River stage
Hartwick, Walnut Creek
- River level
- 2.48 ft
- Status
- Below flood stage
- 7-day change
- -0.52 ft
- Recent high
- 6.88 ft
- Recent low
- 0.75 ft
Last reported 2026-10-13 | NWS HRTI4
- 30-day change
- +1.63 ft
- Average
- 1.80 ft
- Readings
- 122
- Data span
- 122 days
- Record crest
- 17.70 ft
In brief
The Walnut Creek at Hartwick, IA read 2.48 ft on Oct 13, 2026, 9.52 ft below action stage. That is 1.63 ft higher than 30 days earlier.
Source: National Weather Service gauge HRTI4
River level timeline
Stage threshold profile
Highest crests on record
Flood crests recorded at this gauge by the National Weather Service.
| Rank | Crest | Date |
|---|---|---|
| 1 | 17.70 ft | 1947-06-01 |
| 2 | 16.93 ft | 1991-04-29 |
| 3 | 16.92 ft | 2014-07-01 |
| 4 | 16.76 ft | 1993-08-29 |
| Rank | Crest | Date |
|---|---|---|
| 5 | 16.65 ft | 1983-07-02 |
| 6 | 16.30 ft | 1977-08-16 |
| 7 | 16.27 ft | 2019-03-13 |
| 8 | 16.20 ft | 2018-09-02 |
Frequently asked questions
Is the Walnut Creek flooding at Hartwick?
No. The Walnut Creek at Hartwick is at 2.48 ft, 9.52 ft below action stage.
What is the flood stage at Hartwick?
The National Weather Service sets action stage 12 ft and minor flooding 14 ft.
What is the highest the Walnut Creek has been at Hartwick?
The highest crest on record is 17.7 ft, on 1947-06-01.
Is the Walnut Creek high or low right now at Hartwick?
At 2.48 ft it is higher than 76% of readings over the last 122 days.
Stage and flood information from the NOAA National Weather Service (gauge HRTI4); daily history from the U.S. Geological Survey (site 05452200). Last reading 2026-10-13. For flood safety decisions always follow official National Weather Service warnings.