Whippany River in New Jersey
Around here
Around Whippany River
- Great Swamp National Wildlife RefugeRecreation area8 mi (opens in a new tab)
- Liberty Island Information CenterVisitor center22.6 mi (opens in a new tab)
- Ellis Island Part of Statue of Liberty National MonumentRecreation area22.7 mi (opens in a new tab)
- Statue Of Liberty National MonumentRecreation area22.7 mi (opens in a new tab)
Data Source: Recreation.gov · Source: USGS GNIS · Public land: USGS PAD-US
About this river
Whippany River is an 18.7 mile river. Streamflow is measured at the USGS gauge Whippany River near Morristown NJ (site 01381400). The National Hydrography Dataset places it at stream order 6. Reach geometry comes from the USGS National Hydrography Dataset.
Typical flow by month
1995 to 2023
Whippany River typically runs highest in March, at a median 32 cfs, and lowest in September, at 6.8 cfs. The highest flow on record for any single day is 1,460 cfs, in 2011.
Show the numbers
| Month | Typical (cfs) | Usual range (cfs) |
|---|---|---|
| January | 20 | 13 to 37 |
| February | 23 | 15 to 35 |
| March | 32 | 20 to 44 |
| April | 28 | 19 to 43 |
| May | 23 | 16 to 33 |
| June | 15 | 11 to 24 |
| July | 9.5 | 6.9 to 15 |
| August | 8.2 | 5.0 to 12 |
| September | 6.8 | 4.7 to 12 |
| October | 8.4 | 6.3 to 16 |
| November | 12 | 7.5 to 23 |
| December | 18 | 9.5 to 40 |
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 28 years of record. Statistics published by the US Geological Survey for Whippany River near Morristown NJ (site 01381400). Conditions on any given day can fall well outside the usual range. Check the current reading before you go.
Embed this gauge on your site
Paste this snippet anywhere, an outfitter page, a club site, a trip report, to show Whippany 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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