Cart 0
About ACWA Board of Directors Contact Us ACWA Liability\PhotoRelease Form
What We Do Community Science Land Stewardship & Conservation Trash Cleanups Tree Stewardship Volunteer Info and Forms
Community Science Info History in our Watersheds Watershed Education Watershed Report Card PFAS Recreation and Water Levels Reporting Tree & Plant Info Native & Invasive Species Volunteer Training Workshops and Group Event Sales Downloads
Cart 0

 

creek.jpg
 

Antietam-Conococheague Watershed Alliance (ACWA)

 

Connecting people to their waterways through recreation, education, and conservation. 

We are passionate about protecting and restoring the Antietam & Conococheague Creeks in Washington County, Maryland

Upcoming Events

Calendar
Plant I.D. for Priority Seed Collection Workshop 2026
Aug 5
Plant I.D. for Priority Seed Collection Workshop 2026

Learn basic plant ID skills to locate priority plants for seed collections this fall

Read more →
Invasive Plant Workshop Aug 2026
Aug 22
Invasive Plant Workshop Aug 2026
Read more →
Native Tree & Shrub Sale Fundraiser
Oct 3
Native Tree & Shrub Sale Fundraiser

Native tree and shrub seeding sale

Read more →
Donate to ACWA
Report a Problem in the Watershed

Click here to learn about our watersheds

Water Levels/Trip Info for Boaters
Featured
ACWA Fall 2026 Tree & Plant Sale
ACWA Fall 2026 Tree & Plant Sale
Read more →
Featured
National Water Quality Month: what it means locally
National Water Quality Month: what it means locally

Did you know that the month of August is recognized annually as National Water Quality Month?

Read more →
Student helps track Nitrates on Antietam Creek
Student helps track Nitrates on Antietam Creek

A student reflection on helping with Nitrate Watch

Read more →

Newsletters:

Be a Volunteer!

Learn how to care and preserve our watersheds on your own or through our many volunteer opportunities. Student service learning and group opportunities available.

Visit our Programs Page, check out our event calendar, or Contact us!

Sunny days for sampling! . . #benthicmacroinvertebrates #washingtoncountymd #Antietamcreek #waterquality #citizenscience #antietamwatershed
Tree Stewards in action! Reestablishing vegetative stream buffers requires follow-up TLC for years after putting the trees in the ground. This past weekend a small crew provided a much needed pruning and shelter maintenance on to local planting sites
Brrrr! A small team of volunteers were bundled up for our first day out collecting aquatic insects. The variety and types of “benthic macroinvertebrates” can tell us the health of our stream’s habitat & water quality. Go Team! .