Austin's drainage charge is assessed on utility bills and pays for solutions to flooding, erosion and water pollution.
The drainage charge is calculated individually for each property, based on the amount and percent of impervious cover. Less impervious cover means a lower charge.
What is impervious cover? It includes:
Impervious cover has a significant impact on stormwater. It increases the amount and speed of stormwater. It also increases the amount of pollutants in stormwater.
To find out more about how the drainage charge is calculated, view this presentation about the drainage charge calculations. To find out more about how impervious cover contributes to problems such as flooding, watch the video farther down the page.
Use the Find My Drainage Charge tool to see the impervious cover on your property. Need help? View this presentation. The Find My Drainage Charge tool works best with Internet Explorer 9 or higher, Firefox, Google Chrome or Safari.
The Watershed Protection Department is in the process of developing a discount program for both residential and commercial properties. The discount would be for stormwater controls that exceed the legal requirements for development. Find out more about the proposed Stormwater Management Discount.
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