Sewer Manhole (0)
| Other Ownership |
| Hydraulic Grade Manhole |
| Manhole |
| Overflow Manhole |
| SSCB |
Sewer Nodes (1)
Sewer Main (2)
| Other Ownership |
| Mercer Island |
Sewer Lateral (3)
Storm Catch Basin (4)
| Other |
| Type 1 (City) |
| Other (City) |
| Type 2 (City) |
| Unknown Ownership |
| Other Ownership |
Storm Nodes (5)
Storm Main (6)
| Other |
| Pipe (City) |
| Watercourse (City) |
| Watercourse (Other) |
| Ditch (City) |
| High Flow Bypass (City) |
| Other Ownership |
| Unknown Ownership |
Storm Lateral (7)
| Private |
| Mercer Island |
|
