WaterVerge

Is Cedar Hill, TN Tap Water Safe to Drink?

Graded A- — but Chlorate was detected above EPA limits. Here's what's in the water and how to remove it. What to do next ↓

6K residents served 1 water system PWSID: TN0000001
Overall Score
85.5 / 100
Violations
7 active
Last Updated
May 2026
Source
Surface water
#155 of 299 in Tennessee Top 34% nationally
Local Government
High data confidence
Reviewed by WaterVerge Editorial Team · Last updated May 2026
A-GRADE
Water Quality Grade
85.5/100
waterverge.com
A- 85.5/100

Cedar Hill, TN — Water Quality Report

Cedar Hill's drinking water received a grade of A- (85.5 out of 100), indicating good water quality. The city's 1 water system serves approximately 5,915 residents using surface water.

Lead levels were measured at 1.0 ppb (90th percentile), well within EPA limits. PFAS testing under UCMR 5 found no detectable forever chemicals.

The system has 28 violations on record, including 1 health-based violation. 7 remain unresolved.

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

What to know about Cedar Hill's water

Cedar Hill ranks #155 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.

Hexavalent chromium (chromium-6) was detected at 0.51 µg/L in UCMR 3 testing. While below California's 10 µg/L limit and with no federal MCL set, residents sensitive to this contaminant may consider reverse osmosis filtration.

Quality Breakdown

Water quality score

See methodology →
85.5 out of 100 Grade A-
A: 90-100
B: 74-89
C: 60-73
F: <50
How is this calculated?
Violations
36.9/45
B
Historical violation record including health-based and monitoring violations.
Lead & Copper
20/20
A
Lead at 1.0 ppb (90th percentile).
Contaminants
19.6/20
A
No PFAS compounds detected.
Compliance
5/10
D
Monitoring and reporting compliance with EPA regulations.
Source Risk
4/5
B
Water source: Surface water.
Water Safety

Is Cedar Hill, TN water safe to drink?

Concerns Identified

Cedar Hill's drinking water has significant quality concerns based on EPA testing data. With a grade of A- (85.5/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 1 water system serves approximately 5,915 residents using surface water (rivers, lakes, or reservoirs).

7
Active Violations
1.0 ppb
Lead (90th %ile)
None
PFAS Detected
3 events
Disaster History

Recent water quality updates for Cedar 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 Cedar Hill's water quality assessment. Grade: A- (85.5/100).

Violation
1 drinking water violation recorded

Contaminants: Consumer Confidence Rule.

Violation
1 drinking water violation recorded

Contaminants: Public Notice.

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.

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 Cedar Hill's water supply.

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

Well within EPA limits.

Violation history

Cedar Hill's water system has 28 total violations on record, including 1 health-based violation. 7 remain unresolved. 4 violations were issued in the last 5 years.

OtherMCLMR
Most recent violations:
Jul 2025 Consumer Confidence Rule Open
Sep 2021 Public Notice Open
Jul 2021 Consumer Confidence Rule Open
Jan 2021 TTHM Resolved
Jan 2020 Atrazine Resolved

Flood & environmental risk

Robertson County has experienced 3 federally declared disasters since 1975. 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 Red River.

SEVERE STORMS, FLOODING, LANDSLIDES, AND MUDSLIDES
Flood FEMA DR-4427
HURRICANE KATRINA EVACUATION
Hurricane FEMA DR-3217
SEVERE STORMS & FLOODING
Flood FEMA DR-459

Where does Cedar Hill's water come from?

Cedar Hill's drinking water comes from surface water (rivers, lakes, or reservoirs), supplied by 1 water system serving approximately 5,915 people. Surface water sources are more susceptible to contamination from runoff, industrial discharge, and algal blooms, requiring extensive treatment. Nearby water bodies include Red River (river).

