1.0 DCPLUS 20260603 15484700 20260603 15484700 https://www.arcgis.com/sharing/rest/content/items/3080645fbc1447859cd9184ec077f3d2/info/thumbnail/thumbnail1758576022486.png https://www.arcgis.com/home/item.html?id=3080645fbc1447859cd9184ec077f3d2 3080645fbc1447859cd9184ec077f3d2 Feature Service https://services3.arcgis.com/SCwJH1pD8WSn5T5y/arcgis/rest/services/CommunityTrees20243/FeatureServer Impervious Surface Delta - Community Trees 2024 Community Trees Impervious Surface Delta Visualization LiDAR 2024 This dataset represents the change in impervious surface percentage between 2017 and 2024, aggregated at the census block level for the City of Tacoma. This layer displays the difference in impervious surface coverage over a seven-year period, using data derived from the <a href='https://tacoma.maps.arcgis.com/home/item.html?id=bc517dbd9d7e4b1f83d3bc10003873a9' target='_blank' rel='nofollow ugc noopener noreferrer'>2017</a> and <a href='https://staffmaps.cityoftacoma.org/portal/home/item.html?id=e6937ff121a94aa8ba94564089a755ef' target='_blank' rel='nofollow ugc noopener noreferrer'>2024</a> land cover datasets for Tacoma. The values represent the net change in impervious surface as a percentage of each census block's total area. Positive values indicate an increase in impervious surfaces, while negative values indicate a loss. This dataset supports urban forestry analysis, stormwater management, and environmental equity assessments.<div><br /></div><div><div>City of Tacoma Contacts:</div><div><br /></div><div>Vanessa Simpson, Senior Technical GIS Analyst, Environmental Services</div><div>vsimpson@tacoma.gov</div><div><br /></div><div>Mike Carey, Principal Natural Resources Analyst, Environmental Services</div><div>mcarey@tacoma.gov</div></div> Washington Department of Natural Resources NV5 <a href='https://data.tacoma.gov/pages/disclaimer' style='font-size:16px;' rel='nofollow ugc'>Disclaimer | City of Tacoma Open Data</a> -122.56475786782802 -122.34528557329539 47.321981887465235 47.16481682744967 1 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3080645fbc1447859cd9184ec077f3d2 https://services3.arcgis.com/SCwJH1pD8WSn5T5y/arcgis/rest/services/CommunityTrees20243/FeatureServer Feature Service