Public water system · WV3302713
ActiveMason Co Psd-Letart
At a glance
Mason Co Psd-Letart (PWSID WV3302713) is an active community water system in Mason County, West Virginia. It reports serving 3,303 people through 1,388 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 March 2026.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
3,303
Service connections
1,388
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Mason Co Psd-Letart compare with other water systems in Mason County?
By EPA's size categories, Mason Co Psd-Letart is a medium system (3,301 to 10,000 people). Mason County has 12 active public water systems, and Mason Co Psd-Letart is the 4th-largest of them by population served. Its population served is about 62% above the county average of 2,036 people per system, and accounts for 14% of the 24,428 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 Mason Co Psd-Letart is about half of 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. Groundwater means the system draws its water from wells or springs fed by underground aquifers. 468 West Virginia systems (59%) list groundwater as their primary source.
Who owns and regulates Mason Co Psd-Letart?
EPA lists Mason Co Psd-Letart 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 12 active systems in Mason County (92%) are also owned by a local government.
Does Mason Co Psd-Letart have drinking water violations?
Of the 12 most recent violations in EPA's records, one is health-based, and the most recent began in March 2026. The violations listed here began between January 2014 and March 2026. By type: 10 monitoring and reporting, 1 required treatment not met and 1 public notice, recordkeeping or other. The contaminants or rules involved are Groundwater Rule, Lead and Copper Rule, Consumer Confidence Rule and Alachlor (Lasso). EPA lists 8 as resolved, 2 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 |
|---|---|---|---|---|
| 2026-03-13 | Required treatment not metFailure To Address Deficiency · code 45 | Groundwater Rulecode 0700 | Yes | Unaddressed |
| 2025-10-01 | Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52 | Lead and Copper Rulecode 5000 | No | Unaddressed |
| 2019-07-01 | Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71 | Consumer Confidence Rulecode 7000 | No | Resolved |
| 2014-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Alachlor (Lasso)code 2051 | No | Resolved |
| 2014-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Heptachlorcode 2065 | No | Resolved |
| 2014-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | 2,4-Dcode 2105 | No | Resolved |
| 2014-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Gross alpha (excluding radon and uranium)code 4000 | No | Archived |
| 2014-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Polychlorinated biphenyls (PCBs), totalcode 2383 | No | Resolved |
| 2014-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Benzo(a)pyrenecode 2306 | No | Resolved |
| 2014-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Atrazinecode 2050 | No | Resolved |
| 2014-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Hexachlorocyclopentadienecode 2042 | No | Resolved |
| 2014-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Radium-228code 4030 | No | Archived |
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.
Mason Co Psd-Letart: frequently asked questions
Who runs Mason Co Psd-Letart?
Mason Co Psd-Letart (PWSID WV3302713) is a community water system owned by a local government. It is regulated by the WV state drinking water program.
How many people does Mason Co Psd-Letart serve?
Mason Co Psd-Letart reports serving 3,303 people through 1,388 service connections in Mason County, West Virginia.
Where does Mason Co Psd-Letart 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 Mason Co Psd-Letart 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 March 2026. 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 Mason Co Psd-Letart'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 March 2026. For current results, consult the system's annual water quality report, EPA ECHO, or the WV state drinking water program.
Where can I find Mason Co Psd-Letart's water quality report?
As a community water system, Mason Co Psd-Letart 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 Mason County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Point Pleasant Water Works | Mason | 5,146 | Community | Groundwater |
| Mason Co Psd-Lakin Dist | Mason | 4,296 | Community | Groundwater |
| Mason Co Psd - Ashton | Mason | 3,902 | Community | Groundwater |
| Mason Co Psd-Crab Creek | Mason | 2,039 | Community | Groundwater |
| Mason Water Dept | Mason | 1,679 | Community | Groundwater |
| New Haven Water Dept | Mason | 1,649 | 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, “Mason Co Psd-Letart, PWSID WV3302713, West Virginia”, https://aquacensus.com/water-systems/west-virginia/mason-co-psd-letart-wv3302713 (data as of October 1, 2026).