Public water system · OK1021622

Active

Fort Gibson

At a glance

Fort Gibson (PWSID OK1021622) is an active community water system in Muskogee County, Oklahoma. It reports serving 4,700 people through 1,774 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, 9 are health-based, and the most recent began in December 2024.

Dataset updated October 2026 . Source: EPA SDWIS/ECHO public records.

Population served

4,700

Service connections

1,774

Primary source

Surface water

System type

CWS

Community water system

System record

PWSIDOK1021622

System typeCommunity water system

Activity statusActive

Population served4,700

Service connections1,774

Primary water sourceSurface water

Owner typeLocal government

Primacy agencyOK state drinking water program

City served—

StateOklahoma

ZIP—

CountyMuskogee County

How does Fort Gibson compare with other water systems in Muskogee County?

By EPA's size categories, Fort Gibson is a medium system (3,301 to 10,000 people). Muskogee County has 21 active public water systems, and Fort Gibson is the 3rd-largest of them by population served. Its population served is about 39% above the county average of 3,384 people per system, and accounts for 6.6% of the 71,072 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 Fort Gibson is about 30% 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. 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 Fort Gibson?

EPA lists Fort Gibson 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. 18 of the 21 active systems in Muskogee County (86%) are also owned by a local government.

Does Fort Gibson have drinking water violations?

Of the 12 most recent violations in EPA's records, 9 are health-based, and the most recent began in December 2024. The violations listed here began between December 2011 and December 2024. By type: 8 required treatment not met, 2 monitoring and reporting, 1 reporting and 1 contaminant level above the legal limit. The contaminant or rule involved most often is Interim Enhanced Surface Water Treatment Rule (7 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
2024-12-01	Monitoring and reportingMonitoring, Turbidity (Enhanced SWTR) · code 38	Interim Enhanced Surface Water Treatment Rulecode 0300	No	Resolved
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
2018-07-01	Required treatment not metTreatment Technique (SWTR and GWR) · code 41	Surface Water Treatment Rulecode 0200	Yes	Resolved
2014-07-01	Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02	Haloacetic acids (HAA5)code 2456	Yes	Resolved
2013-12-01	Required treatment not metMonthly Turbidity Exceed (Enhanced SWTR) · code 44	Interim Enhanced Surface Water Treatment Rulecode 0300	Yes	Resolved
2013-07-01	Required treatment not metMonthly Turbidity Exceed (Enhanced SWTR) · code 44	Interim Enhanced Surface Water Treatment Rulecode 0300	Yes	Resolved
2012-09-01	Monitoring and reportingMonitoring, Routine Major (TCR) · code 23	Total coliform bacteria (TCR)code 3100	No	Resolved
2012-08-01	Required treatment not metMonthly Turbidity Exceed (Enhanced SWTR) · code 44	Interim Enhanced Surface Water Treatment Rulecode 0300	Yes	Resolved
2012-07-01	Required treatment not metMonthly Turbidity Exceed (Enhanced SWTR) · code 44	Interim Enhanced Surface Water Treatment Rulecode 0300	Yes	Resolved
2012-06-01	Required treatment not metMonthly Turbidity Exceed (Enhanced SWTR) · code 44	Interim Enhanced Surface Water Treatment Rulecode 0300	Yes	Resolved
2011-12-01	Required treatment not metSingle Turbidity Exceed (Enhanced SWTR) · code 43	Interim Enhanced Surface Water Treatment Rulecode 0300	Yes	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.

Fort Gibson: frequently asked questions

Who runs Fort Gibson?

Fort Gibson (PWSID OK1021622) is a community water system owned by a local government. It is regulated by the OK state drinking water program.

How many people does Fort Gibson serve?

Fort Gibson reports serving 4,700 people through 1,774 service connections in Muskogee County, Oklahoma.

Where does Fort Gibson 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 Fort Gibson have any drinking water violations?

Of the 12 most recent violations in EPA's records, 9 are health-based, and the most recent began in December 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 Fort Gibson'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, 9 are health-based, and the most recent began in December 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 Fort Gibson's water quality report?

As a community water system, Fort Gibson 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 Muskogee County

Water system	County	Population served	Type	Source
Muskogee Municipal Authority	Muskogee	38,310	Community	Surface water
Porum Pwa	Muskogee	5,000	Community	Surface water
Muskogee Co. Rwd #5	Muskogee	4,135	Community	Purchased surface water
Muskogee Co. Rwd #6	Muskogee	2,550	Community	Purchased surface water
Camp Gruber / Ok Military Dept	Muskogee	2,469	Non-transient non-community	Surface water
Muskogee Co. Rwd #1 (Oktaha)	Muskogee	2,280	Community	Purchased 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, “Fort Gibson, PWSID OK1021622, Oklahoma”, https://aquacensus.com/water-systems/oklahoma/fort-gibson-ok1021622 (data as of October 1, 2026).