D21/100
Santa Nella Tap Water Quality: Is It Safe to Drink? (2026 Report)
Serving 2,211 residents · California
What's In Santa Nella's Tap Water?
1
Contaminants Tested
0
Exceed EPA Limits
0
Above EPA Goals
EPA Violation History
No violations in the past 5 years
Full EPA compliance since 2014.
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
SANTA NELLA COUNTY WATER DISTRICT
Population Served
2,211
Water Source
Surface Water
System ID
CA2410018
Frequently Asked Questions About Santa Nella Water
Is Santa Nella tap water safe to drink?
Santa Nella, California tap water receives a grade of D (21/100), which is considered poor. 0 contaminant(s) exceed EPA maximum contaminant levels and 19 violation(s) are on record. Residents should consider using an NSF-certified water filter to reduce contaminant exposure.
What contaminants are in Santa Nella's water?
1 contaminants were tested in Santa Nella's water supply. No contaminants exceed EPA legal limits (MCLs) or health goals (MCLGs), which is a positive indicator of water quality.
Does Santa Nella have any water quality violations?
Yes, Santa Nella has 19 EPA violation(s) on record, with the most recent in 2014. Violation types include MCL, TT, MR. 15 of these are health-based violations, which are the most serious category.
Do I need a water filter in Santa Nella?
Santa Nella 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. All contaminants are within health goals.
Where does Santa Nella's tap water come from?
Santa Nella's drinking water is sourced from surface water and supplied by SANTA NELLA COUNTY WATER DISTRICT. The system serves approximately 2,211 people. Surface water sources include rivers, lakes, and reservoirs.
How often is Santa Nella'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. Santa Nella'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 Santa Nella's water compare to other cities in California?
Santa Nella's water quality score of 21/100 earns a grade of D, which is considered poor. This is a concerning score that suggests significant water quality issues. Visit our California state page to see how all cities in the state compare.
What should I do if I'm concerned about Santa Nella's water quality?
If you have concerns about Santa Nella'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 (SANTA NELLA COUNTY 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.