Snohomish County Public Utility District No. 1

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Water Resources

Sultan River Profile Survey


Basin Hydrology

The following spreadsheets quantify past and present flows in the Sultan Basin.  These files included USGS data and data from our Operations Simulation Model. The data from the Operations Simulation Model represent our best knowledge regarding flows in ungaged parts of the basin based on past history. The USGS data are from the past and present stations listed here:

Site Name

Site Number

River Mile

Drainage Area (mi2)

Dates of operation

Status

Elk Creek

12137200

22.8

11.4

11/24/76 to 11/10/83

Discontinued

Williamson Creek

12137260

20.9

15.6

11/24/76 to 11/10/83

Discontinued

South Fork Sultan River

12137290

18.2

11.6

10/01/91 to present

In current use

Spada Lake

12137300

16.5

68.3

April 1965 to present

In current use

Sultan River near Startup, WA

12137500

11.3

74.5

5/1/34 to 6/30/71

Discontinued

Sultan River below Diversion Dam

12137800

9.7

77.1

5/1/83 to present

In current use

Sultan River near Sultan, WA

12138000

7.3

86.6

10/1/11 to 9/30/31

Discontinued

Sultan River below Chaplain Creek

12138150

4.9

92.6

11/1/74 to 10/16/84

Discontinued

Sultan River below Powerplant

12138160

4.5

94.2

7/19/83 to present

In current use