F0/100
Twentynine Palms Tap Water Quality: Is It Safe to Drink? (2026 Report)
Serving 18,795 residents · California
What's In Twentynine Palms's Tap Water?
73
Contaminants Tested
0
Exceed EPA Limits
0
Above EPA Goals
EPA Violation History
No violations in the past 5 years
Full EPA compliance since 1993.
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
TWENTYNINE PALMS WATER DISTRICT
Population Served
18,795
Water Source
Groundwater
System ID
CA3610049
Frequently Asked Questions About Twentynine Palms Water
Is Twentynine Palms tap water safe to drink?
Twentynine Palms, California tap water receives a grade of F (0/100), which is considered failing. 0 contaminant(s) exceed EPA maximum contaminant levels and 70 violation(s) are on record. Residents should consider using an NSF-certified water filter to reduce contaminant exposure.
What contaminants are in Twentynine Palms's water?
73 contaminants were tested in Twentynine Palms's water supply. No contaminants exceed EPA legal limits (MCLs) or health goals (MCLGs), which is a positive indicator of water quality.
Does Twentynine Palms have any water quality violations?
Yes, Twentynine Palms has 70 EPA violation(s) on record, with the most recent in 1993. Violation types include MCL. 70 of these are health-based violations, which are the most serious category.
Do I need a water filter in Twentynine Palms?
Twentynine Palms 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 Twentynine Palms's tap water come from?
Twentynine Palms's drinking water is sourced from groundwater and supplied by TWENTYNINE PALMS WATER DISTRICT. The system serves approximately 18,795 people. Groundwater is pumped from underground aquifers, which often provides natural filtration.
How often is Twentynine Palms'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. Twentynine Palms'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 Twentynine Palms's water compare to other cities in California?
Twentynine Palms's water quality score of 0/100 earns a grade of F, which is considered failing. 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 Twentynine Palms's water quality?
If you have concerns about Twentynine Palms'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 (TWENTYNINE PALMS 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.