Impervious Cover 2021

This dataset entails the delineation of impervious surfaces and artificial land cover types extracted from aerial imagery captured in early 2021.

Utilization within the City of Austin

The dataset plays a pivotal role in several municipal functions, encompassing the computation of the Drainage Charge managed by the Watershed Protection Department, wildfire assessments, emergency operations planning, transportation asset monitoring, urban forest management, and more.

Data Updates

New aerial imagery and impervious cover data are acquired by the city every two years, resulting in distinct datasets for each capture. As of its initial capture in early 2021, there have been no subsequent updates to this dataset.

Downloading Instructions

Some users have reported issues downloading the data. Due to the large size of the dataset, downloading can take longer than expected. We recommend following these instructions to download the data.

1. Click on 'Export'.
2. Choose the desired export format from the dropdown menu.
3. Initiate the download by clicking 'Download'.
4. It's essential to allow your browser ample time to process the download. Even if no immediate action appears to occur, please refrain from closing the browser window. Depending on your internet speed, the download process can take between 10 to 30 minutes due to the substantial size of the data.
5. Once the download commences in your browser, allow it to finish entirely.
6. Should you encounter any issues during the download process, kindly contact the dataset owner for assistance.