Public water system · KY0420274
ActiveMayfield Electric & Water
At a glance
Mayfield Electric & Water (PWSID KY0420274) is an active community water system in Graves County, Kentucky. It reports serving 12,379 people through 5,000 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 2021.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
12,379
Service connections
5,000
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Mayfield Electric & Water compare with other water systems in Graves County?
By EPA's size categories, Mayfield Electric & Water is a large system (10,001 to 100,000 people). Graves County has 11 active public water systems, and Mayfield Electric & Water is the largest of them by population served. Its population served is about 4.5 times the county average of 2,757 people per system, and accounts for 41% of the 30,322 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 Mayfield Electric & Water is about 85% above 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 Mayfield Electric & Water?
EPA lists Mayfield Electric & Water 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. 9 of the 11 active systems in Graves County (82%) are also owned by a local government.
Does Mayfield Electric & Water 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 2021. The violations listed here began between January 1996 and July 2021. By type: 9 monitoring and reporting and 3 public notice, recordkeeping or other. The contaminant or rule involved most often is Consumer Confidence Rule (3 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 |
|---|---|---|---|---|
| 2021-07-01 | Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71 | Consumer Confidence Rulecode 7000 | No | Resolved |
| 2006-11-01 | Monitoring and reportingMonitoring, Routine Minor (TCR) · code 24 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2005-07-01 | Public notice, recordkeeping or otherConsumer Confidence Report Inadequate Reporting · code 72 | Consumer Confidence Rulecode 7000 | No | Resolved |
| 2005-07-01 | Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71 | Consumer Confidence Rulecode 7000 | No | Resolved |
| 2004-10-11 | Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52 | Lead and Copper Rulecode 5000 | No | Resolved |
| 2004-07-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Total trihalomethanes (TTHM)code 2950 | No | Resolved |
| 2004-04-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Total trihalomethanes (TTHM)code 2950 | No | Resolved |
| 2002-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Asbestoscode 1094 | No | Resolved |
| 2001-01-01 | Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52 | Lead and Copper Rulecode 5000 | No | Resolved |
| 1998-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitratecode 1040 | No | Resolved |
| 1996-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Endrincode 2005 | No | Resolved |
| 1996-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | 1,1,2-Trichloroethanecode 2985 | 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.
Mayfield Electric & Water: frequently asked questions
Who runs Mayfield Electric & Water?
Mayfield Electric & Water (PWSID KY0420274) is a community water system owned by a local government. It is regulated by the KY state drinking water program.
How many people does Mayfield Electric & Water serve?
Mayfield Electric & Water reports serving 12,379 people through 5,000 service connections in Graves County, Kentucky.
Where does Mayfield Electric & Water 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 Mayfield Electric & Water 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 2021. 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 Mayfield Electric & Water'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 2021. For current results, consult the system's annual water quality report, EPA ECHO, or the KY state drinking water program.
Where can I find Mayfield Electric & Water's water quality report?
As a community water system, Mayfield Electric & Water 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 Graves County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Graves Co Water Dist - Consumers | Graves | 5,016 | Community | Purchased groundwater |
| Graves Co Water Dist - Hickory | Graves | 4,069 | Community | Groundwater |
| Graves Co Water Dist - South Graves | Graves | 1,844 | Community | Groundwater |
| Symsonia Water District | Graves | 1,810 | Community | Groundwater |
| Pilgrims Pride Corp | Graves | 1,500 | Non-transient non-community | Groundwater |
| Graves Co Water Dist - Fancy Farm | Graves | 1,301 | Community | Groundwater |
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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, “Mayfield Electric & Water, PWSID KY0420274, Kentucky”, https://aquacensus.com/water-systems/kentucky/mayfield-electric-water-ky0420274 (data as of October 1, 2026).