Johns Island
Is Johns Island tap water safe to drink?
Mostly yes — Johns Island scores 90/100. This report aggregates EPA drinking water data across 0 local systems in Johns Island. We found 0 total violations (0 unresolved).
Real-Time Environment
Live: 07:45 PM☀️ No active precipitation. Rainfall can impact surface water turbidity and pollutant runoff in Johns Island.
Water Quality Impact
🛡️ Home Water Treatment Needs
Should you invest in filtration or softening for your home in Johns Island?
Expert Advice
Your water quality is excellent. Standard filtration is optional but can further enhance taste.
Buying a Filter?
Should you buy a water purifier in Johns Island? See our analysis.
Baby Formula Safety
Is Johns Island tap water safe for infants? Critical safety guide.
Homebuyer's Perspective
For those looking to relocate to Johns Island, water quality is a key factor in long-term property maintenance. The high safety score (90/100) suggests lower risk for plumbing corrosion and appliance scaling.
Health & Family Safety
Current records show no major contaminant spikes, making Johns Island a preferred choice for health-conscious families.
View Health Risk Glossary →Score Breakdown for Johns Island
*Scores are calculated using weighted EPA monitoring data from the past 5 years.
Frequently Asked Questions
Is Johns Island tap water safe to drink?
Mostly yes — Johns Island scores 90/100.
How many water systems serve Johns Island?
Johns Island is served by 0 public water systems in our latest EPA-backed dataset.
How can I check water quality for my exact address in Johns Island?
Use the WaterQ search tool to look up your ZIP code and view nearby systems, contaminant levels, and recent violations for Johns Island.
What is the water quality score for Johns Island?
The water quality score for Johns Island is N/A out of 100, based on EPA contaminant data, violation history, and testing results for all serving water systems.
What are the top contaminants in Johns Island?
Current contaminant data for Johns Island is being updated. Check back soon or search your specific address for the latest results.
Johns Island Water Quality Summary
Johns Island, SC receives a water quality score of 90/100 (Grade A) based on EPA Safe Drinking Water Information System (SDWIS) compliance data for 2 public water systems serving the area.
Johns Island's water quality is above the national average, with strong compliance records and low contaminant levels. Residents generally receive clean, safe tap water that meets EPA standards.
Water quality data is sourced from the U.S. EPA SDWIS database and updated quarterly. Learn about our scoring methodology →
Water Systems Serving Johns Island (0)
Water system data coming soon for Johns Island.
Check Your Specific Address
Water quality can vary by neighborhood in Johns Island.
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Quick compare in South Carolina
Compare Johns Island water quality: View all states · Contaminant library · How we score water quality