal limit 0.06 mg/L (1.1 times the limit)
 220 Jan 1, 2021 Resolved No
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 0.065 mg/L, federal limit 0.06 mg/L (1.1 times the limit)
 220 Jan 1, 2021 Resolved No
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.084 mg/L, federal limit 0.08 mg/L (1.1 times the limit)
 220 Oct 1, 2020 Resolved No
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 0.073 mg/L, federal limit 0.06 mg/L (1.2 times the limit)
 220 Oct 1, 2020 Resolved No
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 0.073 mg/L, federal limit 0.06 mg/L (1.2 times the limit)
 220 Oct 1, 2020 Resolved No
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.091 mg/L, federal limit 0.08 mg/L (1.1 times the limit)
 220 Jul 1, 2020 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 Jul 1, 2020 Resolved No
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 0.072 mg/L, federal limit 0.06 mg/L (1.2 times the limit)
 220 Jul 1, 2020 Resolved 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, 2020 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 Apr 1, 2020 Resolved No
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 0.068 mg/L, federal limit 0.06 mg/L (1.1 times the limit)
 220 Apr 1, 2020 Resolved No
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.084 mg/L, federal limit 0.08 mg/L (1.1 times the limit)
 220 Jan 1, 2020 Resolved No
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 0.061 mg/L, federal limit 0.06 mg/L (at or just above the limit)
 220 Jan 1, 2020 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, 2018 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 Oct 1, 2017 Resolved No
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.128 mg/L, federal limit 0.08 mg/L (1.6 times the limit)
 220 Jul 1, 2017 Resolved No
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.117 mg/L, federal limit 0.08 mg/L (1.5 times the limit)
 220 Apr 1, 2017 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 Jan 1, 2017 Resolved No
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.11 mg/L, federal limit 0.08 mg/L (1.4 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
LEAD AND COPPER RULE REVISIONS
RPT
 Oct 17, 2024 Resolved
Haloacetic Acids (HAA5)
Monitoring and reporting
 Apr 1, 2021 Resolved
Total Trihalomethanes (TTHMs)
Monitoring and reporting
 Apr 1, 2021 Resolved

Full record since 2015

EPA's records for McCurtain Co. RWD #6 (Kiamichi) go back to 2015. Before October 19, 2016 they list 5 health-based violations (5 resolved) and 2 monitoring or reporting violations.

Violations that began in Health-based Monitoring and reporting
2010 to October 18, 2016 5 2
October 19, 2016 to 2019 5 0
2020s 14 3

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

Show all 5 health-based violations before October 19, 2016
Contaminant Start date Status
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.11 mg/L, federal limit 0.08 mg/L (1.4 times the limit)
 Oct 1, 2016 Resolved
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
Revised Total Coliform Rule (acute)
Contaminant limit exceeded
 Jun 1, 2016 Resolved
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.124 mg/L, federal limit 0.08 mg/L (1.6 times the limit)
 Apr 1, 2016 Resolved
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.149 mg/L, federal limit 0.08 mg/L (1.9 times the limit)
 Jan 1, 2016 Resolved

Enforcement actions

Oklahoma regulators took 9 formal enforcement actions against McCurtain Co. RWD #6 (Kiamichi) and issued 1 boil water order between 2016 and 2021, filed as 11 records in EPA's data. The most recent was a compliance order (no penalty) in November 2021.

Date By Action Violations covered
Nov 5, 2021 Oklahoma Compliance order (no penalty) 2 violations (2 health-based): Haloacetic Acids (HAA5)
Mar 12, 2021 Oklahoma Compliance order (no penalty) 3 violations (3 health-based): Haloacetic Acids (HAA5), Total Trihalomethanes (TTHMs)
Nov 20, 2020 Oklahoma Compliance order (no penalty) 4 violations (4 health-based): Haloacetic Acids (HAA5), Total Trihalomethanes (TTHMs)
Aug 7, 2020 Oklahoma Compliance order (no penalty) 4 violations (4 health-based): Total Trihalomethanes (TTHMs), Haloacetic Acids (HAA5)
Apr 17, 2020 Oklahoma Compliance order (no penalty) 2 violations (2 health-based): Haloacetic Acids (HAA5), Total Trihalomethanes (TTHMs)
Apr 23, 2018 Oklahoma Compliance order (no penalty) 2 violations (2 health-based): Total Trihalomethanes (TTHMs)
Sep 22, 2017 Oklahoma Compliance order with a penalty 1 violation (1 health-based): Total Trihalomethanes (TTHMs)
Jul 28, 2017 Oklahoma Compliance order with a penalty 1 violation (1 health-based): Total Trihalomethanes (TTHMs)
May 24, 2017 Oklahoma Compliance order with a penalty 5 violations (5 health-based): Total Trihalomethanes (TTHMs)
Jun 20, 2016 Oklahoma Boil water order 1 violation (1 health-based): Revised Total Coliform Rule

What the violations mean

Total Trihalomethanes (TTHMs)

11 incidents

Disinfection byproduct levels exceeded the federal limit

Long-term TTHM exposure may increase bladder cancer risk

Haloacetic Acids (HAA5)

8 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.

Where the water comes from

McCurtain Co. RWD #6 (Kiamichi) buys its water from Broken Bow PWA. It lists no wells or intakes of its own.

Buys water from

Annual water quality report

McCurtain Co. RWD #6 (Kiamichi) 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.

Certified drinking water labs by state EPA guidance for private wells