WaterVerge

Is Chapel Hill, TN Tap Water Safe to Drink?

Graded A-, with 4 unresolved violations on record. See what was cited — and what it means for your tap. What to do next ↓

3K residents served 1 water system PWSID: TN0000104
Overall Score
85.1 / 100
Violations
4 active
Last Updated
May 2026
Source
Purchased surface water
#172 of 299 in Tennessee Top 35% nationally
Local Government
High data confidence
Reviewed by WaterVerge Editorial Team · Last updated May 2026
A-GRADE
Water Quality Grade
85.1/100
waterverge.com
A- 85.1/100

Chapel Hill, TN — Water Quality Report

Chapel Hill's drinking water received a grade of A- (85.1 out of 100), indicating good water quality. The city's 1 water system serves approximately 3,426 residents using purchased surface 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 57 violations on record, including 43 health-based violations. 4 remain unresolved.

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

What to know about Chapel Hill's water

Chapel Hill ranks #172 out of 299 cities in Tennessee for water quality, placing it below average in the state.

The city draws from surface water sources, which are more susceptible to seasonal runoff and agricultural contamination, requiring extensive multi-barrier treatment including coagulation, filtration, and disinfection.

Quality Breakdown

Water quality score

See methodology →
85.1 out of 100 Grade A-
A: 90-100
B: 74-89
C: 60-73
F: <50
How is this calculated?
Violations
36.1/45
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
8/10
B
Monitoring and reporting compliance with EPA regulations.
Source Risk
4/5
B
Water source: Purchased surface water.
Water Safety

Is Chapel Hill, TN water safe to drink?

Concerns Identified

Chapel Hill's drinking water has significant quality concerns based on EPA testing data. With a grade of A- (85.1/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 1 water system serves approximately 3,426 residents using surface water (rivers, lakes, or reservoirs).

4
Active Violations
1.0 ppb
Lead (90th %ile)
3 events
Disaster History

Recent water quality updates for Chapel Hill

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

Update
Water quality data updated

Latest EPA compliance and testing data incorporated into Chapel Hill's water quality assessment. Grade: A- (85.1/100).

Violation
1 drinking water violation recorded

Contaminants: Revised Total Coliform Rule.

Violation
1 drinking water violation recorded

Contaminants: Consumer Confidence Rule.

Disaster
SEVERE STORMS, FLOODING, LANDSLIDES, AND MUDSLIDES

Federal disaster declaration (FEMA DR-4427). Flood event — may have impacted local water infrastructure.

Violation
1 drinking water violation recorded

Contaminants: Interim Enhanced Surface Water Treatment Rule.

Disaster
HURRICANE KATRINA EVACUATION

Federal disaster declaration (FEMA DR-3217). Hurricane event — may have impacted local water infrastructure.

Key contaminant findings

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

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

Well within EPA limits.

Violation history

Chapel Hill's water system has 57 total violations on record, including 43 health-based violations. 4 remain unresolved. 2 violations were issued in the last 5 years.

MONOtherMRTT
Most recent violations:
Mar 2023 Revised Total Coliform Rule Resolved
Jul 2021 Consumer Confidence Rule Open
May 2009 Interim Enhanced Surface Water Treatment Rule Resolved
May 2008 Interim Enhanced Surface Water Treatment Rule Open
Dec 2005 Surface Water Treatment Rule Resolved

Flood & environmental risk

Marshall County has experienced 3 federally declared disasters since 1973. Flooding and severe storms can overwhelm water treatment plants, cause sewage overflows, and introduce agricultural runoff, bacteria, and sediment into drinking water supplies. Local water sources include Duck River, Duck River Above Milltown.

SEVERE STORMS, FLOODING, LANDSLIDES, AND MUDSLIDES
Flood FEMA DR-4427
HURRICANE KATRINA EVACUATION
Hurricane FEMA DR-3217
HEAVY RAINS & FLOODING
Flood FEMA DR-366

Where does Chapel Hill's water come from?

Chapel Hill's drinking water comes from surface water (rivers, lakes, or reservoirs), supplied by 1 water system serving approximately 3,426 people. Surface water sources are more susceptible to contamination from runoff, industrial discharge, and algal blooms, requiring extensive treatment. Nearby water bodies include Duck River (river), Duck River Above Milltown (river).

What Chapel Hill residents can do

Install a water filter

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

Monitor alerts during storms

Chapel Hill's area has a history of flooding. After severe weather, watch for boil water advisories from your local utility.

