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Public water system record

Sallisaw

Serves Sallisaw, Sequoyah County, OK · 8,510 people served

Federal records show 4 health-based violations and 5 monitoring/reporting issues for Sallisaw in the last ten years. The most serious issue in this window was a resolved LEAD AND COPPER RULE REVISIONS violation.

  • OK1020206
  • SALLISAW
  • OK
  • 8,510 served

System profile

Source water Surface water
ZIP 74955
EPA system ID OK1020206

Verify this system on EPA ECHO →

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

Key facts

  • Sallisaw draws water from 1 surface water intake.
  • Highest measured level in the last 10 years: Total Trihalomethanes (TTHMs), 0.086 mg/L, federal limit 0.08 mg/L (1.1 times the limit), 2018.
  • Most recent formal enforcement: compliance order (no penalty) by Oklahoma, June 2018.
  • Record on file since 1996, with 3 health-based violations before October 19, 2016.
  • Lead pipe inventory: 0 lead and 2,811 unknown out of 3,934 service lines.

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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
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.086 mg/L, federal limit 0.08 mg/L (1.1 times the limit)
 220 Apr 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 Jan 1, 2018 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 Oct 1, 2017 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
CARBON, TOTAL
Monitoring and reporting
 Sep 1, 2024 Resolved
CARBON, TOTAL
Monitoring and reporting
 Sep 1, 2024 Resolved
Revised Total Coliform Rule
Monitoring violation
 Apr 1, 2020 Resolved
Chlorine
Monitoring and reporting
 Apr 1, 2020 Resolved

Full record since 1996

EPA's records for Sallisaw go back to 1996. Before October 19, 2016 they list 3 health-based violations (3 resolved) and 5 monitoring or reporting violations.

Violations that began in Health-based Monitoring and reporting
1990s 1 0
2000s 1 5
2010 to October 18, 2016 1 0
October 19, 2016 to 2019 3 0
2020s 1 5

Most recent health-based violation before October 19, 2016: Interim Enhanced Surface Water Treatment Rule (acute), began September 2015, Resolved.

Show all 3 health-based violations before October 19, 2016
Contaminant Start date Status
Interim Enhanced Surface Water Treatment Rule (acute)
Treatment technique failure
 Sep 1, 2015 Resolved
Total Coliform
Contaminant limit exceeded
 Jul 1, 2003 Resolved
Total Coliform
Contaminant limit exceeded
 Sep 1, 1996 Resolved

Enforcement actions

Oklahoma regulators took 3 formal enforcement actions against Sallisaw between 2016 and 2018. The most recent was a compliance order (no penalty) in June 2018.

Date By Action Violations covered
Jun 4, 2018 Oklahoma Compliance order (no penalty) 2 violations (2 health-based): Total Trihalomethanes (TTHMs)
Jan 18, 2018 Oklahoma Compliance order (no penalty) 1 violation (1 health-based): Total Trihalomethanes (TTHMs)
Mar 15, 2016 Oklahoma Compliance order with a penalty 1 violation (1 health-based): Interim Enhanced Surface Water Treatment Rule

What the violations mean

Total Trihalomethanes (TTHMs)

3 incidents

Disinfection byproduct levels exceeded the federal limit

Long-term TTHM exposure may increase bladder 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

Sallisaw draws water from 1 surface water intake. 2 other community water systems buy water from Sallisaw.

Community systems that buy water from it

Annual water quality report

Sallisaw 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