A92/100
ESCONDIDO, CITY OF — Water Quality Report 2026
Serving 137,044 people · California
Water Source
Surface Water
County
—
System ID
CA3710006
Violations
1
Contaminant Test Results
1 contaminant above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Lead (90th percentile) | 0.001 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
No violations in the past 5 years
Full EPA compliance since 2009.
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 ESCONDIDO, CITY OF
Is ESCONDIDO, CITY OF water safe to drink?
ESCONDIDO, CITY OF water receives a grade of A (92/100), which is considered excellent. Out of 76 contaminants tested, none exceed EPA legal limits. 1 contaminant(s) exceed non-enforceable health goals. The water meets federal safety standards.
What contaminants has ESCONDIDO, CITY OF detected?
76 contaminants were tested in ESCONDIDO, CITY OF's water. Notable contaminants include Lead (90th percentile). No contaminants exceed EPA legal limits. 1 exceed EPA health goals (MCLGs).
Does ESCONDIDO, CITY OF have any EPA violations?
Yes, ESCONDIDO, CITY OF has 1 EPA violation(s) on record, with the most recent in 2009. Violation types include MCL. 1 are health-based violations.
How many people does ESCONDIDO, CITY OF serve?
ESCONDIDO, CITY OF serves approximately 137,044 people, California. The system provides water to 1 community: Escondido.
What type of water does ESCONDIDO, CITY OF provide?
ESCONDIDO, CITY OF sources its water from surface water. Surface water comes from rivers, lakes, or reservoirs and typically requires more extensive treatment. The utility's system ID is CA3710006.
How does ESCONDIDO, CITY OF compare to other utilities in California?
ESCONDIDO, CITY OF scores 92/100 with a grade of A (excellent). This places it among the higher-performing utilities in the state. Visit our California state page for a full comparison of water systems.