A91/100
VENTURA WWD NO. 8 - SIMI VALLEY — Water Quality Report 2026
Serving 94,738 people · California
Water Source
Purchased Surface Water
County
—
System ID
CA5610023
Violations
5
Contaminant Test Results
EPA Violation History
1
Violation (last 5yr)
1
Unresolved
0
Health-Related
TIER 3Unresolved
Exceeded the MCL for disinfection byproducts
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
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 VENTURA WWD NO. 8 - SIMI VALLEY
Is VENTURA WWD NO. 8 - SIMI VALLEY water safe to drink?
VENTURA WWD NO. 8 - SIMI VALLEY water receives a grade of A (91/100), which is considered excellent. Out of 69 contaminants tested, none exceed EPA legal limits. The water meets federal safety standards.
What contaminants has VENTURA WWD NO. 8 - SIMI VALLEY detected?
69 contaminants were tested in VENTURA WWD NO. 8 - SIMI VALLEY's water. No contaminants exceed EPA legal limits or health goals, indicating good water quality management.
Does VENTURA WWD NO. 8 - SIMI VALLEY have any EPA violations?
Yes, VENTURA WWD NO. 8 - SIMI VALLEY has 5 EPA violation(s) on record, with the most recent in 2022. Violation types include MR, MCL. 1 are health-based violations.
How many people does VENTURA WWD NO. 8 - SIMI VALLEY serve?
VENTURA WWD NO. 8 - SIMI VALLEY serves approximately 94,738 people, California.
What type of water does VENTURA WWD NO. 8 - SIMI VALLEY provide?
VENTURA WWD NO. 8 - SIMI VALLEY sources its water from purchased surface water. Surface water comes from rivers, lakes, or reservoirs and typically requires more extensive treatment. The utility's system ID is CA5610023.
How does VENTURA WWD NO. 8 - SIMI VALLEY compare to other utilities in California?
VENTURA WWD NO. 8 - SIMI VALLEY scores 91/100 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.