PlainWater
Counties → Tennessee

Knox County, Tennessee

Water Systems
9
Population Served
601,914
Total Violations
406
44 health-based
PFAS Detected
2
of 6 tested

Violation Analysis

100.0%
Systems with Violations
45.1
Avg Violations per System
10.8%
Health-Based Violations

Water Source Types

SW
6 systems (67%)
GW
3 systems (33%)

PFAS Contamination

6
Systems Tested
2
PFAS Detected
33.3%
Detection Rate

PFAS (per- and polyfluoroalkyl substances) are persistent chemicals found in drinking water. The EPA has set enforceable limits for several PFAS compounds under UCMR5 monitoring.

Compliance Snapshot

Knox Tennessee water systems by violation status, EPA SDWIS records.

No violations on record (0) One or more violations (9)

Violation history is cumulative, many flagged systems have already returned to compliance. Detail pages show per-system context.

Water Systems

System Name Population Violations PFAS
Knoxville Utilities Board - Kub 254,671 29 Detected
First U.d. of Knox County 115,531 45 Detected
Hallsdale-Powell U.d. 84,315 68 Clean
West Knox Utility District 77,825 13 Clean
Knox-Chapman Utility District 41,311 71 Clean
Northeast Knox U.d. 27,941 32 Clean
Fort Loudoun Yacht Club 135 38 -
Cemex Const Materials Atl, LLC 120 98 -
Nyrstar TN Mines-Strawberry Plains, LLC 65 12 -

Other Counties in Tennessee

Davidson County
4 systems · 924,319 served · 394 violations
Shelby County
8 systems · 822,834 served · 604 violations
Rutherford County
5 systems · 433,004 served · 394 violations
Hamilton County
11 systems · 412,782 served · 324 violations
Montgomery County
7 systems · 344,788 served · 413 violations
Sumner County
6 systems · 298,975 served · 326 violations

Drinking Water Guides

Frequently Asked Questions

How many water violations are in Knox County? ▼
Knox County has 406 total drinking water violations across 9 water systems, of which 44 are health-based violations. 100.0% of systems have at least one violation.
How many people get water from Knox County systems? ▼
Water systems in Knox County serve approximately 601,914 people through 9 public water systems.
Has PFAS been detected in Knox County water? ▼
Of 6 water systems tested for PFAS in Knox County, 2 had PFAS detected (33.3% detection rate).
What types of water sources supply Knox County? ▼
Water systems in Knox County use SW (6 systems), GW (3 systems) as their primary water sources.
Are health-based violations serious? ▼
Health-based violations indicate that drinking water exceeded Maximum Contaminant Levels (MCLs) set by the EPA or failed treatment technique requirements. 10.8% of Knox County's violations are health-based. Not all violations indicate immediate health risk, but they require corrective action.
Data Sources & Methodology

Drinking water violation data from the EPA Safe Drinking Water Information System (SDWIS). PFAS testing data from the UCMR5 monitoring program. SDWIS tracks all public water systems regulated under the Safe Drinking Water Act.

Violations are categorized as health-based (Maximum Contaminant Level exceedances, treatment technique failures) or monitoring/reporting violations. Not all violations indicate an immediate health risk.

Read our methodology - how this data is sourced, computed, and verified.

Data sourced from EPA SDWIS and UCMR5 PFAS monitoring data. See our methodology for details. Retrieved and formatted by PlainWater Editorial

Every figure on PlainWater is rendered directly from EPA SDWIS drinking-water data, no number is typed in by an editor. This page draws directly on EPA SDWIS data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.