PlainWater
States → Tennessee

Community Water System · PWS TN0000280

Hallsdale-Powell U.d.

Knoxville, Tennessee 37928-0199 - drinking water served from surface water sources to 84,315 people, tracked in EPA SDWIS and UCMR5.

84,315
People served
68
EPA violations
15
Health-based
No PFAS
UCMR5 result

The verdict

EPA records 68 drinking-water violations at Hallsdale-Powell U.d., 22% of them health-based - above the Tennessee per-system average.

68
Total EPA violations on record
22%
Health-based (MCL / treatment failure)
84,315
People served by this system
0
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Hallsdale-Powell U.d.

Hallsdale-Powell U.d. is a local-owned community water system that delivers drinking water to 84,315 residents in Knoxville, Tennessee (Knox County) through 35,131 service connections. Its water is drawn from surface water sources. EPA's Safe Drinking Water Information System records 68 total violations for this system , of which 15 (22%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 46 monitoring and reporting violations are on file. The most recent violation on record dates to 2016.

The most frequently cited contaminant at this system is Interim Enhanced Surface Water Treatment Rule, recorded in 8 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%).

Hallsdale-Powell U.d.'s 68 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
84,315
Total Violations
68
Health-Based Violations
15
Water Source
Surface Water

System Details

System Type
Community
Owner Type
Local
Connections
35,131
County
Knox
School/Daycare
No
MCL Violations
8
Monitoring Violations
46
Treatment Tech Violations
7

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Interim Enhanced Surface Water Treatment Rule MR 8 2005
Total Haloacetic Acids (HAA5) MCL 8 2016
Interim Enhanced Surface Water Treatment Rule TT 7 2003
Consumer Confidence Rule Other 3 2002
Selenium MR 3 2011
Nitrate MR 3 1996
Mercury MR 3 2011
Barium MR 3 2011
Chromium MR 3 2011
Fluoride MR 3 2011
CARBON, TOTAL MR 3 2002
Cadmium MR 3 2011
Arsenic MR 3 2011
Nickel MR 2 2011
Antimony, Total MR 2 2011
Thallium, Total MR 2 2011
CYANIDE MR 2 2011
Beryllium, Total MR 2 2011
Gross Alpha, Excl. Radon and U MR 1 1980

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 0 of 232 samples detected PFAS.

