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Community Water System · PWS TN0000732

Watertown Water System

Watertown, Tennessee 37184 - drinking water served from groundwater sources to 1,920 people, tracked in EPA SDWIS and UCMR5.

1,920
People served
18
EPA violations
11
Health-based
Untested
UCMR5 result

The verdict

EPA records 18 drinking-water violations at Watertown Water System, 61% of them health-based - below the Tennessee per-system average.

18
Total EPA violations on record
61%
Health-based (MCL / treatment failure)
1,920
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Watertown Water System

Watertown Water System is a local-owned community water system that delivers drinking water to 1,920 residents in Watertown, Tennessee (Wilson County) through 711 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 18 total violations for this system , of which 11 (61%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 3 monitoring and reporting violations are on file. The most recent violation on record dates to 2021.

The most frequently cited contaminant at this system is Surface Water Treatment Rule, recorded in 6 violations (TT, health-based). 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%).

Watertown Water System's 18 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
1,920
Total Violations
18
Health-Based Violations
11
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Local
Connections
711
County
Wilson
School/Daycare
No
MCL Violations
0
Monitoring Violations
3
Treatment Tech Violations
11

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Surface Water Treatment Rule TT 6 1996
Lead and Copper Rule TT 4 2006
Coliform (TCR) MR 3 1997
Consumer Confidence Rule Other 2 2021
Stage 1 Disinfectants and Disinfection Byproducts Rule TT 1 2019
Public Notice Other 1 2019

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 Watertown 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 TN0000732 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 Watertown 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
2021 Consumer Confidence Rule Other 2 SDWIS / TN0000732 / 7000
2019 Stage 1 Disinfectants and Disinfection Byproducts Rule TT 1 SDWIS / TN0000732 / 0400
2019 Public Notice Other 1 SDWIS / TN0000732 / 7500
2006 Lead and Copper Rule TT 4 SDWIS / TN0000732 / 5000
1997 Coliform (TCR) MR 3 SDWIS / TN0000732 / 3100
1996 Surface Water Treatment Rule TT 6 SDWIS / TN0000732 / 0200

How Watertown Water System Compares

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

Metric Watertown Water System Tennessee avg Federal benchmark
Total violations 18 56.8 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 11 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 1,920 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 Watertown Water System water safe to drink? ▼
Watertown Water System (PWS ID: TN0000732) has 18 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 1,920 people using Groundwater sources.
How many people does Watertown Water System serve? ▼
Watertown Water System serves 1,920 people in Watertown, Tennessee. It is a Local-owned system using Groundwater water sources with 711 service connections.
What type of violations does Watertown Water System have? ▼
Watertown Water System has 18 total violations: 11 health-based violations (MCL exceedances or treatment failures), 3 monitoring/reporting violations, and 11 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Watertown Water System water? ▼
No PFAS testing data is available for Watertown Water System under the EPA's UCMR5 monitoring program.
What water source does Watertown Water System use? ▼
Watertown Water System uses Groundwater 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.