Brook NJ

Manalapan Brook

New Jersey • 40.2842, -74.3876

Hydrography profile Updated Dec 30, 2025

Checking mapped path coverage…

USGS and NOAA data is for informational purposes. Source notes

Length

22 mi

36 km

Elevation

182′ → 17′

165 ft drop

Stream Order

Medium River

Slope

0.14%

7.4 ft/mi

Drainage

32 mi²

84 km²

Avg Flow

-- cfs

1.1 mph velocity

Path to Mouth

56 mi

91 km to ocean

Classification

Tributary

Mid-reach

Elevation Profile

Water Quality

Data from EPA Water Quality Portal (USGS, EPA, state agencies).

Data from USGS & NOAA for informational purposes only. More