Upgrade History

Update released on May 22, 2025

• Version 1.4.0
• The Copy Scenario/File Upload History Grid is updated to include information on how duplicate BMPs were processed. Options displayed are: Overwrite, Ignore, or Create New.

Update released on February 13, 2025

• Version 1.3.0
• Disclaimer pop up added upon logging in.
• BMP-Tracker scenarios are updated with revised data from the BMP-Tracker, and the 2024 BMP-Tracker scenario is added.

Update released on December 18, 2024

• Version 1.3.0
• The rounding in the BMP Submitted vs Credited reports has been updated to reflect more specific BMP amounts. 
• The loading rate for the agricultural open space land use has been updated to be consistent with historical loading rates. Any reports run prior to December 18th, 2024 should be re-run for accurate loads.

Update released on October 16, 2024

• Version 1.3.0
• A correction to the total acres in the Scenario Loads, Loads Compare, TMDL, and Scenario Landuse reports was made. The loads in these reports were not affected by the update. Any reports run prior to October 16th, 2024 should be re-run for accurate acreages. 

Update released on July 31, 2024

• Version 1.3.0
• Projects page added to allow users the ability to organize their scenarios for a single project into a group.
• TMDL Comparison report is now available. This report allows users to compare loads in scenarios, and check how close to the scenario loads are to the prescribed TMDL for that geography. 
• Update to the manure transport BMP that allows users to now apply manure transport to a scenario at the HUC12 scale.

Update released on May 9, 2024

• Version 1.2.5
• The septic BMPs are now available for use in scenarios.
• Wastewater load data is updated.
• Shoreline erosion control has default load reductions if none are entered by the user.
• Source Data report is updated to include information about which BMPs affect bacteria.
• Miscellaneous bugs and fixes.

Update released on January 24, 2024

• Version 1.2.0
• For all scenarios that do not have cost profiles, a Delaware default cost profile is assigned.

Update released on January 21, 2024

• Version 1.2.0
• Update to an issue influencing the phosphorus efficiency reduction BMPs. The issue was introduced on December 4, 2023 and corrected on January 21, 2024. Any scenarios or reports created between those dates should be re-run for accurate phosphorus reduction calculations.

Release 1.2.0

• When pulling runoff reduction and stormwater treatment volume data from BMP Tracker, acre-feet is now converted to inches treated.
• New Cost Profiles page added for users to create and edit cost profiles to apply to scenarios.
• New 'Help' drop-down-list including How To, Documentation, and Upgrade History pages. 
• Updates to the home page text, changing from future to present tense.

Release 1.0.0

This is the initial release of DTAP, which includes setup of all base conditions, BMPs, scenario building, and linking to BMP Tracker. A Home page was developed, including text describing the intended use of the DTAP tool. Beneficiaries of DTAP are expected to include MS4s, U.S. EPA, DNREC, and all those who care about clean water in Delaware.