Public water system · OK2004506

Active

Oakview Water Corp

At a glance

Oakview Water Corp (PWSID OK2004506) is an active community water system in Marshall County, Oklahoma. It reports serving 925 people through 458 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, 6 are health-based, and the most recent began in October 2024.

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

Population served

925

Service connections

458

Primary source

Groundwater

System type

CWS

Community water system

System record

PWSIDOK2004506

System typeCommunity water system

Activity statusActive

Population served925

Service connections458

Primary water sourceGroundwater

Owner typeLocal government

Primacy agencyOK state drinking water program

City served—

StateOklahoma

ZIP—

CountyMarshall County

How does Oakview Water Corp compare with other water systems in Marshall County?

By EPA's size categories, Oakview Water Corp is a small system (501 to 3,300 people). Marshall County has 6 active public water systems, and Oakview Water Corp is the 4th-largest of them by population served. Its population served is about 28% below the county average of 1,279 people per system, and accounts for 12% of the 7,672 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 Oakview Water Corp is well 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 Oakview Water Corp?

EPA lists Oakview Water Corp 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. 4 of the 6 active systems in Marshall County (67%) are also owned by a local government.

Does Oakview Water Corp have drinking water violations?

Of the 12 most recent violations in EPA's records, 6 are health-based, and the most recent began in October 2024. The violations listed here began between September 2011 and October 2024. By type: 5 contaminant level above the legal limit, 5 monitoring and reporting, 1 reporting and 1 required treatment not met. The contaminant or rule involved most often is Antimony (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.

Began	Violation	Contaminant or rule	Health-based	Status
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
2024-10-01	Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02	Antimonycode 1074	Yes	Resolved
2024-07-01	Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02	Antimonycode 1074	Yes	Resolved
2024-04-01	Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02	Antimonycode 1074	Yes	Resolved
2024-01-01	Contaminant level above the legal limitMaximum Contaminant Level Violation, Single Sample · code 01	Antimonycode 1074	Yes	Resolved
2014-06-01	Monitoring and reportingMonitoring, Routine Major (TCR) · code 23	Total coliform bacteria (TCR)code 3100	No	Resolved
2013-10-01	Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52	Lead and Copper Rulecode 5000	No	Resolved
2013-08-01	Monitoring and reportingMonitoring, Source Water (GWR) · code 34	E. colicode 3014	No	Resolved
2012-01-01	Contaminant level above the legal limitMaximum Contaminant Level Violation, Acute (TCR) · code 21	Total coliform bacteria (TCR)code 3100	Yes	Resolved
2012-01-01	Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52	Lead and Copper Rulecode 5000	No	Resolved
2011-09-01	Monitoring and reportingMonitoring, Routine Major (TCR) · code 23	Total coliform bacteria (TCR)code 3100	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.

Oakview Water Corp: frequently asked questions

Who runs Oakview Water Corp?

Oakview Water Corp (PWSID OK2004506) is a community water system owned by a local government. It is regulated by the OK state drinking water program.

How many people does Oakview Water Corp serve?

Oakview Water Corp reports serving 925 people through 458 service connections in Marshall County, Oklahoma.

Where does Oakview Water Corp 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 Oakview Water Corp have any drinking water violations?

Of the 12 most recent violations in EPA's records, 6 are 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 Oakview Water Corp'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, 6 are 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 Oakview Water Corp's water quality report?

As a community water system, Oakview Water Corp 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 Marshall County

Water system	County	Population served	Type	Source
Madill	Marshall	3,410	Community	Surface water
Kingston Pwa	Marshall	1,600	Community	Groundwater
Oakland Pwa	Marshall	1,050	Community	Purchased surface water
Cardinal Hill Subdivision	Marshall	475	Community	Groundwater
Texoma Hills	Marshall	212	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, “Oakview Water Corp, PWSID OK2004506, Oklahoma”, https://aquacensus.com/water-systems/oklahoma/oakview-water-corp-ok2004506 (data as of October 1, 2026).