Public water system record

Hinton

Serves an area of Caddo County, OK that includes Hinton · 2,600 people served

Federal records show 18 health-based violations and 14 monitoring/reporting issues for Hinton in the last ten years, including an unresolved LEAD AND COPPER RULE REVISIONS violation.

OK2000809
HINTON
OK
2,600 served

System profile

Source water Groundwater

ZIP 73047

EPA system ID OK2000809

Verify this system on EPA ECHO →

Health-based violations, last 10 years: 18
Resolved: 17
Unresolved: 1
Any acute record: Yes
Monitoring issues, last 10 years: 14

Key facts

Hinton draws water from 8 wells.
Highest measured level in the last 10 years: Arsenic, 0.012 mg/L, federal limit 0.01 mg/L (1.2 times the limit), 2018.
Most recent formal enforcement: compliance order with a penalty by Oklahoma, April 2016.
Record on file since 1992, with 23 health-based violations before October 19, 2016.

Check whether Hinton serves your address

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	Active	No
Arsenic Contaminant limit exceeded Measured 0.011 mg/L, federal limit 0.01 mg/L (1.1 times the limit)	330	Apr 1, 2021	Resolved	No
Arsenic Contaminant limit exceeded Measured 0.011 mg/L, federal limit 0.01 mg/L (1.1 times the limit)	330	Jan 1, 2021	Resolved	No
Arsenic Contaminant limit exceeded Measured 0.011 mg/L, federal limit 0.01 mg/L (1.1 times the limit)	330	Oct 1, 2020	Resolved	No
Arsenic Contaminant limit exceeded Measured 0.011 mg/L, federal limit 0.01 mg/L (1.1 times the limit)	330	Jul 1, 2020	Resolved	No
Arsenic Contaminant limit exceeded Measured 0.011 mg/L, federal limit 0.01 mg/L (1.1 times the limit)	330	Apr 1, 2020	Resolved	No
Arsenic Contaminant limit exceeded Measured 0.011 mg/L, federal limit 0.01 mg/L (1.1 times the limit)	330	Jan 1, 2020	Resolved	No
Arsenic Contaminant limit exceeded Measured 0.011 mg/L, federal limit 0.01 mg/L (1.1 times the limit)	330	Oct 1, 2019	Resolved	No
Arsenic Contaminant limit exceeded Measured 0.011 mg/L, federal limit 0.01 mg/L (1.1 times the limit)	330	Jul 1, 2019	Resolved	No
Arsenic Contaminant limit exceeded Measured 0.011 mg/L, federal limit 0.01 mg/L (1.1 times the limit)	330	Apr 1, 2019	Resolved	No
Arsenic Contaminant limit exceeded Measured 0.011 mg/L, federal limit 0.01 mg/L (1.1 times the limit)	330	Apr 1, 2018	Resolved	No
Arsenic Contaminant limit exceeded Measured 0.012 mg/L, federal limit 0.01 mg/L (1.2 times the limit)	330	Jan 1, 2018	Resolved	No
Arsenic Contaminant limit exceeded Measured 0.011 mg/L, federal limit 0.01 mg/L (1.1 times the limit)	330	Oct 1, 2017	Resolved	No
Arsenic Contaminant limit exceeded Measured 0.011 mg/L, federal limit 0.01 mg/L (1.1 times the limit)	330	Jul 1, 2017	Resolved	No
Arsenic Contaminant limit exceeded Measured 0.011 mg/L, federal limit 0.01 mg/L (1.1 times the limit)	330	Apr 1, 2017	Resolved	No
Arsenic Contaminant limit exceeded Measured 0.011 mg/L, federal limit 0.01 mg/L (1.1 times the limit)	330	Jan 1, 2017	Resolved	No
Arsenic Contaminant limit exceeded Measured 0.011 mg/L, federal limit 0.01 mg/L (1.1 times the limit)	330	Oct 1, 2016	Resolved	No
Nitrate-Nitrite Contaminant limit exceeded	330	Jan 1, 2016	Resolved	Yes

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
LEAD AND COPPER RULE REVISIONS RPT	Oct 17, 2024	Active
Asbestos Monitoring and reporting	Jan 1, 2023	Resolved
Chlorine Monitoring and reporting	Oct 1, 2022	Resolved
Selenium Monitoring and reporting	Jan 1, 2014	Resolved
Thallium, Total Monitoring and reporting	Jan 1, 2014	Resolved
Beryllium, Total Monitoring and reporting	Jan 1, 2014	Resolved
Antimony, Total Monitoring and reporting	Jan 1, 2014	Resolved
Nickel Monitoring and reporting	Jan 1, 2014	Resolved
Mercury Monitoring and reporting	Jan 1, 2014	Resolved
Fluoride Monitoring and reporting	Jan 1, 2014	Resolved
Chromium (total) Monitoring and reporting	Jan 1, 2014	Resolved
Cadmium Monitoring and reporting	Jan 1, 2014	Resolved
Barium Monitoring and reporting	Jan 1, 2014	Resolved

Full record since 1992

EPA's records for Hinton go back to 1992. Before October 19, 2016 they list 23 health-based violations (23 resolved) and 27 monitoring or reporting violations.

Violations that began in	Health-based	Monitoring and reporting
1990s	0	4
2000s	6	11
2010 to October 18, 2016	17	12
October 19, 2016 to 2019	9	0
2020s	7	4

Most recent health-based violation before October 19, 2016: Arsenic, began October 2016, Resolved.

