About this river
North Fork Maquoketa River is a 39.4 mile river near Port of Dubuque Marina in Iowa. Streamflow is measured at the USGS gauge North Fork Maquoketa River near Fulton, IA (site 05418400). The National Hydrography Dataset places it at stream order 6. Reach geometry comes from the USGS National Hydrography Dataset.
Typical flow by month
1998 to 2026
North Fork Maquoketa River typically runs highest in June, at a median 541 cfs, and lowest in January, at 215 cfs. The highest flow on record for any single day is 20,200 cfs, in 2002.
| Month | Typical (cfs) | Usual range (cfs) | Relative level |
|---|---|---|---|
| January | 215 | 166 to 351 | |
| February | 307 | 195 to 417 | |
| March | 390 | 259 to 611 | |
| April | 410 | 302 to 611 | |
| May | 411 | 318 to 576 | |
| June | 541 | 289 to 783 | |
| July | 425 | 292 to 578 | |
| August | 300 | 228 to 427 | |
| September | 263 | 201 to 414 | |
| October | 256 | 195 to 399 | |
| November | 265 | 207 to 385 | |
| December | 239 | 180 to 343 |
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 28 years of record. Statistics published by the US Geological Survey for North Fork Maquoketa River near Fulton, IA (site 05418400). Conditions on any given day can fall well outside the usual range. Check the current reading before you go.
Boat access nearby
2 mapped launches sit in the mapped area of North Fork Maquoketa River, all of them public access. Ramp data comes from the USGS national boat-ramp inventory.
Embed this gauge on your site
Paste this snippet anywhere, an outfitter page, a club site, a trip report, to show North Fork Maquoketa 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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