River Conditions
Illustrated map of Angostura Reservoir

River stage

Hill City, Spring Creek

River level
4.04 ft
Status
Below flood stage
7-day change
+0.00 ft
Recent high
4.06 ft
Recent low
4.04 ft

Last reported 2026-10-13 | NWS TDFS2

30-day change
+0.00 ft
Average
4.04 ft
Readings
122
Data span
122 days
Record crest
8.23 ft

In brief

The Spring Creek at Hill City, SD read 4.04 ft on Oct 13, 2026, 1.46 ft below action stage. That is unchanged from 30 days earlier.

Source: National Weather Service gauge TDFS2

River level timeline

3.43.74.04.44.7SEP 13SEP 18SEP 23SEP 28OCT 03OCT 08OCT 13HIGH 4.06LOW 4.044.04 ftLAST READING

Stage threshold profile

Action stage 5.50 ftMinor flooding 6.50 ftModerate flooding 7.00 ftMajor flooding 8.00 ft CURRENT 4.04 ft

Highest crests on record

RankCrestDate
1 8.23 ft 1998-06-18
2 7.26 ft 2019-05-28
3 7.22 ft 2015-05-28
4 6.71 ft 2010-05-25
5 6.26 ft 2014-06-27
6 6.20 ft 2011-05-30
7 5.90 ft 1999-08-01
8 5.61 ft 2018-07-18

Flood crests recorded at this gauge by the National Weather Service.

What happens at each level

  1. 5.50 ft

    Action Stage. The lowest areas along the river begin to flood.

  2. 6.00 ft

    Creek begins to spread out across most of the right bank causing flooding of low-lying areas downstream from the gage.

  3. 6.50 ft

    Minor Flood Stage. Banks begin to overflow. Minor flooding may begin to occur downstream.

  4. 7.00 ft

    Moderate Flood Stage. Some inundation of structures and roads are possible.

  5. 8.00 ft

    Major Flood Stage. Extensive flooding with inundation of structures and roads.

Written by the local National Weather Service forecast office for this exact gauge.

Frequently asked questions

Is the Spring Creek flooding at Hill City?

No. The Spring Creek at Hill City is at 4.04 ft, 1.46 ft below action stage.

What is the flood stage at Hill City?

The National Weather Service sets action stage 5.5 ft, minor flooding 6.5 ft, moderate flooding 7 ft and major flooding 8 ft.

What is the highest the Spring Creek has been at Hill City?

The highest crest on record is 8.23 ft, on 1998-06-18.

Is the Spring Creek high or low right now at Hill City?

At 4.04 ft it is higher than 0% of readings over the last 122 days.

Stage and flood information from the NOAA National Weather Service (gauge TDFS2); daily history from the U.S. Geological Survey (site 06406700). Last reading 2026-10-13. For flood safety decisions always follow official National Weather Service warnings.