A91/100
CALIFORNIA-AMERICAN LARKFIELD (PUC) — Water Quality Report 2026
Serving 7,913 people · California
Water Source
Groundwater
County
—
System ID
CA4910023
Violations
2
Contaminant Test Results
1 contaminant above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Lead (90th percentile) | 0.004 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
No violations in the past 5 years
Full EPA compliance since 1998.
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 CALIFORNIA-AMERICAN LARKFIELD (PUC)
Is CALIFORNIA-AMERICAN LARKFIELD (PUC) water safe to drink?
CALIFORNIA-AMERICAN LARKFIELD (PUC) water receives a grade of A (91/100), which is considered excellent. Out of 31 contaminants tested, none exceed EPA legal limits. 1 contaminant(s) exceed non-enforceable health goals. The water meets federal safety standards.
What contaminants has CALIFORNIA-AMERICAN LARKFIELD (PUC) detected?
31 contaminants were tested in CALIFORNIA-AMERICAN LARKFIELD (PUC)'s water. Notable contaminants include Lead (90th percentile). No contaminants exceed EPA legal limits. 1 exceed EPA health goals (MCLGs).
Does CALIFORNIA-AMERICAN LARKFIELD (PUC) have any EPA violations?
Yes, CALIFORNIA-AMERICAN LARKFIELD (PUC) has 2 EPA violation(s) on record, with the most recent in 1998. Violation types include MCL, Other. 1 are health-based violations.
How many people does CALIFORNIA-AMERICAN LARKFIELD (PUC) serve?
CALIFORNIA-AMERICAN LARKFIELD (PUC) serves approximately 7,913 people, California.
What type of water does CALIFORNIA-AMERICAN LARKFIELD (PUC) provide?
CALIFORNIA-AMERICAN LARKFIELD (PUC) sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is CA4910023.
How does CALIFORNIA-AMERICAN LARKFIELD (PUC) compare to other utilities in California?
CALIFORNIA-AMERICAN LARKFIELD (PUC) 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.