Show all 23 health-based violations before October 19, 2016

Contaminant	Start date	Status
Arsenic Contaminant limit exceeded Measured 0.011 mg/L, federal limit 0.01 mg/L (1.1 times the limit)	Oct 1, 2016	Resolved
Nitrate-Nitrite (acute) Contaminant limit exceeded	Jan 1, 2016	Resolved
Arsenic Contaminant limit exceeded Measured 0.011 mg/L, federal limit 0.01 mg/L (1.1 times the limit)	Oct 1, 2015	Resolved
Arsenic Contaminant limit exceeded Measured 0.011 mg/L, federal limit 0.01 mg/L (1.1 times the limit)	Apr 1, 2015	Resolved
Arsenic Contaminant limit exceeded Measured 0.011 mg/L, federal limit 0.01 mg/L (1.1 times the limit)	Jan 1, 2014	Resolved
Arsenic Contaminant limit exceeded Measured 0.011 mg/L, federal limit 0.01 mg/L (1.1 times the limit)	Oct 1, 2013	Resolved
Arsenic Contaminant limit exceeded Measured 0.012 mg/L, federal limit 0.01 mg/L (1.2 times the limit)	Jul 1, 2013	Resolved
Arsenic Contaminant limit exceeded Measured 0.011 mg/L, federal limit 0.01 mg/L (1.1 times the limit)	Apr 1, 2013	Resolved
Arsenic Contaminant limit exceeded Measured 12 µg/L, federal limit 10 µg/L (1.2 times the limit)	Jan 1, 2013	Resolved
Arsenic Contaminant limit exceeded Measured 0.012 mg/L, federal limit 0.01 mg/L (1.2 times the limit)	Oct 1, 2012	Resolved
Arsenic Contaminant limit exceeded Measured 0.011 mg/L, federal limit 0.01 mg/L (1.1 times the limit)	Oct 1, 2012	Resolved
Arsenic Contaminant limit exceeded Measured 0.011 mg/L, federal limit 0.01 mg/L (1.1 times the limit)	Jan 1, 2011	Resolved
Arsenic Contaminant limit exceeded Measured 0.011 mg/L, federal limit 0.01 mg/L (1.1 times the limit)	Oct 1, 2010	Resolved
Arsenic Contaminant limit exceeded Measured 0.011 mg/L, federal limit 0.01 mg/L (1.1 times the limit)	Jul 1, 2010	Resolved
Arsenic Contaminant limit exceeded Measured 0.012 mg/L, federal limit 0.01 mg/L (1.2 times the limit)	Apr 1, 2010	Resolved
Nitrate-Nitrite (acute) Contaminant limit exceeded	Apr 1, 2010	Resolved
Arsenic Contaminant limit exceeded Measured 0.012 mg/L, federal limit 0.01 mg/L (1.2 times the limit)	Jan 1, 2010	Resolved
Arsenic Contaminant limit exceeded Measured 0.012 mg/L, federal limit 0.01 mg/L (1.2 times the limit)	Oct 1, 2009	Resolved
Arsenic Contaminant limit exceeded Measured 0.011 mg/L, federal limit 0.01 mg/L (1.1 times the limit)	Jul 1, 2009	Resolved
Arsenic Contaminant limit exceeded Measured 0.011 mg/L, federal limit 0.01 mg/L (1.1 times the limit)	Apr 1, 2009	Resolved
Nitrate-Nitrite (acute) Contaminant limit exceeded	Jul 1, 2005	Resolved
Nitrate-Nitrite (acute) Contaminant limit exceeded	Apr 1, 2005	Resolved
Total Coliform Contaminant limit exceeded	Jun 1, 2004	Resolved

Enforcement actions

Oklahoma regulators took 8 formal enforcement actions against Hinton between 2005 and 2016. The most recent was a compliance order with a penalty in April 2016.

Date	By	Action	Violations covered
Apr 12, 2016	Oklahoma	Compliance order with a penalty	1 violation (1 health-based): Nitrate-Nitrite
Dec 20, 2012	Oklahoma	Compliance order with a penalty	2 violations (2 health-based): Arsenic
Jun 3, 2010	Oklahoma	Compliance order with a penalty	1 violation (1 health-based): Nitrate-Nitrite
Apr 30, 2010	Oklahoma	Compliance order with a penalty	33 violations (33 health-based): Arsenic
Mar 19, 2010	Oklahoma	Compliance order with a penalty	1 violation (1 health-based): Arsenic
Feb 8, 2010	Oklahoma	Compliance order with a penalty	1 violation (1 health-based): Arsenic
Jul 28, 2009	Oklahoma	Compliance order with a penalty	2 violations (2 health-based): Arsenic
Jul 20, 2005	Oklahoma	Compliance order with a penalty	1 violation (1 health-based): Nitrate-Nitrite

What the violations mean

Arsenic

16 incidents

Arsenic exceeded the federal limit

Long-term arsenic exposure is linked to cancer and cardiovascular effects

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.

Nitrate-Nitrite

1 incident

Test results for Nitrate-Nitrite were above the federal limit (a maximum contaminant level violation).

The utility had to notify customers about this violation.

Where the water comes from

Hinton draws water from 8 wells.

Annual water quality report

Hinton 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