Public water system · OK2002802

Active

Mangum Pws

At a glance

Mangum Pws (PWSID OK2002802) is an active community water system in Greer County, Oklahoma. It reports serving 2,924 people through 1,543 service connections. Its primary water source is groundwater, and EPA lists it as owned by a local government. Of the 12 most recent violations in EPA's records, 3 are health-based, and the most recent began in July 2025.

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

Population served

2,924

Service connections

1,543

Primary source

Groundwater

System type

CWS

Community water system

System record

PWSIDOK2002802

System typeCommunity water system

Activity statusActive

Population served2,924

Service connections1,543

Primary water sourceGroundwater

Owner typeLocal government

Primacy agencyOK state drinking water program

City served—

StateOklahoma

ZIP—

CountyGreer County

How does Mangum Pws compare with other water systems in Greer County?

By EPA's size categories, Mangum Pws is a small system (501 to 3,300 people). Greer County has 5 active public water systems, and Mangum Pws is the largest of them by population served. Its population served is about 4.2 times the county average of 696 people per system, and accounts for 84% of the 3,482 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 Mangum Pws 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. Groundwater means the system draws its water from wells or springs fed by underground aquifers. 701 Oklahoma systems (56%) list groundwater as their primary source.

Who owns and regulates Mangum Pws?

EPA lists Mangum Pws 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. 5 of the 5 active systems in Greer County (100%) are also owned by a local government.

Does Mangum Pws have drinking water violations?

Of the 12 most recent violations in EPA's records, 3 are health-based, and the most recent began in July 2025. The violations listed here began between April 2006 and July 2025. By type: 5 monitoring and reporting, 2 monitoring, 2 contaminant level above the legal limit, 1 public notice, recordkeeping or other, 1 reporting and 1 required treatment not met. The contaminant or rule involved most often is Lead and Copper Rule Revisions (2 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
2025-07-01	Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71	Consumer Confidence Rulecode 7000	No	Resolved
2024-10-17	ReportingLSL Reporting · code 4G	Lead and Copper Rule Revisionscode 5200	No	Resolved
2024-10-17	Required treatment not metLSL Inventory · code 2E	Lead and Copper Rule Revisionscode 5200	Yes	Resolved
2024-01-01	MonitoringMonitoring, Routine (RTCR) · code 3A	Revised Total Coliform Rulecode 8000	No	Resolved
2024-01-01	Monitoring and reportingMonitoring and Reporting (DBP) · code 27	Chlorinecode 0999	No	Resolved
2021-12-01	MonitoringMonitoring, Routine (RTCR) · code 3A	Revised Total Coliform Rulecode 8000	No	Resolved
2021-10-01	Monitoring and reportingMonitoring and Reporting (DBP) · code 27	Chlorinecode 0999	No	Resolved
2012-10-01	Contaminant level above the legal limitMaximum Contaminant Level Violation, Single Sample · code 01	Nitrate-Nitritecode 1038	Yes	Resolved
2010-07-01	Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52	Lead and Copper Rulecode 5000	No	Resolved
2010-01-01	Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52	Lead and Copper Rulecode 5000	No	Resolved
2008-06-01	Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22	Total coliform bacteria (TCR)code 3100	Yes	Resolved
2006-04-01	Monitoring and reportingMonitoring, Regular · code 03	Nitrate-Nitritecode 1038	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.

Mangum Pws: frequently asked questions

Who runs Mangum Pws?

Mangum Pws (PWSID OK2002802) is a community water system owned by a local government. It is regulated by the OK state drinking water program.

How many people does Mangum Pws serve?

Mangum Pws reports serving 2,924 people through 1,543 service connections in Greer County, Oklahoma.

Where does Mangum Pws get its water?

EPA SDWIS lists this system's primary water source as groundwater. Groundwater means the system draws its water from wells or springs fed by underground aquifers.

Does Mangum Pws have any drinking water violations?

Of the 12 most recent violations in EPA's records, 3 are health-based, and the most recent began in July 2025. 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 Mangum Pws' 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, 3 are health-based, and the most recent began in July 2025. For current results, consult the system's annual water quality report, EPA ECHO, or the OK state drinking water program.

Where can I find Mangum Pws' water quality report?

As a community water system, Mangum Pws 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 Greer County

Water system	County	Population served	Type	Source
Harmon Electric	Greer	188	Community	Purchased groundwater
Reed Water Corp	Greer	175	Community	Purchased groundwater
Willow	Greer	114	Community	Groundwater
Thirsty Water Corp	Greer	81	Community	Groundwater

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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, “Mangum Pws, PWSID OK2002802, Oklahoma”, https://aquacensus.com/water-systems/oklahoma/mangum-pws-ok2002802 (data as of October 1, 2026).