Contaminant Date Result MRL Status
PFHpS 7/8/2025 <3.00 ppt 3.00 ppt Not Detected
PFDoA 7/8/2025 <3.00 ppt 3.00 ppt Not Detected
PFHxA 7/8/2025 <3.00 ppt 3.00 ppt Not Detected
PFPeS 7/8/2025 <4.00 ppt 4.00 ppt Not Detected
PFMBA 7/8/2025 <3.00 ppt 3.00 ppt Not Detected
PFUnA 7/8/2025 <2.00 ppt 2.00 ppt Not Detected
PFMPA 7/8/2025 <4.00 ppt 4.00 ppt Not Detected
8:2 FTS 7/8/2025 <5.00 ppt 5.00 ppt Not Detected
4:2 FTS 7/8/2025 <3.00 ppt 3.00 ppt Not Detected
6:2 FTS 7/8/2025 <5.00 ppt 5.00 ppt Not Detected
PFBA 7/8/2025 <5.00 ppt 5.00 ppt Not Detected
HFPO-DA 7/8/2025 <5.00 ppt 5.00 ppt Not Detected
ADONA 7/8/2025 <3.00 ppt 3.00 ppt Not Detected
PFBS 7/8/2025 <3.00 ppt 3.00 ppt Not Detected
11Cl-PF3OUdS 7/8/2025 <5.00 ppt 5.00 ppt Not Detected
PFEESA 7/8/2025 <3.00 ppt 3.00 ppt Not Detected
PFDA 7/8/2025 <3.00 ppt 3.00 ppt Not Detected
PFOA 7/8/2025 <4.00 ppt 4.00 ppt Not Detected
PFOS 7/8/2025 <4.00 ppt 4.00 ppt Not Detected
PFNA 7/8/2025 <4.00 ppt 4.00 ppt Not Detected
PFHxS 7/8/2025 <3.00 ppt 3.00 ppt Not Detected
NEtFOSAA 7/8/2025 <5.00 ppt 5.00 ppt Not Detected
PFTrDA 7/8/2025 <7.00 ppt 7.00 ppt Not Detected
PFTA 7/8/2025 <8.00 ppt 8.00 ppt Not Detected
NMeFOSAA 7/8/2025 <6.00 ppt 6.00 ppt Not Detected
9Cl-PF3ONS 7/8/2025 <2.00 ppt 2.00 ppt Not Detected
NFDHA 7/8/2025 <20.00 ppt 20.00 ppt Not Detected
PFPeA 7/8/2025 <3.00 ppt 3.00 ppt Not Detected
PFHpA 7/8/2025 <3.00 ppt 3.00 ppt Not Detected
PFHpA 7/8/2025 <3.00 ppt 3.00 ppt Not Detected
PFPeS 7/8/2025 <4.00 ppt 4.00 ppt Not Detected
PFEESA 7/8/2025 <3.00 ppt 3.00 ppt Not Detected
PFMBA 7/8/2025 <3.00 ppt 3.00 ppt Not Detected
PFPeA 7/8/2025 <3.00 ppt 3.00 ppt Not Detected
PFHxS 7/8/2025 <3.00 ppt 3.00 ppt Not Detected
8:2 FTS 7/8/2025 <5.00 ppt 5.00 ppt Not Detected
PFHpS 7/8/2025 <3.00 ppt 3.00 ppt Not Detected
4:2 FTS 7/8/2025 <3.00 ppt 3.00 ppt Not Detected
6:2 FTS 7/8/2025 <5.00 ppt 5.00 ppt Not Detected
PFBA 7/8/2025 <5.00 ppt 5.00 ppt Not Detected
HFPO-DA 7/8/2025 <5.00 ppt 5.00 ppt Not Detected
PFBS 7/8/2025 <3.00 ppt 3.00 ppt Not Detected
PFMPA 7/8/2025 <4.00 ppt 4.00 ppt Not Detected
NFDHA 7/8/2025 <20.00 ppt 20.00 ppt Not Detected
NMeFOSAA 7/8/2025 <6.00 ppt 6.00 ppt Not Detected
PFNA 7/8/2025 <4.00 ppt 4.00 ppt Not Detected
NEtFOSAA 7/8/2025 <5.00 ppt 5.00 ppt Not Detected
PFTrDA 7/8/2025 <7.00 ppt 7.00 ppt Not Detected
PFTA 7/8/2025 <8.00 ppt 8.00 ppt Not Detected
ADONA 7/8/2025 <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 Hallsdale-Powell 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 TN0000280 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 Hallsdale-Powell 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
2016 Total Haloacetic Acids (HAA5) MCL 8 SDWIS / TN0000280 / 2456
2011 Selenium MR 3 SDWIS / TN0000280 / 1045
2011 Mercury MR 3 SDWIS / TN0000280 / 1035
2011 Barium MR 3 SDWIS / TN0000280 / 1010
2011 Chromium MR 3 SDWIS / TN0000280 / 1020
2011 Fluoride MR 3 SDWIS / TN0000280 / 1025
2011 Cadmium MR 3 SDWIS / TN0000280 / 1015
2011 Arsenic MR 3 SDWIS / TN0000280 / 1005
2011 Nickel MR 2 SDWIS / TN0000280 / 1036
2011 Antimony, Total MR 2 SDWIS / TN0000280 / 1074
2011 Thallium, Total MR 2 SDWIS / TN0000280 / 1085
2011 CYANIDE MR 2 SDWIS / TN0000280 / 1024
2011 Beryllium, Total MR 2 SDWIS / TN0000280 / 1075
2005 Interim Enhanced Surface Water Treatment Rule MR 8 SDWIS / TN0000280 / 0300
2003 Interim Enhanced Surface Water Treatment Rule TT 7 SDWIS / TN0000280 / 0300

How Hallsdale-Powell U.d. Compares

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

Metric Hallsdale-Powell U.d. Tennessee avg Federal benchmark
Total violations 68 56.8 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 15 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 84,315 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 Hallsdale-Powell U.d. water safe to drink? ▼
Hallsdale-Powell U.d. (PWS ID: TN0000280) has 68 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 84,315 people using Surface Water sources.
How many people does Hallsdale-Powell U.d. serve? ▼
Hallsdale-Powell U.d. serves 84,315 people in Knoxville, Tennessee. It is a Local-owned system using Surface Water water sources with 35,131 service connections.
What type of violations does Hallsdale-Powell U.d. have? ▼
Hallsdale-Powell U.d. has 68 total violations: 15 health-based violations (MCL exceedances or treatment failures), 46 monitoring/reporting violations, and 7 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Hallsdale-Powell U.d. water? ▼
No. Hallsdale-Powell U.d. was tested for PFAS under the EPA's UCMR5 monitoring program and no PFAS contamination was detected.
What water source does Hallsdale-Powell U.d. use? ▼
Hallsdale-Powell U.d. 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.

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.