National Monitoring Network Subnetwork
| Station Name | Receiving Waterbody Name | HUC6 | HUC6 Name | Station ID | Drainage area at site (square miles) | Watershed total drainage area (square miles) | Comments |
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| Hudson River below Poughkeepsie, NY [map] [data] | New York Bay | 020200 | Upper Hudson | 01372058 | 11,740 | 13,400 | | | Delaware River at Trenton, NJ [photo] [map] [data] | Delaware Bay | 020401 | Northern Delaware | 01463500 | 6,780 | 13,539 | this station is also in the NAWQA network | | Apalachicola River near Sumatra, FL [map] [data] | Apalachicola Bay | 031300 | Apalachlcola | 02359170 | 19,200 | 19,500 | | | Brazos River near Rosharon, TX [map] [data] | Brazos River Estuary | 120701 | Southern Brazos | 08116650 | 45,339 | 45,600 | | | Mississippi River above Vicksburg at mile 438, MS [photo] [map] [data] | Gulf of Mexico | 080601 | Lower Mississippi-Natchez | 322023090544500 | 1,131,100 | 1,150,000 | streamflow for this site is determined as the difference between that measured at the Mississippi River at Vicksburg, MS (station 07289000) and the Yazoo River below Steele Bayou near Long Lake, MS (station 07288955) | |
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