WaterVerge

Is Estill Springs, TN Tap Water Safe to Drink?

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

11K residents served 2 water systems PWSID: TN0000101
Overall Score
78.3 / 100
Violations
8 active
Last Updated
May 2026
Source
Ground water under influence
#231 of 299 in Tennessee Top 55% nationally
Local Government
High data confidence
Reviewed by WaterVerge Editorial Team · Last updated May 2026
BGRADE
Water Quality Grade
78.3/100
waterverge.com
B 78.3/100

Estill Springs, TN — Water Quality Report

Estill Springs's drinking water received a grade of B (78.3 out of 100), indicating good water quality. The city's 2 water systems serve approximately 11,233 residents using ground water under influence.

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 75 violations on record, including 66 health-based violations. 8 remain unresolved.

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

What to know about Estill Springs's water

Estill Springs ranks #231 out of 299 cities in Tennessee for water quality, placing it among the lowest-rated in the state.

Estill Springs relies on groundwater, which is generally less vulnerable to surface contamination but can be affected by naturally occurring minerals like arsenic and nitrate, as well as agricultural and industrial runoff.

Hexavalent chromium (chromium-6) was detected at 0.26 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 →
78.3 out of 100 Grade B
A: 90-100
B: 74-89
C: 60-73
F: <50
How is this calculated?
Violations
30.8/45
C
Historical violation record including health-based and monitoring violations.
Lead & Copper
16/20
B
Lead at 1.0 ppb (90th percentile).
Contaminants
20/20
A
No PFAS compounds detected.
Compliance
8/10
B
Monitoring and reporting compliance with EPA regulations.
Source Risk
3.5/5
C
Water source: Ground water under influence.
Water Safety

Is Estill Springs, TN water safe to drink?

Concerns Identified

Estill Springs's drinking water has significant quality concerns based on EPA testing data. With a grade of B (78.3/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 2 water systems serve approximately 11,233 residents using groundwater (wells).

8
Active Violations
1.0 ppb
Lead (90th %ile)
None
PFAS Detected
3 events
Disaster History

Recent water quality updates for Estill Springs

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

Update
Water quality data updated

Latest EPA compliance and testing data incorporated into Estill Springs's water quality assessment. Grade: B (78.3/100).

Violation
1 drinking water violation recorded

Contaminants: Consumer Confidence Rule.

Violation
1 drinking water violation recorded

Contaminants: Interim Enhanced Surface Water Treatment Rule.

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.

Disaster
SEVERE STORMS & FLOODING

Federal disaster declaration (FEMA DR-889). Flood event — may have impacted local water infrastructure.

Key contaminant findings

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

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

Well within EPA limits.

Copper Exceeds Limit
Detected: 1.60 mg/L Limit: 1.3 mg/L (EPA Action Level)

Exceeds EPA action level. Copper can leach from household plumbing — flush taps for 30 seconds before drinking.

Violation history

Estill Springs's water system has 75 total violations on record, including 66 health-based violations. 8 remain unresolved. 3 violations were issued in the last 5 years.

OtherTTMR
Most recent violations:
Jul 2023 Consumer Confidence Rule Open
May 2021 Interim Enhanced Surface Water Treatment Rule Open
Feb 2021 Interim Enhanced Surface Water Treatment Rule Open
Mar 2020 Interim Enhanced Surface Water Treatment Rule Open
Dec 2018 Interim Enhanced Surface Water Treatment Rule Open

Flood & environmental risk

Franklin 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 Bradley Creek Nr Prairie Plains, Sinking Pond.

HURRICANE KATRINA EVACUATION
Hurricane FEMA DR-3217
SEVERE STORMS & FLOODING
Flood FEMA DR-889
HEAVY RAINS & FLOODING
Flood FEMA DR-366

Where does Estill Springs's water come from?

Estill Springs's drinking water comes from groundwater (wells), supplied by 2 water systems serving approximately 11,233 people. Groundwater is generally less susceptible to surface contamination but can contain naturally occurring contaminants like arsenic, radon, and nitrate. Nearby water bodies include Bradley Creek Nr Prairie Plains (river), Sinking Pond (river).

