First U.D. of Knox County

Community water system in Knox County, Tennessee, drawing primarily on surface water.

Dataset updated October 2026 . Source: EPA SDWIS/ECHO public records.

Population served

115,531

Service connections

48,138

Primary source

Surface water

System type

CWS

Community water system

System record

PWSIDTN0000369

System typeCommunity water system

Activity statusActive

Population served115,531

Service connections48,138

Primary water sourceSurface water

Owner typeLocal government

Primacy agencyTN state drinking water program

City servedKnoxville

StateTennessee

ZIP—

CountyKnox County

Violations & enforcement

Began	Violation	Contaminant or rule	Health-based	Status
2018-09-01	Public notice, recordkeeping or otherRecord Keeping · code 09	Interim Enhanced Surface Water Treatment Rulecode 0300	No	Unaddressed
2016-07-01	Public notice, recordkeeping or otherRecord Keeping · code 09	Interim Enhanced Surface Water Treatment Rulecode 0300	No	Resolved
2014-06-01	Monitoring and reportingMonitoring of Treatment (SWTR-Filter) · code 36	Surface Water Treatment Rulecode 0200	No	Resolved
2008-07-01	Required treatment not metMonthly Turbidity Exceed (Enhanced SWTR) · code 44	Interim Enhanced Surface Water Treatment Rulecode 0300	Yes	Resolved
2002-07-01	Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71	Consumer Confidence Rulecode 7000	No	Resolved
2002-02-01	Required treatment not metMonthly Turbidity Exceed (Enhanced SWTR) · code 44	Interim Enhanced Surface Water Treatment Rulecode 0300	Yes	Archived
1992-07-01	Monitoring and reportingMonitoring, Routine Minor (TCR) · code 24	Total coliform bacteria (TCR)code 3100	No	Archived
1991-11-01	Monitoring and reportingMonitoring, Routine Minor (TCR) · code 24	Total coliform bacteria (TCR)code 3100	No	Archived
1991-09-01	Monitoring and reportingMonitoring, Routine Minor (TCR) · code 24	Total coliform bacteria (TCR)code 3100	No	Archived
1989-04-01	Monitoring and reportingMonitoring, Regular · code 03	Toluenecode 2991	No	Archived
1989-04-01	Monitoring and reportingMonitoring, Regular · code 03	1,2-Dichloroethanecode 2980	No	Archived
1989-04-01	Monitoring and reportingMonitoring, Regular · code 03	Tetrachloroethylenecode 2987	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.

First U.D. of Knox County: frequently asked questions

Is First U.D. of Knox County's water safe to drink?

First U.D. of Knox County is an active community water system regulated under the Safe Drinking Water Act, overseen by the TN state drinking water program. EPA's SDWA data records violations for this system — the most recent are listed on this page, including health-based violations; consult EPA ECHO or your annual Consumer Confidence Report for its current compliance status.

Who runs First U.D. of Knox County?

First U.D. of Knox County (PWSID TN0000369) is a local government-owned community water system, regulated by the TN state drinking water program.

How many people does First U.D. of Knox County serve?

First U.D. of Knox County reports serving 115,531 people through 48,138 service connections in Knox County, Tennessee.

Where does First U.D. of Knox County get its water?

EPA SDWIS lists this system's primary water source as surface water.

Other water systems in Knox County

Water system	County	Population served	Type	Source
Knoxville Utilities Board - Kub	Knox	254,671	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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