Stormwater Management Discount Application Form

Use this form to apply for a Stormwater Management Discount, renew an existing discount or transfer a discount to a different utility account.

Please check your current bill and impervious cover on the “Find My Drainage Charge” tool. Upon receipt of your application, the City will review your impervious cover and correct any errors. A correction may result in an increase or decrease to your drainage charge.  Any approved discount will apply to the corrected bill based on corrected impervious cover.

Important! To submit this application, you will need to provide a utility account number, a photo of your stormwater control measure and various other information and documents. After answering one or two questions, you will be given a list of needed documents and information.


If you are renewing an existing Stormwater Management Discount, please use the Stormwater Management Discount Renewal Form.

Please select the type of stormwater control measure on the property.*
Are any individual tanks 250 gallons or more?

Rainwater Harvesting

Before continuing this application, please be prepared to supply the information and documents listed below. There is no way to save the application and come back to it later with the requested information.

  • Utility account number
  • Amount of impervious cover (rooftop) draining to the tank(s) in square feet
  • Permit or Site Plan/Subdivision Number for commercial properties
  • Photos showing each tank. Photos must show connection to downspout AND that it has an outflow device (hose, spigot, etc.). See an example photo (Stormwater Management Discount Guidance Manual, p.31).
  • Site Map (sketch or drawing), including the location of the tanks, flow of rain water to the tanks and approximate dimensions of the impervious cover draining to the tanks. See an example site map (Stormwater Management Discount Guidance Manual, p. 34).

Rainwater Harvesting

Before continuing the application, please be prepared to supply the information and documents listed below. There is no way to save the application and come back to it later with the requested information.

• Utility account number

• Permit or Site Plan / Subdivision Number for commercial properties

• Photos showing each tank. Photos must show connection to downspout AND that it has an outflow device (hose, spigot, etc.) See an example photo (Stormwater Management Discount Guidance Manual, p. 31).



Rain Gardens

Before continuing the application, please be prepared to supply the information and documents listed below. There is no way to save the application and come back to it later with the requested information.

• Utility account number

• Dimensions and depth, or volume of the rain garden

• Amount of impervious cover (rooftops, driveways, etc.) draining to the rain garden

• Permit or Site Plan / Subdivision Number for commercial properties

• Photo(s) showing the rain garden. See an example photo (Stormwater Management Discount Guidance Manual, p. 36).

• Site Map (sketch or drawing) including the rain garden’s location, dimensions and depth, rainwater flow and the dimensions of the impervious cover draining to it. See an example of a site map (Stormwater Management Discount Guidance Manual, p. 36).



Pond (Detention, Water Quality, or Retention/Irrigation System)

 

Before continuing the application, please be prepared to supply the information and documents listed below. There is no way to save the application and come back to it later with the requested information.

 

• Utility account number

• Excess voluntary storage volume

• Amount of impervious cover (parking lot, rooftop, driveway, etc.) draining to the pond

• Permit or Site Plan / Subdivision Number for commercial properties

• Photo(s) showing the pond. See an example photo (Stormwater Management Discount Guidance Manual, p. 46).

• Site Map (sketch or drawing) including the pond’s location and dimensions, rainwater flow and the dimensions of the impervious cover draining to it. See an example of a site map (Stormwater Management Discount Guidance Manual, p. 44).

• Calculations showing excess volume.  Note: if an engineer seal was required for construction, the calculations must be sealed as well. In this case, a sealed statement from an engineer can substitute for sealing the calculations.  See an example of the calculations (Stormwater Management Discount Guidance Manual, p. 45).



Green Roof

Before continuing the application, please be prepared to supply the information and documents listed below. There is no way to save the application and come back to it later with the requested information.

  • Utility account number
  • Name of any incentives received
  • Construction dates, if the green roof was built after the building.
  • Storage volume
  • Amount of impervious cover (rooftop) draining to the green roof, including footprint of the green roof
  • Permit or Site Plan / Subdivision Number for commercial properties
  • Photo(s) showing the green roof. See an example photo (Stormwater Management Discount Guidance Manual, p. 49).
  • Site Map (sketch or drawing) including the location and dimensions of the green roof, rainwater flow and the dimensions of the impervious cover draining to it. See an example of a site map (Stormwater Management Discount Guidance Manual, p. 49).
  • Calculations showing storage volume See example calculations (Stormwater Management Discount Guidance Manual, p. 49).



