B71/100
SOUTH MONTEBELLO IRRIGATION DIST. — Water Quality Report 2026
Serving 15,021 people · California
Water Source
Groundwater
County
—
System ID
CA1910153
Violations
5
Contaminant Test Results
2 contaminants above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
PFOS | 0.020 µg/L | 0.004 µg/L | Over Limit |
PFOA | 0.008 µg/L | 0.004 µg/L | Over Limit |
EPA Violation History
1
Violation (last 5yr)
0
Unresolved
0
Health-Related
TIER 3Resolved
Monitoring Violation
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: June 1, 2021 – June 30, 2021Rule: Total Coliform RuleEnforcement: Formal — state order issued
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 SOUTH MONTEBELLO IRRIGATION DIST.
Is SOUTH MONTEBELLO IRRIGATION DIST. water safe to drink?
SOUTH MONTEBELLO IRRIGATION DIST. water receives a grade of B (71/100), 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 SOUTH MONTEBELLO IRRIGATION DIST. detected?
31 contaminants were tested in SOUTH MONTEBELLO IRRIGATION DIST.'s water. Notable contaminants include PFOS, PFOA. 2 exceed EPA legal limits (MCLs). 2 exceed EPA health goals (MCLGs).
Does SOUTH MONTEBELLO IRRIGATION DIST. have any EPA violations?
Yes, SOUTH MONTEBELLO IRRIGATION DIST. has 5 EPA violation(s) on record, with the most recent in 2021. Violation types include MON, MCL, MR. 2 are health-based violations.
How many people does SOUTH MONTEBELLO IRRIGATION DIST. serve?
SOUTH MONTEBELLO IRRIGATION DIST. serves approximately 15,021 people, California.
What type of water does SOUTH MONTEBELLO IRRIGATION DIST. provide?
SOUTH MONTEBELLO IRRIGATION DIST. sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is CA1910153.
How does SOUTH MONTEBELLO IRRIGATION DIST. compare to other utilities in California?
SOUTH MONTEBELLO IRRIGATION DIST. scores 71/100 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.