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Public water system record

Atoka Co. RWS & SWMD #4

Serves an area of Atoka County, OK that includes Lane and Bentley · 3,000 people served

Federal records show 48 health-based violations and 19 monitoring/reporting issues for Atoka Co. RWS & SWMD #4 in the last ten years. The most serious issue in this window was a CARBON, TOTAL violation that EPA lists as archived, not resolved.

  • OK1010412
  • ATOKA
  • OK
  • 3,000 served

System profile

Source water Surface water
ZIP 74525
EPA system ID OK1010412

Verify this system on EPA ECHO →

Health-based violations, last 10 years
48
Resolved
17
Unresolved
0
Archived by EPA
31
Any acute record
No
Monitoring issues, last 10 years
19

Key facts

  • Atoka Co. RWS & SWMD #4 draws water from 1 surface water intake.
  • Highest measured level in the last 10 years: Haloacetic Acids (HAA5), 0.121 mg/L, federal limit 0.06 mg/L (2 times the limit), 2016.
  • Most recent formal enforcement: compliance order (no penalty) by Oklahoma, May 2024.
  • Record on file since 1994, with 84 health-based violations before October 19, 2016.
  • Lead pipe inventory: 0 lead and 1,374 unknown out of 3,197 service lines.

Check whether Atoka Co. RWS & SWMD #4 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
CARBON, TOTAL
Treatment technique failure
 210 Jul 1, 2025 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
 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, 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 0.073 mg/L, federal limit 0.06 mg/L (1.2 times the limit)
 220 Jul 1, 2025 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
 No
CARBON, TOTAL
Treatment technique failure
 210 Apr 1, 2025 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
 No
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.095 mg/L, federal limit 0.08 mg/L (1.2 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
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.093 mg/L, federal limit 0.08 mg/L (1.2 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
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 0.069 mg/L, federal limit 0.06 mg/L (1.2 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
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.119 mg/L, federal limit 0.08 mg/L (1.5 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
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.109 mg/L, federal limit 0.08 mg/L (1.4 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 0.079 mg/L, federal limit 0.06 mg/L (1.3 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 0.079 mg/L, federal limit 0.06 mg/L (1.3 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
CARBON, TOTAL
Treatment technique failure
 210 Jan 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
CARBON, TOTAL
Treatment technique failure
 210 Oct 1, 2024 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
 No
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.126 mg/L, federal limit 0.08 mg/L (1.6 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
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.119 mg/L, federal limit 0.08 mg/L (1.5 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 0.075 mg/L, federal limit 0.06 mg/L (1.3 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 0.093 mg/L, federal limit 0.06 mg/L (1.6 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
CARBON, TOTAL
Treatment technique failure
 210 Jul 1, 2024 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
 No
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.121 mg/L, federal limit 0.08 mg/L (1.5 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
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.116 mg/L, federal limit 0.08 mg/L (1.5 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 0.085 mg/L, federal limit 0.06 mg/L (1.4 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, 2024 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
 No
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.106 mg/L, federal limit 0.08 mg/L (1.3 times the limit)
