Urban Drainage

Drainage Inventory Maps: View detailed maps of each area
Drainage Needs Reports (2002) - Note that some file are very large and will take a few minutes to load.
- Drainage Needs Reports Protocol (PDF) (6 mb)
- Drainage Needs Reports Summary (PDF) (18 mb)
- Aquatic Habitat Summary (PDF) (3 mb)
- Quilceda Creek Summary (PDF) (DNR No. 1) (72 mb)
- Swamp Creek Summary (PDF) (DNR No 2) (97 mb)
- North UGA's Summary (PDF) (DNR No. 3) (42 mb)
- Marshland Tributaries and Sunnyside Creek Summary (PDF) (DNR No. 4) (54 mb)
- Snohomish UGA Summary (PDF) (DNR No. 5) (37 mb)
- East Valley UGAs Summary (PDF) (DNR No. 6) (152 mb)
- Stanwood UGA Summary (PDF) (DNR No. 7) (6 mb)
- Allen Creek Summary (PDF) (DNR No. 8) (38 mb)
- Little Bear Creek Summary (PDF) (DNR No. 9) (9 mb)
- North Creek Summary (PDF) (DNR No. 10) (67 mb)
- Puget Sound Tributaries Summary (PDF) (DNR No. 11) (45 mb)