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Community Water System · PWS TN0000637

Smithville Water System

Smithville, Tennessee 37166 - drinking water served from surface water sources to 7,049 people, tracked in EPA SDWIS and UCMR5.

7,049
People served
186
EPA violations
11
Health-based
No PFAS
UCMR5 result

The verdict

EPA records 186 drinking-water violations at Smithville Water System, 6% of them health-based - above the Tennessee per-system average.

186
Total EPA violations on record
6%
Health-based (MCL / treatment failure)
7,049
People served by this system
0
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Smithville Water System

Smithville Water System is a local-owned community water system that delivers drinking water to 7,049 residents in Smithville, Tennessee (DeKalb County) through 2,775 service connections. Its water is drawn from surface water sources. EPA's Safe Drinking Water Information System records 186 total violations for this system , of which 11 (6%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 151 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 Cryptosporidium, recorded in 39 violations (MR). This system was sampled under EPA's UCMR5 PFAS monitoring program and no PFAS compounds were detected above the minimum reporting level.

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%).

Smithville Water System's 186 violations sit above 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
7,049
Total Violations
186
Health-Based Violations
11
Water Source
Surface Water

System Details

System Type
Community
Owner Type
Local
Connections
2,775
County
DeKalb
School/Daycare
No
MCL Violations
5
Monitoring Violations
151
Treatment Tech Violations
6

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Cryptosporidium MR 39 2010
Consumer Confidence Rule Other 19 2024
Chlorine MR 11 2023
Coliform (TCR) MR 9 2014
TTHM MR 6 2023
Total Haloacetic Acids (HAA5) MR 6 2023
Lead and Copper Rule MR 5 2020
TTHM MCL 5 2023
Revised Total Coliform Rule MON 5 2023
Public Notice Other 4 2021
Nitrate MR 4 1993
Stage 2 Disinfectants and Disinfection Byproducts Rule MR 3 2010
Surface Water Treatment Rule TT 3 2010
1,2,4-Trichlorobenzene MR 3 2020
Xylenes, Total MR 3 2020
DICHLOROMETHANE MR 3 2020
o-Dichlorobenzene MR 3 2020
p-Dichlorobenzene MR 3 2020
1,2-Dichloroethane MR 3 2020
Carbon tetrachloride MR 3 2020
Tetrachloroethylene MR 3 2020
CHLOROBENZENE MR 3 2020
Benzene MR 3 2020
Toluene MR 3 2020
Ethylbenzene MR 3 2020
Styrene MR 3 2020
cis-1,2-Dichloroethylene MR 3 2020
Vinyl chloride MR 3 2020
trans-1,2-Dichloroethylene MR 3 2020
1,2-Dichloropropane MR 3 2020

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 0 of 116 samples detected PFAS.

