South River near Ackworth

Last updated: Jul 20, 2025, 8:03 AM UTC

Flood Impacts 🅘

  • 33 - Water affects 168th Ave near the bridge over the river.
  • 31.8 - Water affects Iowa 92 east of Ackworth.
  • 31 - Water reaches the underside of the bridge at 168th Ave.
  • 30 - Water affects portions of Iowa 92 and many other rural county roads. Widespread agricultural flooding occurs.
  • 28.6 - Water is over Iowa 92 between mile markers 137.5 and 139.
  • 26 - Road closures are possible near creeks adjoining the river.
  • 19 - Water affects lowlands.

Gauge Info

Coordinates 41.3379, -93.4864
RFC NCRFC
State IA
WFO DMX
County Warren
Data Provider(s)
USGS 05487470

Gauge Location

Recent Crests

1. 22.68 ft on 05-20-2024
2. 11.45 ft on 02-27-2023
3. 15.24 ft on 05-03-2022
4. 18.36 ft on 04-08-2021
5. 19.43 ft on 03-20-2020
6. 24.06 ft on 05-28-2019
7. 15.63 ft on 09-04-2018
8. 16.87 ft on 04-05-2017
9. 24.27 ft on 12-14-2015
10. 31.87 ft on 06-25-2015

Historic Crests

1. 32.85 ft on 07-05-1981
2. 32.00 ft on 07-16-1982
3. 31.87 ft on 06-25-2015
4. 31.57 ft on 07-29-2008
5. 31.25 ft on 06-17-1990
6. 30.02 ft on 07-06-1993
7. 29.91 ft on 09-10-2014
8. 29.55 ft on 08-27-1987
9. 29.07 ft on 06-10-1974
10. 28.42 ft on 05-07-2007

Low Water Records

Vertical Datum Table

type NAVD88 NGVD29
major Flooding 801.84 ft801.97 ft
moderate Flooding 799.84 ft799.97 ft
minor Flooding 798.84 ft798.97 ft
action 795.84 ft795.97 ft
Latest Value 775.20 ft775.33 ft
Gauge Zero 769.84 ft769.97 ft

Gauge Photos

No Images Found

Probability Information

Photo 1 of 3

Collaborative Agencies

The National Weather Service prepares its forecasts and other services in collaboration with agencies like the US Geological Survey, US Bureau of Reclamation, US Army Corps of Engineers, Natural Resource Conservation Service, National Park Service, ALERT Users Group, Bureau of Indian Affairs, and many state and local emergency managers across the country. For details, please click here.

WFO Information

Weather Forecast Office
Des Moines
9607 NW Beaver Dr.
Des Moines, IA 50131
Official Homepage