WaterQ
South Carolina State Report All States
Official Status: March 2026

Is Mount Pleasant tap water safe to drink?

✓ Generally Safe
A

Mostly yes — Mount Pleasant scores 90/100.

Safety Score
90
out of 100

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Mount Pleasant

South Carolina

View South Carolina state report Data updated: Mar 2026

Is Mount Pleasant tap water safe to drink?

Mostly yes — Mount Pleasant scores 90/100. This report aggregates EPA drinking water data across 1 local system in Mount Pleasant. We found 17 total violations (6 unresolved).

Real-Time Environment

Live: 04:15 PM
0mm Precipitation

☀️ No active precipitation. Rainfall can impact surface water turbidity and pollutant runoff in Mount Pleasant.

Water Quality Impact

✅ Minimal Impact Localized weather conditions may influence test result variability.

🛡️ Home Water Treatment Needs

Should you invest in filtration or softening for your home in Mount Pleasant?

Requirement Status
Optional
🟢
💡

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 Mount Pleasant? See our analysis.

Baby Formula Safety

Is Mount Pleasant tap water safe for infants? Critical safety guide.

Homebuyer's Perspective

For those looking to relocate to Mount Pleasant, 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.

Property Impact: Positive / Stable

Health & Family Safety

Residents should monitor Lead (90th percentile) levels. Pregnant women and families with young children should consult the specific EPA health goals listed below.

View Health Risk Glossary →

Compliance Record for Mount Pleasant

17
Violations (5yr)
6
Unresolved
1
Contaminants Tracked
0
Exceeding EPA Limit

Based on EPA SDWIS violation records and contaminant test results for all water systems serving Mount Pleasant.

Frequently Asked Questions

Is Mount Pleasant tap water safe to drink?

Mostly yes — Mount Pleasant scores 90/100.

How many water systems serve Mount Pleasant?

Mount Pleasant is served by 1 public water system in our latest EPA-backed dataset.

How can I check water quality for my exact address in Mount Pleasant?

Use the WaterQ search tool to look up your ZIP code and view nearby systems, contaminant levels, and recent violations for Mount Pleasant.

What is the water quality score for Mount Pleasant?

The water quality score for Mount Pleasant is 90 out of 100, based on EPA contaminant data, violation history, and testing results across the 1 system serving the city.

What are the top contaminants in Mount Pleasant?

The top contaminants detected in Mount Pleasant include Lead (90th percentile). View detailed information on our contaminants page.

Water Quality Score
90/100
Grade
A
Water Systems
1
Population
91,500

Mount Pleasant Water Quality Summary

Mount Pleasant, SC receives a water quality score of 90/100 (Grade A) based on EPA Safe Drinking Water Information System (SDWIS) compliance data for 1 public water system serving the area.

Mount Pleasant'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.

Mount Pleasant's score of 90 is 1 point above the South Carolina state average of 89, and above the nationwide average of roughly 78/100 across all U.S. states.

As a mid-size city in the Southeast coastal plain of South Carolina, Mount Pleasant relies on a single water system to distribute drinking water to its residents. Those looking to buy a home in the area can take comfort in the outstanding quality of the local supply, which earns top-tier marks for performance. This high standard of cleanliness is a reassuring sign for the community, especially within a region defined by agricultural land and growing urban centers.

Water quality data is sourced from the U.S. EPA SDWIS database and updated quarterly. Learn about our scoring methodology → Read our South Carolina water quality rankings report →

Key Contaminants

Lead (90th percentile)
0.0011 / 0.015 mg/L
0 mg/L MCL: 0.015 mg/L

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Water Systems Serving Mount Pleasant (1)

Related

Compare Mount Pleasant water quality: View all states · Contaminant library · How we score water quality