Public water system · TN0000366
ActiveKnoxville Utilities Board - Kub
At a glance
Knoxville Utilities Board - Kub (PWSID TN0000366) is an active community water system in Knox County, Tennessee. It reports serving 254,671 people through 106,113 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, one is health-based, and the most recent began in December 2018.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
254,671
Service connections
106,113
Primary source
SW
Surface water
System type
CWS
Community water system
System record
How does Knoxville Utilities Board - Kub compare with other water systems in Knox County?
By EPA's size categories, Knoxville Utilities Board - Kub is a very large system (more than 100,000 people). Knox County has 10 active public water systems, and Knoxville Utilities Board - Kub is the largest of them by population served. Its population served is about 4.2 times the county average of 60,196 people per system, and accounts for 42% of the 601,961 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 Knoxville Utilities Board - Kub is about 38 times 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. Surface water means the system draws its water from rivers, lakes, streams or reservoirs. 151 Tennessee systems (11%) list surface water as their primary source.
Who owns and regulates Knoxville Utilities Board - Kub?
EPA lists Knoxville Utilities Board - Kub 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. 6 of the 10 active systems in Knox County (60%) are also owned by a local government.
Does Knoxville Utilities Board - Kub have drinking water violations?
Of the 12 most recent violations in EPA's records, one is health-based, and the most recent began in December 2018. The violations listed here began between June 1980 and December 2018. By type: 9 monitoring and reporting, 2 public notice, recordkeeping or other and 1 contaminant level above the legal limit. The contaminant or rule involved most often is Nitrate (2 of them). EPA lists 9 as archived and 3 as resolved. 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. 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 |
|---|---|---|---|---|
| 2018-12-01 | Public notice, recordkeeping or otherRecord Keeping · code 09 | Interim Enhanced Surface Water Treatment Rulecode 0300 | No | Resolved |
| 2012-09-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Acute (TCR) · code 21 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 2008-07-01 | Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71 | Consumer Confidence Rulecode 7000 | No | Resolved |
| 1982-06-25 | Monitoring and reportingMonitoring, Regular · code 03 | Nitratecode 1040 | No | Archived |
| 1982-06-25 | Monitoring and reportingMonitoring, Regular · code 03 | Bariumcode 1010 | No | Archived |
| 1982-06-25 | Monitoring and reportingMonitoring, Regular · code 03 | Chromiumcode 1020 | No | Archived |
| 1982-06-25 | Monitoring and reportingMonitoring, Regular · code 03 | Seleniumcode 1045 | No | Archived |
| 1982-06-25 | Monitoring and reportingMonitoring, Regular · code 03 | Mercurycode 1035 | No | Archived |
| 1982-06-25 | Monitoring and reportingMonitoring, Regular · code 03 | Fluoridecode 1025 | No | Archived |
| 1982-06-25 | Monitoring and reportingMonitoring, Regular · code 03 | Cadmiumcode 1015 | No | Archived |
| 1982-06-25 | Monitoring and reportingMonitoring, Regular · code 03 | Arseniccode 1005 | No | Archived |
| 1980-06-24 | Monitoring and reportingMonitoring, Regular · code 03 | Nitratecode 1040 | 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.
Knoxville Utilities Board - Kub: frequently asked questions
Who runs Knoxville Utilities Board - Kub?
Knoxville Utilities Board - Kub (PWSID TN0000366) is a community water system owned by a local government. It is regulated by the TN state drinking water program.
How many people does Knoxville Utilities Board - Kub serve?
Knoxville Utilities Board - Kub reports serving 254,671 people through 106,113 service connections in Knox County, Tennessee.
Where does Knoxville Utilities Board - Kub 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 Knoxville Utilities Board - Kub 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 December 2018. 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 Knoxville Utilities Board - Kub'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 December 2018. For current results, consult the system's annual water quality report, EPA ECHO, or the TN state drinking water program.
Where can I find Knoxville Utilities Board - Kub's water quality report?
As a community water system, Knoxville Utilities Board - Kub 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 Knox County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| First U.D. of Knox County | Knox | 115,531 | Community | Surface water |
| Hallsdale-Powell U.D. | Knox | 84,315 | Community | Surface water |
| West Knox Utility District | Knox | 77,825 | Community | Surface water |
| Knox-Chapman Utility District | Knox | 41,311 | Community | Surface water |
| Northeast Knox U.D. | Knox | 27,941 | Community | Surface water |
| Fort Loudoun Yacht Club | Knox | 135 | 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, “Knoxville Utilities Board - Kub, PWSID TN0000366, Tennessee”, https://aquacensus.com/water-systems/tennessee/knoxville-utilities-board-kub-tn0000366 (data as of October 1, 2026).