NAS - Nonindigenous Aquatic Species

Specimen ID	State	County	Locality	Year	HUC Number	Drainage name	Status
157675	MA		Charles River drainage	2001	01090001	Charles	established
158741	MA		Connecticut River	1980	01080201	Middle Connecticut	established
278748	MA		Connecticut River	1993	01080201	Middle Connecticut	established
268666	MA		Merrimack River drainage	1986	01070002	Merrimack	established
34868	MA		state non-specific	1985	01000000	New England Region	established
34920	MA		state non-specific	1992	01000000	New England Region	established
609291	MA	Franklin	Montague; Turners Falls power canals on Connecticut River, while drained.	1980	01080201	Middle Connecticut	established
163995	MA	Franklin	Silvio O. Conte National Fish and Wildlife Refuge	2005	01080201	Middle Connecticut	established
163915	MA	Middlesex	Great Meadows National Wildlife Refuge, Concord	2005	01070005	Concord	established
609707	MA	Norfolk	Millis; Charles River at Rt.109 bridge.	1986	01090001	Charles	established
874814	MA	Worcester	Queen Lake at sampling station F1G	1992	01080204	Chicopee	established
873383	MA	Worcester	Stone Bridge Ponds at sampling station F1T	1992	01080204	Chicopee	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.