What Estill Springs residents can do

Install a water filter

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

Estill Springs'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
Copper (90th percentile)
Inorganic
Over Limit
1.60 mg/L
EPA Action Level: 1.3 mg/L · +20% over limit
Exceeds Limit
Chromium-6 (Hexavalent Chromium)
Inorganic
Detected
0.26 µg/L
CA MCL (no federal MCL): 10 µg/L · 3% of limit
DetectedUCMR 3 Data
Strontium
Inorganic
Detected
38.0 µg/L
EPA Health Ref Level: 1,500 µg/L · 3% of limit
DetectedUCMR 3 Data
PFAS Testing

Forever chemicals overview

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

Violation summary

75
Total violations
66
Health-based
8
Active / unresolved
Jul 2023
Most recent violation
Compliance Record

Violations & advisories

75 Total
8 Active
66 Health-based
67 Resolved
Violations by category
Surface Water Treatment Rule
66
Interim and Long Term 1 Enhanced Surface Water Treatment Rule
5
Consumer Confidence Rule
1
Volatile Organic Chemicals
1
Jul 2023 Active
Consumer Confidence Rule
Other Violation 0
May 2021 Active
Interim Enhanced Surface Water Treatment Rule
Other Violation 0
Feb 2021 Active
Interim Enhanced Surface Water Treatment Rule
Other Violation 0
Mar 2020 Active
Interim Enhanced Surface Water Treatment Rule
Other Violation 0
Dec 2018 Active
Interim Enhanced Surface Water Treatment Rule
Other Violation 0
Jul 2011 Active
Interim Enhanced Surface Water Treatment Rule
Other Violation 0
Active
Compliance Violation
Monitoring 0
Active
Compliance Violation
Monitoring 0
May 2000 Resolved
Surface Water Treatment Rule
Treatment Technique
Health-Based Health Resolved May 2000
Apr 2000 Resolved
Surface Water Treatment Rule
Treatment Technique
Health-Based Health Resolved Apr 2000
Mar 2000 Resolved
Surface Water Treatment Rule
Treatment Technique
Health-Based Health Resolved Mar 2000
Feb 2000 Resolved
Surface Water Treatment Rule
Treatment Technique
Health-Based Health Resolved Feb 2000
Jan 2000 Resolved
Surface Water Treatment Rule
Treatment Technique
Health-Based Health Resolved Jan 2000
Dec 1999 Resolved
Surface Water Treatment Rule
Treatment Technique
Health-Based Health Resolved Dec 1999
Nov 1999 Resolved
Surface Water Treatment Rule
Treatment Technique
Health-Based Health Resolved Nov 1999
Oct 1999 Resolved
Surface Water Treatment Rule
Treatment Technique
Health-Based Health Resolved Oct 1999
Sep 1999 Resolved
Surface Water Treatment Rule
Treatment Technique
Health-Based Health Resolved Sep 1999
Aug 1999 Resolved
Surface Water Treatment Rule
Treatment Technique
Health-Based Health Resolved Aug 1999
Jul 1999 Resolved
Surface Water Treatment Rule
Treatment Technique
Health-Based Health Resolved Jul 1999
Jun 1999 Resolved
Surface Water Treatment Rule
Treatment Technique
Health-Based Health Resolved Jun 1999
Showing 20 of 75 violations
Industrial pollution

Top industrial polluters within 10 miles of Estill Springs

Industrial polluters nearby

Reported releases to surface water by facilities near Estill Springs, ranked by pounds discharged annually.

FacilityTop chemicalTo surface water (lbs/yr)Distance
NISSAN N.A. INC.
Transportation Equipment · NISSAN NORTH AMERICA INC
DECHERD, TN37324
5.1 mi
TYSON FARMS INC. - ESTILL SPRINGS FEED MILL
Food · TYSON FOODS INC
ESTILL SPRINGS, TN37330
1.2 mi
TEPRO INC
Plastics and Rubber · NA
WINCHESTER, TN37398
5.2 mi
ZANINI TENNESSEE INC.
Plastics and Rubber · ZANINI AUTO GROUP S A
WINCHESTER, TN37398
5.2 mi
CST STORAGE
Fabricated Metals · SOLACE CAPITAL PARTNERS LLC
WINCHESTER, TN37398
5.2 mi

Source: EPA Toxic Release Inventory (TRI) 2023

Environmental Risk

Drought conditions

D2 — severe drought

Franklin 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)
8.6%
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
Sep 2005
Most recent
Flood
Most common type

Franklin 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.

