TidalMapCatoctin Creek near Middletown, MD Water Level Today
NWS river forecast
| When | Stage | Flow |
|---|
Forecast from the NOAA National Water Prediction Service. Issued a few times a day and only while a forecast is active. Not for navigation.
Last 30 days
About this gauge
USGS gauge 01637500 sits on Catoctin Creek and reads everything draining 67 square miles of the Middle Potomac-Catoctin basin. Its datum sits 376 feet above sea level NAVD88. Daily flow has been on record here since 1947, 79 years of it.
Where this gauge sits in the drainage
No gauged site sits above this one on the mainstem, so this is the first published reading on the river. Downstream the next reading comes from Potomac River at Point of Rocks, MD at 9,651 square miles, so what passes this gauge is about 1% of the water measured there. Water passing here goes on to Potomac River at Edwards Ferry near Poolesville,md.
Normal flows here
Catoctin Creek runs a median of 40 cfs at this gauge across 79 years of record. March is the fullest month at a median 105 cfs, and September the leanest at 7.8 cfs. The highest daily mean on record is 4,880 cfs in 1977, and the lowest is 0.0 cfs in 1966.
| Month | Median flow | Share of annual median |
|---|---|---|
| Jan | 62 cfs | 155% |
| Feb | 80 cfs | 200% |
| Mar | 105 cfs | 262% |
| Apr | 92 cfs | 231% |
| May | 67 cfs | 168% |
| Jun | 32 cfs | 81% |
| Jul | 16 cfs | 40% |
| Aug | 11 cfs | 28% |
| Sep | 7.8 cfs | 19% |
| Oct | 11 cfs | 28% |
| Nov | 24 cfs | 60% |
| Dec | 49 cfs | 123% |
Medians from the USGS daily-statistics record, 1947 to 2026. A month at 100% is running at its own long-term median.
Flood stages and record crests
Catoctin Creek reaches flood stage at this gauge at 15 feet. NWS starts watching it at 10 feet. The highest crest on record is 14.1 feet, in October 1976.
| Category | Gage height |
|---|---|
| Action | 10 ft |
| Minor flooding | 15 ft |
| Moderate flooding | 20 ft |
| Major flooding | 25 ft |
| When | Crest |
|---|---|
| October 1976 | 14.1 ft |
| June 2006 | 12.3 ft |
| June 1972 | 12.3 ft |
| January 1996 | 11.7 ft |
| October 2012 | 11.5 ft |
Flood categories and crest history from the NOAA National Water Prediction Service, gauge MDLM2. Stages are gage height, not depth. Not for navigation.
Nearby river gauges
- Fishing Creek at Mountaindale, MD
- Potomac River at Burkittsville Rd at Brunswick, MD
- Potomac River at Point of Rocks, MD
- Catoctin Creek at Taylorstown, VA
- Monocacy River at Monocacy Blvd at Frederick, MD
- Antietam Creek near Sharpsburg, MD
- Monocacy River at Jug Bridge near Frederick, MD
- Linganore Creek at Linganore Rd near Frederick, MD
- Piney Run near Lovettsville, VA
- Bennett Creek at Park Mills, MD
- Potomac River at Harpers Ferry, WV
- Monocacy River near Dickerson, MD
Live streamflow and gage height: USGS gauge 01637500. Percentile context computed against the gauge's period of record. Not for navigation.
Open Catoctin Creek near Middletown, MD on the live chart →
River pins, dam-release overlays and wadability lines live in the app, start a free TidalMap trial.