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

57
Total violations
43
Health-based
4
Active / unresolved
Mar 2023
Most recent violation
Compliance Record

Violations & advisories

57 Total
4 Active
43 Health-based
53 Resolved
Violations by category
Surface Water Treatment Rule
43
Interim and Long Term 1 Enhanced Surface Water Treatment Rule
5
Stage 1 Disinfectants and Disinfection Byproducts Rule
2
Total Coliform Rule
2
Revised Total Coliform Rule
1
Jul 2021 Active
Consumer Confidence Rule
Other Violation 0
May 2008 Active
Interim Enhanced Surface Water Treatment Rule
Other Violation 0
Nov 2005 Active
Interim Enhanced Surface Water Treatment Rule
Other Violation 0
Active
Compliance Violation
Monitoring 0
Mar 2023 Resolved
Revised Total Coliform Rule
Monitoring
Monitoring Resolved Mar 2023
May 2009 Resolved
Interim Enhanced Surface Water Treatment Rule
Monitoring & Reporting
Monitoring & Reporting Resolved May 2009
Dec 2005 Resolved
Surface Water Treatment Rule
Treatment Technique
Health-Based Health Resolved Dec 2005
Sep 2005 Resolved
Interim Enhanced Surface Water Treatment Rule
Monitoring & Reporting
Monitoring & Reporting Resolved Sep 2005
Sep 2005 Resolved
Surface Water Treatment Rule
Treatment Technique
Health-Based Health Resolved Sep 2005
Aug 2005 Resolved
Interim Enhanced Surface Water Treatment Rule
Monitoring & Reporting
Monitoring & Reporting Resolved Aug 2005
Jul 2005 Resolved
Total Haloacetic Acids (HAA5)
Monitoring & Reporting
Monitoring & Reporting Resolved Sep 2005
Jul 2005 Resolved
TTHM
Monitoring & Reporting
Monitoring & Reporting Resolved Sep 2005
Jun 2005 Resolved
Surface Water Treatment Rule
Treatment Technique
Health-Based Health Resolved Jun 2005
Apr 2005 Resolved
Surface Water Treatment Rule
Treatment Technique
Health-Based Health Resolved Apr 2005
Feb 2005 Resolved
Surface Water Treatment Rule
Treatment Technique
Health-Based Health Resolved Feb 2005
Nov 2004 Resolved
Surface Water Treatment Rule
Treatment Technique
Health-Based Health Resolved Nov 2004
Jun 2004 Resolved
Surface Water Treatment Rule
Treatment Technique
Health-Based Health Resolved Jun 2004
Mar 2004 Resolved
Surface Water Treatment Rule
Treatment Technique
Health-Based Health Resolved Mar 2004
Feb 2004 Resolved
Surface Water Treatment Rule
Treatment Technique
Health-Based Health Resolved Feb 2004
Jan 2004 Resolved
Surface Water Treatment Rule
Treatment Technique
Health-Based Health Resolved Jan 2004
Showing 20 of 57 violations
Environmental Risk

Drought conditions

D2 — severe drought

Marshall County is currently in D2 (severe 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.

4
Weeks at D2+ (current streak)
8.9%
Months in D2+ (last 30y)
4
Weeks at D2+ (last 5y)

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

Environmental Risk

Flood & disaster history

3
Declared disasters
Apr 2019
Most recent
Flood
Most common type

Marshall County has experienced 3 federally declared disasters since 1973. Flooding and severe weather can compromise water treatment infrastructure and introduce contaminants into drinking water supplies.

Apr 2019
SEVERE STORMS, FLOODING, LANDSLIDES, AND MUDSLIDES
Flood FEMA #4427
Sep 2005
HURRICANE KATRINA EVACUATION
Hurricane FEMA #3217
Mar 1973
HEAVY RAINS & FLOODING
Flood FEMA #366

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 2.0 ppb from 1993 (3.0 ppb) to 2025 (1.0 ppb).
Infrastructure

Water source & infrastructure

Primary Source
Purchased Surface Water
Operator
Local Government
Population Served
3,426
Water Systems
1
Water Source

Where Chapel Hill's water comes from

Purchased Surface Water

Chapel Hill's drinking water comes primarily from surface water sources such as rivers, lakes, or reservoirs.

Surface water systems require multi-stage treatment including coagulation, sedimentation, filtration, and disinfection to meet EPA Safe Drinking Water Act standards.

These sources can be impacted by seasonal changes, stormwater runoff, upstream agriculture, and industrial discharge.

The system is operated by local government ownership and serves approximately 3,426 people through 1 water system.

Local Hydrology

Water bodies near Chapel Hill

Chapel Hill is located near 2 notable water bodies. As a surface water system, these water bodies may directly influence the city's drinking water supply.

Duck River
river
Duck River Above Milltown
river
Infrastructure

Water systems serving Chapel Hill

System Name PWSID Population Source
CHAPEL HILL WATER SYSTEM TN0000104 3,426 SWP
Regional Comparison

How Chapel Hill compares

Full Tennessee rankings →

Chapel Hill's score of 85.1/100 is above the average of 75/100 among major Tennessee cities. It outscores 7 of 10 nearby cities.

Chapel Hill (this city)
85.1
Memphis
66.2
Tennessee avg
75
City Profile

About Chapel Hill, TN

Economic Profile
$79,583
Median Income
$240,629
Median Home Value
$1,060/mo
Median Rent
3.7%
Unemployment
Community
44.4
Median Age
167
People / sq mi
16.7%
College Educated
84.2%
Homeownership
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Frequently asked questions

Is Chapel Hill, TN tap water safe to drink?

Chapel Hill's water quality earned a grade of A- (85.1/100). The water generally meets EPA standards and is considered safe for consumption. The city ranks #172 out of 299 cities tested in Tennessee.

What contaminants are in Chapel Hill's water?

Lead was measured at 1.0 ppb (90th percentile). 57 violations are on record.

How is Chapel Hill'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 Chapel Hill?

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

Where does Chapel Hill's water come from?

Chapel Hill's water is sourced from Purchased surface water. The city has 1 water system serving approximately 3,426 residents.

What health violations has Chapel Hill's water system had?

Chapel Hill has 43 health-based violations on record. The most recent violation was recorded in March 2023. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. 4 violations remain unresolved.

How does Chapel Hill's water compare to other cities?

Chapel Hill ranks #172 out of 299 cities in Tennessee (better than 42% of state cities) and #5498 out of 15744 cities nationally (65th percentile). The grade of A- reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.