A95/100
Quartz Hill Tap Water Quality: Is It Safe to Drink? (2026 Report)
Serving 24,607 residents · California
What's In Quartz Hill's Tap Water?
69
Contaminants Tested
0
Exceed EPA Limits
1
Above EPA Goals
1 contaminant above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
chlorate | 220.00 µg/L | — | Above Goal |
EPA Violation History
No violations in the past 5 years
Full EPA compliance since 1999.
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
PALM RANCH IRRIGATION DIST.
Population Served
5,507
Water Source
Purchased Surface Water
System ID
CA1910103
QUARTZ HILL WATER DIST.
Population Served
19,100
Water Source
Purchased Surface Water
System ID
CA1910130
Frequently Asked Questions About Quartz Hill Water
Is Quartz Hill tap water safe to drink?
Quartz Hill, California tap water receives a grade of A (95/100), which is considered excellent. Out of 69 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 Quartz Hill's water?
Of the 69 contaminants tested in Quartz Hill's water supply, the most notable include chlorate. 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 Quartz Hill have any water quality violations?
Yes, Quartz Hill has 2 EPA violation(s) on record, with the most recent in 1999. Violation types include Other, MCL. 1 of these are health-based violations, which are the most serious category.
Do I need a water filter in Quartz Hill?
Quartz Hill 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 Quartz Hill's tap water come from?
Quartz Hill's drinking water is sourced from purchased surface water and supplied by PALM RANCH IRRIGATION DIST. and 1 other water system(s). The system serves approximately 24,607 people. Surface water sources include rivers, lakes, and reservoirs.
How often is Quartz Hill'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. Quartz Hill'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 Quartz Hill's water compare to other cities in California?
Quartz Hill's water quality score of 95/100 earns a grade of A, which is considered excellent. This places Quartz Hill among the better-performing water systems in California. Visit our California state page to see how all cities in the state compare.
What should I do if I'm concerned about Quartz Hill's water quality?
If you have concerns about Quartz Hill'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 (PALM RANCH IRRIGATION DIST.) 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.