9:30 - 11:30 a.m.
(Second Saturday of months of March, June, September and December)

Volunteers assess ecological conditions in streams, based on the presence and abundance of bottom-dwelling invertebrates.

Where to Meet: Parking lot behind Lake Accotink Park Administrative building. Call or email for directions.

See Friends of Accotink Creek for additional stream monitoring information:
http://www.accotink.org/StreamMonitoring.htm