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Main Harbor Development

Pearl River near Main Harbor Development

River22.2 mi
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About this river

Pearl River is a 22.2 mile river near Main Harbor Development in Mississippi. Streamflow is measured at the USGS gauge Pearl River at Jackson, MS (site 02486000). The National Hydrography Dataset places it at stream order 8. Reach geometry comes from the USGS National Hydrography Dataset.

Typical flow by month

1962 to 2025

Pearl River typically runs highest in March, at a median 6,410 cfs, and lowest in October, at 313 cfs. The highest flow on record for any single day is 126,000 cfs, in 1979.

Typical flow by month at Pearl River at Jackson, MS, in cfs
MonthTypical (cfs)Usual range (cfs)Relative level
January5,3302,070 to 10,500
February6,2402,840 to 13,200
March6,4103,100 to 12,200
April4,9351,435 to 12,700
May1,360431 to 4,760
June503296 to 1,860
July386270 to 1,240
August364252 to 869
September325239 to 664
October313229 to 627
November657285 to 1,715
December2,570839 to 6,430

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 Pearl River at Jackson, MS (site 02486000). Conditions on any given day can fall well outside the usual range. Check the current reading before you go.

Boat access nearby

3 mapped launches sit in the mapped area of Pearl River, all of them public access. Ramp data comes from the USGS national boat-ramp inventory.

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A river reach selected out of the mapped river network in the Boating Hubs app

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