Public water system · OK1020206
ActiveSallisaw
At a glance
Sallisaw (PWSID OK1020206) is an active community water system in Sequoyah County, Oklahoma. It reports serving 8,510 people through 3,934 service connections. Its primary water source is surface water, and EPA lists it as owned by a local government. Of the 12 most recent violations in EPA's records, 5 are health-based, and the most recent began in October 2024.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
8,510
Service connections
3,934
Primary source
SW
Surface water
System type
CWS
Community water system
System record
How does Sallisaw compare with other water systems in Sequoyah County?
By EPA's size categories, Sallisaw is a medium system (3,301 to 10,000 people). Sequoyah County has 15 active public water systems, and Sallisaw is the 2nd-largest of them by population served. Its population served is about 3.2 times the county average of 2,693 people per system, and accounts for 21% of the 40,394 people reported by systems filed under the county. Across Oklahoma, the 1,254 active systems average 2,907 people each. Nationally, the average active community water system reports serving 6,703 people, so Sallisaw is about 27% above that figure.
What does “community water system” mean?
A community water system serves at least 15 connections used by year-round residents, or regularly serves at least 25 year-round residents. Homes, apartments and mobile-home parks are served by these. Oklahoma has 864 active community water systems, 69% of the state's 1,254 active systems. Surface water means the system draws its water from rivers, lakes, streams or reservoirs. 175 Oklahoma systems (14%) list surface water as their primary source.
Who owns and regulates Sallisaw?
EPA lists Sallisaw as owned by a local government. The OK state drinking water program is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act. 14 of the 15 active systems in Sequoyah County (93%) are also owned by a local government.
Does Sallisaw have drinking water violations?
Of the 12 most recent violations in EPA's records, 5 are health-based, and the most recent began in October 2024. The violations listed here began between January 2004 and October 2024. By type: 5 monitoring and reporting, 3 contaminant level above the legal limit, 2 required treatment not met, 1 reporting and 1 monitoring. The contaminant or rule involved most often is Total trihalomethanes (TTHM) (3 of them). EPA lists 12 as resolved. Resolved means at least one resolving action is on record: the system returned to compliance, the rule no longer applies, or no further action was needed.
| Began | Violation | Contaminant or rule | Health-based | Status |
|---|---|---|---|---|
| 2024-10-17 | Required treatment not metLSL Inventory · code 2E | Lead and Copper Rule Revisionscode 5200 | Yes | Resolved |
| 2024-10-17 | ReportingLSL Reporting · code 4G | Lead and Copper Rule Revisionscode 5200 | No | Resolved |
| 2024-09-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Carbon, totalcode 2920 | No | Resolved |
| 2024-09-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Carbon, totalcode 2920 | No | Resolved |
| 2020-04-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2020-04-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Chlorinecode 0999 | No | Resolved |
| 2018-04-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Total trihalomethanes (TTHM)code 2950 | Yes | Resolved |
| 2018-01-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Total trihalomethanes (TTHM)code 2950 | Yes | Resolved |
| 2017-10-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Total trihalomethanes (TTHM)code 2950 | Yes | Resolved |
| 2015-09-01 | Required treatment not metMonthly Turbidity Exceed (Enhanced SWTR) · code 44 | Interim Enhanced Surface Water Treatment Rulecode 0300 | Yes | Resolved |
| 2004-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Combined Uraniumcode 4006 | No | Resolved |
| 2004-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Gross alpha (excluding radon and uranium)code 4000 | No | Resolved |
The 12 most recent violations in EPA's records, newest first.Labels and codes come from EPA's SDWIS reference tables. A monitoring or reporting violation means a required test or report was missed or late; it does not by itself mean a contaminant was found. "Health-based" marks violations of a legal limit or required treatment.
Sallisaw: frequently asked questions
Who runs Sallisaw?
Sallisaw (PWSID OK1020206) is a community water system owned by a local government. It is regulated by the OK state drinking water program.
How many people does Sallisaw serve?
Sallisaw reports serving 8,510 people through 3,934 service connections in Sequoyah County, Oklahoma.
Where does Sallisaw get its water?
EPA SDWIS lists this system's primary water source as surface water. Surface water means the system draws its water from rivers, lakes, streams or reservoirs.
Does Sallisaw have any drinking water violations?
Of the 12 most recent violations in EPA's records, 5 are health-based, and the most recent began in October 2024. A monitoring or reporting violation means a required test or report was missed or late; it does not by itself mean a contaminant was found.
Is Sallisaw's water safe to drink?
AquaCensus shows EPA compliance records, not current water test results, so it cannot say whether the water is safe at a given moment. Of the 12 most recent violations in EPA's records, 5 are health-based, and the most recent began in October 2024. For current results, consult the system's annual water quality report, EPA ECHO, or the OK state drinking water program.
Where can I find Sallisaw's water quality report?
As a community water system, Sallisaw must deliver an annual water quality report, called a Consumer Confidence Report, to its customers by July 1 each year, covering the previous calendar year. The system can provide a copy on request.
Other water systems in Sequoyah County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Sequoyah Co. Rwd #8 | Sequoyah | 13,460 | Community | Surface water |
| Muldrow Pwa | Sequoyah | 3,104 | Community | Surface water |
| Sequoyah Co. Rwd #7 | Sequoyah | 2,948 | Community | Purchased surface water |
| Roland | Sequoyah | 2,842 | Community | Surface water |
| Sequoyah Co. Rwd #4 | Sequoyah | 1,750 | Community | Purchased surface water |
| Gore Pwa | Sequoyah | 1,688 | Community | Surface water |
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About this data
Source: U.S. EPA Safe Drinking Water Information System (SDWIS) and SDWA violation records, via EPA ECHO, as published October 1, 2026 — AquaCensus refreshes it quarterly. See the methodology for how records are matched, cleaned and scored.
Cite as: AquaCensus, “Sallisaw, PWSID OK1020206, Oklahoma”, https://aquacensus.com/water-systems/oklahoma/sallisaw-ok1020206 (data as of October 1, 2026).