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Community Water System · PWS TN0000186

Decaturville Water System

Linden, Tennessee 37096 - drinking water served from surface water sources to 2,384 people, tracked in EPA SDWIS and UCMR5.

2,384
People served
51
EPA violations
13
Health-based
Untested
UCMR5 result

The verdict

EPA records 51 drinking-water violations at Decaturville Water System, 25% of them health-based - below the Tennessee per-system average.

51
Total EPA violations on record
25%
Health-based (MCL / treatment failure)
2,384
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Decaturville Water System

Decaturville Water System is a local-owned community water system that delivers drinking water to 2,384 residents in Linden, Tennessee (Decatur County) through 965 service connections. Its water is drawn from surface water sources. EPA's Safe Drinking Water Information System records 51 total violations for this system , of which 13 (25%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 36 monitoring and reporting violations are on file. The most recent violation on record dates to 2024.

The most frequently cited contaminant at this system is Coliform (TCR), recorded in 23 violations (MR). This system has not yet been sampled under EPA's UCMR5 PFAS monitoring program, so no PFAS detection data is available here.

Across Tennessee, EPA tracks 762 public water systems serving 7,934,203 people, with 43,318 cumulative violations and 9,414 health-based violations on record. About 94% of systems in the state carry at least one violation, and state-wide the average per system is 56.8 violations. Statewide, 93 of 277 UCMR5-tested systems have reported PFAS detections (33.6%).

Decaturville Water System's 51 violations sit below the Tennessee average.

All figures above are sourced directly from EPA SDWIS and UCMR5 public data releases and are updated as EPA publishes new reporting cycles.

Population Served
2,384
Total Violations
51
Health-Based Violations
13
Water Source
Surface Water

System Details

System Type
Community
Owner Type
Local
Connections
965
County
Decatur
School/Daycare
No
MCL Violations
13
Monitoring Violations
36
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MR 23 2014
Total Haloacetic Acids (HAA5) MCL 5 2009
Asbestos MR 5 2011
TTHM MCL 5 2009
Revised Total Coliform Rule MON 4 2024
Chlorine MR 4 2024
Coliform (TCR) MCL 3 2007
Consumer Confidence Rule Other 2 2024

Verify This Water System

The figures above are aggregated from EPA's public databases. To verify the underlying records, or to file a complaint, request a Consumer Confidence Report, or check current monitoring status, go directly to the federal and state regulators that enforce the Safe Drinking Water Act for Decaturville Water System.

Federal Source of Truth

EPA SDWIS, Federal Reports

EPA's Safe Drinking Water Information System (SDWIS) holds the federal compliance record for every regulated public water system. Open the system-level report by PWS ID:

View PWS ID TN0000186 on SDWIS

Source: EPA SDWIS Federal Reports Search

State Regulator

Tennessee Drinking Water Authority

Tennessee Department of Environment & Conservation, Drinking Water is the primacy agency that licenses and inspects Decaturville Water System under EPA-delegated authority.

Open TN regulator portal

Source: Tennessee Department of Environment & Conservation, Drinking Water

Violation Timeline

Each row links to the EPA SDWIS public record for verification. Cross-reference the contaminant code on EPA's federal report to see violation dates, return-to-compliance status, and enforcement actions.

Year (latest) Contaminant Category Count EPA Record
2024 Revised Total Coliform Rule MON 4 SDWIS / TN0000186 / 8000
2024 Chlorine MR 4 SDWIS / TN0000186 / 0999
2024 Consumer Confidence Rule Other 2 SDWIS / TN0000186 / 7000
2014 Coliform (TCR) MR 23 SDWIS / TN0000186 / 3100
2011 Asbestos MR 5 SDWIS / TN0000186 / 1094
2009 Total Haloacetic Acids (HAA5) MCL 5 SDWIS / TN0000186 / 2456
2009 TTHM MCL 5 SDWIS / TN0000186 / 2950
2007 Coliform (TCR) MCL 3 SDWIS / TN0000186 / 3100

How Decaturville Water System Compares

Cross-reference this system's record against state averages and the federal MCL framework for context.

Metric Decaturville Water System Tennessee avg Federal benchmark
Total violations 51 56.8 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 13 12.4 Indicates a contaminant exceeded a federal MCL
PFAS detection None 33.6% EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 2,384 10,412 Sizing context for compliance burden

Sources: EPA SDWIS and EPA National Primary Drinking Water Regulations (40 CFR Part 141). State averages computed across 762 regulated public water systems in Tennessee.

Federal MCL reference, Safe Drinking Water Act thresholds ▼
Contaminant Federal MCL / Action Level Note
Lead 0 mg/L (Action Level: 0.015 mg/L) Lead and Copper Rule treatment technique
Arsenic 0.010 mg/L (10 ppb) Health-based MCL since 2006
Total Coliform Treatment technique (RTCR) Indicator organism, monitoring trigger
PFOA / PFOS (PFAS) 4.0 ppt each (final 2024 rule) Compliance deadline 2029 (EPA proposed extending to 2031, not yet final as of May 2026)
Nitrate (as N) 10 mg/L Acute health risk for infants

Frequently Asked Questions

Is Decaturville Water System water safe to drink? ▼
Decaturville Water System (PWS ID: TN0000186) has 51 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 2,384 people using Surface Water sources.
How many people does Decaturville Water System serve? ▼
Decaturville Water System serves 2,384 people in Linden, Tennessee. It is a Local-owned system using Surface Water water sources with 965 service connections.
What type of violations does Decaturville Water System have? ▼
Decaturville Water System has 51 total violations: 13 health-based violations (MCL exceedances or treatment failures), 36 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Decaturville Water System water? ▼
No PFAS testing data is available for Decaturville Water System under the EPA's UCMR5 monitoring program.
What water source does Decaturville Water System use? ▼
Decaturville Water System uses Surface Water as its primary water source. It is classified as a Community Water System (CWS), serving residential populations year-round.
Where does this data come from? ▼
All data comes from the EPA Safe Drinking Water Information System (SDWIS) and the UCMR5 PFAS monitoring program. SDWIS tracks compliance for all public water systems regulated under the Safe Drinking Water Act.
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025. This data is provided for informational purposes only.

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 system's figures are rendered directly from 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.