Membership Information

LDWG encourages all  permitted wastewater agencies, municipal stormwater (MS4) dischargers, industrial dischargers and other local units of government  within the watershed boundary to join the Watershed Group as Agency Members.  Additionally, we are stronger with support from a wide array of stakeholders like consulting firms, local businesses and environmental advocacy groups. These organizations are eligible for Associate Membership. Follow links below to download and send in your membership form today. For more information about membership benefits, please see our Fact Sheet.

Agency Member: Any agency holding an NPDES permit for a discharge from a wastewater treatment plant or from a municipal separate storm sewer system (MS4) into the Lower Des Plaines River or its tributaries. Agency Membership dues are calculated based on design average flow of treatment plant discharge in million gallons/day (MGD) and/or acres within the watershed boundary. In addition, all Agency Members are assessed a $200 administration fee and an $800 per-permit monitoring fee.

Agency Membership Form

Agency Dues Table for FY2020-21 for current members

Prospective Member Dues Table for FY2020-21

Associate Member: Any agency, organization or company interested in the mission and objectives of LDWG that is not eligible for membership as an Agency Member.  Several types of Associate Memberships are available:

  • Municipal Non-Permitted – Membership dues are calculated based on 1/3 of a municipality‚Äôs total acreage within the watershed boundary at $1.00 per acre plus the $200 administration fee.
  • Townships – $1,000
  • Industrial NPDES Permit Holders – $2,500
  • Not-for-Profit – $150
  • All Other Organizations – $500

Associate Membership Form

2020 Financial Reports

FY2020-21 Budget Summary- One Page

FY2020-21 Budget with detail

FY2019-20 Audit Report

Tax Documents

2019-2020 Tax Return

2018-2019 Tax Return

IRS Non-Profit Determination Letter

2021 Meeting Dates

March 25
May 27
July 22
September 23
November TBD

Get in Touch

10S404 Knoch Knolls Road
Naperville, IL 60565

Phone: 630-428-4500
Fax: 630-428-4599

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