We offer free newsletter and our meetings are free as well. We want to encourage participation and engagement in water quality. Yearly membership isn’t required for participation. That being said, our organization does have a number of costs, and we do appreciate those who can support us with yearly sponsorships.
The suggested basic sponsorship levels are:
$15 – Student or Senior Membership
$25 – Adult Membership
$35 – Family Membership
$100 – Trail Sponsor
$250 – Headwater Sponsor
$500 – Tributary Sponsor
$1000 – Stream Sponsor
$2000 – Watershed Sponsor
$5000 – Alliance Lifetime Sponsor

Membership or Sponsorship contributions can be made by credit card by clicking the donate button below OR by check made out to Muddy Branch Alliance, sent to 19 Turnham Lane, Gaithersburg, MD 20878. To request a signed receipt, please provide your address in the PayPal “special instructions” area, or you can send us this information in an email to us at with an address to send it to.


The Muddy Branch Alliance is a 501(c)3, and you can designate donations through your giving program at work.  Our EIN is 45-2490551.  Our address is 19 Turnham Lane, Gaithersburg, MD  20878.  If you have questions or need help in this process, email us at and we will get back to you within a few business days.