WaterQ
California State Report All States
Official Status: March 2026

Is Rancho Cordova tap water safe to drink?

✓ Generally Safe
A

Mostly yes — Rancho Cordova scores 98/100.

Safety Score
98
out of 100

Still not sure if you need a filter in Rancho Cordova?

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Rancho Cordova

California

View California state report Data updated: Mar 2026

Is Rancho Cordova tap water safe to drink?

Mostly yes — Rancho Cordova scores 98/100. This report aggregates EPA drinking water data across 7 local systems in Rancho Cordova. We found 75 total violations (5 unresolved).

Real-Time Environment

Live: 06:30 PM
0mm Precipitation

☀️ No active precipitation. Rainfall can impact surface water turbidity and pollutant runoff in Rancho Cordova.

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 Rancho Cordova?

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 Rancho Cordova? See our analysis.

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Baby Formula Safety

Is Rancho Cordova tap water safe for infants? Critical safety guide.

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Homebuyer's Perspective

For those looking to relocate to Rancho Cordova, water quality is a key factor in long-term property maintenance. The high safety score (98/100) 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 Rancho Cordova

75
Violations (5yr)
5
Unresolved
1
Contaminants Tracked
0
Exceeding EPA Limit

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

Frequently Asked Questions

Is Rancho Cordova tap water safe to drink?

Mostly yes — Rancho Cordova scores 98/100.

How many water systems serve Rancho Cordova?

Rancho Cordova is served by 7 public water systems in our latest EPA-backed dataset.

How can I check water quality for my exact address in Rancho Cordova?

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

What is the water quality score for Rancho Cordova?

The water quality score for Rancho Cordova is 98 out of 100, based on EPA contaminant data, violation history, and testing results across the 7 systems serving the city.

What are the top contaminants in Rancho Cordova?

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

Water Quality Score
98/100
Grade
A
Water Systems
7
Population
132,854

Rancho Cordova Water Quality Summary

Rancho Cordova, CA receives a water quality score of 98/100 (Grade A) based on EPA Safe Drinking Water Information System (SDWIS) compliance data for 7 public water systems serving the area.

Rancho Cordova'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.

Rancho Cordova's score of 98 is 9 points above the California state average of 89, and above the nationwide average of roughly 78/100 across all U.S. states.

For families and prospective homebuyers looking at this mid-size California city, the local tap water is managed across several distinct distribution networks that interface with the region's varied geology. Because Rancho Cordova sits near the intersection of major West Coast urban centers and the agricultural lands of the Central Valley, local water providers must evaluate complex environmental influences to maintain safety. Fortunately, the city's exemplary overall performance profile indicates that these systems are highly successful at delivering clean, reliable water to residents.

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

Lead (90th percentile)
0.0089 / 0.015 mg/L
0 mg/L MCL: 0.015 mg/L

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Water Systems Serving Rancho Cordova (7)

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Related

Compare Rancho Cordova water quality: View all states · Contaminant library · How we score water quality