District Border (1)
| Clean Water Services |
District Hatch (2)
| Clean Water Services |
County Border (4)
| County |
County Hatch (5)
| County |
UGB Border (7)
| Urban Growth Boundary |
UGB Hatch (8)
| Urban Growth Boundary |
Sewer Maintanence (9)
| Beaverton |
| Cornelius |
| ForestGrove |
| Hillsboro |
| Sherwood |
| Tigard |
| Tualatin |
City Limits (10)
| Banks |
| Beaverton |
| Cornelius |
|
| Durham |
| Forest Grove |
|
| Gaston |
| Hillsboro |
|
| King City |
|
| Lake Oswego |
|
| North Plains |
|
| Portland |
|
| Rivergrove |
| Sherwood |
| Tigard |
| Tualatin |
|