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Important for you to know:

  • New to WDFN: explore current and historic water data available in your area of interest and filter to find monitoring locations that collect the water data you need through Explore USGS Water Data. To learn more, read our announcement on the Water Data for the Nation blog.

Hydrological Unit: Housatonic

HUC Name
0110000501 Headwaters Housatonic River
0110000502 Williams River-Housatonic River
0110000503 Konkapot River-Housatonic River
0110000504 Macedonia Brook-Housatonic River
0110000505 Tenmile River
0110000506 Lake Candlewood-Housatonic River
0110000507 Shepaug River
0110000508 Still River-Housatonic River
0110000509 Pomperaug River
0110000510 Eightmile Brook-Housatonic River
0110000511 Headwaters Naugatuck River
0110000512 Outlet Naugatuck River
0110000513 Housatonic River-Frontal Long Island Sound
Monitoring Locations