Your membership will help support the Defenders in its mission to preserve, improve and defend the environment of McHenry County. The Defenders is a registered 501(c)(3) corporation, and all contributions and memberships are tax-deductible to the full extent of the law.

Online through PayPal

Simply click on your desired membership pledge and you’ll be taken to PayPal’s secure website. To add more information, print out the membership form and mail it, or send us the info in an email.


One year Basic Membership     $50
Two year Basic Membership   $90  


One year Patron Membership   $100 
Two year Patron Membership $180 


One year Supporting Membership  $250
Two year Supporting Membership $450 


One year Senior Membership  $30 
Two year Senior  Membership  $54


One year Student Membership   $15 
Two year Student Membership  $27

Young Professional

One year Young Professional Membership $30

Recurring Monthly Donation

Click below to choose a monthly donation amount, then click Subscribe

Monthly Donation Options


One year Gift Membership        $25
Or make a donation in any amount *Please email us at with details about your donation, i.e. in memoriam or other special purpose.  Thank you!

By Mail

If you’d rather, you can print out the membership form and send it with a check made out to:

Environmental Defenders of McHenry County

110 S Johnson St, Ste 106
Woodstock, IL 60098-3259

Workplace Giving

EarthShareCheck with your personnel department. Defenders is a member of Earth Share of Illinois.

Thank you for your membership in the Defenders.

If you’re interested in a Business Membership, please CLICK HERE.

Your annual membership dues help to fund our county-wide programs and offer many benefits, including:

  • A network of environmental expertise.
  • Quarterly newsletter with timely articles and upcoming events.
  • Weekly eNews, an e-mail newsletter updating you on the latest local environmental news and events.
  • Invitations to members-only events.
  • The knowledge that you are playing an important part in preserving and protecting a healthy environment in McHenry County

Need more information? Research us at  GuideStar’s database includes information on all tax-exempt nonprofits registered with the IRS. Currently, there are more than 1.7 million organizations in the database including information on more than 900,000 public charities, approximately 118,000 private foundations, and nearly half a million other exempt organizations.


Call us with your questions at 815-338-0393 or drop us an email at

**Contributions and Memberships are tax-deductible to the full extent of the law.
Thank you!

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