Public water system · TN0000859
ActiveJackson County U.D. #4
At a glance
Jackson County U.D. #4 (PWSID TN0000859) is an active community water system in Jackson County, Tennessee. It reports serving 2,323 people through 942 service connections. Its primary water source is purchased groundwater under influence, and EPA lists it as owned by a local government. EPA's records list 8 violations for this system; none is health-based, and the most recent began in July 2025.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
2,323
Service connections
942
Primary source
GUP
Purchased groundwater under influence
System type
CWS
Community water system
System record
How does Jackson County U.D. #4 compare with other water systems in Jackson County?
By EPA's size categories, Jackson County U.D. #4 is a small system (501 to 3,300 people). Jackson County has 10 active public water systems, and Jackson County U.D. #4 is the 3rd-largest of them by population served. Its population served is about twice the county average of 1,140 people per system, and accounts for 20% of the 11,399 people reported by systems filed under the county. Across Tennessee, the 1,383 active systems average 5,780 people each. Nationally, the average active community water system reports serving 6,703 people, so Jackson County U.D. #4 is about 65% 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. Tennessee has 450 active community water systems, 33% of the state's 1,383 active systems. Purchased groundwater under the influence of surface water means the system buys that kind of water from another public water system. 7 Tennessee systems (0.5%) list purchased groundwater under influence as their primary source.
Who owns and regulates Jackson County U.D. #4?
EPA lists Jackson County U.D. #4 as owned by a local government. The TN state drinking water program is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act. 5 of the 10 active systems in Jackson County (50%) are also owned by a local government.
Does Jackson County U.D. #4 have drinking water violations?
EPA's records list 8 violations for this system; none is health-based, and the most recent began in July 2025. The violations listed here began between October 2010 and July 2025. By type: 4 public notice, recordkeeping or other and 4 monitoring and reporting. The contaminant or rule involved most often is Consumer Confidence Rule (4 of them). EPA lists 6 as resolved and 2 as unaddressed. 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.
| Began | Violation | Contaminant or rule | Health-based | Status |
|---|---|---|---|---|
| 2025-07-01 | Public notice, recordkeeping or otherConsumer Confidence Report Inadequate Reporting · code 72 | Consumer Confidence Rulecode 7000 | No | Unaddressed |
| 2023-07-01 | Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71 | Consumer Confidence Rulecode 7000 | No | Resolved |
| 2023-07-01 | Public notice, recordkeeping or otherConsumer Confidence Report Inadequate Reporting · code 72 | Consumer Confidence Rulecode 7000 | No | Unaddressed |
| 2021-07-01 | 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 and Reporting (DBP) · code 27 | Haloacetic acids (HAA5)code 2456 | No | Resolved |
| 2014-01-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Total trihalomethanes (TTHM)code 2950 | No | Resolved |
| 2010-10-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2010-10-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Chlorinecode 0999 | No | Resolved |
All 8 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.
Jackson County U.D. #4: frequently asked questions
Who runs Jackson County U.D. #4?
Jackson County U.D. #4 (PWSID TN0000859) is a community water system owned by a local government. It is regulated by the TN state drinking water program.
How many people does Jackson County U.D. #4 serve?
Jackson County U.D. #4 reports serving 2,323 people through 942 service connections in Jackson County, Tennessee.
Where does Jackson County U.D. #4 get its water?
EPA SDWIS lists this system's primary water source as purchased groundwater under influence. Purchased groundwater under the influence of surface water means the system buys that kind of water from another public water system.
Does Jackson County U.D. #4 have any drinking water violations?
EPA's records list 8 violations for this system; none is health-based, and the most recent began in July 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 Jackson County U.D. #4'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. EPA's records list 8 violations for this system; none is health-based, and the most recent began in July 2025. For current results, consult the system's annual water quality report, EPA ECHO, or the TN state drinking water program.
Where can I find Jackson County U.D. #4's water quality report?
As a community water system, Jackson County U.D. #4 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 Jackson County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Jackson County U.D. #3 | Jackson | 3,917 | Community | Purchased surface water |
| Jackson County U.D. #2 | Jackson | 2,512 | Community | Purchased surface water |
| Gainesboro Water System | Jackson | 1,596 | Community | Surface water |
| Jackson County U.D. #1 | Jackson | 686 | Community | Purchased surface water |
| Dollar General #22276 | Jackson | 250 | Transient non-community | Groundwater |
| Dollar General #17478 - Pleasant Lake | Jackson | 30 | Transient non-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, “Jackson County U.D. #4, PWSID TN0000859, Tennessee”, https://aquacensus.com/water-systems/tennessee/jackson-county-u-d-4-tn0000859 (data as of October 1, 2026).