Sep 2005
HURRICANE KATRINA EVACUATION
Hurricane FEMA #3217
Jan 1991
SEVERE STORMS & FLOODING
Flood FEMA #889
Mar 1973
HEAVY RAINS & FLOODING
Flood FEMA #366

Recommended water filters

Based on contaminants detected in Estill Springs's water supply, we recommend the following filter types.

🔧
For Copper
Reverse Osmosis or KDF Filter
Copper exceeds the EPA action level of 1.3 mg/L

Full contaminants report

Contaminant Detected Level EPA Limit Unit Category Status
Lead (90th percentile) 1.0 15 ppb Inorganic Safe
Copper (90th percentile) 1.60 1.3 mg/L Inorganic Over Limit
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 12.0 ppb from 1992 (13.0 ppb) to 2025 (1.0 ppb).

Copper level trend (90th percentile)

EPA action level: 1.3 mg/L
Copper has decreased by 0.900 mg/L from 1993 (2.500 mg/L) to 1994 (1.600 mg/L).
Contaminant Rankings

See how Estill Springs compares by contaminant

Explore where Estill Springs ranks among all Tennessee cities for specific contaminants.

Infrastructure

Water source & infrastructure

Primary Source
Ground Water Under Influence
Operator
Local Government
Population Served
11,233
Water Systems
2
Water Source

Where Estill Springs's water comes from

Ground Water Under Influence

Estill Springs's drinking water is drawn from underground aquifers through wells.

Groundwater is naturally filtered through rock and soil layers, generally requiring less treatment than surface water. However, it can contain naturally occurring contaminants like arsenic, radon, and minerals.

Agricultural activity, septic systems, and industrial operations near well fields can introduce nitrates, pesticides, and volatile organic compounds.

The system is operated by local government ownership and serves approximately 11,233 people through 2 water systems.

Local Hydrology

Water bodies near Estill Springs

Estill Springs is located near 2 notable water bodies. These water bodies contribute to the regional watershed and may indirectly affect groundwater quality.

Bradley Creek Nr Prairie Plains
river
Sinking Pond
river
Infrastructure

Water systems serving Estill Springs

System Name PWSID Population Source
CENTER GROVE-WINCHESTER SPRINGS TN0000101 6,916 GU
ESTILL SPRINGS WATER DEPT TN0000232 4,317 GU
Regional Comparison

How Estill Springs compares

Full Tennessee rankings →

Estill Springs's score of 78.3/100 is on par with the average of 75/100 among major Tennessee cities. It outscores 6 of 10 nearby cities.

Estill Springs (this city)
78.3
Memphis
66.2
Tennessee avg
75
City Profile

About Estill Springs, TN

Wikipedia →

Estill Springs is a town in Franklin County, Tennessee, United States. The population was 2,267 at the 2020 census. But a correction issued in 2024 gave a revised 2020 census population of 2,694. It is usually referred to simply as "Estill" by its inhabitants.

Economic Profile
$53,313
Median Income
$165,309
Median Home Value
$823/mo
Median Rent
8.1%
Unemployment
Community
41
Median Age
184
People / sq mi
17.9%
College Educated
80.7%
Homeownership
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Frequently asked questions

Is Estill Springs, TN tap water safe to drink?

Estill Springs's water quality earned a grade of B (78.3/100). Some concerns have been identified. Consider a water filter for an extra layer of protection. The city ranks #231 out of 299 cities tested in Tennessee.

What contaminants are in Estill Springs's water?

Lead was measured at 1.0 ppb (90th percentile). No PFAS compounds were detected. 75 violations are on record.

How is Estill Springs'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 Estill Springs?

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

Where does Estill Springs's water come from?

Estill Springs's water is sourced from Ground water under influence. The city has 2 water systems serving approximately 11,233 residents.

What health violations has Estill Springs's water system had?

Estill Springs has 66 health-based violations on record. The most recent violation was recorded in July 2023. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. 8 violations remain unresolved.

Is Estill Springs's groundwater at risk of contamination?

Estill Springs 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 75 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 Estill Springs's water compare to other cities?

Estill Springs ranks #231 out of 299 cities in Tennessee (better than 23% of state cities) and #8711 out of 15744 cities nationally (45th percentile). The grade of B reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.