NAS - Nonindigenous Aquatic Species

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Specimen ID	State	County	Locality	Year	HUC Number	Drainage name	Status
547224	MD	Anne Arundel	Furnace Creek	2013	02060003	Gunpowder-Patapsco	established
625252	MD	Anne Arundel	Furnace Creek	2014	02060003	Gunpowder-Patapsco	established
1421551	MD	Anne Arundel	Lake adjacent/attached to Patapsco River	2017	02060003	Gunpowder-Patapsco	established
1546523	MD	Anne Arundel	park pond adjacent to Patapsco River	2019	02060003	Gunpowder-Patapsco	established
630948	MD	Anne Arundel	Patapsco River	2014	02060003	Gunpowder-Patapsco	unknown
1404928	MD	Anne Arundel	Patapsco River, 780 meters downstream from SR 648 bridge, Baltimore area	2017	02060003	Gunpowder-Patapsco	established
1467129	MD	Anne Arundel	Patapsco River, flood ponds at Belle Grove	2018	02060003	Gunpowder-Patapsco	established
1418498	MD	Anne Arundel	Patapsco River, pond located within tributary	2017	02060003	Gunpowder-Patapsco	established
1546848	MD	Anne Arundel	Wall Cove	2019	02060003	Gunpowder-Patapsco	established
1546849	MD	Baltimore	Big Gunpowder Falls at the base of Loch Raven Dam	2019	02060003	Gunpowder-Patapsco	established
1468335	MD	Baltimore	Bird River	2017	02060003	Gunpowder-Patapsco	established
1546617	MD	Baltimore	Bird River	2019	02060003	Gunpowder-Patapsco	established
1541680	MD	Baltimore	Bird River	2019	02060003	Gunpowder-Patapsco	established
1617909	MD	Baltimore	Browns Creek in Essex	2019	02060003	Gunpowder-Patapsco	established
1545152	MD	Baltimore	Gunpowder Falls	2019	02060003	Gunpowder-Patapsco	established
1548397	MD	Baltimore	Gunpowder Falls, at Loch Raven Reservoir	2019	02060003	Gunpowder-Patapsco	unknown
1464348	MD	Baltimore	Gunpowder River	2018	02060003	Gunpowder-Patapsco	established
1522609	MD	Baltimore	Hogpen Creek	2018	02060003	Gunpowder-Patapsco	unknown
1541823	MD	Baltimore	Middle River	2019	02060003	Gunpowder-Patapsco	established
1618050	MD	Baltimore	Minebank Run	2019	02060003	Gunpowder-Patapsco	unknown
1468800	MD	Baltimore	Norman Creek	2018	02060003	Gunpowder-Patapsco	established
1548396	MD	Baltimore	Norman Creek	2019	02060003	Gunpowder-Patapsco	unknown
1468346	MD	Baltimore	Saltpeter Creek	2017	02060003	Gunpowder-Patapsco	established
1468326	MD	Baltimore	Saltpeter Creek	2017	02060003	Gunpowder-Patapsco	established
1541626	MD	Baltimore	Seneca Creek	2019	02060003	Gunpowder-Patapsco	unknown
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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.