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Important for you to know:

  • New to WDFN: see current water conditions throughout the state using the new State Pages. Filter by continuous data type and age of data, view latest values, and link to graphing options to explore the data further. To learn more, read our announcement on the Water Data for the Nation blog.

Hydrological Unit: Casco Bay-Frontal Atlantic Ocean

HUC Name
010600010601 New Meadows River
010600010602 Great Pond-Frontal Casco Bay
010600010603 Harraseeket River
010600010604 Islands of Casco Bay
010600010605 Casco Bay-Atlantic Ocean