PlainWater
Counties → Tennessee

Decatur County, Tennessee

Water Systems
8
Population Served
14,522
Total Violations
307
78 health-based
PFAS Detected
2
of 2 tested

Violation Analysis

100.0%
Systems with Violations
38.4
Avg Violations per System
25.4%
Health-Based Violations

Water Source Types

SW
4 systems (50%)
GW
4 systems (50%)

PFAS Contamination

2
Systems Tested
2
PFAS Detected
100.0%
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

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

No violations on record (0) One or more violations (8)

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
Parsons Water Department 4,303 38 Detected
North U.dep. of Decatur/Benton Co 3,818 87 Detected
Perryville Utility District 3,127 63 -
Decaturville Water System 2,384 51 -
Woodlawn Shores Water Dept 635 45 -
Ponderosa Trailer Area 116 9 -
Ponderosa House Area 114 10 -
Ponderosa Club House 25 4 -

Other Counties in Tennessee

Davidson County
4 systems · 924,319 served · 394 violations
Shelby County
8 systems · 822,834 served · 604 violations
Knox County
9 systems · 601,914 served · 406 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

Drinking Water Guides

Frequently Asked Questions

How many water violations are in Decatur County? ▼
Decatur County has 307 total drinking water violations across 8 water systems, of which 78 are health-based violations. 100.0% of systems have at least one violation.
How many people get water from Decatur County systems? ▼
Water systems in Decatur County serve approximately 14,522 people through 8 public water systems.
Has PFAS been detected in Decatur County water? ▼
Of 2 water systems tested for PFAS in Decatur County, 2 had PFAS detected (100.0% detection rate).
What types of water sources supply Decatur County? ▼
Water systems in Decatur County use SW (4 systems), GW (4 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. 25.4% of Decatur 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.