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Public water system · OK2005506

Active

Harrah

At a glance

Harrah (PWSID OK2005506) is an active community water system in Oklahoma County, Oklahoma. It reports serving 4,190 people through 2,072 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, one is health-based, and the most recent began in October 2024.

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

Population served

4,190

Service connections

2,072

Primary source

GW

Groundwater

System type

CWS

Community water system

System record

PWSIDOK2005506
System typeCommunity water system
Activity statusActive
Population served4,190
Service connections2,072
Primary water sourceGroundwater
Owner typeLocal government
Primacy agencyOK state drinking water program
City served—
StateOklahoma
ZIP—
CountyOklahoma County

How does Harrah compare with other water systems in Oklahoma County?

By EPA's size categories, Harrah is a medium system (3,301 to 10,000 people). Oklahoma County has 113 active public water systems. Its population served is about half of the county average of 7,828 people per system, and accounts for 0.5% of the 884,508 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 Harrah is about 37% 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 Harrah?

EPA lists Harrah 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. 19 of the 113 active systems in Oklahoma County (17%) are also owned by a local government.

Does Harrah 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 January 2024 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 Glyphosate (4 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
2024-01-01Monitoring and reportingMonitoring, Regular · code 03Methoxychlorcode 2015NoResolved
2024-01-01Monitoring and reportingMonitoring, Regular · code 03Glyphosatecode 2034NoResolved
2024-01-01Monitoring and reportingMonitoring, Regular · code 03Methoxychlorcode 2015NoResolved
2024-01-01Monitoring and reportingMonitoring, Regular · code 03Glyphosatecode 2034NoResolved
2024-01-01Monitoring and reportingMonitoring, Regular · code 03Glyphosatecode 2034NoResolved
2024-01-01Monitoring and reportingMonitoring, Regular · code 03Toxaphenecode 2020NoResolved
2024-01-01Monitoring and reportingMonitoring, Regular · code 032,4-Dcode 2105NoResolved
2024-01-01Monitoring and reportingMonitoring, Regular · code 03Heptachlorcode 2065NoResolved
2024-01-01Monitoring and reportingMonitoring, Regular · code 03Lindane (gamma-BHC)code 2010NoResolved
2024-01-01Monitoring and reportingMonitoring, Regular · code 03Glyphosatecode 2034NoResolved

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.

Harrah: frequently asked questions

Who runs Harrah?

Harrah (PWSID OK2005506) is a community water system owned by a local government. It is regulated by the OK state drinking water program.

How many people does Harrah serve?

Harrah reports serving 4,190 people through 2,072 service connections in Oklahoma County, Oklahoma.

Where does Harrah 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 Harrah 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 Harrah'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 Harrah's water quality report?

As a community water system, Harrah 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 Oklahoma County

Water systemCountyPopulation servedTypeSource
Oklahoma CityOklahoma644,000CommunitySurface water
Edmond PwaOklahoma79,408CommunitySurface water
Midwest CityOklahoma55,935CommunitySurface water
Tinker Air Force BaseOklahoma24,645CommunityGroundwater
Del CityOklahoma22,128CommunitySurface water
BethanyOklahoma20,307CommunityGroundwater under influence of 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, “Harrah, PWSID OK2005506, Oklahoma”, https://aquacensus.com/water-systems/oklahoma/harrah-ok2005506 (data as of October 1, 2026).