F0/100
Calisle Tap Water Quality: Is It Safe to Drink? (2026 Report)
Serving 4,089 residents · Kentucky
What's In Calisle's Tap Water?
31
Contaminants Tested
0
Exceed EPA Limits
1
Above EPA Goals
1 contaminant above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Lead (90th percentile) | 0.004 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
1
Violation (last 5yr)
0
Unresolved
0
Health-Related
TIER 3Resolved
Monitoring Violation
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: July 1, 2022 – July 31, 2022Rule: Total Coliform 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
NICHOLAS CO WATER DISTRICT
Population Served
4,089
Water Source
Purchased Surface Water
System ID
KY0910314
Frequently Asked Questions About Calisle Water
Is Calisle tap water safe to drink?
Calisle, Kentucky tap water receives a grade of F (0/100), which is considered failing. 0 contaminant(s) exceed EPA maximum contaminant levels and 58 violation(s) are on record. Residents should consider using an NSF-certified water filter to reduce contaminant exposure.
What contaminants are in Calisle's water?
Of the 31 contaminants tested in Calisle'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 Calisle have any water quality violations?
Yes, Calisle has 58 EPA violation(s) on record, with the most recent in 2022. Violation types include MON, MR, MCL. 17 of these are health-based violations, which are the most serious category.
Do I need a water filter in Calisle?
Calisle 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 Calisle's tap water come from?
Calisle's drinking water is sourced from purchased surface water and supplied by NICHOLAS CO WATER DISTRICT. The system serves approximately 4,089 people. Surface water sources include rivers, lakes, and reservoirs.
How often is Calisle'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. Calisle'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 Calisle's water compare to other cities in Kentucky?
Calisle'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 Kentucky state page to see how all cities in the state compare.
What should I do if I'm concerned about Calisle's water quality?
If you have concerns about Calisle'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 (NICHOLAS CO WATER DISTRICT) 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.