 220 Apr 1, 2024 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
 No
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.106 mg/L, federal limit 0.08 mg/L (1.3 times the limit)
 220 Apr 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 0.062 mg/L, federal limit 0.06 mg/L (at or just above the limit)
 220 Apr 1, 2024 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
 No
CARBON, TOTAL
Treatment technique failure
 210 Jan 1, 2024 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
 No
CARBON, TOTAL
Treatment technique failure
 210 Oct 1, 2023 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
 No
CARBON, TOTAL
Treatment technique failure
 210 Jul 1, 2023 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
 No
CARBON, TOTAL
Treatment technique failure
 210 Apr 1, 2023 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
 No
CARBON, TOTAL
Treatment technique failure
 210 Jan 1, 2023 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
 No
CARBON, TOTAL
Treatment technique failure
 210 Oct 1, 2022 Resolved No
CARBON, TOTAL
Treatment technique failure
 210 Jul 1, 2022 Resolved No
CARBON, TOTAL
Treatment technique failure
 210 Apr 1, 2022 Resolved No
CARBON, TOTAL
Treatment technique failure
 210 Jan 1, 2022 Resolved No
CARBON, TOTAL
Treatment technique failure
 210 Oct 1, 2021 Resolved No
CARBON, TOTAL
Treatment technique failure
 210 Jul 1, 2021 Resolved No
CARBON, TOTAL
Treatment technique failure
 210 Jul 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 Jul 1, 2017 Resolved No
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 0.103 mg/L, federal limit 0.06 mg/L (1.7 times the limit)
 220 Jul 1, 2017 Resolved No
CARBON, TOTAL
Treatment technique failure
 210 Apr 1, 2017 Resolved No
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.104 mg/L, federal limit 0.08 mg/L (1.3 times the limit)
 220 Apr 1, 2017 Resolved No
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 0.085 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 0.135 mg/L, federal limit 0.08 mg/L (1.7 times the limit)
 220 Jan 1, 2017 Resolved No
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 0.097 mg/L, federal limit 0.06 mg/L (1.6 times the limit)
 220 Jan 1, 2017 Resolved No
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.152 mg/L, federal limit 0.08 mg/L (1.9 times the limit)
 220 Oct 1, 2016 Resolved No
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 0.121 mg/L, federal limit 0.06 mg/L (2 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
Chlorine dioxide
Monitoring and reporting
 Nov 1, 2025 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Interim Enhanced Surface Water Treatment Rule
Monitoring and reporting
 Nov 1, 2025 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Chlorine dioxide
Monitoring and reporting
 Jul 1, 2025 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Consumer Confidence Rule
OTHER
 Jul 1, 2025 Resolved
Chlorine dioxide
Monitoring and reporting
 Jan 1, 2025 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Interim Enhanced Surface Water Treatment Rule
Monitoring and reporting
 Jan 1, 2025 Resolved
LEAD AND COPPER RULE REVISIONS
RPT
 Oct 17, 2024 Resolved
Haloacetic Acids (HAA5)
Monitoring and reporting
 Jan 1, 2024 Resolved
Total Trihalomethanes (TTHMs)
Monitoring and reporting
 Jan 1, 2024 Resolved
Chlorine dioxide
Monitoring and reporting
 Sep 1, 2023 Resolved
Interim Enhanced Surface Water Treatment Rule
Monitoring and reporting
 Sep 1, 2023 Resolved
Chlorine dioxide
Monitoring and reporting
 Sep 1, 2022 Resolved
Interim Enhanced Surface Water Treatment Rule
Monitoring and reporting
 Sep 1, 2022 Resolved
Revised Total Coliform Rule
Monitoring violation
 Aug 1, 2021 Resolved
Chlorine
Monitoring and reporting
 Jul 1, 2021 Resolved
Revised Total Coliform Rule
Monitoring violation
 Jun 1, 2021 Resolved
Chlorine
Monitoring and reporting
 Apr 1, 2021 Resolved
Chlorite
Monitoring and reporting
 Oct 1, 2018 Resolved
Haloacetic Acids (HAA5)
Monitoring and reporting
 Sep 29, 2017 Resolved

