Public water system · OK2001003
ActiveWestern Carter Co Water Corp
At a glance
Western Carter Co Water Corp (PWSID OK2001003) is an active community water system in Carter County, Oklahoma. It reports serving 2,000 people through 700 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, 11 are health-based, and the most recent began in October 2024.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
2,000
Service connections
700
Primary source
SWP
Purchased surface water
System type
CWS
Community water system
System record
How does Western Carter Co Water Corp compare with other water systems in Carter County?
By EPA's size categories, Western Carter Co Water Corp is a small system (501 to 3,300 people). Carter County has 8 active public water systems, and Western Carter Co Water Corp is the 5th-largest of them by population served. Its population served is about 66% below the county average of 5,957 people per system, and accounts for 4.2% of the 47,657 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 Western Carter Co 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. 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 Western Carter Co Water Corp?
EPA lists Western Carter Co 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. 7 of the 8 active systems in Carter County (88%) are also owned by a local government.
Does Western Carter Co Water Corp have drinking water violations?
Of the 12 most recent violations in EPA's records, 11 are health-based, and the most recent began in October 2024. The violations listed here began between July 2021 and October 2024. By type: 10 contaminant level above the legal limit, 1 required treatment not met and 1 reporting. The contaminant or rule involved most often is Total trihalomethanes (TTHM) (10 of them). EPA lists 10 as resolved and 2 as addressed. 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. Addressed means the violation is not resolved or archived and is covered by formal enforcement.
| Began | Violation | Contaminant or rule | Health-based | Status |
|---|---|---|---|---|
| 2024-10-17 | Required treatment not metLSL Inventory · code 2E | Lead and Copper Rule Revisionscode 5200 | Yes | Addressed |
| 2024-10-17 | ReportingLSL Reporting · code 4G | Lead and Copper Rule Revisionscode 5200 | No | Addressed |
| 2024-04-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Total trihalomethanes (TTHM)code 2950 | Yes | Resolved |
| 2024-01-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Total trihalomethanes (TTHM)code 2950 | Yes | Resolved |
| 2023-10-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Total trihalomethanes (TTHM)code 2950 | Yes | Resolved |
| 2023-07-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Total trihalomethanes (TTHM)code 2950 | Yes | Resolved |
| 2023-04-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Total trihalomethanes (TTHM)code 2950 | Yes | Resolved |
| 2023-01-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Total trihalomethanes (TTHM)code 2950 | Yes | Resolved |
| 2022-10-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Total trihalomethanes (TTHM)code 2950 | Yes | Resolved |
| 2022-01-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Total trihalomethanes (TTHM)code 2950 | Yes | Resolved |
| 2021-10-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Total trihalomethanes (TTHM)code 2950 | Yes | Resolved |
| 2021-07-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Total trihalomethanes (TTHM)code 2950 | 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.
Western Carter Co Water Corp: frequently asked questions
Who runs Western Carter Co Water Corp?
Western Carter Co Water Corp (PWSID OK2001003) is a community water system owned by a local government. It is regulated by the OK state drinking water program.
How many people does Western Carter Co Water Corp serve?
Western Carter Co Water Corp reports serving 2,000 people through 700 service connections in Carter County, Oklahoma.
Where does Western Carter Co Water Corp 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 Western Carter Co Water Corp have any drinking water violations?
Of the 12 most recent violations in EPA's records, 11 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 Western Carter Co 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, 11 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 Western Carter Co Water Corp's water quality report?
As a community water system, Western Carter Co 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 Carter County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Ardmore | Carter | 24,893 | Community | Surface water |
| Southern Okla Water Corp | Carter | 11,250 | Community | Surface water |
| Lone Grove | Carter | 4,863 | Community | Groundwater |
| Healdton | Carter | 2,785 | Community | Surface water |
| Wilson Municipal Authority | Carter | 1,600 | Community | Groundwater |
| Golden Oaks Home Owners Assn | Carter | 135 | Community | Groundwater |
Related pages
Working with water-system records? Pro adds alerts, change history and CSV export ($49/mo); Enterprise adds full national files, the API and an MCP server for AI tools.
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, “Western Carter Co Water Corp, PWSID OK2001003, Oklahoma”, https://aquacensus.com/water-systems/oklahoma/western-carter-co-water-corp-ok2001003 (data as of October 1, 2026).