USGS

SPECIES WATCH

This alert is sent when a selected species expands its range into a new state, a new drainage (HUC-8), or new county within a state.

Example of alerts you WILL get:
*A selected species is found in a state where it has never been recorded before.
*A selected species is found in a county where it has never been recorded before.
*A selected species is found in a drainage where it has never been recorded before.

Examples of alerts you will NOT get:
*A selected species is found in an area that has had previous records, such as a state with old records.
*A selected species is found in a new location that is within the same drainage (HUC-8).

State County Location Drainage Alert Sent?
VA Charles City Potomac River, Marshall Hall boat access point Middle Potomac-Anacostia-Occoquan (HUC=2070010) Yes- State, County, Drainage
MD Montgomery Pine Lake, a reservoir in Wheaton, MD Middle Potomac-Anacostia-Occoquan (HUC=2070010) Yes-State, County
VA Fairfax Potomac River at Mason Neck National Wildlife Refuge Middle Potomac-Anacostia-Occoquan (HUC=2070010) Yes-County
VA Fairfax Potomac River in Pohick Bay Middle Potomac-Anacostia-Occoquan (HUC=2070010) No
VA Fairfax Dogue Creek Middle Potomac-Anacostia-Occoquan (HUC=2070010) No