Full record since 1994

EPA's records for Atoka Co. RWS & SWMD #4 go back to 1994. Before October 19, 2016 they list 84 health-based violations (84 resolved) and 46 monitoring or reporting violations.

Violations that began in Health-based Monitoring and reporting
1990s 1 1
2000s 50 8
2010 to October 18, 2016 33 37
October 19, 2016 to 2019 8 2
2020s 38 17

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

Show all 84 health-based violations before October 19, 2016
Contaminant Start date Status
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.152 mg/L, federal limit 0.08 mg/L (1.9 times the limit)
 Oct 1, 2016 Resolved
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 0.121 mg/L, federal limit 0.06 mg/L (2 times the limit)
 Oct 1, 2016 Resolved
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.172 mg/L, federal limit 0.08 mg/L (2.2 times the limit)
 Jul 1, 2016 Resolved
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 0.117 mg/L, federal limit 0.06 mg/L (2 times the limit)
 Jul 1, 2016 Resolved
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.158 mg/L, federal limit 0.08 mg/L (2 times the limit)
 Apr 1, 2016 Resolved
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 0.138 mg/L, federal limit 0.06 mg/L (2.3 times the limit)
 Apr 1, 2016 Resolved
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.186 mg/L, federal limit 0.08 mg/L (2.3 times the limit)
 Jan 1, 2016 Resolved
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 0.167 mg/L, federal limit 0.06 mg/L (2.8 times the limit)
 Jan 1, 2016 Resolved
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.116 mg/L, federal limit 0.08 mg/L (1.5 times the limit)
 Oct 1, 2015 Resolved
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 0.106 mg/L, federal limit 0.06 mg/L (1.8 times the limit)
 Oct 1, 2015 Resolved
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.109 mg/L, federal limit 0.08 mg/L (1.4 times the limit)
 Jul 1, 2015 Resolved
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 0.088 mg/L, federal limit 0.06 mg/L (1.5 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)
 Jul 1, 2013 Resolved
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 0.097 mg/L, federal limit 0.06 mg/L (1.6 times the limit)
 Jul 1, 2013 Resolved
CARBON, TOTAL
Treatment technique failure
 Apr 1, 2013 Resolved
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 0.072 mg/L, federal limit 0.06 mg/L (1.2 times the limit)
 Apr 1, 2013 Resolved
CARBON, TOTAL
Treatment technique failure
 Jan 1, 2013 Resolved
CARBON, TOTAL
Treatment technique failure
 Jul 1, 2012 Resolved
CARBON, TOTAL
Treatment technique failure
 Apr 1, 2012 Resolved
CARBON, TOTAL
Treatment technique failure
 Jan 1, 2012 Resolved
CARBON, TOTAL
Treatment technique failure
 Oct 1, 2011 Resolved
CARBON, TOTAL
Treatment technique failure
 Jul 1, 2011 Resolved
CARBON, TOTAL
Treatment technique failure
 Apr 1, 2011 Resolved
CARBON, TOTAL
Treatment technique failure
 Jan 1, 2011 Resolved
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.093 mg/L, federal limit 0.08 mg/L (1.2 times the limit)
 Jan 1, 2011 Resolved
CARBON, TOTAL
Treatment technique failure
 Oct 1, 2010 Resolved
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.084 mg/L, federal limit 0.08 mg/L (1.1 times the limit)
 Oct 1, 2010 Resolved
CARBON, TOTAL
Treatment technique failure
 Jul 1, 2010 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, 2010 Resolved
CARBON, TOTAL
Treatment technique failure
 Apr 1, 2010 Resolved
CARBON, TOTAL
Treatment technique failure
 Jan 1, 2010 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, 2010 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, 2009 Resolved
CARBON, TOTAL
Treatment technique failure
 Oct 1, 2009 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, 2009 Resolved
CARBON, TOTAL
Treatment technique failure
 Jul 1, 2009 Resolved
CARBON, TOTAL
Treatment technique failure
 Apr 1, 2009 Resolved
CARBON, TOTAL
Treatment technique failure
 Jan 1, 2009 Resolved
CARBON, TOTAL
Treatment technique failure
 Oct 1, 2008 Resolved
CARBON, TOTAL
Treatment technique failure
 Jul 1, 2008 Resolved
CARBON, TOTAL
Treatment technique failure
 Apr 1, 2008 Resolved
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.082 mg/L, federal limit 0.08 mg/L (at or just above the limit)
 Apr 1, 2008 Resolved
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 0.073 mg/L, federal limit 0.06 mg/L (1.2 times the limit)
 Apr 1, 2008 Resolved
CARBON, TOTAL
Treatment technique failure
 Jan 1, 2008 Resolved
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.092 mg/L, federal limit 0.08 mg/L (1.2 times the limit)
 Jan 1, 2008 Resolved
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 0.115 mg/L, federal limit 0.06 mg/L (1.9 times the limit)
 Jan 1, 2008 Resolved
CARBON, TOTAL
Treatment technique failure
 Oct 1, 2007 Resolved
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.1 mg/L, federal limit 0.08 mg/L (1.3 times the limit)
 Oct 1, 2007 Resolved
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 0.147 mg/L, federal limit 0.06 mg/L (2.5 times the limit)
 Oct 1, 2007 Resolved

34 older violations are not listed here. EPA ECHO has the complete list.

Enforcement actions

Oklahoma regulators took 23 formal enforcement actions against Atoka Co. RWS & SWMD #4 between 2005 and 2024, filed as 25 records in EPA's data. The most recent was a compliance order (no penalty) in May 2024.

