Exhibit AR026409: Wetland Mitigation Calculations: Vacca Farm

Notes

Wetland mitigation calculations table for Vacca Farm, AR026409, detailing compensation actions, action acres, credit acres, and adjusted acreages. Includes Wetland Restoration (Ratio 1:1) for Lora Lake fill removal (1.0 acres) and Prior Converted Croplands (6.60 acres, adjusted to 3.30 per Washington State Ecology wetland documentation). Wetland Enhancement (Ratio 1:2) covers Wetlands A1, A1a, A2, A3, A4 (1.59 acres), FW 1,2,3,9,10,11 (0.73 acres), Lora Lake Shoreline (0.32 acres), and Lora Lake aquatic habitat (3.06 acres, adjusted to 0.0 because Lora Lake is not identified in Port of Seattle documents as wetland and no NRMP text or landscape plans exist). Total Vacca Farm credit acres 10.48, adjusted to 5.61. Data sourced from Tables 5.1-1 and 4.1-3, NRMP, Parametrix, 2001.

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