A89/100
ALDERBROOK WATER CO — Water Quality Report 2026
Serving 2,154 people · Washington
Water Source
Groundwater
County
—
System ID
WA5301050
Violations
7
Contaminant Test Results
EPA Violation History
No violations in the past 5 years
Full EPA compliance since 2000.
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 ALDERBROOK WATER CO
Is ALDERBROOK WATER CO water safe to drink?
ALDERBROOK WATER CO water receives a grade of A (89/100), which is considered excellent. Out of 1 contaminants tested, none exceed EPA legal limits. The water meets federal safety standards.
What contaminants has ALDERBROOK WATER CO detected?
1 contaminants were tested in ALDERBROOK WATER CO's water. No contaminants exceed EPA legal limits or health goals, indicating good water quality management.
Does ALDERBROOK WATER CO have any EPA violations?
Yes, ALDERBROOK WATER CO has 7 EPA violation(s) on record, with the most recent in 2000. Violation types include MCL, MR. 1 are health-based violations.
How many people does ALDERBROOK WATER CO serve?
ALDERBROOK WATER CO serves approximately 2,154 people, Washington.
What type of water does ALDERBROOK WATER CO provide?
ALDERBROOK WATER CO sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is WA5301050.
How does ALDERBROOK WATER CO compare to other utilities in Washington?
ALDERBROOK WATER CO scores 89/100 with a grade of A (excellent). This places it among the higher-performing utilities in the state. Visit our Washington state page for a full comparison of water systems.