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Hartwick Marina Inc

Wapsipinicon River near Delhi, IA

River62.1 mi

Around here

Around Wapsipinicon River

20 mi

Data Source: Recreation.gov · Public land: USGS PAD-US

About this river

Wapsipinicon River is a 62.1 mile river near Hartwick Marina Inc in Iowa. Streamflow is measured at the USGS gauge Wapsipinicon River near Anamosa, IA (site 05421740). The National Hydrography Dataset places it at stream order 6. Reach geometry comes from the USGS National Hydrography Dataset.

Typical flow by month

2002 to 2026

Wapsipinicon River typically runs highest in June, at a median 2,020 cfs, and lowest in October, at 351 cfs. The highest flow on record for any single day is 31,000 cfs, in 2008.

Show the numbers
Typical flow by month at Wapsipinicon River near Anamosa, IA, in cfs
MonthTypical (cfs)Usual range (cfs)
January608335 to 1,090
February577377 to 914
March1,8601,020 to 3,480
April2,0201,170 to 3,370
May2,0201,290 to 3,360
June2,0201,170 to 3,935
July1,520701 to 2,410
August543285 to 1,170
September368237 to 893
October351233 to 1,100
November531316 to 1,080
December465320 to 741

Typical is the median of each month’s daily median values, and the usual range runs from the median 25th to the median 75th percentile, across about 24 years of record. Statistics published by the US Geological Survey for Wapsipinicon River near Anamosa, IA (site 05421740). Conditions on any given day can fall well outside the usual range. Check the current reading before you go.

Boat access nearby

8 mapped launches sit in the mapped area of Wapsipinicon River, all of them public access. Ramp data comes from the USGS national boat-ramp inventory.

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