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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: Codorus Creek

HUC Name
020503060701 Lake Marburg-West Branch Codorus Creek
020503060702 Oil Creek
020503060703 Headwaters Codorus Creek
020503060704 Stoverstown Branch-Codorus Creek
020503060705 Willis Run-Codorus Creek
020503060706 Mill Creek
020503060707 Dee Run-Codorus Creek