B75/100
GUADALUPE VALLEY MID — Water Quality Report 2026
Serving 1,472 people · California
Water Source
Purchased Surface Water
County
—
System ID
CA4110005
Violations
5
Contaminant Test Results
2 contaminants above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
PFOA | 0.010 µg/L | 0.004 µg/L | Over Limit |
PFOS | 0.008 µg/L | 0.004 µg/L | Over Limit |
EPA Violation History
No violations in the past 5 years
Full EPA compliance since 2004.
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 GUADALUPE VALLEY MID
Is GUADALUPE VALLEY MID water safe to drink?
GUADALUPE VALLEY MID water receives a grade of B (75/100), which is considered good. Out of 31 contaminants tested, 2 exceed EPA legal limits. 2 contaminant(s) exceed non-enforceable health goals. The water meets federal safety standards.
What contaminants has GUADALUPE VALLEY MID detected?
31 contaminants were tested in GUADALUPE VALLEY MID's water. Notable contaminants include PFOA, PFOS. 2 exceed EPA legal limits (MCLs). 2 exceed EPA health goals (MCLGs).
Does GUADALUPE VALLEY MID have any EPA violations?
Yes, GUADALUPE VALLEY MID has 5 EPA violation(s) on record, with the most recent in 2004. Violation types include MR, Other, TT. 1 are health-based violations.
How many people does GUADALUPE VALLEY MID serve?
GUADALUPE VALLEY MID serves approximately 1,472 people, California.
What type of water does GUADALUPE VALLEY MID provide?
GUADALUPE VALLEY MID 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 CA4110005.
How does GUADALUPE VALLEY MID compare to other utilities in California?
GUADALUPE VALLEY MID scores 75/100 with a grade of B (good). This is an above-average performance for utilities statewide. Visit our California state page for a full comparison of water systems.