What Cedar Hill residents can do

Install a water filter

Recommended: NSF-certified water filter. This addresses the specific contaminants found in Cedar 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

Cedar 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
Chromium-6 (Hexavalent Chromium)
Inorganic
Detected
0.51 µg/L
CA MCL (no federal MCL): 10 µg/L · 5% of limit
DetectedUCMR 3 Data
Strontium
Inorganic
Detected
304.0 µg/L
EPA Health Ref Level: 1,500 µg/L · 20% of limit
DetectedUCMR 3 Data
Vanadium
Inorganic
Detected
0.71 µg/L
EPA Short-term HA: 21 µg/L · 3% of limit
DetectedUCMR 3 Data
Chlorate
Disinfection Byproduct
Over HA
214.0 µg/L
EPA Lifetime HA: 210 µg/L · +2% over limit
Over Health AdvisoryUCMR 3 Data
PFAS Testing

Forever chemicals overview

National PFAS report →
30
Compounds tested
0
Detected
0
Exceed EPA MCL
Compliance Record

Violation summary

28
Total violations
1
Health-based
7
Active / unresolved
Jul 2025
Most recent violation
Compliance Record

Violations & advisories

28 Total
7 Active
1 Health-based
21 Resolved
1 SNC
Violations by category
Long Term 2 Enhanced Surface Water Treatment Rule
10
Total Coliform Rule
6
Consumer Confidence Rule
2
Public Notice Rule and Revised PN Rule
2
Stage 1 Disinfectants and Disinfection Byproducts Rule
2
Jul 2025 Active
Consumer Confidence Rule
Other Violation 0
Sep 2021 Active
Public Notice
Other Violation 0
Jul 2021 Active
Consumer Confidence Rule
Other Violation 0
Aug 2017 Active
Public Notice
Other Violation 0
Apr 2016 Active
Revised Total Coliform Rule
Other Violation 0
Apr 2009 Active
Interim Enhanced Surface Water Treatment Rule
Other Violation 0
Active
Compliance Violation
Monitoring 0
Jan 2021 Resolved
TTHM
Max Contaminant Level
SNC Health Resolved Mar 2021
Jan 2020 Resolved
Atrazine
Monitoring & Reporting
Monitoring & Reporting Resolved Mar 2020
Jan 2015 Resolved
Chlorine
Monitoring & Reporting
Monitoring & Reporting Resolved Mar 2015
Jan 2015 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Jan 2015
Jan 2011 Resolved
Cryptosporidium
Monitoring & Reporting
Monitoring & Reporting Resolved Jan 2011
Dec 2010 Resolved
Cryptosporidium
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2010
Nov 2010 Resolved
Cryptosporidium
Monitoring & Reporting
Monitoring & Reporting Resolved Nov 2010
Oct 2010 Resolved
Cryptosporidium
Monitoring & Reporting
Monitoring & Reporting Resolved Oct 2010
Sep 2010 Resolved
Cryptosporidium
Monitoring & Reporting
Monitoring & Reporting Resolved Sep 2010
Aug 2010 Resolved
Cryptosporidium
Monitoring & Reporting
Monitoring & Reporting Resolved Aug 2010
Jul 2010 Resolved
Cryptosporidium
Monitoring & Reporting
Monitoring & Reporting Resolved Jul 2010
Jun 2010 Resolved
Cryptosporidium
Monitoring & Reporting
Monitoring & Reporting Resolved Jun 2010
May 2010 Resolved
Surface Water Treatment Rule
Monitoring & Reporting
Monitoring & Reporting Resolved May 2010
Showing 20 of 28 violations
Industrial pollution

Top industrial polluters within 10 miles of Cedar Hill

Industrial polluters nearby

Reported releases to surface water by facilities near Cedar Hill, ranked by pounds discharged annually.

FacilityTop chemicalTo surface water (lbs/yr)Distance
ELECTROLUX CONSUMER PRODUCTS INC.
Electrical Equipment · ELECTROLUX CONSUMER PRODUCTS INC
SPRINGFIELD, TN37172
7.7 mi

Source: EPA Toxic Release Inventory (TRI) 2023

Environmental Risk

Drought conditions

D3 — extreme drought

Robertson 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.

