---
title: "Pollutant Removal Methods"
canonical: "https://help.innovyze.com/space/infodrainage2021v1/16548097/Pollutant+Removal+Methods"
format: markdown
---
**Pollutant Removal** data is added via the Pollution tab of a Stormwater Control. There are two pollutant removal methods available in InfoDrainage:

1. [Percentage Removal](https://help-innovyze.atlassian.net/wiki/spaces/infodrainage2021v1/pages/16548093)
2. [First Order Decay](https://help-innovyze.atlassian.net/wiki/spaces/infodrainage2021v1/pages/16548095)


![image](media://d2a94337-9fa3-4e3e-a394-d5abc48ffd15)