Date By Action Violations covered
May 28, 2024 Oklahoma Compliance order (no penalty) 2 violations: Total Trihalomethanes (TTHMs), Haloacetic Acids (HAA5)
Nov 16, 2023 Oklahoma Compliance order with a penalty 31 violations (31 health-based): Haloacetic Acids (HAA5), CARBON, TOTAL, Total Trihalomethanes (TTHMs)
Nov 15, 2023 Oklahoma Compliance order (no penalty) 1 violation (1 health-based): CARBON, TOTAL
Aug 17, 2023 Oklahoma Compliance order (no penalty) 1 violation (1 health-based): CARBON, TOTAL
Jul 6, 2023 Oklahoma Compliance order (no penalty) 1 violation (1 health-based): CARBON, TOTAL
Jul 19, 2016 Oklahoma Compliance order with a penalty 27 violations (27 health-based): CARBON, TOTAL, Haloacetic Acids (HAA5), Total Trihalomethanes (TTHMs)
Mar 9, 2016 Oklahoma Compliance order with a penalty 2 violations (2 health-based): Total Trihalomethanes (TTHMs), Haloacetic Acids (HAA5)
Dec 2, 2015 Oklahoma Compliance order with a penalty 2 violations (2 health-based): Haloacetic Acids (HAA5), Total Trihalomethanes (TTHMs)
Sep 9, 2015 Oklahoma Compliance order with a penalty 1 violation (1 health-based): Haloacetic Acids (HAA5)
Dec 10, 2009 Oklahoma Compliance order with a penalty 81 violations (68 health-based): CARBON, TOTAL, Total Trihalomethanes (TTHMs), Haloacetic Acids (HAA5)
Nov 27, 2007 Oklahoma Compliance order with a penalty 2 violations (2 health-based): CARBON, TOTAL, Haloacetic Acids (HAA5)
Sep 12, 2007 Oklahoma Compliance order with a penalty 64 violations (64 health-based): CARBON, TOTAL, Total Trihalomethanes (TTHMs), Haloacetic Acids (HAA5)
May 14, 2007 Oklahoma Compliance order with a penalty 2 violations (2 health-based): Haloacetic Acids (HAA5), CARBON, TOTAL
Feb 5, 2007 Oklahoma Compliance order with a penalty 2 violations (2 health-based): CARBON, TOTAL, Haloacetic Acids (HAA5)
Dec 8, 2006 Oklahoma Compliance order with a penalty 2 violations (2 health-based): CARBON, TOTAL, Haloacetic Acids (HAA5)
Sep 27, 2006 Oklahoma Compliance order with a penalty 2 violations (2 health-based): CARBON, TOTAL, Haloacetic Acids (HAA5)
Sep 8, 2006 Oklahoma Compliance order with a penalty 3 violations (3 health-based): Total Trihalomethanes (TTHMs), CARBON, TOTAL, Haloacetic Acids (HAA5)
Aug 11, 2006 Oklahoma Compliance order with a penalty 2 violations (2 health-based): Interim Enhanced Surface Water Treatment Rule
Apr 14, 2006 Oklahoma Compliance order with a penalty 3 violations (3 health-based): Total Trihalomethanes (TTHMs), Haloacetic Acids (HAA5), CARBON, TOTAL
Jan 3, 2006 Oklahoma Compliance order with a penalty 6 violations (6 health-based): Haloacetic Acids (HAA5), Total Trihalomethanes (TTHMs), CARBON, TOTAL
Nov 15, 2005 Oklahoma Compliance order with a penalty 3 violations (2 health-based): Haloacetic Acids (HAA5), CARBON, TOTAL
Mar 24, 2005 Oklahoma Compliance order with a penalty 3 violations (3 health-based): CARBON, TOTAL, Haloacetic Acids (HAA5), Total Trihalomethanes (TTHMs)
Jan 11, 2005 Oklahoma Compliance order with a penalty 1 violation (1 health-based): Haloacetic Acids (HAA5)

What the violations mean

CARBON, TOTAL

18 incidents

The system did not complete a treatment step or action that federal rules require for CARBON, TOTAL (a treatment technique violation).

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

Total Trihalomethanes (TTHMs)

15 incidents

Disinfection byproduct levels exceeded the federal limit

Long-term TTHM exposure may increase bladder cancer risk

Haloacetic Acids (HAA5)

14 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

Atoka Co. RWS & SWMD #4 draws water from 1 surface water intake. 2 other community water systems buy water from Atoka Co. RWS & SWMD #4. 1 other public water system has an emergency connection to Atoka Co. RWS & SWMD #4.

Community systems that buy water from it

Annual water quality report

Atoka Co. RWS & SWMD #4 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