NAS - Nonindigenous Aquatic Species

Specimen ID	State	County	Locality	Year	HUC Number	Drainage name	Status
230900	MD	Montgomery	Chesapeake and Ohio Canal, Violettes Lock, near Seneca	1982	02070008	Middle Potomac-Catoctin	established
892666	MD	Montgomery	Clopper Lake, at Seneca Creek State Park; at boat ramp and throughout	2015	02070008	Middle Potomac-Catoctin	established
1409967	MD	Montgomery	Seneca Creek State Park	2016	02070008	Middle Potomac-Catoctin	established

Data Disclaimer: Number of records does not imply species abundance. This summary represent collection records only and may not reflect the actual distribution of established populations. These data are preliminary or provisional and are subject to revision. They are being provided to meet the need for timely best science. The data have not received final approval by the U.S. Geological Survey (USGS) and are provided on the condition that neither the USGS nor the U.S. Government shall be held liable for any damages resulting from the authorized or unauthorized use of the data.

Data are not available for download from the web site. Please contact NAS staff for a custom query.