About this river
Conewago Creek is a 4.3 mile stream near Fish on the Fly in Pennsylvania. Streamflow is measured at the USGS gauge Conewago Creek near Falmouth, PA (site 01573710). The National Hydrography Dataset places it at stream order 4. Reach geometry comes from the USGS National Hydrography Dataset.
Typical flow by month
2011 to 2026
Conewago Creek typically runs highest in March, at a median 48 cfs, and lowest in July, at 14 cfs. The highest flow on record for any single day is 4,600 cfs, in 2011.
| Month | Typical (cfs) | Usual range (cfs) | Relative level |
|---|---|---|---|
| January | 39 | 24 to 64 | |
| February | 44 | 29 to 94 | |
| March | 48 | 33 to 84 | |
| April | 41 | 28 to 64 | |
| May | 38 | 21 to 67 | |
| June | 24 | 14 to 43 | |
| July | 14 | 9.9 to 29 | |
| August | 15 | 9.4 to 21 | |
| September | 14 | 7.0 to 32 | |
| October | 15 | 10 to 30 | |
| November | 20 | 12 to 36 | |
| December | 31 | 19 to 65 |
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 15 years of record. Statistics published by the US Geological Survey for Conewago Creek near Falmouth, PA (site 01573710). 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 Conewago Creek. Ramp data comes from the USGS national boat-ramp inventory.
- FalmouthSusquehanna RiverPublic
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Paste this snippet anywhere, an outfitter page, a club site, a trip report, to show Conewago Creek'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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