Around here
Around Monocacy River
Data Source: Recreation.gov · Source: USGS GNIS · Public land: USGS PAD-US
About this river
Monocacy River is a 58.2 mile river near River Island Outfitters in Maryland. Streamflow is measured at the USGS gauge Monocacy River at Bridgeport, MD (site 01639000). The National Hydrography Dataset places it at stream order 7. Reach geometry comes from the USGS National Hydrography Dataset.
Typical flow by month
1942 to 2027
Monocacy River typically runs highest in March, at a median 208 cfs, and lowest in September, at 12 cfs. The highest flow on record for any single day is 16,700 cfs, in 1972.
Show the numbers
| Month | Typical (cfs) | Usual range (cfs) |
|---|---|---|
| January | 120 | 59 to 260 |
| February | 167 | 80 to 360 |
| March | 208 | 122 to 417 |
| April | 135 | 78 to 260 |
| May | 88 | 51 to 184 |
| June | 42 | 23 to 88 |
| July | 21 | 10 to 49 |
| August | 16 | 7.3 to 32 |
| September | 12 | 6.0 to 31 |
| October | 18 | 9.3 to 57 |
| November | 57 | 26 to 137 |
| December | 112 | 50 to 255 |
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 85 years of record. Statistics published by the US Geological Survey for Monocacy River at Bridgeport, MD (site 01639000). 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 Monocacy River. Ramp data comes from the USGS national boat-ramp inventory.
- MonocacyMonocacy RiverPublic
Made to print
Put Monocacy River on your wall
This river section as an art print, drawn over the real terrain with its miles, plus the trails, roads and peaks around it. Pick the colors and the size, and see the finished print before you buy. From $39, shipping included.
Embed this gauge on your site
Paste this snippet anywhere, an outfitter page, a club site, a trip report, to show Monocacy River's live streamflow, water level and 7-day trend. It reads the USGS gauge directly, updates itself, and links back here.
See every free widget you can put on your site, including live conditions and a 7 day forecast.
