Public water system · OK3004611

Active

Pryor

At a glance

Pryor (PWSID OK3004611) is an active community water system in Mayes County, Oklahoma. It reports serving 8,784 people through 5,040 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, 7 are health-based, and the most recent began in May 2009.

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

Population served

8,784

Service connections

5,040

Primary source

SWP

Purchased surface water

System type

CWS

Community water system

System record

PWSIDOK3004611

System typeCommunity water system

Activity statusActive

Population served8,784

Service connections5,040

Primary water sourcePurchased surface water

Owner typeLocal government

Primacy agencyOK state drinking water program

City served—

StateOklahoma

ZIP—

CountyMayes County

How does Pryor compare with other water systems in Mayes County?

By EPA's size categories, Pryor is a medium system (3,301 to 10,000 people). Mayes County has 23 active public water systems, and Pryor is the largest of them by population served. Its population served is about 4.6 times the county average of 1,931 people per system, and accounts for 20% of the 44,401 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 Pryor is about 31% 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. 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 Pryor?

EPA lists Pryor 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. 16 of the 23 active systems in Mayes County (70%) are also owned by a local government.

Does Pryor have drinking water violations?

Of the 12 most recent violations in EPA's records, 7 are health-based, and the most recent began in May 2009. The violations listed here began between July 1994 and May 2009. By type: 7 contaminant level above the legal limit and 5 monitoring and reporting. The contaminant or rule involved most often is Total coliform bacteria (TCR) (10 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
2009-05-01	Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22	Total coliform bacteria (TCR)code 3100	Yes	Resolved
2009-03-01	Monitoring and reportingMonitoring, Routine (IDSE) · code 30	Haloacetic acids (HAA5)code 2456	No	Resolved
2009-03-01	Monitoring and reportingMonitoring, Routine (IDSE) · code 30	Total trihalomethanes (TTHM)code 2950	No	Resolved
2005-09-01	Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22	Total coliform bacteria (TCR)code 3100	Yes	Resolved
2004-11-01	Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22	Total coliform bacteria (TCR)code 3100	Yes	Resolved
2003-09-01	Monitoring and reportingMonitoring, Routine Minor (TCR) · code 24	Total coliform bacteria (TCR)code 3100	No	Resolved
2003-08-01	Monitoring and reportingMonitoring, Routine Minor (TCR) · code 24	Total coliform bacteria (TCR)code 3100	No	Resolved
2003-07-01	Monitoring and reportingMonitoring, Routine Minor (TCR) · code 24	Total coliform bacteria (TCR)code 3100	No	Resolved
2000-08-01	Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22	Total coliform bacteria (TCR)code 3100	Yes	Resolved
1997-10-01	Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22	Total coliform bacteria (TCR)code 3100	Yes	Resolved
1996-09-01	Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22	Total coliform bacteria (TCR)code 3100	Yes	Resolved
1994-07-01	Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22	Total coliform bacteria (TCR)code 3100	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.

Pryor: frequently asked questions

Who runs Pryor?

Pryor (PWSID OK3004611) is a community water system owned by a local government. It is regulated by the OK state drinking water program.

How many people does Pryor serve?

Pryor reports serving 8,784 people through 5,040 service connections in Mayes County, Oklahoma.

Where does Pryor 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 Pryor have any drinking water violations?

Of the 12 most recent violations in EPA's records, 7 are health-based, and the most recent began in May 2009. 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 Pryor'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, 7 are health-based, and the most recent began in May 2009. For current results, consult the system's annual water quality report, EPA ECHO, or the OK state drinking water program.

Where can I find Pryor's water quality report?

As a community water system, Pryor 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 Mayes County

Water system	County	Population served	Type	Source
Mayes Co Rwd # 2	Mayes	6,280	Community	Purchased surface water
Mayes Co Rwd #4	Mayes	4,183	Community	Purchased surface water
Okla Ordnance Works Authority	Mayes	4,000	Community	Surface water
Mayes Co Rwd # 6	Mayes	3,750	Community	Surface water
Mayes Co Rwd # 5	Mayes	3,360	Community	Purchased surface water
Mayes Co Rwd # 9	Mayes	2,578	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, “Pryor, PWSID OK3004611, Oklahoma”, https://aquacensus.com/water-systems/oklahoma/pryor-ok3004611 (data as of October 1, 2026).