This web map tool shows the locations of various sanitary and storm sewer features such as manholes and main lines. Additional information can be accessed by left clicking on a mapped feature. Tools for tasks such as searching for an address or printing a paper copy are located along the top of the map. Cities should be contacted directly for detailed system information as indicated on the map.
- Sanitary Sewer & Storm Sewer Map
- Web Map Instructions (PDF)
- Street Sweeping Zone Map Tool
- Hydromodification Planning Tool
Additional Watershed Maps & Data
Commonly requested links for flow or regional data maintained by other agencies are listed below:
- Metro’s Data Resource Center – Maps and data
- Regional Conservation Strategy – Regional biodiversity recovery and management plan
- Tualatin River Flow Management Committee – Annual Flow Reports
- Oregon Department of Fish and Wildlife – Information on fish species
- Tualatin River Watershed Council – Calendar of Tualatin Basin Events and reports on the Tualatin River watershed
- US Geological Survey Oregon Water Science Center – Real-time data and reports from the Tualatin Basin
- Washington County Maps and Land Records – Detailed maps of Washington County and survey records from County Surveyor’s Office
- Oregon Water Resources Department – Data from flow gauges in the Tualatin Basin