WaterVerge

Is Hornbreak, TN Tap Water Safe to Drink?

Graded A-, with 10 unresolved violations on record. See what was cited — and what it means for your tap. What to do next ↓

736 residents served 1 water system PWSID: TN0000607
Overall Score
86.9 / 100
Violations
10 active
Last Updated
May 2026
Source
Purchased ground water
#134 of 299 in Tennessee Top 28% nationally
Local Government
Moderate data confidence
Reviewed by WaterVerge Editorial Team · Last updated May 2026
A-GRADE
Water Quality Grade
86.9/100
waterverge.com
A- 86.9/100

Hornbreak, TN — Water Quality Report

Hornbreak's drinking water received a grade of A- (86.9 out of 100), indicating good water quality. The city's 1 water system serves approximately 736 residents using purchased ground water.

Lead levels were measured at 1.0 ppb (90th percentile), well within EPA limits. This system has not yet been tested for PFAS under the EPA UCMR 5 program.

The system has 39 violations on record, including 0 health-based violations. 10 remain unresolved.

Data last updated: May 2026 · Source: EPA SDWIS, UCMR 5
Analysis

What to know about Hornbreak's water

Hornbreak ranks #134 out of 299 cities in Tennessee for water quality, placing it mid-range in the state.

Hornbreak purchases its water from a regional wholesaler, meaning quality depends on both the supplier's treatment and the local distribution system's condition.

As a small community water system, Hornbreak may have fewer resources for advanced treatment technologies and infrastructure upgrades compared to larger utilities.

Quality Breakdown

Water quality score

See methodology →
86.9 out of 100 Grade A-
A: 90-100
B: 74-89
C: 60-73
F: <50
How is this calculated?
Violations
39.9/45
B
Historical violation record including health-based and monitoring violations.
Lead & Copper
20/20
A
Lead at 1.0 ppb (90th percentile).
Contaminants
17/20
B
PFAS + legacy contaminant analysis.
Compliance
5/10
D
Monitoring and reporting compliance with EPA regulations.
Source Risk
5/5
A
Water source: Purchased ground water.
Water Safety

Is Hornbreak, TN water safe to drink?

Concerns Identified

Hornbreak's drinking water has significant quality concerns based on EPA testing data. With a grade of A- (86.9/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 1 water system serves approximately 736 residents using groundwater (wells).

10
Active Violations
1.0 ppb
Lead (90th %ile)

Recent water quality updates for Hornbreak

A timeline of significant water quality events, violations, and data updates.

Update
Water quality data updated

Latest EPA compliance and testing data incorporated into Hornbreak's water quality assessment. Grade: A- (86.9/100).

Violation
1 drinking water violation recorded

Contaminants: Consumer Confidence Rule.

Violation
2 drinking water violations recorded

Contaminants: Total Haloacetic Acids (HAA5), TTHM.

Violation
1 drinking water violation recorded

Contaminants: Revised Total Coliform Rule.

Key contaminant findings

Based on the most recent EPA sampling data for Hornbreak's water supply.

Lead Within Limits
Detected: 1.0 ppb Limit: 15 ppb (EPA Action Level)

Well within EPA limits.

Violation history

Hornbreak's water system has 39 total violations on record, including 0 health-based violations. 10 remain unresolved. 1 violation was issued in the last 5 years.

OtherMRMON
Most recent violations:
Jul 2021 Consumer Confidence Rule Open
Jul 2020 Total Haloacetic Acids (HAA5) Resolved
Jul 2020 TTHM Resolved
Feb 2020 Revised Total Coliform Rule Resolved
Jan 2020 Lead and Copper Rule Open

Where does Hornbreak's water come from?

Hornbreak's drinking water comes from groundwater (wells), supplied by 1 water system serving approximately 736 people. Groundwater is generally less susceptible to surface contamination but can contain naturally occurring contaminants like arsenic, radon, and nitrate.

What Hornbreak residents can do

Install a water filter

Recommended: NSF-certified water filter. This addresses the specific contaminants found in Hornbreak's water.

Request your utility's CCR

Your water utility is required to publish an annual Consumer Confidence Report (CCR) with detailed testing results. Ask for the latest copy or check your utility's website.

Data: EPA SDWIS, UCMR 5 (PFAS), FEMA, NOAA. Last updated May 2026.

Contaminant Alerts

Top contaminants to know

View all ↓
Lead (90th percentile)
Inorganic / Heavy Metal
Safe
1.0 ppb
EPA Action Level: 15 ppb · 7% of limit
Safe Level
Compliance Record

