B68/100
MONROE WATER SYSTEM — Water Quality Report 2026
Serving 23,467 people · Washington
Water Source
Purchased Surface Water
County
—
System ID
WA5355820
Violations
20
Contaminant Test Results
EPA Violation History
2
Violations (last 5yr)
0
Unresolved
0
Health-Related
TIER 3Resolved
Surface water treatment technique failure
When: July 1, 2024 – April 1, 2025Enforcement: Resolving — corrective action underway
TIER 3Resolved
Surface water treatment technique failure
When: July 1, 2022 – December 8, 2022Enforcement: Resolving — corrective action underway
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 MONROE WATER SYSTEM
Is MONROE WATER SYSTEM water safe to drink?
MONROE WATER SYSTEM water receives a grade of B (68/100), which is considered good. Out of 68 contaminants tested, none exceed EPA legal limits. The water meets federal safety standards.
What contaminants has MONROE WATER SYSTEM detected?
68 contaminants were tested in MONROE WATER SYSTEM's water. No contaminants exceed EPA legal limits or health goals, indicating good water quality management.
Does MONROE WATER SYSTEM have any EPA violations?
Yes, MONROE WATER SYSTEM has 20 EPA violation(s) on record, with the most recent in 2024. Violation types include Other, MCL, MR. 3 are health-based violations.
How many people does MONROE WATER SYSTEM serve?
MONROE WATER SYSTEM serves approximately 23,467 people, Washington.
What type of water does MONROE WATER SYSTEM provide?
MONROE WATER SYSTEM 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 WA5355820.
How does MONROE WATER SYSTEM compare to other utilities in Washington?
MONROE WATER SYSTEM scores 68/100 with a grade of B (good). This is an above-average performance for utilities statewide. Visit our Washington state page for a full comparison of water systems.