Creek

Location

Data Quality

Average Flow (cfs)

Maximum Flow (cfs)

Balch

Node ABB857 Trash Rack
McLeay Park
At Entry to Storm Pressure Line

Generally good; sporadic bad readings; summary is for the 1999-2002 period; many broken periods for the 1996-1999 period

June 99-September 2002: winter 1.9 cfs, summer 0.2 cfs

June 99-September 2002: winter 73 cfs, summer 60 cfs

Miller

12800 NW Marina Way
Drains to Multnomah Channel

Sporadic data readings, probably due to low creek flow

Mid-Late December: 1.2 cfs; Late May-Present: less than 0.1 cfs

Mid-Late December: 15.5 cfs; Late May-Present: 0.2 cfs

Saltzman

Node AAM040
Near NW Saltzman Rd. & US30 (St. Helens Rd/Columbia River Hwy)

Generally always flowing, good data

Mid-Late December: 0.4 cfs; Late May-Present: less than 0.1 cfs

Mid-Late December: 19.5 cfs; Late May-Present: 0.7 cfs

Stephens

Node ACT073
Near SW Macadam Blvd., inline with Fulton Park Blvd.

Generally always flowing; good data with sporadic bad readings

Mid-Late December: 1.9 cfs; Late May-Present: 1.0 cfs

Mid-Late December: 8.2 cfs; Late May-Present: 9.4 cfs