National Pollutant Discharge Elimination System

EPA Stormwater Brochure

Stormwater Management Plan

What is the NPDES?

Watersheds, Flooding, and Pollution

Stormwater Runoff (EPA)

Climate Change Impacts

Illinois Environmental Protection Agency - NPDES Annual Reports

NPDES Phase II - Year 22 (2024/2025) Annual Report

NPDES Phase II - Year 21 (2023/2024) Annual Report

NPDES Phase II - Year 20 (2022/2023) Annual Report

NPDES Phase II - Year 19 (2021/2022) Annual Report

NPDES Phase II - Year 18 (2020/2021) Annual Report

NPDES Phase II - Year 17 (2019/2020) Annual Report

NPDES Phase II - Year 16 (2018/2019) Annual Report

NPDES Phase II Annual Update (2022/2023)

HR Green Annual Update Letter May 28, 2020 /documentcenter/view/5208/rpt-annualupdatehomerglen-2020-2021 

HR Green Annual Update Letter May 28, 2021

Notice of Intent for Permit 2018 /documentcenter/view/5207/noi-homerglen_noticeofintent-2021 

Notice of Intent for Permit 2021 (MS4's)