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South Tyger River below Duncan water level

River gauge, South Tyger River, South Carolina, United States

Directions

Right now

Normal for mid-October

Water level

4.15ft Down 0.10 ft over the last 24 hours

Flow
43.4 cfs
5 10 15 Minor floodstage 17.00 ft Highest onrecord 16.68 ft

History

History
345ftOct 13Oct 14Oct 16Oct 17Oct 19345ftOct 13Oct 16Oct 19
46ftSep 20Sep 27Oct 4Oct 12Oct 1946ftSep 20Oct 4Oct 19
46ftOct 2025Jan 2026Apr 2026Jul 2026Oct 202646ftOct 2025Apr 2026Oct 2026
46ftJanMarMayJulSepNov202646ftJanAprJulOct2026

20252026

Water level Normal range (10–90 %) Minor flood stage

What this means

The South Tyger River below Duncan is at 4.15 ft, in the normal range for mid-October.

The median for mid-October is 3.93 ft, based on 23 years of readings, so the river stage is 0.22 ft above typical. It is 12.85 ft below the flood stage of 17.00 ft. On the same day last year the reading was 3.93 ft, a difference of +0.22 ft.

It has dropped 0.10 ft over the past 24 hours. In the last month it has stayed between 3.84 ft and 6.81 ft.

Fall is often low-water season on rivers, until steadier rain returns.

Compared with 23 years of daily readings for this time of year. How to read levels

Key numbers

Median for this date
3.93 ft0.22 ft above the median for this date
Normal for this date
2.99 ft – 5.03 ft8 years in 10 fall in this range (23 years of records)
Same day last year
3.93 ft+0.22 ft
Lowest and highest in 30 days
3.84 ft – 6.81 ft
Lowest and highest in 12 months
3.75 ft – 6.81 ft
Highest on record
16.68 ftJuly 7, 2005

Floating and fishing near South Tyger River below Duncan

Normal flows mean predictable rapids and good access at most put-ins.

Flood stage here is 17.00 ft, 12.85 ft above the current reading. Beyond it, the National Weather Service also defines moderate and major flood stages.

What happens at each level

25.00 ft
I-85 affected between highways 101 and 290 (approx MM 62)
17.00 ft
Homes off of Riverside Drive affected.
6.00 ft
6 inches of rain may be enough for Forrest Lake Dam to overtop and flood Forrest Lake Rd.
4.15 ft
Right now

Impact statements from the U.S. National Weather Service.

Highest crests on record

RankLevelDate
116.68 ftJuly 7, 2005
214.97 ftAugust 10, 2014
313.37 ftMarch 20, 2003
412.31 ftSeptember 15, 2002
512.24 ftSeptember 8, 2004
611.31 ftJanuary 25, 2010
710.90 ftSeptember 28, 2004
810.76 ftDecember 24, 2015
910.41 ftMarch 2, 2007
109.65 ftMay 9, 2012

Weather at the gauge

No rain in the last 3 days.

19 Mon 68° 39° – Wind 9 mph
20 Tue 74° 42° – Wind 9 mph
21 Wed 73° 47° – Wind 7 mph
22 Thu 76° 48° – Wind 6 mph
23 Fri 71° 47° – Wind 8 mph
24 Sat 66° 47° – Wind 13 mph
25 Sun 67° 43° – Wind 10 mph

Forecast: Open-Meteo

Sunrise 07:38 AM Sunset 06:50 PM Daylight 11 hr, 12 min First quarter 60%

Map

Nearby gauges

Gauge Level Compared with normal 24 hours Distance
Middle Tyger River near LymanRiver gauge, Middle Tyger River 1.96 ft Normal +0.02 ft 1.4 mi
North Tyger River at WellfordRiver gauge, North Tyger River 6.7 cfs Very low +0.2 cfs 3.9 mi
North Tyger River below WellfordRiver gauge, North Tyger River 5.76 ft High −0.04 ft 4.5 mi
North Tyger River near FairmontRiver gauge, North Tyger River 10.1 cfs Very low ±0 4.9 mi
Beaverdam Creek above GreerRiver gauge, Beaverdam Creek 1.26 ft Very low +0.01 ft 5.3 mi
Middle Tyger River below Lyman Lake, near GreerRiver gauge, Middle Tyger River 3.55 ft Low −0.04 ft 5.4 mi
Enoree River at PelhamRiver gauge, Enoree River 3.82 ft Low +0.02 ft 7 mi
Rocky Creek near Wade HamptonRiver gauge, Rocky Creek 837.58 ft Very low ±0 9 mi

Questions and answers

Is the South Tyger River below Duncan higher than last year?

Yes, it is 0.22 ft higher than on the same day last year, when the reading was 3.93 ft.

What is flood stage for the South Tyger River below Duncan?

The official flood stage is 17.00 ft. The level is currently 12.85 ft below it.

What is a normal level for the South Tyger River below Duncan in mid-October?

The median for mid-October is 3.93 ft. In 8 years out of 10 the reading falls between 2.99 ft and 5.03 ft, based on 23 years of records.

Is gage height the same as water depth?

No. Gage height is measured from a fixed reference point chosen by the agency, so a reading of 10 ft does not mean the river is 10 ft deep.

What is the water level of South Tyger River below Duncan today?

On Oct 19, 2026, 11:45 AM EDT, the water level was 4.15 ft. Down 0.10 ft over the last 24 hours.

Is South Tyger River below Duncan rising or falling?

Down 0.10 ft over the last 24 hours. Down 1.97 ft over the last 7 days.

Is the level of South Tyger River below Duncan normal?

Normal for mid-October. Compared with 23 years of daily readings for this time of year.

For specialists

Station codes, datum, parameters, data quality and downloads
Operator
U.S. Geological Survey
Station code
usgs:02158408 (Agency page)
Coordinates
34.92095, -82.13011 (WGS84)
Vertical datum
NAVD88
Update interval
every 15 minutes
Licence
Public domain. Data: U.S. Geological Survey (USGS), provisional data subject to revision

Published series

ParameterLast valueTime (UTC)Quality
Water level 4.15 ft 2026-10-19 15:45 Provisional
Flow 43.4 cfs 2026-10-19 15:45 Provisional

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How to cite

U.S. Geological Survey: South Tyger River below Duncan (usgs:02158408). Accessed October 19, 2026 via Nivelmap, https://nivelmap.com/en/united-states/south-carolina/south-tyger-river-below-duncan

How we check values

Each reading is stored as published. We hold back values that jump faster than physically plausible and show the measurement time with every value.