250701_42 ERW_Stormwater Report

Table of contents Introduction ........................................................................................................................................................................ 1 Available Information ........................................................................................................................................................ 1 Site and Project Description ............................................................................................................................................ 1 Stormwater Subsurface Exploration ............................................................................................................................. 1 Subsurface Conditions ..................................................................................................................................................... 1 USDA Web Soil Survey..................................................................................................................................................... 1 Soil Stratification ............................................................................................................................................................. 2 General Groundwater Observations ............................................................................................................................. 2 In-situ Infiltration Testing ................................................................................................................................................. 2 Proposed Stormwater Facilities ..................................................................................................................................... 2 Measured Field Intake Rate ............................................................................................................................................ 2 Closing .................................................................................................................................................................................. 3 Limitations ........................................................................................................................................................................... 3 Test Pit Logs

Limitations ........................................................................................................................................................................... 3 Test Pit Logs ........................................................................................................................................................................ 2 In-situ Infiltration Test Result .......................................................................................................................................... 3 GEOTECHNICAL DATA REPORT | February 27, 2025