D31/100
Nortonville Tap Water Quality: Is It Safe to Drink? (2026 Report)
Serving 2,611 residents · Kentucky
What's In Nortonville's Tap Water?
1
Contaminants Tested
0
Exceed EPA Limits
1
Above EPA Goals
1 contaminant above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Lead (90th percentile) | 0.002 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
No violations in the past 5 years
Full EPA compliance since 2017.
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
NORTONVILLE WATER WORKS
Population Served
2,611
Water Source
Groundwater
System ID
KY0540328
Frequently Asked Questions About Nortonville Water
Is Nortonville tap water safe to drink?
Nortonville, Kentucky tap water receives a grade of D (31/100), which is considered poor. 0 contaminant(s) exceed EPA maximum contaminant levels and 62 violation(s) are on record. Residents should consider using an NSF-certified water filter to reduce contaminant exposure.
What contaminants are in Nortonville's water?
Of the 1 contaminants tested in Nortonville's water supply, the most notable include Lead (90th percentile). No contaminants exceed EPA legal limits. 1 contaminant(s) exceed EPA health goals (MCLGs), which are non-enforceable targets set at levels with no known health risk.
Does Nortonville have any water quality violations?
Yes, Nortonville has 62 EPA violation(s) on record, with the most recent in 2017. Violation types include Other, MR, MCL. 1 of these are health-based violations, which are the most serious category.
Do I need a water filter in Nortonville?
Nortonville water meets EPA standards, so a filter is not strictly necessary. However, some residents prefer the added security of a water filter. EPA health goals (MCLGs) are stricter than legal limits and are set at levels with zero expected health risk. 1 contaminant(s) exceed these stricter goals.
Where does Nortonville's tap water come from?
Nortonville's drinking water is sourced from groundwater and supplied by NORTONVILLE WATER WORKS. The system serves approximately 2,611 people. Groundwater is pumped from underground aquifers, which often provides natural filtration.
How often is Nortonville'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. Nortonville'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 Nortonville's water compare to other cities in Kentucky?
Nortonville's water quality score of 31/100 earns a grade of D, which is considered poor. This is a concerning score that suggests significant water quality issues. Visit our Kentucky state page to see how all cities in the state compare.
What should I do if I'm concerned about Nortonville's water quality?
If you have concerns about Nortonville'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 (NORTONVILLE WATER WORKS) 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.