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Public water system · OK3006806

Active

Sequoyah Co. Rwd #7

At a glance

Sequoyah Co. Rwd #7 (PWSID OK3006806) is an active community water system in Sequoyah County, Oklahoma. It reports serving 2,948 people through 2,063 service connections. Its primary water source is purchased surface water, and EPA lists it as owned by a local government. Of the 12 most recent violations in EPA's records, one is health-based, and the most recent began in October 2024.

Dataset updated . Source: EPA SDWIS/ECHO public records.

Population served

2,948

Service connections

2,063

Primary source

SWP

Purchased surface water

System type

CWS

Community water system

System record

PWSIDOK3006806
System typeCommunity water system
Activity statusActive
Population served2,948
Service connections2,063
Primary water sourcePurchased surface water
Owner typeLocal government
Primacy agencyOK state drinking water program
City served—
StateOklahoma
ZIP—
CountySequoyah County

How does Sequoyah Co. Rwd #7 compare with other water systems in Sequoyah County?

By EPA's size categories, Sequoyah Co. Rwd #7 is a small system (501 to 3,300 people). Sequoyah County has 15 active public water systems, and Sequoyah Co. Rwd #7 is the 4th-largest of them by population served. Its population served is roughly in line with the county average of 2,693 people per system, and accounts for 7.3% 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 Sequoyah Co. Rwd #7 is about 56% below 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. Purchased surface water means the system buys surface water from another public water system rather than drawing its own. 299 Oklahoma systems (24%) list purchased surface water as their primary source.

Who owns and regulates Sequoyah Co. Rwd #7?

EPA lists Sequoyah Co. Rwd #7 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 Sequoyah Co. Rwd #7 have drinking water violations?

Of the 12 most recent violations in EPA's records, one is health-based, and the most recent began in October 2024. The violations listed here began between June 2003 and October 2024. By type: 10 monitoring and reporting, 1 reporting and 1 required treatment not met. The contaminant or rule involved most often is Haloacetic acids (HAA5) (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.

BeganViolationContaminant or ruleHealth-basedStatus
2024-10-17ReportingLSL Reporting · code 4GLead and Copper Rule Revisionscode 5200NoResolved
2024-10-17Required treatment not metLSL Inventory · code 2ELead and Copper Rule Revisionscode 5200YesResolved
2020-07-01Monitoring and reportingMonitoring and Reporting (DBP) · code 27Chlorinecode 0999NoResolved
2015-07-01Monitoring and reportingMonitoring and Reporting (DBP) · code 27Chlorinecode 0999NoResolved
2012-08-01Monitoring and reportingMonitoring and Reporting (DBP) · code 27Haloacetic acids (HAA5)code 2456NoResolved
2012-08-01Monitoring and reportingMonitoring and Reporting (DBP) · code 27Total trihalomethanes (TTHM)code 2950NoResolved
2009-04-01Monitoring and reportingMonitoring, Routine (IDSE) · code 30Total trihalomethanes (TTHM)code 2950NoResolved
2009-04-01Monitoring and reportingMonitoring, Routine (IDSE) · code 30Haloacetic acids (HAA5)code 2456NoResolved
2008-01-01Monitoring and reportingMonitoring, Routine (IDSE) · code 30Haloacetic acids (HAA5)code 2456NoResolved
2008-01-01Monitoring and reportingMonitoring, Routine (IDSE) · code 30Total trihalomethanes (TTHM)code 2950NoResolved
2003-07-01Monitoring and reportingMonitoring, Routine Minor (TCR) · code 24Total coliform bacteria (TCR)code 3100NoResolved
2003-06-01Monitoring and reportingMonitoring, Routine Minor (TCR) · code 24Total coliform bacteria (TCR)code 3100NoResolved

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.

Sequoyah Co. Rwd #7: frequently asked questions

Who runs Sequoyah Co. Rwd #7?

Sequoyah Co. Rwd #7 (PWSID OK3006806) is a community water system owned by a local government. It is regulated by the OK state drinking water program.

How many people does Sequoyah Co. Rwd #7 serve?

Sequoyah Co. Rwd #7 reports serving 2,948 people through 2,063 service connections in Sequoyah County, Oklahoma.

Where does Sequoyah Co. Rwd #7 get its water?

EPA SDWIS lists this system's primary water source as purchased surface water. Purchased surface water means the system buys surface water from another public water system rather than drawing its own.

Does Sequoyah Co. Rwd #7 have any drinking water violations?

Of the 12 most recent violations in EPA's records, one is 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 Sequoyah Co. Rwd #7'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, one is 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 Sequoyah Co. Rwd #7's water quality report?

As a community water system, Sequoyah Co. Rwd #7 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 systemCountyPopulation servedTypeSource
Sequoyah Co. Rwd #8Sequoyah13,460CommunitySurface water
SallisawSequoyah8,510CommunitySurface water
Muldrow PwaSequoyah3,104CommunitySurface water
RolandSequoyah2,842CommunitySurface water
Sequoyah Co. Rwd #4Sequoyah1,750CommunityPurchased surface water
Gore PwaSequoyah1,688CommunitySurface 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, “Sequoyah Co. Rwd #7, PWSID OK3006806, Oklahoma”, https://aquacensus.com/water-systems/oklahoma/sequoyah-co-rwd-7-ok3006806 (data as of October 1, 2026).