Around here
Around Rockaway River
Data Source: Recreation.gov · Source: USGS GNIS · Source: National Park Service. No claim to original U.S. Government works. · Public land: USGS PAD-US · Forest roads: USDA Forest Service MVUM · BLM routes and areas: Bureau of Land Management (simplified for web display)
About this river
Rockaway River is a 38.2 mile river near FLG X Adventure Course - New Jersey in New Jersey. Streamflow is measured at the USGS gauge Rockaway River at Main Street at Boonton NJ (site 01380450). The National Hydrography Dataset places it at stream order 6. Reach geometry comes from the USGS National Hydrography Dataset.
Typical flow by month
1938 to 2026
Rockaway River typically runs highest in March, at a median 321 cfs, and lowest in September, at 58 cfs. The highest flow on record for any single day is 5,100 cfs, in 2011.
Show the numbers
| Month | Typical (cfs) | Usual range (cfs) |
|---|---|---|
| January | 197 | 123 to 324 |
| February | 218 | 140 to 330 |
| March | 321 | 222 to 478 |
| April | 298 | 193 to 471 |
| May | 216 | 142 to 344 |
| June | 113 | 76 to 202 |
| July | 75 | 44 to 131 |
| August | 64 | 35 to 117 |
| September | 58 | 34 to 108 |
| October | 75 | 47 to 143 |
| November | 135 | 84 to 250 |
| December | 198 | 124 to 364 |
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 89 years of record. Statistics published by the US Geological Survey for Rockaway River at Main Street at Boonton NJ (site 01380450). Conditions on any given day can fall well outside the usual range. Check the current reading before you go.
Made to print
Put Rockaway 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 Rockaway 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.






