NPDES Databases

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Individual and General NPDES Permit Databases

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Time of Transfer Database

The Time of Transfer (ToT) Database allows certified ToT inspectors to login in and enter inspection reports online. All ToT inspection reports entered into the database will be automatically transmitted to the DNR and the county where the property is located, and will be available to the public online upon submittal.

The ToT Database is located at: https://programs.iowadnr.gov/timeoftransfer

For more information on the ToT Database, see the ToT Inspection Program webpage.

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Iowa DNR Payment Portal - Individual Fee Payment

Annual, application, and amendment fees for individual NPDES and operation permits can be paid on the Iowa DNR Payment System.

To pay an NPDES fee electronically, proceed to the Iowa DNR Payment System and choose “Pay Individual NPDES and Operation Wastewater Permit Fees”, or use the direct link to the Individual NPDES and Operation Wastewater Permit Fees webpage. Search for your fee using the permit number or facility name and follow the on screen instructions. 

General Electronic Payment Information

  • No separate invoice form will be needed for the electronic payments.
  • Payments can be made with credit card or electronic check.
  • All payments will include a $1.50 processing fee.
  • Credit card payments will include an additional 2.5% processing fee.
  • The Payment System accepts Visa, MasterCard, Discover, and American Express.
  • Paper fee invoices do not need to be mailed separately when an electronic payment is made.

Specific Fee Information

  • Application Fees - The $85 application fee is due at when a permit application is submitted; usually once every five years.
  • Annual Fees - Payment notices for the annual fees are mailed to each facility in July. Annual fee payments are due August 30 of each year, and are not connected to permit renewals or the $85 application fee.
  • Amendment Fees - The $85 amendment fee is not due until an amendment request has been approved by a permit writer. Once an amendment request is approved, the amendment fee will be available on the Payment Portal.
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