A
90

Excellent Water Quality

Hopkinsville, KY 42240

Christian County · Population served: 58,598 · Data updated March 2026

Water Systems Serving This Area

🏔
HOPKINSVILLE WATER ENVIRONMENT AUTHORITY
Surface water · Pop. 41,350
PWSID: KY0240201
🏔
CHRISTIAN CO WATER DISTRICT
Surface water · Pop. 17,248
PWSID: KY0240521

PFAS / Forever Chemicals

3 detected All below limits
CompoundLevelEPA MCLHealth GuidelineStatus
6:2 FTS23.0 pptNo standardUnregulated
PFHxA5.5 pptNo standard400 pptUnregulated
PFPeA4.9 pptNo standardUnregulated

Violation History (Last 5 Years)

4Total (5yr)
0Health-Based
0Major

Water Quality Summary

Understanding Your Water in Hopkinsville

Tap water quality in Hopkinsville, Kentucky (42240) receives an overall grade of A (Excellent) with a score of 90 out of 100, based on analysis of EPA compliance data, contaminant testing, and violation history. This is 6 points above the Kentucky state average of 84. Compared to the national average (75), this area performs significantly better. The area is served by 2 water systems providing water to approximately 58,598 people, using surface water sources. PFAS testing detected 3 compounds, all currently below EPA limits.

Your Score 90/100 A
vs State 6 pts above Kentucky avg (84)
vs National 15 pts above national avg (75)

What a Grade A Means

A score of 90/100 means the water supply in Hopkinsville, KY meets or exceeds all EPA standards with minimal issues. Contaminant levels are well within safe limits, and the water system has maintained a strong compliance record. While no water supply is guaranteed perfect at the tap due to household plumbing, this is among the best-scoring areas in the country.

Surface water: sourced from rivers, lakes, or reservoirs

Common Questions

Frequently Asked Questions

Based on EPA data, tap water in Hopkinsville, Kentucky receives a grade of A (Excellent) with a score of 90/100. This indicates the water meets federal standards and has relatively few concerns. However, individual homes may still have localized issues such as lead from old plumbing.

ZIP code 42240 is served by 2 water systems using surface water sources, providing water to approximately 58,598 people. Surface water systems are more susceptible to contamination from agricultural runoff, industrial discharge, and weather events, but typically undergo more extensive treatment including filtration and disinfection.

No lead data is currently available for ZIP code 42240. This may mean lead testing results haven't been reported recently, or the serving water system uses monitoring waivers. You can request a free lead test kit from most water utilities or purchase a certified home testing kit.

3 PFAS compounds were detected in water serving Hopkinsville, Kentucky, but all are currently below EPA limits. While levels are within regulatory standards, some health organizations recommend minimizing any PFAS exposure. Activated carbon or reverse osmosis filters can reduce PFAS levels.

Water systems serving Hopkinsville, Kentucky have received 4 violations in the last 5 years. Violations can range from paperwork issues (monitoring & reporting) to serious health-based violations where contaminant levels exceeded safe limits. Review the violation details above for specifics.

Based on detected contaminants (PFAS), residents in Hopkinsville, Kentucky should consider: Reverse osmosis (RO) system — most effective for PFAS, lead, and other contaminants. Always look for filters with NSF/ANSI certification for the specific contaminants you want to remove.

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