F0/100
Estill Springs Tap Water Quality: Is It Safe to Drink? (2026 Report)
Serving 11,233 residents · Tennessee
What's In Estill Springs's Tap Water?
51
Contaminants Tested
0
Exceed EPA Limits
1
Above EPA Goals
1 contaminant above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Lead (90th percentile) | 0.001 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
2
Violations (last 5yr)
0
Unresolved
0
Health-Related
TIER 3Resolved
Surface water treatment technique failure
When: July 1, 2023 – July 1, 2024Enforcement: Resolving — corrective action underway
TIER 3Resolved
Violation related to Nitrate
When: May 1, 2021 – June 30, 2024Rule: Surface Water Treatment RuleEnforcement: Resolving — corrective action underway
Understanding violation severity
Tier 1Urgent health risk. Utility must notify all customers within 24 hours.Tier 2Important health or treatment issue. Customers notified within 30 days.Tier 3Administrative or monitoring issue. Reported in the annual water quality report.
Source: EPA Safe Drinking Water Information System (SDWIS) · Updated quarterly
Water Utility Details
CENTER GROVE-WINCHESTER SPRINGS
Population Served
6,916
Water Source
Groundwater Under Influence of Surface Water
System ID
TN0000101
ESTILL SPRINGS WATER DEPT
Population Served
4,317
Water Source
Groundwater Under Influence of Surface Water
System ID
TN0000232
Frequently Asked Questions About Estill Springs Water
Is Estill Springs tap water safe to drink?
Estill Springs, Tennessee tap water receives a grade of F (0/100), which is considered failing. 1 contaminant(s) exceed EPA maximum contaminant levels and 73 violation(s) are on record. Residents should consider using an NSF-certified water filter to reduce contaminant exposure.
What contaminants are in Estill Springs's water?
Of the 52 contaminants tested in Estill Springs's water supply, the most notable include Copper (90th percentile), Lead (90th percentile). 1 contaminant(s) exceed EPA legal limits (MCLs). 2 contaminant(s) exceed EPA health goals (MCLGs), which are non-enforceable targets set at levels with no known health risk.
Does Estill Springs have any water quality violations?
Yes, Estill Springs has 73 EPA violation(s) on record, with the most recent in 2023. Violation types include Other, TT, MR. 66 of these are health-based violations, which are the most serious category.
Do I need a water filter in Estill Springs?
Based on EPA data, using a water filter in Estill Springs is recommended. 1 contaminant(s) exceed legal limits. An NSF-certified filter — such as a reverse osmosis or activated carbon system — can effectively reduce many common contaminants. Choose a filter certified to remove the specific contaminants found in your area.
Where does Estill Springs's tap water come from?
Estill Springs's drinking water is sourced from groundwater under influence of surface water and supplied by CENTER GROVE-WINCHESTER SPRINGS and 1 other water system(s). The system serves approximately 11,233 people. Surface water sources include rivers, lakes, and reservoirs.
How often is Estill Springs's water tested?
Under the Safe Drinking Water Act (SDWA), water utilities are required to regularly test for over 90 contaminants. Testing frequency varies by contaminant — some are tested monthly, others quarterly or annually. Estill Springs's water systems must report results to the EPA and publish an annual Consumer Confidence Report (CCR). The data on this page reflects the latest available EPA testing data.
How does Estill Springs's water compare to other cities in Tennessee?
Estill Springs's water quality score of 0/100 earns a grade of F, which is considered failing. This is a concerning score that suggests significant water quality issues. Visit our Tennessee state page to see how all cities in the state compare.
What should I do if I'm concerned about Estill Springs's water quality?
If you have concerns about Estill Springs's tap water, consider these steps: (1) Request your utility's annual Consumer Confidence Report for detailed local data. (2) Get your water independently tested through a state-certified laboratory. (3) Consider an NSF-certified water filter rated for the contaminants found in your area. (4) Contact your water utility (CENTER GROVE-WINCHESTER SPRINGS) with specific questions. (5) Report water quality issues to your state drinking water program or the EPA Safe Drinking Water Hotline at 800-426-4791.