B75/100
Elk Grove Tap Water Quality: Is It Safe to Drink? (2026 Report)
Serving 43,813 residents · California
What's In Elk Grove's Tap Water?
66
Contaminants Tested
0
Exceed EPA Limits
1
Above EPA Goals
1 contaminant above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
vanadium | 29.00 µg/L | — | Above Goal |
EPA Violation History
No violations in the past 5 years
Full EPA compliance since 2008.
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
ELK GROVE WATER DISTRICT
Population Served
43,813
Water Source
Groundwater
System ID
CA3410008
Frequently Asked Questions About Elk Grove Water
Is Elk Grove tap water safe to drink?
Elk Grove, California tap water receives a grade of B (75/100), which is considered good. Out of 66 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 Elk Grove's water?
Of the 66 contaminants tested in Elk Grove'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 Elk Grove have any water quality violations?
Yes, Elk Grove has 6 EPA violation(s) on record, with the most recent in 2008. Violation types include MCL, MR, Other. 4 of these are health-based violations, which are the most serious category.
Do I need a water filter in Elk Grove?
Elk Grove 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 Elk Grove's tap water come from?
Elk Grove's drinking water is sourced from groundwater and supplied by ELK GROVE WATER DISTRICT. The system serves approximately 43,813 people. Groundwater is pumped from underground aquifers, which often provides natural filtration.
How often is Elk Grove'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. Elk Grove'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 Elk Grove's water compare to other cities in California?
Elk Grove's water quality score of 75/100 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 Elk Grove's water quality?
If you have concerns about Elk Grove'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 (ELK GROVE WATER DISTRICT) 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.