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Community Water System · PWS TN0000269

Graysville Water Dept

Graysville, Tennessee 37338 - drinking water served from groundwater sources to 1,888 people, tracked in EPA SDWIS and UCMR5.

1,888
People served
93
EPA violations
21
Health-based
No PFAS
UCMR5 result

The verdict

EPA records 93 drinking-water violations at Graysville Water Dept, 23% of them health-based - above the Tennessee per-system average.

93
Total EPA violations on record
23%
Health-based (MCL / treatment failure)
1,888
People served by this system
0
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Graysville Water Dept

Graysville Water Dept is a local-owned community water system that delivers drinking water to 1,888 residents in Graysville, Tennessee (Rhea County) through 726 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 93 total violations for this system , of which 21 (23%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 61 monitoring and reporting violations are on file. The most recent violation on record dates to 2023.

The most frequently cited contaminant at this system is Groundwater Rule, recorded in 20 violations (TT, health-based). 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%).

Graysville Water Dept's 93 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
1,888
Total Violations
93
Health-Based Violations
21
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Local
Connections
726
County
Rhea
School/Daycare
No
MCL Violations
1
Monitoring Violations
61
Treatment Tech Violations
20

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Groundwater Rule TT 20 2023
Total Haloacetic Acids (HAA5) MR 14 2021
TTHM MR 13 2021
Consumer Confidence Rule Other 6 2021
Chlorine MR 5 2015
Coliform (TCR) MR 5 2015
OXAMYL MR 3 1995
Glyphosate MR 3 1995
Arsenic MR 2 1985
Nitrate MR 2 1985
Mercury MR 2 1985
Fluoride MR 2 1985
Chromium MR 2 1985
Barium MR 2 1985
Cadmium MR 2 1985
Selenium MR 2 1985
Atrazine MR 2 2014
Public Notice Other 1 2016
Coliform (TCR) MCL 1 1989

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 0 of 58 samples detected PFAS.

Contaminant Date Result MRL Status
11Cl-PF3OUdS 5/17/2023 <5.00 ppt 5.00 ppt Not Detected
PFTA 5/17/2023 <8.00 ppt 8.00 ppt Not Detected
PFTrDA 5/17/2023 <7.00 ppt 7.00 ppt Not Detected
NEtFOSAA 5/17/2023 <5.00 ppt 5.00 ppt Not Detected
NMeFOSAA 5/17/2023 <6.00 ppt 6.00 ppt Not Detected
9Cl-PF3ONS 5/17/2023 <2.00 ppt 2.00 ppt Not Detected
PFUnA 5/17/2023 <2.00 ppt 2.00 ppt Not Detected
PFHxA 5/17/2023 <3.00 ppt 3.00 ppt Not Detected
PFDoA 5/17/2023 <3.00 ppt 3.00 ppt Not Detected
PFDA 5/17/2023 <3.00 ppt 3.00 ppt Not Detected
PFOA 5/17/2023 <4.00 ppt 4.00 ppt Not Detected
PFNA 5/17/2023 <4.00 ppt 4.00 ppt Not Detected
NFDHA 5/17/2023 <20.00 ppt 20.00 ppt Not Detected
PFHxS 5/17/2023 <3.00 ppt 3.00 ppt Not Detected
PFHpA 5/17/2023 <3.00 ppt 3.00 ppt Not Detected
PFOS 5/17/2023 <4.00 ppt 4.00 ppt Not Detected
PFMBA 5/17/2023 <3.00 ppt 3.00 ppt Not Detected
HFPO-DA 5/17/2023 <5.00 ppt 5.00 ppt Not Detected
ADONA 5/17/2023 <3.00 ppt 3.00 ppt Not Detected
PFBA 5/17/2023 <5.00 ppt 5.00 ppt Not Detected
6:2 FTS 5/17/2023 <5.00 ppt 5.00 ppt Not Detected
4:2 FTS 5/17/2023 <3.00 ppt 3.00 ppt Not Detected
8:2 FTS 5/17/2023 <5.00 ppt 5.00 ppt Not Detected
PFHpS 5/17/2023 <3.00 ppt 3.00 ppt Not Detected
PFPeA 5/17/2023 <3.00 ppt 3.00 ppt Not Detected
PFEESA 5/17/2023 <3.00 ppt 3.00 ppt Not Detected
PFPeS 5/17/2023 <4.00 ppt 4.00 ppt Not Detected
PFBS 5/17/2023 <3.00 ppt 3.00 ppt Not Detected
PFMPA 5/17/2023 <4.00 ppt 4.00 ppt Not Detected
ADONA 11/21/2023 <3.00 ppt 3.00 ppt Not Detected
PFHxA 11/21/2023 <3.00 ppt 3.00 ppt Not Detected
PFUnA 11/21/2023 <2.00 ppt 2.00 ppt Not Detected
HFPO-DA 11/21/2023 <5.00 ppt 5.00 ppt Not Detected
11Cl-PF3OUdS 11/21/2023 <5.00 ppt 5.00 ppt Not Detected
9Cl-PF3ONS 11/21/2023 <2.00 ppt 2.00 ppt Not Detected
PFDoA 11/21/2023 <3.00 ppt 3.00 ppt Not Detected
PFDA 11/21/2023 <3.00 ppt 3.00 ppt Not Detected
PFOA 11/21/2023 <4.00 ppt 4.00 ppt Not Detected
PFNA 11/21/2023 <4.00 ppt 4.00 ppt Not Detected
PFHxS 11/21/2023 <3.00 ppt 3.00 ppt Not Detected
PFBS 11/21/2023 <3.00 ppt 3.00 ppt Not Detected
PFBA 11/21/2023 <5.00 ppt 5.00 ppt Not Detected
PFHpA 11/21/2023 <3.00 ppt 3.00 ppt Not Detected
6:2 FTS 11/21/2023 <5.00 ppt 5.00 ppt Not Detected
PFTrDA 11/21/2023 <7.00 ppt 7.00 ppt Not Detected
PFTA 11/21/2023 <8.00 ppt 8.00 ppt Not Detected
NEtFOSAA 11/21/2023 <5.00 ppt 5.00 ppt Not Detected
NMeFOSAA 11/21/2023 <6.00 ppt 6.00 ppt Not Detected
PFHpS 11/21/2023 <3.00 ppt 3.00 ppt Not Detected
PFPeS 11/21/2023 <4.00 ppt 4.00 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 Graysville Water Dept.

