---
title: What Causes I&I?
description: Request a free poster explaining inflow and infiltration and the risks, causes and costs associated with I&I in sewers and collection systems.
image: https://inbound.envirosight.com/hubfs/Facebook_final.jpg
---

[![Envirosight Logo](https://inbound.envirosight.com/hubfs/Images/logo-envirosight.png)](https://envirosight.com/)

 (866) 936-8476

# Request YouR I&I Poster

Collection systems are designed to carry a set amount of wastewater, and when flow exceeds that amount, it can lead to severe structural and environmental damage.

Identifying sources of I&I and mitigating excessive flow is no small job, but it’s crucial to a healthy sewer system. Our FREE poster illustrates common sources of I&I and explains the challenges associated with it.

\*Available to U.S. and Canadian addresses only.

![promo v3](https://inbound.envirosight.com/hs-fs/hubfs/promo%20v3.jpg?width=600&name=promo%20v3.jpg "promo v3")

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866.227.9845  
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