5
Weeks at D2+ (current streak)
5.9%
Months in D2+ (last 30y)
5
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

Robertson County has experienced 3 federally declared disasters since 1975. 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 1975
SEVERE STORMS & FLOODING
Flood FEMA #459

Full contaminants report

Contaminant Detected Level EPA Limit Unit Category Status
Lead (90th percentile) 1.0 15 ppb Inorganic Safe
11Cl-PF3OUdS ND HI µg/L PFAS Not Detected
4:2 FTS ND HI µg/L PFAS Not Detected
6:2 FTS ND HI µg/L PFAS Not Detected
8:2 FTS ND HI µg/L PFAS Not Detected
9Cl-PF3ONS ND HI µg/L PFAS Not Detected
ADONA ND HI µg/L PFAS Not Detected
HFPO-DA ND 0.01 µg/L PFAS Not Detected
lithium ND HI µg/L PFAS Not Detected
NEtFOSAA ND HI µg/L PFAS Not Detected
NFDHA ND HI µg/L PFAS Not Detected
NMeFOSAA ND HI µg/L PFAS Not Detected
PFBA ND HI µg/L PFAS Not Detected
PFBS ND HI µg/L PFAS Not Detected
PFDA ND HI µg/L PFAS Not Detected
PFDoA ND HI µg/L PFAS Not Detected
PFEESA ND HI µg/L PFAS Not Detected
PFHpA ND HI µg/L PFAS Not Detected
PFHpS ND HI µg/L PFAS Not Detected
PFHxA ND HI µg/L PFAS Not Detected
PFHxS ND HI µg/L PFAS Not Detected
PFMBA ND HI µg/L PFAS Not Detected
PFMPA ND HI µg/L PFAS Not Detected
PFNA ND HI µg/L PFAS Not Detected
PFOA ND 0.004 µg/L PFAS Not Detected
PFOS ND 0.004 µg/L PFAS Not Detected
PFPeA ND HI µg/L PFAS Not Detected
PFPeS ND HI µg/L PFAS Not Detected
PFTA ND HI µg/L PFAS Not Detected
PFTrDA ND HI µg/L PFAS Not Detected
PFUnA ND HI µg/L PFAS Not Detected
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
Surface Water
Operator
Local Government
Population Served
5,915
Water Systems
1
Water Source

Where Cedar Hill's water comes from

Surface Water

Cedar 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 5,915 people through 1 water system.

Local Hydrology

Water bodies near Cedar Hill

Cedar Hill is located near 1 notable water body. As a surface water system, these water bodies may directly influence the city's drinking water supply.

Red River
river
Infrastructure

Water systems serving Cedar Hill

System Name PWSID Population Source
WEST ROBERTSON WATER AUTHORITY TN0000001 5,915 SW
Regional Comparison

How Cedar Hill compares

Full Tennessee rankings →

Cedar Hill's score of 85.5/100 is above the average of 75/100 among major Tennessee cities. It outscores 7 of 10 nearby cities.

Cedar Hill (this city)
85.5
Memphis
66.2
Tennessee avg
75
City Profile

About Cedar Hill, TN

Wikipedia →

Adams is a city in Robertson County, Tennessee, United States. It is near the Kentucky state line. The population was 624 at the 2020 census.

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Frequently asked questions

Is Cedar Hill, TN tap water safe to drink?

Cedar Hill's water quality earned a grade of A- (85.5/100). The water generally meets EPA standards and is considered safe for consumption. The city ranks #155 out of 299 cities tested in Tennessee.

What contaminants are in Cedar Hill's water?

Lead was measured at 1.0 ppb (90th percentile). No PFAS compounds were detected. 28 violations are on record.

How is Cedar 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 Cedar Hill?

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

Where does Cedar Hill's water come from?

Cedar Hill's water is sourced from Surface water. The city has 1 water system serving approximately 5,915 residents.

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

Cedar Hill has 1 health-based violation on record. The most recent violation was recorded in July 2025. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. 7 violations remain unresolved.

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

Cedar Hill ranks #155 out of 299 cities in Tennessee (better than 48% of state cities) and #5276 out of 15744 cities nationally (67th percentile). The grade of A- reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.