About this river
Zekiah Swamp Run is a 10.1 mile river near Atlantic Kayak Co in Maryland. Streamflow is measured at the USGS gauge Zekiah Swamp Run near Newtown, MD (site 01660920). The National Hydrography Dataset places it at stream order 5. Reach geometry comes from the USGS National Hydrography Dataset.
Typical flow by month
1983 to 2025
Zekiah Swamp Run typically runs highest in March, at a median 104 cfs, and lowest in September, at 3.5 cfs. The highest flow on record for any single day is 11,200 cfs, in 2011.
| Month | Typical (cfs) | Usual range (cfs) | Relative level |
|---|---|---|---|
| January | 82 | 47 to 135 | |
| February | 98 | 60 to 163 | |
| March | 104 | 66 to 183 | |
| April | 99 | 60 to 147 | |
| May | 62 | 34 to 111 | |
| June | 25 | 8.2 to 69 | |
| July | 8.2 | 2.0 to 32 | |
| August | 5.8 | 0.3 to 32 | |
| September | 3.5 | 0.1 to 28 | |
| October | 14 | 4.4 to 45 | |
| November | 39 | 17 to 88 | |
| December | 67 | 33 to 132 |
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 41 years of record. Statistics published by the US Geological Survey for Zekiah Swamp Run near Newtown, MD (site 01660920). Conditions on any given day can fall well outside the usual range. Check the current reading before you go.
Boat access nearby
One mapped launch sits in the mapped area of Zekiah Swamp Run. Ramp data comes from the USGS national boat-ramp inventory.
- Gilbert Run ParkWheatley LakePublic
Embed this gauge on your site
Paste this snippet anywhere, an outfitter page, a club site, a trip report, to show Zekiah Swamp Run'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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