B60/100
Turlock Tap Water Quality: Is It Safe to Drink? (2026 Report)
Serving 72,682 residents · California
What's In Turlock's Tap Water?
70
Contaminants Tested
0
Exceed EPA Limits
1
Above EPA Goals
1 contaminant above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
vanadium | 37.00 µg/L | — | Above Goal |
EPA Violation History
No violations in the past 5 years
Full EPA compliance since 2017.
Understanding violation severity
Tier 1Urgent health risk. Utility must notify all customers within 24 hours.Tier 2Important health or treatment issue. Customers notified within 30 days.Tier 3Administrative or monitoring issue. Reported in the annual water quality report.
Source: EPA Safe Drinking Water Information System (SDWIS) · Updated quarterly
Water Utility Details
TURLOCK, CITY OF
Population Served
72,682
Water Source
Purchased Surface Water
System ID
CA5010019
Frequently Asked Questions About Turlock Water
Is Turlock tap water safe to drink?
Turlock, California tap water receives a grade of B (60/100), which is considered good. Out of 70 contaminants tested, none exceed EPA maximum contaminant levels (MCLs) and 1 exceed health guidelines (MCLGs). While the water meets federal standards, some residents may still choose to use a filter for additional peace of mind.
What contaminants are in Turlock's water?
Of the 70 contaminants tested in Turlock's water supply, the most notable include vanadium. No contaminants exceed EPA legal limits. 1 contaminant(s) exceed EPA health goals (MCLGs), which are non-enforceable targets set at levels with no known health risk.
Does Turlock have any water quality violations?
Yes, Turlock has 9 EPA violation(s) on record, with the most recent in 2017. Violation types include MCL, MR. 7 of these are health-based violations, which are the most serious category.
Do I need a water filter in Turlock?
Turlock water meets EPA standards, so a filter is not strictly necessary. However, some residents prefer the added security of a water filter. EPA health goals (MCLGs) are stricter than legal limits and are set at levels with zero expected health risk. 1 contaminant(s) exceed these stricter goals.
Where does Turlock's tap water come from?
Turlock's drinking water is sourced from purchased surface water and supplied by TURLOCK, CITY OF. The system serves approximately 72,682 people. Surface water sources include rivers, lakes, and reservoirs.
How often is Turlock's water tested?
Under the Safe Drinking Water Act (SDWA), water utilities are required to regularly test for over 90 contaminants. Testing frequency varies by contaminant — some are tested monthly, others quarterly or annually. Turlock's water systems must report results to the EPA and publish an annual Consumer Confidence Report (CCR). The data on this page reflects the latest available EPA testing data.
How does Turlock's water compare to other cities in California?
Turlock's water quality score of 60/100 earns a grade of B, which is considered good. This is an above-average score compared to many cities nationwide. Visit our California state page to see how all cities in the state compare.
What should I do if I'm concerned about Turlock's water quality?
If you have concerns about Turlock's tap water, consider these steps: (1) Request your utility's annual Consumer Confidence Report for detailed local data. (2) Get your water independently tested through a state-certified laboratory. (3) Consider an NSF-certified water filter rated for the contaminants found in your area. (4) Contact your water utility (TURLOCK, CITY OF) with specific questions. (5) Report water quality issues to your state drinking water program or the EPA Safe Drinking Water Hotline at 800-426-4791.