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Transient Non-Community Water System · PWS TN0000950

Dry Branch Water System #1

Holladay, Tennessee 38341 - drinking water served from groundwater sources to 18 people, tracked in EPA SDWIS and UCMR5.

18
People served
216
EPA violations
17
Health-based
Untested
UCMR5 result

The verdict

EPA records 216 drinking-water violations at Dry Branch Water System #1, 8% of them health-based - above the Tennessee per-system average.

216
Total EPA violations on record
8%
Health-based (MCL / treatment failure)
18
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Dry Branch Water System #1

Dry Branch Water System #1 is a private-owned transient non-community water system that delivers drinking water to 18 residents in Holladay, Tennessee (Benton County) through 41 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 216 total violations for this system , of which 17 (8%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 199 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 Coliform (TCR), recorded in 35 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%).

Dry Branch Water System #1's 216 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
18
Total Violations
216
Health-Based Violations
17
Water Source
Groundwater

System Details

System Type
Transient Non-Community
Owner Type
Private
Connections
41
County
Benton
School/Daycare
No
MCL Violations
17
Monitoring Violations
199
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MR 35 2015
Coliform (TCR) MCL 17 2009
Chlorine MR 13 2014
E. COLI MR 6 2015
Arsenic MR 4 2011
Cadmium MR 4 2011
CYANIDE MR 4 2011
Fluoride MR 4 2011
Mercury MR 4 2011
Nickel MR 4 2011
Thallium, Total MR 4 2011
1,2,4-Trichlorobenzene MR 4 2011
Xylenes, Total MR 4 2011
DICHLOROMETHANE MR 4 2011
Vinyl chloride MR 4 2011
1,2-Dichloroethane MR 4 2011
1,1,1-Trichloroethane MR 4 2011
1,2-Dichloropropane MR 4 2011
Trichloroethylene MR 4 2011
CHLOROBENZENE MR 4 2011
Benzene MR 4 2011
Ethylbenzene MR 4 2011
Styrene MR 4 2011
Barium MR 4 2011
Selenium MR 4 2011
cis-1,2-Dichloroethylene MR 4 2011
o-Dichlorobenzene MR 4 2011
p-Dichlorobenzene MR 4 2011
1,1-Dichloroethylene MR 4 2011
trans-1,2-Dichloroethylene 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 Dry Branch Water System #1.

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 TN0000950 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 Dry Branch Water System #1 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 MON 4 SDWIS / TN0000950 / 8000
2015 Coliform (TCR) MR 35 SDWIS / TN0000950 / 3100
2015 E. COLI MR 6 SDWIS / TN0000950 / 3014
2014 Chlorine MR 13 SDWIS / TN0000950 / 0999
2014 Total Haloacetic Acids (HAA5) MR 3 SDWIS / TN0000950 / 2456
2014 TTHM MR 3 SDWIS / TN0000950 / 2950
2011 Arsenic MR 4 SDWIS / TN0000950 / 1005
2011 Cadmium MR 4 SDWIS / TN0000950 / 1015
2011 CYANIDE MR 4 SDWIS / TN0000950 / 1024
2011 Fluoride MR 4 SDWIS / TN0000950 / 1025
2011 Mercury MR 4 SDWIS / TN0000950 / 1035
2011 Nickel MR 4 SDWIS / TN0000950 / 1036
2011 Thallium, Total MR 4 SDWIS / TN0000950 / 1085
2011 1,2,4-Trichlorobenzene MR 4 SDWIS / TN0000950 / 2378
2011 Xylenes, Total MR 4 SDWIS / TN0000950 / 2955

How Dry Branch Water System #1 Compares

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

Metric Dry Branch Water System #1 Tennessee avg Federal benchmark
Total violations 216 56.8 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 17 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 18 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 Dry Branch Water System #1 water safe to drink? ▼
Dry Branch Water System #1 (PWS ID: TN0000950) has 216 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 18 people using Groundwater sources.
How many people does Dry Branch Water System #1 serve? ▼
Dry Branch Water System #1 serves 18 people in Holladay, Tennessee. It is a Private-owned system using Groundwater water sources with 41 service connections.
What type of violations does Dry Branch Water System #1 have? ▼
Dry Branch Water System #1 has 216 total violations: 17 health-based violations (MCL exceedances or treatment failures), 199 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Dry Branch Water System #1 water? ▼
No PFAS testing data is available for Dry Branch Water System #1 under the EPA's UCMR5 monitoring program.
What water source does Dry Branch Water System #1 use? ▼
Dry Branch Water System #1 uses Groundwater as its primary water source. It is classified as a Transient Non-Community Water System, serving transient populations.
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.