Public water system · WV3303009
ActiveWilliamson Utility Board
At a glance
Williamson Utility Board (PWSID WV3303009) is an active community water system in Mingo County, West Virginia. It reports serving 2,660 people through 1,226 service connections. Its primary water source is surface water, and EPA lists it as owned by a local government. Of the 12 most recent violations in EPA's records, 2 are health-based, and the most recent began in September 2025.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
2,660
Service connections
1,226
Primary source
SW
Surface water
System type
CWS
Community water system
System record
How does Williamson Utility Board compare with other water systems in Mingo County?
By EPA's size categories, Williamson Utility Board is a small system (501 to 3,300 people). Mingo County has 14 active public water systems, and Williamson Utility Board is the 2nd-largest of them by population served. Its population served is about 142% above the county average of 1,099 people per system, and accounts for 17% of the 15,384 people reported by systems filed under the county. Across West Virginia, the 791 active systems average 2,032 people each. Nationally, the average active community water system reports serving 6,703 people, so Williamson Utility Board is about 60% 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. West Virginia has 427 active community water systems, 54% of the state's 791 active systems. Surface water means the system draws its water from rivers, lakes, streams or reservoirs. 110 West Virginia systems (14%) list surface water as their primary source.
Who owns and regulates Williamson Utility Board?
EPA lists Williamson Utility Board as owned by a local government. The WV state drinking water program is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act. 11 of the 14 active systems in Mingo County (79%) are also owned by a local government.
Does Williamson Utility Board have drinking water violations?
Of the 12 most recent violations in EPA's records, 2 are health-based, and the most recent began in September 2025. The violations listed here began between August 2024 and September 2025. By type: 8 public notice, recordkeeping or other, 2 monitoring and reporting and 2 required treatment not met. The contaminant or rule involved most often is Public Notice (8 of them). EPA lists 7 as resolved, 3 as unaddressed and 2 as archived. 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. Unaddressed means the violation is not resolved or archived and is not yet covered by formal enforcement. Archived means the violation was not marked resolved but is more than five years past the end of the noncompliance period, so it no longer counts toward current compliance status.
| Began | Violation | Contaminant or rule | Health-based | Status |
|---|---|---|---|---|
| 2025-09-12 | Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75 | Public Noticecode 7500 | No | Unaddressed |
| 2025-09-12 | Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75 | Public Noticecode 7500 | No | Unaddressed |
| 2025-03-01 | Monitoring and reportingMonitoring, Turbidity (Enhanced SWTR) · code 38 | Interim Enhanced Surface Water Treatment Rulecode 0300 | No | Archived |
| 2025-02-01 | Required treatment not metSingle Turbidity Exceed (Enhanced SWTR) · code 43 | Interim Enhanced Surface Water Treatment Rulecode 0300 | Yes | Resolved |
| 2025-02-01 | Monitoring and reportingMonitoring, Turbidity (Enhanced SWTR) · code 38 | Interim Enhanced Surface Water Treatment Rulecode 0300 | No | Archived |
| 2024-11-15 | Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75 | Public Noticecode 7500 | No | Resolved |
| 2024-11-15 | Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75 | Public Noticecode 7500 | No | Resolved |
| 2024-11-15 | Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75 | Public Noticecode 7500 | No | Resolved |
| 2024-11-15 | Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75 | Public Noticecode 7500 | No | Resolved |
| 2024-11-15 | Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75 | Public Noticecode 7500 | No | Resolved |
| 2024-11-15 | Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75 | Public Noticecode 7500 | No | Resolved |
| 2024-08-02 | Required treatment not metFailure To Address Deficiency · code 45 | Long Term 2 Enhanced Surface Water Treatment Rulecode 0800 | Yes | Unaddressed |
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.
Williamson Utility Board: frequently asked questions
Who runs Williamson Utility Board?
Williamson Utility Board (PWSID WV3303009) is a community water system owned by a local government. It is regulated by the WV state drinking water program.
How many people does Williamson Utility Board serve?
Williamson Utility Board reports serving 2,660 people through 1,226 service connections in Mingo County, West Virginia.
Where does Williamson Utility Board get its water?
EPA SDWIS lists this system's primary water source as surface water. Surface water means the system draws its water from rivers, lakes, streams or reservoirs.
Does Williamson Utility Board have any drinking water violations?
Of the 12 most recent violations in EPA's records, 2 are health-based, and the most recent began in September 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 Williamson Utility Board'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, 2 are health-based, and the most recent began in September 2025. For current results, consult the system's annual water quality report, EPA ECHO, or the WV state drinking water program.
Where can I find Williamson Utility Board's water quality report?
As a community water system, Williamson Utility Board 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 Mingo County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Mingo County Psd - Pigeon Creek | Mingo | 2,877 | Community | Purchased surface water |
| Matewan Water Works | Mingo | 2,205 | Community | Surface water |
| Mingo County Psd - Naugatuck | Mingo | 2,159 | Community | Surface water |
| Gilbert Water Works | Mingo | 1,840 | Community | Surface water |
| Kermit Water Works | Mingo | 1,237 | Community | Surface water |
| Mingo Co Psd - Ragland District | Mingo | 621 | 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, “Williamson Utility Board, PWSID WV3303009, West Virginia”, https://aquacensus.com/water-systems/west-virginia/williamson-utility-board-wv3303009 (data as of October 1, 2026).