Public water system · KY0810460
ActiveWestern Mason Co Water District
At a glance
Western Mason Co Water District (PWSID KY0810460) is an active community water system in Mason County, Kentucky. It reports serving 2,994 people through 1,062 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, none is health-based, and the most recent began in July 2015.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
2,994
Service connections
1,062
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Western Mason Co Water District compare with other water systems in Mason County?
By EPA's size categories, Western Mason Co Water District is a small system (501 to 3,300 people). Mason County has 4 active public water systems, and Western Mason Co Water District is the 4th-largest of them by population served. Its population served is about half of the county average of 6,326 people per system, and accounts for 12% of the 25,305 people reported by systems filed under the county. Across Kentucky, the 437 active systems average 11,699 people each. Nationally, the average active community water system reports serving 6,703 people, so Western Mason Co Water District is about 55% 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. Kentucky has 371 active community water systems, 85% of the state's 437 active systems. Groundwater means the system draws its water from wells or springs fed by underground aquifers. 111 Kentucky systems (25%) list groundwater as their primary source.
Who owns and regulates Western Mason Co Water District?
EPA lists Western Mason Co Water District as owned by a local government. The KY state drinking water program is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act. 3 of the 4 active systems in Mason County (75%) are also owned by a local government.
Does Western Mason Co Water District have drinking water violations?
Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in July 2015. The violations listed here began between July 1998 and July 2015. By type: 6 public notice, recordkeeping or other and 6 monitoring and reporting. The contaminant or rule involved most often is Consumer Confidence Rule (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 |
|---|---|---|---|---|
| 2015-07-01 | Public notice, recordkeeping or otherConsumer Confidence Report Inadequate Reporting · code 72 | Consumer Confidence Rulecode 7000 | No | Resolved |
| 2012-07-01 | Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75 | Public Noticecode 7500 | No | Resolved |
| 2010-07-01 | Public notice, recordkeeping or otherConsumer Confidence Report Inadequate Reporting · code 72 | Consumer Confidence Rulecode 7000 | No | Resolved |
| 2010-07-01 | Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75 | Public Noticecode 7500 | No | Resolved |
| 2010-01-02 | Monitoring and reportingFailure Submit IDSE/Subpart V Plan Rpt · code 35 | Stage 2 Disinfectants and Disinfection Byproducts Rulecode 0600 | No | Resolved |
| 2009-07-01 | Public notice, recordkeeping or otherConsumer Confidence Report Inadequate Reporting · code 72 | Consumer Confidence Rulecode 7000 | No | Resolved |
| 2009-01-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Haloacetic acids (HAA5)code 2456 | No | Resolved |
| 2009-01-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Total trihalomethanes (TTHM)code 2950 | No | Resolved |
| 2005-10-27 | Public notice, recordkeeping or otherConsumer Confidence Report Inadequate Reporting · code 72 | Consumer Confidence Rulecode 7000 | No | Resolved |
| 1999-04-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitratecode 1040 | No | Resolved |
| 1998-10-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitratecode 1040 | No | Resolved |
| 1998-07-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitratecode 1040 | 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.
Western Mason Co Water District: frequently asked questions
Who runs Western Mason Co Water District?
Western Mason Co Water District (PWSID KY0810460) is a community water system owned by a local government. It is regulated by the KY state drinking water program.
How many people does Western Mason Co Water District serve?
Western Mason Co Water District reports serving 2,994 people through 1,062 service connections in Mason County, Kentucky.
Where does Western Mason Co Water District 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 Western Mason Co Water District have any drinking water violations?
Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in July 2015. 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 Mason Co Water District'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, none is health-based, and the most recent began in July 2015. For current results, consult the system's annual water quality report, EPA ECHO, or the KY state drinking water program.
Where can I find Western Mason Co Water District's water quality report?
As a community water system, Western Mason Co Water District 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 |
|---|---|---|---|---|
| Maysville Utility Commission | Mason | 11,263 | Community | Surface water |
| Western Lewis Rectorville Water District | Mason | 6,534 | Community | Purchased surface water |
| Buffalo Trail Water Assoc | Mason | 4,514 | 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, “Western Mason Co Water District, PWSID KY0810460, Kentucky”, https://aquacensus.com/water-systems/kentucky/western-mason-co-water-district-ky0810460 (data as of October 1, 2026).