Applicant Information

Name*

Site Information

Address where Stormwater Control Measure is physically located: 

Address*
Is the billing address different?*
Has the person responsible for the stormwater control changed? Example, there is a new owner or tenant.*
Has the physical location of the stormwater control changed? Example, the tank has been moved to a new address.

Rain Harvesting System

What impervious cover drains to your tank(s)?
Does each tank have an outflow device (spigot, hose, etc)?*
Does each tank have a screen at the inlet to prevent mosquito larvae?
If your tank stores more than 500 gallons and is part of a pump system, have you installed a backflow prevention device as required by the Plumbing Code for the City of Austin?
Commercial properties only: Was the tank part of a site development plan or development agreement for the property?*

Required Attachments for Rain Harvesting Systems

To upload photos, click the “Choose File” button, select the images you’d like to upload, and be sure to click “Open”. You should see the names of the attached images beside the “Choose File” button once complete.

Photo(s) showing each tank. Photo must show connection to downspout AND that it has an outflow device (hose, spigot, etc.)
No File Chosen
File uploads may not work on some mobile devices.
If any tank is 250 gallons or more, provide the Site Map (sketch or drawing) including location of tank flow of rain water to the tank and approximate dimensions of the impervious cover draining to the tanks.
No File Chosen
File uploads may not work on some mobile devices.
Do you have additional photos or site maps to upload?*
Additional file 1
No File Chosen
File uploads may not work on some mobile devices.
Additional file 2
No File Chosen
File uploads may not work on some mobile devices.
Additional file 3
No File Chosen
File uploads may not work on some mobile devices.
Additional file 4
No File Chosen
File uploads may not work on some mobile devices.
Additional file 5
No File Chosen
File uploads may not work on some mobile devices.

Rain Barrel/Cistern Maintenance Plan


Rainwater harvesting equipment must be maintained in accordance with maintenance guidelines (Stormwater Management Discount Guidance Manual, p. 53)

I agree to maintain tanks and equipment by following the maintenance guidelines.*
Optional: Do you give permission for the City of Austin to use your photo(s) for promoting the Stormwater Management Discount or other initiatives?

Rain Garden

Please enter the rain gardens known or estimated volume.
Do you have a second rain garden*
Please enter the rain gardens known or estimated volume.
Do you have a third rain garden?*
What impervious cover areas drain to this rain garden?
Is the rain garden raised above the ground?*
Are the perimeter walls sealed in order to prevent leakage?*
Does standing rainwater completely drain in less than 24 hours?*
Commercial properties only: Was the rain garden part of a site development plan or development agreement for the property?*

Required Attachments for Rain Garden


Photo(s) showing each Rain Garden*
No File Chosen
File uploads may not work on some mobile devices.
Site Map (sketch or drawing) including rain garden's location, dimensions, and depth, rainwater flow, and the dimensions of the impervious cover draining to it.*
No File Chosen
File uploads may not work on some mobile devices.
Do you have additional photos or site maps to upload?*
Additional Rain Garden File 1
No File Chosen
File uploads may not work on some mobile devices.
Additional Rain Garden File 2
No File Chosen
File uploads may not work on some mobile devices.
Additional Rain Garden File 3
No File Chosen
File uploads may not work on some mobile devices.
Additional Rain Garden File 4
No File Chosen
File uploads may not work on some mobile devices.
Additional Rain Garden File 5
No File Chosen
File uploads may not work on some mobile devices.

Rain Garden Maintenance Plan


Rain gardens must be maintained in accordance with maintenance guidelines (Stormwater Management Discount Guidance Manual, p. 54).

I agree to maintain the rain garden by following the maintenance guidelines.*
Optional: Do you give permission for the City of Austin to use your photo(s) for promoting the Stormwater Management Discount or other initiatives?

