| number | council | type | link map | country map |
|---|---|---|---|---|
| 1 | Oconomowoc Lake | district | Wisconsin | USA |
| 2 | Omro | district | Wisconsin | USA |
| 3 | Oregon Water Resources Congress | district | Oregon | USA |
District type council web sites starting with O for USA only ..... list all types ..... list all letters ..... list all countries | ||||