Contaminant Date Result MRL Status
NFDHA 9/5/2023 <20.00 ppt 20.00 ppt Not Detected
ADONA 9/5/2023 <3.00 ppt 3.00 ppt Not Detected
HFPO-DA 9/5/2023 <5.00 ppt 5.00 ppt Not Detected
PFBA 9/5/2023 <5.00 ppt 5.00 ppt Not Detected
6:2 FTS 9/5/2023 <5.00 ppt 5.00 ppt Not Detected
4:2 FTS 9/5/2023 <3.00 ppt 3.00 ppt Not Detected
8:2 FTS 9/5/2023 <5.00 ppt 5.00 ppt Not Detected
PFMPA 9/5/2023 <4.00 ppt 4.00 ppt Not Detected
PFPeA 9/5/2023 <3.00 ppt 3.00 ppt Not Detected
PFHpS 9/5/2023 <3.00 ppt 3.00 ppt Not Detected
PFEESA 9/5/2023 <3.00 ppt 3.00 ppt Not Detected
PFPeS 9/5/2023 <4.00 ppt 4.00 ppt Not Detected
PFUnA 9/5/2023 <2.00 ppt 2.00 ppt Not Detected
PFMBA 9/5/2023 <3.00 ppt 3.00 ppt Not Detected
9Cl-PF3ONS 9/5/2023 <2.00 ppt 2.00 ppt Not Detected
11Cl-PF3OUdS 9/5/2023 <5.00 ppt 5.00 ppt Not Detected
PFBS 9/5/2023 <3.00 ppt 3.00 ppt Not Detected
PFHpA 9/5/2023 <3.00 ppt 3.00 ppt Not Detected
PFNA 9/5/2023 <4.00 ppt 4.00 ppt Not Detected
PFOS 9/5/2023 <4.00 ppt 4.00 ppt Not Detected
PFOA 9/5/2023 <4.00 ppt 4.00 ppt Not Detected
PFDA 9/5/2023 <3.00 ppt 3.00 ppt Not Detected
PFDoA 9/5/2023 <3.00 ppt 3.00 ppt Not Detected
PFHxS 9/5/2023 <3.00 ppt 3.00 ppt Not Detected
PFHxA 9/5/2023 <3.00 ppt 3.00 ppt Not Detected
NEtFOSAA 7/18/2023 <5.00 ppt 5.00 ppt Not Detected
NMeFOSAA 7/18/2023 <6.00 ppt 6.00 ppt Not Detected
PFTrDA 7/18/2023 <7.00 ppt 7.00 ppt Not Detected
PFTA 7/18/2023 <8.00 ppt 8.00 ppt Not Detected
PFDA 5/2/2023 <3.00 ppt 3.00 ppt Not Detected
PFBA 5/2/2023 <5.00 ppt 5.00 ppt Not Detected
HFPO-DA 5/2/2023 <5.00 ppt 5.00 ppt Not Detected
ADONA 5/2/2023 <3.00 ppt 3.00 ppt Not Detected
9Cl-PF3ONS 5/2/2023 <2.00 ppt 2.00 ppt Not Detected
PFUnA 5/2/2023 <2.00 ppt 2.00 ppt Not Detected
6:2 FTS 5/2/2023 <5.00 ppt 5.00 ppt Not Detected
PFDoA 5/2/2023 <3.00 ppt 3.00 ppt Not Detected
11Cl-PF3OUdS 5/2/2023 <5.00 ppt 5.00 ppt Not Detected
PFOA 5/2/2023 <4.00 ppt 4.00 ppt Not Detected
PFOS 5/2/2023 <4.00 ppt 4.00 ppt Not Detected
PFNA 5/2/2023 <4.00 ppt 4.00 ppt Not Detected
PFHxS 5/2/2023 <3.00 ppt 3.00 ppt Not Detected
PFHpA 5/2/2023 <3.00 ppt 3.00 ppt Not Detected
NMeFOSAA 5/2/2023 <6.00 ppt 6.00 ppt Not Detected
PFTrDA 5/2/2023 <7.00 ppt 7.00 ppt Not Detected
PFHxA 5/2/2023 <3.00 ppt 3.00 ppt Not Detected
NEtFOSAA 5/2/2023 <5.00 ppt 5.00 ppt Not Detected
4:2 FTS 5/2/2023 <3.00 ppt 3.00 ppt Not Detected
PFTA 5/2/2023 <8.00 ppt 8.00 ppt Not Detected
PFHpS 5/2/2023 <3.00 ppt 3.00 ppt Not Detected

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 Smithville 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 TN0000637 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 Smithville 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 Consumer Confidence Rule Other 19 SDWIS / TN0000637 / 7000
2023 Chlorine MR 11 SDWIS / TN0000637 / 0999
2023 TTHM MR 6 SDWIS / TN0000637 / 2950
2023 Total Haloacetic Acids (HAA5) MR 6 SDWIS / TN0000637 / 2456
2023 TTHM MCL 5 SDWIS / TN0000637 / 2950
2023 Revised Total Coliform Rule MON 5 SDWIS / TN0000637 / 8000
2021 Public Notice Other 4 SDWIS / TN0000637 / 7500
2020 Lead and Copper Rule MR 5 SDWIS / TN0000637 / 5000
2020 1,2,4-Trichlorobenzene MR 3 SDWIS / TN0000637 / 2378
2020 Xylenes, Total MR 3 SDWIS / TN0000637 / 2955
2020 DICHLOROMETHANE MR 3 SDWIS / TN0000637 / 2964
2020 o-Dichlorobenzene MR 3 SDWIS / TN0000637 / 2968
2020 p-Dichlorobenzene MR 3 SDWIS / TN0000637 / 2969
2020 1,2-Dichloroethane MR 3 SDWIS / TN0000637 / 2980
2020 Carbon tetrachloride MR 3 SDWIS / TN0000637 / 2982

How Smithville Water System Compares

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

Metric Smithville Water System Tennessee avg Federal benchmark
Total violations 186 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 7,049 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 Smithville Water System water safe to drink?
Smithville Water System (PWS ID: TN0000637) has 186 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 7,049 people using Surface Water sources.
How many people does Smithville Water System serve?
Smithville Water System serves 7,049 people in Smithville, Tennessee. It is a Local-owned system using Surface Water water sources with 2,775 service connections.
What type of violations does Smithville Water System have?
Smithville Water System has 186 total violations: 11 health-based violations (MCL exceedances or treatment failures), 151 monitoring/reporting violations, and 6 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Smithville Water System water?
No. Smithville Water System was tested for PFAS under the EPA's UCMR5 monitoring program and no PFAS contamination was detected.
What water source does Smithville Water System use?
Smithville 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. PFAS data from EPA UCMR5 monitoring program (2023-2025). This data is provided for informational purposes only.
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.