About this river
Broad River is a 4.7 mile river near Boat Rentals of Lake Wylie in South Carolina. Streamflow is measured at the USGS gauge Broad River below Ninetynine Island Reservoir, SC (site 02153551). The National Hydrography Dataset places it at stream order 7. Reach geometry comes from the USGS National Hydrography Dataset.
Typical flow by month
1999 to 2026
Broad River typically runs highest in March, at a median 1,990 cfs, and lowest in October, at 926 cfs. The highest flow on record for any single day is 84,600 cfs, in 2024.
| Month | Typical (cfs) | Usual range (cfs) | Relative level |
|---|---|---|---|
| January | 1,890 | 1,270 to 2,930 | |
| February | 1,800 | 1,310 to 2,890 | |
| March | 1,990 | 1,520 to 2,860 | |
| April | 1,945 | 1,505 to 2,885 | |
| May | 1,660 | 1,240 to 2,400 | |
| June | 1,270 | 841 to 2,125 | |
| July | 1,020 | 675 to 1,610 | |
| August | 1,030 | 560 to 1,730 | |
| September | 956 | 569 to 1,615 | |
| October | 926 | 618 to 1,570 | |
| November | 1,150 | 749 to 1,900 | |
| December | 1,540 | 1,020 to 2,750 |
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 27 years of record. Statistics published by the US Geological Survey for Broad River below Ninetynine Island Reservoir, SC (site 02153551). Conditions on any given day can fall well outside the usual range. Check the current reading before you go.
Boat access nearby
One mapped launch sits in the mapped area of Broad River. Ramp data comes from the USGS national boat-ramp inventory.
Embed this gauge on your site
Paste this snippet anywhere, an outfitter page, a club site, a trip report, to show Broad 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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