Violation summary

39
Total violations
0
Health-based
10
Active / unresolved
Jul 2021
Most recent violation
Compliance Record

Violations & advisories

39 Total
10 Active
0 Health-based
29 Resolved
2 SNC
Violations by category
Total Coliform Rule
15
Stage 1 Disinfectants and Disinfection Byproducts Rule
9
Consumer Confidence Rule
5
Stage 2 Disinfectants and Disinfection Byproducts Rule
4
Lead and Copper Rule
3
Jul 2021 Active
Consumer Confidence Rule
Other Violation 0
Jan 2020 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Oct 2019 Active
Public Notice
Other Violation 0
Nov 2018 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Jul 2017 Active
Consumer Confidence Rule
Other Violation 0
Jan 2017 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Jul 2007 Active
Consumer Confidence Rule
Other Violation 0
Jul 2002 Active
Consumer Confidence Rule
Other Violation 0
Jul 2001 Active
Consumer Confidence Rule
Other Violation 0
Active
Compliance Violation
Monitoring 0
Jul 2020 Resolved
Total Haloacetic Acids (HAA5)
Monitoring & Reporting
Monitoring & Reporting Resolved Sep 2020
Jul 2020 Resolved
TTHM
Monitoring & Reporting
Monitoring & Reporting Resolved Sep 2020
Feb 2020 Resolved
Revised Total Coliform Rule
Monitoring
Monitoring Resolved Feb 2020
Jul 2018 Resolved
Total Haloacetic Acids (HAA5)
Monitoring & Reporting
SNC Monitoring & Reporting Resolved Sep 2018
Jul 2018 Resolved
TTHM
Monitoring & Reporting
SNC Monitoring & Reporting Resolved Sep 2018
Aug 2013 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Aug 2013
Jul 2013 Resolved
Chlorine
Monitoring & Reporting
Monitoring & Reporting Resolved Sep 2013
Sep 2012 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Sep 2012
Jul 2012 Resolved
Chlorine
Monitoring & Reporting
Monitoring & Reporting Resolved Sep 2012
Oct 2010 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Oct 2010
Showing 20 of 39 violations
Environmental Risk

Drought conditions

D3 — extreme drought

Obion County is currently in D3 (extreme drought) per the U.S. Drought Monitor (week of May 5, 2026). Drought can elevate disinfection-byproduct (TTHM/HAA5) levels and taste/odor issues as utilities draw from lower reservoirs.

8
Weeks at D2+ (current streak)
9.5%
Months in D2+ (last 30y)
10
Weeks at D2+ (last 5y)

Source: U.S. Drought Monitor, updated weekly by NDMC, USDA, and NOAA.

Full contaminants report

Contaminant Detected Level EPA Limit Unit Category Status
Lead (90th percentile) 1.0 15 ppb Inorganic Safe
Data source: EPA SDWIS, UCMR 5, local utility CCR.

Lead level trend (90th percentile)

EPA action level: 15 ppb
Lead has decreased by 6.0 ppb from 1993 (7.0 ppb) to 2025 (1.0 ppb).
Infrastructure

Water source & infrastructure

Primary Source
Purchased Groundwater
Operator
Local Government
Population Served
736
Water Systems
1
Water Source

Where Hornbreak's water comes from

Purchased Groundwater

Hornbreak purchases its water supply from a regional wholesale provider rather than treating raw water directly.

Water quality depends on both the wholesaler's treatment standards and the condition of Hornbreak's local distribution pipes and storage facilities.

Purchased water systems are common in suburban areas and smaller communities that lack the infrastructure for independent treatment.

The system is operated by local government ownership and serves approximately 736 people through 1 water system.

Infrastructure

Water systems serving Hornbreak

System Name PWSID Population Source
SAMBURG UTILITY DISTRICT TN0000607 736 GWP
Regional Comparison

How Hornbreak compares

Full Tennessee rankings →

Hornbreak's score of 86.9/100 is above the average of 75/100 among major Tennessee cities. It outscores 8 of 10 nearby cities.

Hornbreak (this city)
86.9
Memphis
66.2
Tennessee avg
75
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Frequently asked questions

Is Hornbreak, TN tap water safe to drink?

Hornbreak's water quality earned a grade of A- (86.9/100). The water generally meets EPA standards and is considered safe for consumption. The city ranks #134 out of 299 cities tested in Tennessee.

What contaminants are in Hornbreak's water?

Lead was measured at 1.0 ppb (90th percentile). 39 violations are on record.

How is Hornbreak's water quality grade calculated?

The grade is based on four factors: violation history (40%), lead and copper levels (25%), PFAS contamination (25%), and regulatory compliance (10%). The score is also adjusted based on how complete the available data is. See our methodology page for full details.

Do I need a water filter in Hornbreak?

Based on current data, basic filtration should suffice for additional peace of mind.

Where does Hornbreak's water come from?

Hornbreak's water is sourced from Purchased ground water. The city has 1 water system serving approximately 736 residents.

Is Hornbreak's groundwater at risk of contamination?

Hornbreak uses groundwater, which can be affected by naturally occurring contaminants like arsenic, radon, and nitrate, as well as agricultural runoff and industrial activity. The system has 39 violations on record that may relate to groundwater quality. Groundwater systems are generally less susceptible to surface contamination but should be monitored for emerging contaminants like PFAS.

How does Hornbreak's water compare to other cities?

Hornbreak ranks #134 out of 299 cities in Tennessee (better than 55% of state cities) and #4408 out of 15744 cities nationally (72th percentile). The grade of A- reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.

Does Hornbreak's small water system affect quality?

Hornbreak's system serves approximately 736 residents. Small community water systems (under 3,300 people) may have fewer financial resources for infrastructure upgrades and advanced treatment technologies. However, they are held to the same EPA drinking water standards as larger systems. This system has 39 violations on record.