Oakdale
Is Oakdale tap water safe to drink?
Mostly yes — Oakdale scores 90/100. This report aggregates EPA drinking water data across 2 local systems in Oakdale. We found 22 total violations (11 unresolved).
Real-Time Environment
Live: 08:45 AM☀️ No active precipitation. Rainfall can impact surface water turbidity and pollutant runoff in Oakdale.
Water Quality Impact
🛡️ Home Water Treatment Needs
Should you invest in filtration or softening for your home in Oakdale?
Expert Advice
Your water quality is excellent. Standard filtration is optional but can further enhance taste.
Buying a Filter?
Filter or no filter for Oakdale water? Here's what the data says.
Baby Formula Safety
What new parents in Oakdale should know about tap water safety.
Homebuyer's Perspective
Water quality is easy to overlook when evaluating a move to Oakdale, but it can affect plumbing longevity and appliance lifespan. 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 Oakdale a preferred choice for health-conscious families.
View Health Risk Glossary →Compliance Record for Oakdale
Based on EPA SDWIS violation records and contaminant test results for all water systems serving Oakdale.
Frequently Asked Questions
Is Oakdale tap water safe to drink?
Mostly yes — Oakdale scores 90/100.
How many water systems serve Oakdale?
Oakdale is served by 2 public water systems in our latest EPA-backed dataset.
How can I check water quality for my exact address in Oakdale?
Use the WaterQ search tool to look up your ZIP code and view nearby systems, contaminant levels, and recent violations for Oakdale.
What is the water quality score for Oakdale?
The water quality score for Oakdale is 90 out of 100, based on EPA contaminant data, violation history, and testing results across the 2 systems serving the city.
What are the top contaminants in Oakdale?
Current contaminant data for Oakdale is being updated. Check back soon or search your specific address for the latest results.
Oakdale Water Quality Summary
Oakdale, CA 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.
Oakdale'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.
Oakdale's score of 90 is 1 point 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 →
Top Lab-Tested Water Filters for Oakdale
Certified solutions rigorously tested against EPA drinking water standards, lead, and PFAS.
APEC Water Systems ROES-50 5-Stage Reverse Osmosis System
Removes up to 99% of 1,000+ contaminants including Lead, Chlorine, PFAS, Fluoride, Arsenic, and TDS.
Waterdrop G3P800 Tankless Reverse Osmosis System
800 GPD high capacity, 3:1 pure-to-drain ratio, smart LED faucet displaying real-time TDS and filter life.
Aquasana 3-Stage Under Sink Water Filter System (AQ-5300+)
Reduces 77 contaminants including 99.6% of Lead and PFOA/PFOS while retaining healthy minerals (calcium, magnesium).
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Water Systems Serving Oakdale (2)
Check Your Specific Address
Water quality can vary by neighborhood in Oakdale.
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