Cooper River in New Jersey
Around here
Around Cooper River
Data Source: Recreation.gov · Source: USGS GNIS · Public land: USGS PAD-US
About this river
Cooper River is a 10.8 mile stream. Streamflow is measured at the USGS gauge Cooper River at Haddonfield NJ (site 01467150). The National Hydrography Dataset places it at stream order 4. Reach geometry comes from the USGS National Hydrography Dataset.
Typical flow by month
1964 to 2025
Cooper River typically runs highest in March, at a median 26 cfs, and lowest in September, at 14 cfs. The highest flow on record for any single day is 1,510 cfs, in 1971.
Show the numbers
| Month | Typical (cfs) | Usual range (cfs) |
|---|---|---|
| January | 23 | 16 to 34 |
| February | 24 | 18 to 35 |
| March | 26 | 19 to 40 |
| April | 25 | 18 to 37 |
| May | 21 | 15 to 32 |
| June | 17 | 12 to 29 |
| July | 16 | 9.6 to 25 |
| August | 15 | 8.9 to 25 |
| September | 14 | 8.8 to 21 |
| October | 15 | 9.7 to 24 |
| November | 20 | 12 to 27 |
| December | 23 | 16 to 34 |
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 62 years of record. Statistics published by the US Geological Survey for Cooper River at Haddonfield NJ (site 01467150). Conditions on any given day can fall well outside the usual range. Check the current reading before you go.
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Paste this snippet anywhere, an outfitter page, a club site, a trip report, to show Cooper 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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