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Important for you to know:

  • New to WDFN: daily data are now available in WDFN! Visit a Monitoring Location Page and scroll to the "Available data" section to graph daily data types. To learn more, read our announcement on the Water Data for the Nation blog.

Hydrological Unit: Occoquan River-Potomac River

HUC Name
020700100801 Lake Jackson-Occoquan River
020700100802 Occoquan Reservoir-Occoquan River
020700100803 Belmont Bay-Occoquan River
020700100804 Neabsco Creek
020700100805 Occoquan Bay-Potomac River