Estimate Impervious Acre Credits (IACs) with Opti's Water Quality Credit Calculator
Download Calculator

Opti’s tool helps architects, engineers and consultants make preliminary assessments of existing stormwater ponds to determine suitability and potential benefits of a retrofit with Opti’s CMAC. Designed using MDE guidance for the use of wet and dry ponds for stormwater management, our calculator makes it easy to determine site feasibility and benefits through a 3-step process: