D32/100
Morongo — Water Quality Report 2026
Serving 16,000 people · California
Water Source
Groundwater
County
—
System ID
090600142
Violations
30
Contaminant Test Results
2 contaminants above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
1,4-dioxane | 0.780 µg/L | — | Above Goal |
Lead (90th percentile) | 0.002 mg/L | 0.015 mg/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
Frequently Asked Questions About Morongo
Is Morongo water safe to drink?
Morongo water receives a grade of D (32/100), which is considered poor. 0 contaminant(s) exceed EPA legal limits and 30 violation(s) are on record. Customers may want to consider using a water filter.
What contaminants has Morongo detected?
46 contaminants were tested in Morongo's water. Notable contaminants include Lead (90th percentile), 1,4-dioxane. No contaminants exceed EPA legal limits. 2 exceed EPA health goals (MCLGs).
Does Morongo have any EPA violations?
Yes, Morongo has 30 EPA violation(s) on record, with the most recent in 2008. Violation types include MR, Other, MCL. 8 are health-based violations.
How many people does Morongo serve?
Morongo serves approximately 16,000 people, California.
What type of water does Morongo provide?
Morongo sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is 090600142.
How does Morongo compare to other utilities in California?
Morongo scores 32/100 with a grade of D (poor). This score suggests significant water quality concerns relative to other utilities. Visit our California state page for a full comparison of water systems.