Big Sioux River At Lake Poinsett Inlet/Outlet (PONS2)
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Flood Stage: 1654 Feet
Latest Stage: 1650.92
Flood Categories (in feet)
Major Flood Stage: |
1657 |
Moderate Flood Stage: |
1655 |
Flood Stage: |
1654 |
Action Stage: |
1651.5 |
Low Stage (in feet): |
-9999 |
Historic Crests
(1) 1,657.60 ft on 04/05/2011
(2) 1,657.00 ft on 04/22/2019
(3) 1,656.44 ft on 07/17/2010
(4) 1,656.20 ft on 05/12/1997
(5) 1,655.50 ft on 05/02/2001
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(P): Preliminary values subject to further review.
Recent Crests
(1) 1,654.31 ft on 04/14/2020
(2) 1,657.00 ft on 04/22/2019
(3) 1,651.29 ft on 10/08/2015
(4) 1,652.04 ft on 05/12/2014
(5) 1,650.93 ft on 10/28/2013
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(P): Preliminary values subject to further review.
Low Water Records
Currently none available.
Big Sioux River Near Bruce (BRCS2)
Return to TopNOTE: No forecasts are available for this location
NOTE: Gauge reading may be affected by ice.
Flood Stage: 8 Feet
Latest Stage: 3.86
Vertical Datum updated from NGVD29 to NAVD88 by gauge owner.
Flood Categories (in feet)
Major Flood Stage: |
11.5 |
Moderate Flood Stage: |
9.5 |
Flood Stage: |
8 |
Action Stage: |
7 |
Low Stage (in feet): |
-9999 |
Historic Crests
(1) 11.56 ft on 03/29/2011
(2) 10.88 ft on 03/29/2019
(3) 10.75 ft on 03/24/2009
(4) 10.60 ft on 04/09/2001
(5) 10.46 ft on 06/25/2013
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(P): Preliminary values subject to further review.
Recent Crests
(1) 8.80 ft on 03/30/2020
(2) 10.88 ft on 03/29/2019
(3) 10.20 ft on 04/23/2018
(4) 8.01 ft on 02/21/2017
(5) 5.03 ft on 08/14/2016
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(P): Preliminary values subject to further review.
Low Water Records
Currently none available.
Big Sioux River Near Brookings (BRKS2)
Return to TopNOTE: River forecasts for this location take into account past precipitation and the precipitation amounts expected approximately 48 hours into the future from the forecast issuance time.
NOTE: Gauge reading may be affected by ice.
Flood Stage: 9 Feet
Latest Stage: 2.78
Vertical Datum updated from NGVD29 to NAVD88 by gauge owner.
Flood Categories (in feet)
Major Flood Stage: |
12 |
Moderate Flood Stage: |
10.5 |
Flood Stage: |
9 |
Action Stage: |
8 |
Low Stage (in feet): |
-9999 |
Historic Crests
(1) 14.77 ft on 04/09/1969
(2) 14.34 ft on 09/13/2019
(3) 13.70 ft on 06/22/1984
(4) 13.66 ft on 09/25/2010
(5) 13.50 ft on 07/04/1993
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(P): Preliminary values subject to further review.
Recent Crests
(1) 11.05 ft on 03/12/2020
(2) 14.34 ft on 09/13/2019
(3) 13.11 ft on 03/22/2019
(P)
(4) 12.30 ft on 04/24/2018
(5) 7.40 ft on 05/25/2017
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(P): Preliminary values subject to further review.
Low Water Records
Currently none available.
Big Sioux River At Flandreau (FLAS2)
Return to TopNOTE: No forecasts are available for this location
Flood Stage: 0 KCFS
Latest Flow: n/a
Flood Categories (in feet)
Major Flood Stage: |
15 |
Moderate Flood Stage: |
12 |
Flood Stage: |
11 |
Action Stage: |
9 |
Low Stage (in feet): |
-9999 |
Historic Crests
(1) 17.80 ft on 04/09/1969
(2) 15.30 ft on 09/12/2019
(3) 15.00 ft on 06/22/1984
(4) 14.20 ft on 06/17/1957
(5) 14.00 ft on 07/04/1993
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(P): Preliminary values subject to further review.
