Grand Terrace
Is Grand Terrace tap water safe to drink?
Mostly yes — Grand Terrace scores 92/100. This report aggregates EPA drinking water data across 1 local system in Grand Terrace. We found 6 total violations (4 unresolved).
Real-Time Environment
Live: 03:30 AM☀️ No active precipitation. Rainfall can impact surface water turbidity and pollutant runoff in Grand Terrace.
Water Quality Impact
🛡️ Home Water Treatment Needs
Should you invest in filtration or softening for your home in Grand Terrace?
Expert Advice
Your water quality is excellent. Standard filtration is optional but can further enhance taste.
Buying a Filter?
Filtration technologies matched to Grand Terrace contaminant records.
Baby Formula Safety
Guidance on preparing infant formula using municipal tap water in Grand Terrace.
Homebuyer's Perspective
Municipal water quality in Grand Terrace directly influences pipe corrosion rates and home filtration needs. The high safety score (92/100) suggests lower risk for plumbing corrosion and appliance scaling.
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 Grand Terrace
Based on EPA SDWIS violation records and contaminant test results for all water systems serving Grand Terrace.
Frequently Asked Questions
Is Grand Terrace tap water safe to drink?
Mostly yes — Grand Terrace scores 92/100.
How many water systems serve Grand Terrace?
Grand Terrace is served by 1 public water system in our latest EPA-backed dataset.
How can I check water quality for my exact address in Grand Terrace?
Use the WaterQ search tool to look up your ZIP code and view nearby systems, contaminant levels, and recent violations for Grand Terrace.
What is the water quality score for Grand Terrace?
The water quality score for Grand Terrace is 92 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 Grand Terrace?
The top contaminants detected in Grand Terrace include Lead (90th percentile). View detailed information on our contaminants page.
Grand Terrace Water Quality Summary
Grand Terrace, CA receives a water quality score of 92/100 (Grade A) based on EPA Safe Drinking Water Information System (SDWIS) compliance data for 1 public water system serving the area.
Grand Terrace'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.
Grand Terrace's score of 92 is 3 points above the California state average of 89, and above the nationwide average of roughly 78/100 across all U.S. states.
Water quality data is sourced from the U.S. EPA SDWIS database and updated quarterly. Learn about our scoring methodology → Read our California water quality rankings report →
Key Contaminants
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Water Systems Serving Grand Terrace (1)
Check Your Specific Address
Water quality can vary by neighborhood in Grand Terrace.
Related
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Compare Grand Terrace water quality: View all states · Contaminant library · How we score water quality