About this river
Saint Jones River is an 18.7 mile river near Captain's Lady Charters in Delaware. Streamflow is measured at the USGS gauge ST Jones River at Dover, DE (site 01483700). The National Hydrography Dataset places it at stream order 6. Reach geometry comes from the USGS National Hydrography Dataset.
Typical flow by month
1958 to 2025
Saint Jones River typically runs highest in March, at a median 51 cfs, and lowest in September, at 7.0 cfs. The highest flow on record for any single day is 1,910 cfs, in 2011.
| Month | Typical (cfs) | Usual range (cfs) | Relative level |
|---|---|---|---|
| January | 35 | 22 to 60 | |
| February | 44 | 28 to 73 | |
| March | 51 | 32 to 84 | |
| April | 42 | 26 to 70 | |
| May | 23 | 14 to 39 | |
| June | 13 | 6.8 to 27 | |
| July | 8.8 | 4.6 to 19 | |
| August | 7.6 | 3.6 to 20 | |
| September | 7.0 | 3.3 to 18 | |
| October | 9.9 | 4.3 to 24 | |
| November | 16 | 9.7 to 35 | |
| December | 26 | 15 to 53 |
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 67 years of record. Statistics published by the US Geological Survey for ST Jones River at Dover, DE (site 01483700). Conditions on any given day can fall well outside the usual range. Check the current reading before you go.
Boat access nearby
3 mapped launches sit in the mapped area of Saint Jones 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 Saint Jones 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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