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 TN0000269 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 Graysville Water Dept 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
2023 Groundwater Rule TT 20 SDWIS / TN0000269 / 0700
2021 Total Haloacetic Acids (HAA5) MR 14 SDWIS / TN0000269 / 2456
2021 TTHM MR 13 SDWIS / TN0000269 / 2950
2021 Consumer Confidence Rule Other 6 SDWIS / TN0000269 / 7000
2016 Public Notice Other 1 SDWIS / TN0000269 / 7500
2015 Chlorine MR 5 SDWIS / TN0000269 / 0999
2015 Coliform (TCR) MR 5 SDWIS / TN0000269 / 3100
2014 Atrazine MR 2 SDWIS / TN0000269 / 2050
1995 OXAMYL MR 3 SDWIS / TN0000269 / 2036
1995 Glyphosate MR 3 SDWIS / TN0000269 / 2034
1989 Coliform (TCR) MCL 1 SDWIS / TN0000269 / 3100
1985 Arsenic MR 2 SDWIS / TN0000269 / 1005
1985 Nitrate MR 2 SDWIS / TN0000269 / 1040
1985 Mercury MR 2 SDWIS / TN0000269 / 1035
1985 Fluoride MR 2 SDWIS / TN0000269 / 1025

How Graysville Water Dept Compares

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

Metric Graysville Water Dept Tennessee avg Federal benchmark
Total violations 93 56.8 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 21 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 1,888 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 Graysville Water Dept water safe to drink?
Graysville Water Dept (PWS ID: TN0000269) has 93 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 1,888 people using Groundwater sources.
How many people does Graysville Water Dept serve?
Graysville Water Dept serves 1,888 people in Graysville, Tennessee. It is a Local-owned system using Groundwater water sources with 726 service connections.
What type of violations does Graysville Water Dept have?
Graysville Water Dept has 93 total violations: 21 health-based violations (MCL exceedances or treatment failures), 61 monitoring/reporting violations, and 20 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Graysville Water Dept water?
No. Graysville Water Dept was tested for PFAS under the EPA's UCMR5 monitoring program and no PFAS contamination was detected.
What water source does Graysville Water Dept use?
Graysville Water Dept 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. 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.