A89/100
ALCO WATER SERVICE — Water Quality Report 2026
Serving 56,253 people · California
Water Source
Groundwater
County
—
System ID
CA2710001
Violations
3
Contaminant Test Results
EPA Violation History
No violations in the past 5 years
Full EPA compliance since 1994.
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 ALCO WATER SERVICE
Is ALCO WATER SERVICE water safe to drink?
ALCO WATER SERVICE water receives a grade of A (89/100), which is considered excellent. Out of 66 contaminants tested, none exceed EPA legal limits. The water meets federal safety standards.
What contaminants has ALCO WATER SERVICE detected?
66 contaminants were tested in ALCO WATER SERVICE's water. No contaminants exceed EPA legal limits or health goals, indicating good water quality management.
Does ALCO WATER SERVICE have any EPA violations?
Yes, ALCO WATER SERVICE has 3 EPA violation(s) on record, with the most recent in 1994. Violation types include MCL, MR. 2 are health-based violations.
How many people does ALCO WATER SERVICE serve?
ALCO WATER SERVICE serves approximately 56,253 people, California.
What type of water does ALCO WATER SERVICE provide?
ALCO WATER SERVICE sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is CA2710001.
How does ALCO WATER SERVICE compare to other utilities in California?
ALCO WATER SERVICE scores 89/100 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.