Specimen ID	State	County	Locality	Year	HUC Number	Drainage name	Status
547224	MD	Anne Arundel	Furnace Creek	2013	2060003	Gunpowder-Patapsco	established
625252	MD	Anne Arundel	Furnace Creek	2014	2060003	Gunpowder-Patapsco	established
1421551	MD	Anne Arundel	Lake adjacent/attached to Patapsco River	2017	2060003	Gunpowder-Patapsco	established
630948	MD	Anne Arundel	Patapsco River	2014	2060003	Gunpowder-Patapsco	unknown
1404928	MD	Anne Arundel	Patapsco River, 780 meters downstream from SR 648 bridge, Baltimore area	2017	2060003	Gunpowder-Patapsco	established
1418498	MD	Anne Arundel	Patapsco River, pond located within tributary	2017	2060003	Gunpowder-Patapsco	established
1464348	MD	Baltimore	Gunpowder River	2018	2060003	Gunpowder-Patapsco	established
887019	MD	Baltimore	Sue Creek, at Baltimore Boating Center (2015 Turkey Point Road Essex MD 21221)	2015	2060003	Gunpowder-Patapsco	established
1257107	MD	Harford	Chesapeake Bay, at north end of Aberdeen Proving Ground, Spesutie Island Road	2016	2060003	Gunpowder-Patapsco	established
1418770	MD	Harford	Chesapeake Bay, shoreline south of Tydings Park, Havre de Grace	2017	2060003	Gunpowder-Patapsco	established
886054	MD	Harford	Dipper Creek near the intersection of Hopkins Rd and Spesutie Island Rd. at Aberdeen Proving Ground	2015	2060003	Gunpowder-Patapsco	unknown
1385063	MD	Harford	Dipper Creek, on the east side of Hopkins Rd	2017	2060003	Gunpowder-Patapsco	established
1462952	MD	Harford	Grays Run [near Riverside]	2018	2060003	Gunpowder-Patapsco	established
877343	MD	Harford	Susquehanna River [just S of Havre de Grace]	2015	2060003	Gunpowder-Patapsco	established

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.

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