Shell Rock River in Iowa
Around here
Around Shell Rock River
Public land: USGS PAD-US
About this river
Shell Rock River is a 62.1 mile river. Streamflow is measured at the USGS gauge Shell Rock River at Shell Rock, IA (site 05462000). The National Hydrography Dataset places it at stream order 6. Reach geometry comes from the USGS National Hydrography Dataset.
Typical flow by month
1954 to 2026
Shell Rock River typically runs highest in April, at a median 1,560 cfs, and lowest in February, at 284 cfs. The highest flow on record for any single day is 46,400 cfs, in 2008.
Show the numbers
| Month | Typical (cfs) | Usual range (cfs) |
|---|---|---|
| January | 285 | 185 to 482 |
| February | 284 | 184 to 455 |
| March | 1,010 | 424 to 2,310 |
| April | 1,560 | 779 to 2,840 |
| May | 1,360 | 694 to 2,600 |
| June | 1,395 | 663 to 2,560 |
| July | 1,060 | 454 to 1,800 |
| August | 528 | 278 to 960 |
| September | 455 | 274 to 814 |
| October | 472 | 257 to 1,100 |
| November | 525 | 262 to 940 |
| December | 393 | 234 to 639 |
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 66 years of record. Statistics published by the US Geological Survey for Shell Rock River at Shell Rock, IA (site 05462000). 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 Shell Rock River, all of them public access. Ramp data comes from the USGS national boat-ramp inventory.
- Big Marsh Wildlife AreaBig Marsh Wildlife Area waterPublic
- Big Marsh Wildlife AreaWest Fork Cedar RiverPublic
- Shell Rock ParkShell Rock RiverPublic
- Camp ComfortShell Rock RiverPublic
- North Cedar ParkCedar RiverPublic
- Green Recreational ParkShell Rock RiverPublic
- Gates BridgeShell Rock RiverPublic
- Nashua AccessCedar RiverPublic
Embed this gauge on your site
Paste this snippet anywhere, an outfitter page, a club site, a trip report, to show Shell Rock River's live streamflow, water level and 7-day trend. It reads the USGS gauge directly, updates itself, and links back here.
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