STEP tools and resources

Low Impact Development Planning and Design Guide

https://wiki.sustainabletechnologies.ca

Hantush groundwater mounding calculator

https://wiki.sustainabletechnologies.ca/wiki/Groundwater

1D drawdown calculator (constant and falling head conditions)

https://wiki.sustainabletechnologies.ca/wiki/Drainage_time

Online training modules

• Design Infiltration Rate
• Building Forward: Preparing For LID Construction

Low impact development is a stormwater management and land development strategy applied at the parcel and subdivision scale that emphasizes conservation and use of on-site natural features integrated with engineered, small scale hydrologic controls to more closely mimic pre-development hydrologic functions.

A stormwater management strategy that seeks to mitigate the impacts of increased urban runoff and stormwater pollution by managing it as close to its source as possible. It comprises a set of site design approaches and small scale stormwater management practices that promote the use of natural systems for infiltration and evapotranspiration, and rainwater harvesting.