HIGHLINE WATER DISTRICT Water Quality Report
Population
115,950
people served
Water Source
🌊 Surface
rivers, lakes, reservoirs
National Rank
Top 43%
of 49,184 US systems
5-Year Record
✅ Clean
no violations
A
Safe
Safety Grade
0 violations in the past 5 years
System Details
- PWSID
- WA5340650
- Population Served
- 115,950
- Water Source
- Surface Water
- Owner
- Local Government
- State
- Washington
- EPA Region
- 10
Contaminants of Concern
No contaminant violations on record.
Violation History
No violations on record.
Total violations on record: 0
Service Area
Cities Served
ZIP Codes Served
How does this compare?
This systemNational average
Grade A
Avg: B-C
0violations total
Better than national avg
National avg: ~28 per system
🏙️ This is a large system — serving 17× more people than the national average.