Recent Crests
(1) 15.30 ft on 09/12/2019
(2) 13.90 ft on 03/23/2011
(P)
(3) 12.20 ft on 03/17/2010
(4) 12.60 ft on 04/23/2001
(5) 13.60 ft on 04/03/1997
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(P): Preliminary values subject to further review.
Low Water Records
Currently none available.
Big Sioux River Near Dell Rapids (DERS2)
Return to TopNOTE: River forecasts for this location take into account past precipitation and the precipitation amounts expected approximately 48 hours into the future from the forecast issuance time.
NOTE: Gauge reading may be affected by ice.
Flood Stage: 12 Feet
Latest Stage: 3.11
Vertical Datum updated from NGVD29 to NAVD88 by gauge owner.
Flood Categories (in feet)
Major Flood Stage: |
15 |
Moderate Flood Stage: |
14 |
Flood Stage: |
12 |
Action Stage: |
11 |
Low Stage (in feet): |
-9999 |
Historic Crests
(1) 16.70 ft on 09/13/2019
(2) 16.47 ft on 04/09/1969
(3) 16.29 ft on 09/25/2010
(4) 16.02 ft on 03/15/2007
(5) 15.98 ft on 03/24/2019
(P)
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(P): Preliminary values subject to further review.
Recent Crests
(1) 13.38 ft on 03/14/2020
(2) 16.70 ft on 09/13/2019
(3) 15.98 ft on 03/24/2019
(P)
(4) 14.20 ft on 04/27/2018
(5) 9.37 ft on 05/24/2017
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(P): Preliminary values subject to further review.
Low Water Records
Currently none available.
Big Sioux River At Sioux Falls I-90 (SFLS2)
Return to TopNOTE: River forecasts for this location take into account past precipitation and the precipitation amounts expected approximately 48 hours into the future from the forecast issuance time.
NOTE: Gauge reading may be affected by ice.
Flood Stage: 12 Feet
Latest Stage: 5.24
Flood Categories (in feet)
Major Flood Stage: |
17 |
Moderate Flood Stage: |
15 |
Flood Stage: |
12 |
Action Stage: |
11 |
Low Stage (in feet): |
-9999 |
Historic Crests
(1) 19.80 ft on 04/10/1969
(2) 18.91 ft on 09/14/2019
(3) 16.92 ft on 03/26/2019
(P)
(4) 16.80 ft on 06/23/1984
(5) 16.32 ft on 04/07/1997
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(P): Preliminary values subject to further review.
Recent Crests
(1) 13.80 ft on 03/15/2020
(2) 18.91 ft on 09/14/2019
(3) 16.92 ft on 03/26/2019
(P)
(4) 16.30 ft on 04/28/2018
(5) 15.32 ft on 03/25/2011
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(P): Preliminary values subject to further review.
Low Water Records
Currently none available.
Big Sioux River At Sioux Falls Maple Street (SFMS2)
Return to TopNOTE: No forecasts are available for this location
NOTE: Gauge reading may be affected by ice.
Flood Stage: 15 Feet
Latest Stage: 2.23
Vertical Datum updated from NGVD29 to NAVD88 by gauge owner.
Flood Categories (in feet)
Major Flood Stage: |
21 |
Moderate Flood Stage: |
18 |
Flood Stage: |
15 |
Action Stage: |
14 |
Low Stage (in feet): |
-9999 |
Historic Crests
(1) 9.19 ft on 03/25/2019
(2) 7.59 ft on 05/17/2007
(3) 7.24 ft on 06/15/2014
(4) 6.99 ft on 05/09/2013
(5) 6.14 ft on 07/27/2011
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(P): Preliminary values subject to further review.
Recent Crests
(1) 5.44 ft on 06/09/2020
(2) 9.19 ft on 03/25/2019
(3) 5.78 ft on 07/30/2018
(4) 5.06 ft on 06/12/2017
(5) 5.41 ft on 03/30/2016
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(P): Preliminary values subject to further review.
Low Water Records
Currently none available.
Big Sioux River At Sioux Falls Western Avenue (WAVS2)
Return to TopNOTE: No forecasts are available for this location
NOTE: Gauge reading may be affected by ice.
Flood Stage: 8 Feet
Latest Stage: 1.28
Vertical Datum updated from NGVD29 to NAVD88 by gauge owner.