Ponds - Detention Ponds, Wet Ponds, Sedimentation & Filtration Systems, or Retention/Irrigation Systems with excess voluntary volume

Was a Professional Engineer (P.E.) seal required for construction?*
Was this pond required development or part of a development agreement?*
Check the box that best characterizes this pond's purpose.*
What unit of measure are you using for excess volume storage?*
What types of impervious cover areas drain for this pond? Check all that apply.*

Required Attachments for Pond (Detention, Water Quality, or Retention/Irrigation System)


Photos showing each pond*
No File Chosen
File uploads may not work on some mobile devices.
Site Map (sketch or drawing) showing pond location and dimensions, flow of water, and approximate dimensions of impervious cover*
No File Chosen
File uploads may not work on some mobile devices.
Calculations showing excess volume. If an engineer seal was required for construction, the calculations must be sealed as well. In this case, a sealed statement from an engineer can substitute for sealing the calculations. *
No File Chosen
File uploads may not work on some mobile devices.
Do you have additional photos or site maps to upload?*
Additional Pond File 1
No File Chosen
File uploads may not work on some mobile devices.
Additional Pond File 2
No File Chosen
File uploads may not work on some mobile devices.
Additional Pond File 3
No File Chosen
File uploads may not work on some mobile devices.
Additional Pond File 4
No File Chosen
File uploads may not work on some mobile devices.
Additional Pond File 5
No File Chosen
File uploads may not work on some mobile devices.

Ponds Maintenance Plan


Stormwater Control Measures must be maintained in accordance with maintenance guidelines (Stormwater Management Discount Guidance Manual, p. 55).

I agree to maintain this Stormwater Control Measure by following the maintenance guidelines.*
Optional: Do you give permission for the City of Austin to use your photo(s) for promoting the Stormwater Management Discount or other initiatives?

Green Roof

Was this green roof required for development or part of a development agreement?*
Was the green roof a voluntary installation (i.e. not part of meeting any development requirements such as mandatory participation in the Austin Energy Green Building Program)?*
Was there any incentives received for the green roof?*
Was the green roof built at the same time as the building?*
What unit of measure are you using for calculated storage volume?*

Required Attachments for Green Roof

Photo(s) of green roof*
No File Chosen
File uploads may not work on some mobile devices.
Site map (sketch or drawing) including location and dimensions of the green roof, flow of water and dimensions of impervious cover draining to the green roof.*
No File Chosen
File uploads may not work on some mobile devices.
Calculations showing storage volume of the green roof.*
No File Chosen
File uploads may not work on some mobile devices.
Do you have additional photos or site maps to upload?
Additional File Green Roof 1
No File Chosen
File uploads may not work on some mobile devices.
Additional File Green Roof 2
No File Chosen
File uploads may not work on some mobile devices.
Additional File Green Roof 3
No File Chosen
File uploads may not work on some mobile devices.
Additional File Green Roof 4
No File Chosen
File uploads may not work on some mobile devices.
Additional File Green Roof 5
No File Chosen
File uploads may not work on some mobile devices.

Green Roof Maintenance Plan

                                                

A green roof must be maintained in accordance with maintenance guidelines (Stormwater Management Discount Guidance Manual, p. 54).

I agree to maintain this green roof by following the maintenance guidelines.*
Optional: Do you give permission for the City of Austin to use your photo(s) for promoting the Stormwater Management Discount or other initiatives?

Disclaimer and Signature

  • I understand that the City will review and correct any pre-existing errors to the amount of impervious cover recorded on my property before processing the discount and that this may increase my drainage charge.
  • I certify that the information provided is accurate to the best of my knowledge and that I have the authority to make such a request for this property.
  • I certify that the stormwater control measure volume for which I am requesting a discount is voluntarily built and exceeds the applicable requirements of City Code, state law, development agreement, or variance.
  • I agree to provide the City of Austin with corrected information should there be any changes made to the information provided herein.
  • I agree to provide the City of Austin with reasonable access to the property in order to conduct inspections.
  • I understand that I am responsible for ongoing maintenance of the stormwater control measure(s), and that failure to do so may result in discontinuation of the discount and possible back charges by removing the discount of prior months.
  • I understand that the discount, if approved, will expire 24 months after it begins. I understand I must reapply showing evidence of proper maintenance to obtain another 24 months of discount.
Name*
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