PlainWater
States → Tennessee

Community Water System · PWS TN0000098

Cedar Grove U.d.

Cedar Grove, Tennessee 38321 - drinking water served from groundwater sources to 1,492 people, tracked in EPA SDWIS and UCMR5.

1,492
People served
178
EPA violations
5
Health-based
Untested
UCMR5 result

The verdict

EPA records 178 drinking-water violations at Cedar Grove U.d., 3% of them health-based - above the Tennessee per-system average.

178
Total EPA violations on record
3%
Health-based (MCL / treatment failure)
1,492
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Cedar Grove U.d.

Cedar Grove U.d. is a local-owned community water system that delivers drinking water to 1,492 residents in Cedar Grove, Tennessee (Carroll County) through 609 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 178 total violations for this system , of which 5 (3%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 167 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 Asbestos, recorded in 6 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%).

Cedar Grove U.d.'s 178 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
1,492
Total Violations
178
Health-Based Violations
5
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Local
Connections
609
County
Carroll
School/Daycare
No
MCL Violations
5
Monitoring Violations
167
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Asbestos MR 6 2011
Coliform (TCR) MCL 5 1995
CYANIDE MR 4 2011
Nickel MR 4 2011
Antimony, Total MR 4 2011
Beryllium, Total MR 4 2011
Thallium, Total MR 4 2011
Selenium MR 4 2011
1,2,4-Trichlorobenzene MR 4 2011
o-Dichlorobenzene MR 4 2011
trans-1,2-Dichloroethylene MR 4 2011
1,2-Dichloroethane MR 4 2011
CHLOROBENZENE MR 4 2011
Toluene MR 4 2011
Ethylbenzene MR 4 2011
Styrene MR 4 2011
Total Haloacetic Acids (HAA5) MR 4 2014
Radium-226 MR 4 2011
TTHM MR 4 2014
Arsenic MR 4 2011
Cadmium MR 4 2011
Chromium MR 4 2011
Coliform (TCR) MR 4 1995
Xylenes, Total MR 4 2011
1,1-Dichloroethylene MR 4 2011
Gross Alpha, Excl. Radon and U MR 4 2011
Radium-228 MR 4 2011
Vinyl chloride MR 4 2011
Mercury MR 4 2011
1,1,1-Trichloroethane MR 4 2011

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 Cedar Grove U.d..

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 TN0000098 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 Cedar Grove U.d. 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 Nitrate MR 2 SDWIS / TN0000098 / 1040
2014 Total Haloacetic Acids (HAA5) MR 4 SDWIS / TN0000098 / 2456
2014 TTHM MR 4 SDWIS / TN0000098 / 2950
2011 Asbestos MR 6 SDWIS / TN0000098 / 1094
2011 CYANIDE MR 4 SDWIS / TN0000098 / 1024
2011 Nickel MR 4 SDWIS / TN0000098 / 1036
2011 Antimony, Total MR 4 SDWIS / TN0000098 / 1074
2011 Beryllium, Total MR 4 SDWIS / TN0000098 / 1075
2011 Thallium, Total MR 4 SDWIS / TN0000098 / 1085
2011 Selenium MR 4 SDWIS / TN0000098 / 1045
2011 1,2,4-Trichlorobenzene MR 4 SDWIS / TN0000098 / 2378
2011 o-Dichlorobenzene MR 4 SDWIS / TN0000098 / 2968
2011 trans-1,2-Dichloroethylene MR 4 SDWIS / TN0000098 / 2979
2011 1,2-Dichloroethane MR 4 SDWIS / TN0000098 / 2980
2011 CHLOROBENZENE MR 4 SDWIS / TN0000098 / 2989

How Cedar Grove U.d. Compares

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

Metric Cedar Grove U.d. Tennessee avg Federal benchmark
Total violations 178 56.8 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 5 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 1,492 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 Cedar Grove U.d. water safe to drink? ▼
Cedar Grove U.d. (PWS ID: TN0000098) has 178 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 1,492 people using Groundwater sources.
How many people does Cedar Grove U.d. serve? ▼
Cedar Grove U.d. serves 1,492 people in Cedar Grove, Tennessee. It is a Local-owned system using Groundwater water sources with 609 service connections.
What type of violations does Cedar Grove U.d. have? ▼
Cedar Grove U.d. has 178 total violations: 5 health-based violations (MCL exceedances or treatment failures), 167 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Cedar Grove U.d. water? ▼
No PFAS testing data is available for Cedar Grove U.d. under the EPA's UCMR5 monitoring program.
What water source does Cedar Grove U.d. use? ▼
Cedar Grove U.d. 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.