Town of Friday Harbor
San Juan Island

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60 Second Street
PO Box 219






List of Tables


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No. Table Page
2-1 Soil Characteristics 2-5
2-2 Precipitation (inches/month) 2-6
2-3 Stormwater System Inventory 2-11
2-4 Design Storm 24-Hour Precipitation Totals 2-12
4-1 Stormwater System Inventory 4-1
4-2 Drainage Basin No. 1 Stormwater System Inventory 4-3
4-3 Drainage Basin No. 2 Stormwater System Inventory 4-3
4-4 Drainage Basin No. 4 Stormwater System Inventory 4-5
4-5 Drainage Basin No. 5 Stormwater System Inventory 4-5
4-6 Drainage Basin No. 6 Stormwater System Inventory 4-6
4-7 Drainage Basin No. 7 Stormwater System Inventory 4-6
4-8 Runoff Parameters Existing Land Use (from Hydraulic Model 1997 Stormwater Management Plan) 4-13
4-9 Runoff Parameters Future Land Use (from Hydraulic Model 1997 Stormwater Management Plan 4-16
4-10 Drainage Basin No. 1 System Deficiencies 4-20
4-11 Drainage Basin No. 2 System Deficiencies 4-21
4-12 Drainage Basin No. 4 System Deficiencies 4-23
4-13 Drainage Basin No. 6 System Deficiencies 4-24
4-14 Drainage Basin No. 7 System Deficiencies 4-25
5-1 Water Quality Criteria for Class AA Marine Waters (WAC 173-201-030(2)) 5-8
5-2 General Impact of Nonpoint Sources on Friday Harbor 5-9
6-1 Recommended Stormwater Improvement Projects Estimated Project Costs 6-9
6-2 Maintenance Activities 6-10
6-3 Stormwater Facility Maintenance Activities 6-11
7-1 Capital Improvement Plan Financing 7-5
7-2 Preliminary Rate Analysis 7-9




Neither the Town of Friday Harbor nor any agency, officer, or employee of the Town warrants the accuracy, reliability or timeliness of any information presented here, and shall not be held liable for any losses caused by such reliance on the accuracy, reliability or timeliness of such information.
Portions of such information may be incorrect or not current. Any person or entity who relies on any information obtained from the system, does so at his or her own risk.

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