Water Quality/Drainage Reviewers in the Land Use Division perform pre-construction review for water quality and drainage for site plans and subdivision plans to assure compliance with the Land Development Code.

We Are Ready To Serve You.

For information on DSD services, click to learn about our COVID-19 modified operations.


They check these things:

  • The pattern and quantity of stormwater discharge to assure no adverse impacts.
  • The control of water quality to assure compliance with the Land Development Code.
  • Assurance that stormwater discharge does not cause downstream erosion.
  • Determination of drainage easement requirements.
  • Modification of floodplain (FEMA and City of Austin fully developed 100-yr floodplain).

Subdivision Plans are also reviewed for compliance with the Land Development Code on:

  • Geometry (horizontal and vertical) of roadway design (local and collector streets)
  • Pavement Design
  • Inlet design

Site development permits for subdivisions and site plans are issued by the Engineering/Drainage Section of Watershed Protection Department (WPD) at the time of plan approval and related fiscal surety has been secured. Any construction, whether site or building, requires a permit to be issued before construction begins.  Further, for new subdivisions, public infrastructure such as streets and utilities must have been accepted before building permits are issued.