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Community Water System · PWS TN0008280

Mountain Side Estates

Sweetwater, Tennessee 37874 - drinking water served from groundwater sources to 121 people, tracked in EPA SDWIS and UCMR5.

121
People served
178
EPA violations
4
Health-based
Untested
UCMR5 result

The verdict

EPA records 178 drinking-water violations at Mountain Side Estates, 2% of them health-based - above the Tennessee per-system average.

178
Total EPA violations on record
2%
Health-based (MCL / treatment failure)
121
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Mountain Side Estates

Mountain Side Estates is a private-owned community water system that delivers drinking water to 121 residents in Sweetwater, Tennessee (Monroe County) through 49 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 4 (2%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 171 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 Atrazine, recorded in 7 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%).

Mountain Side Estates'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
121
Total Violations
178
Health-Based Violations
4
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Private
Connections
49
County
Monroe
School/Daycare
No
MCL Violations
4
Monitoring Violations
171
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Atrazine MR 7 2020
Revised Total Coliform Rule MON 5 2019
CYANIDE MR 4 2014
Nickel MR 4 2014
Selenium MR 4 2014
DICHLOROMETHANE MR 4 2016
1,1-Dichloroethylene MR 4 2016
1,2-Dichloroethane MR 4 2016
1,1,1-Trichloroethane MR 4 2016
Carbon tetrachloride MR 4 2016
Coliform (TCR) MCL 4 2016
1,2-Dichloropropane MR 4 2016
Trichloroethylene MR 4 2016
1,1,2-Trichloroethane MR 4 2016
Tetrachloroethylene MR 4 2016
CHLOROBENZENE MR 4 2016
Benzene MR 4 2016
Ethylbenzene MR 4 2016
Styrene MR 4 2016
Chlorine MR 4 2019
Arsenic MR 4 2014
Barium MR 4 2014
Chromium MR 4 2014
TTHM MR 4 2020
Xylenes, Total MR 4 2016
Cadmium MR 4 2014
Mercury MR 4 2014
Vinyl chloride MR 4 2016
Fluoride MR 4 2014
Total Haloacetic Acids (HAA5) MR 4 2020

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 Mountain Side Estates.

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 TN0008280 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 Mountain Side Estates 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 RPT 2 SDWIS / TN0008280 / 8000
2023 E. COLI MR 4 SDWIS / TN0008280 / 3014
2020 Atrazine MR 7 SDWIS / TN0008280 / 2050
2020 TTHM MR 4 SDWIS / TN0008280 / 2950
2020 Total Haloacetic Acids (HAA5) MR 4 SDWIS / TN0008280 / 2456
2020 Consumer Confidence Rule Other 1 SDWIS / TN0008280 / 7000
2019 Revised Total Coliform Rule MON 5 SDWIS / TN0008280 / 8000
2019 Chlorine MR 4 SDWIS / TN0008280 / 0999
2016 DICHLOROMETHANE MR 4 SDWIS / TN0008280 / 2964
2016 1,1-Dichloroethylene MR 4 SDWIS / TN0008280 / 2977
2016 1,2-Dichloroethane MR 4 SDWIS / TN0008280 / 2980
2016 1,1,1-Trichloroethane MR 4 SDWIS / TN0008280 / 2981
2016 Carbon tetrachloride MR 4 SDWIS / TN0008280 / 2982
2016 Coliform (TCR) MCL 4 SDWIS / TN0008280 / 3100
2016 1,2-Dichloropropane MR 4 SDWIS / TN0008280 / 2983

How Mountain Side Estates Compares

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

Metric Mountain Side Estates Tennessee avg Federal benchmark
Total violations 178 56.8 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 4 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 121 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 Mountain Side Estates water safe to drink? ▼
Mountain Side Estates (PWS ID: TN0008280) has 178 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 121 people using Groundwater sources.
How many people does Mountain Side Estates serve? ▼
Mountain Side Estates serves 121 people in Sweetwater, Tennessee. It is a Private-owned system using Groundwater water sources with 49 service connections.
What type of violations does Mountain Side Estates have? ▼
Mountain Side Estates has 178 total violations: 4 health-based violations (MCL exceedances or treatment failures), 171 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Mountain Side Estates water? ▼
No PFAS testing data is available for Mountain Side Estates under the EPA's UCMR5 monitoring program.
What water source does Mountain Side Estates use? ▼
Mountain Side Estates 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.