Heart River near Mandan water level

Name: Heart River near Mandan water level (U.S. Geological Survey)
Creator: U.S. Geological Survey
License: https://www.usgs.gov/information-policies-and-instructions/copyrights-and-credits

River gauge, Heart River, North Dakota, United States

Directions

Below flood stage

Water level

8.86ft Steady over the last 24 hours

Measured Oct 20, 2026, 09:15 AM CDT (50 min ago)

Flow: 21.4 cfs

History

7 days 30 days 1 year Years compared

20252026

Water level Minor flood stage

What this means

Water levels are unremarkable at Heart River near Mandan, where the gauge shows 8.86 ft.

It is 18.14 ft below the flood stage of 27.00 ft. A year ago it stood at 9.36 ft (−0.50 ft).

The level has held steady over the past 24 hours. The 30-day range is 8.83 ft – 9.35 ft.

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

Judged against the official flood stage for this gauge. How to read levels

Key numbers

Same day last year: 9.36 ft−0.50 ft
Lowest and highest in 30 days: 8.83 ft – 9.35 ft
Lowest and highest in 12 months: 8.80 ft – 16.09 ft
Highest on record: 35.75 ftApril 4, 1952

Paddling and fishing conditions

Most paddlers and anglers will find the river in good shape at this stage.

For reference, flood stage is 27.00 ft.

What happens at each level

38.00 ft: Town of Mandan will flood due to levees being overtopped at this level.
27.00 ft: Wooded banks and lowlands west of Mandan will flood above 17 feet.
8.86 ft: Right now

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

Highest crests on record

Chance of at least minor flooding in October to December: < 5 %.

Rank	Level	Date
1	35.75 ft	April 4, 1952
2	35.38 ft	March 22, 1987
3	34.85 ft	March 25, 1978
4	34.70 ft	March 27, 1943
5	34.35 ft	March 28, 1951
6	34.21 ft	March 23, 1997
7	34.07 ft	March 24, 2009
8	34.05 ft	March 14, 1972
9	33.89 ft	March 30, 1982
10	33.82 ft	March 24, 2019

Weather at the gauge

No rain in the last 3 days.

20 Tue 70° 38° – Wind 11 mph

21 Wed 62° 39° – Wind 11 mph

22 Thu 78° 48° – Wind 10 mph

23 Fri 74° 62° 0.00 in Wind 17 mph

24 Sat 69° 46° – Wind 22 mph

25 Sun 46° 37° – Wind 15 mph

26 Mon 46° 31° – Wind 16 mph

Forecast: Open-Meteo

Sunrise 08:09 AM Sunset 06:49 PM Daylight 10 hr, 40 min First quarter 69%

Map

Other gauges on the Heart River

Gauge	Level	Compared with normal	24 hours	Distance
Heart River near RichardtonRiver gauge, Heart River	3.85 ft	Very low	−0.01 ft	63 mi
Heart River above Lake Tschida near Glen UllinRiver gauge, Heart River	2.42 ft	Very low	−0.02 ft	54 mi
Heart River at Stark Bridge near JudsonRiver gauge, Heart River	1.80 ft	Very low	−0.03 ft	14 mi

Nearby gauges

Gauge	Level	Compared with normal	24 hours	Distance
Missouri River at BismarckRiver gauge, Missouri River	3.70 ft	Normal	−0.10 ft	7 mi
Missouri River below MandanRiver gauge, Missouri River	18.75 ft	Very low	+0.03 ft	9 mi
Drain on Wachter Ave at BismarckRiver gauge, Drain on Wachter Ave	26.18 ft	Low	±0	10 mi
Missouri River near SchmidtRiver gauge, Missouri River	11.88 ft	Low	−0.06 ft	17 mi
Missouri River at PriceRiver gauge, Missouri River	16.94 ft	Very low	−0.02 ft	17 mi
Square Butte Creek below CenterRiver gauge, Square Butte Creek	1.06 ft	Low	±0	19 mi
Missouri River at WashburnRiver gauge, Missouri River	7.91 ft	Very low	+0.08 ft	32 mi
Cannonball River at BreienRiver gauge, Cannonball River	1.76 ft	Very low	+0.01 ft	32 mi

Questions and answers

How does the Heart River near Mandan compare with last year?

It is 0.50 ft lower than on the same day last year, when the reading was 9.36 ft.

What is flood stage for the Heart River near Mandan?

The official flood stage is 27.00 ft. The level is currently 18.14 ft below it.

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 Heart River near Mandan today?

On Oct 20, 2026, 09:15 AM CDT, the water level was 8.86 ft. Steady over the last 24 hours.

Is Heart River near Mandan rising or falling?

Steady over the last 24 hours. Steady over the last 7 days.

Is the level of Heart River near Mandan normal?

Below flood stage. Judged against the official flood stage for this gauge.

What is the highest water level ever recorded at Heart River near Mandan?

The highest level on record is 35.75 ft on April 4, 1952.

For specialists

Station codes, datum, parameters, data quality and downloads

Operator: U.S. Geological Survey
Station code: usgs:06349000 (Agency page)
Coordinates: 46.83389, -100.97417 (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

Parameter	Last value	Time (UTC)	Quality
Water level	8.86 ft	2026-10-20 14:15	Provisional
Flow	21.4 cfs	2026-10-20 14:15	Provisional

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How to cite

U.S. Geological Survey: Heart River near Mandan (usgs:06349000). Accessed October 20, 2026 via Nivelmap, https://nivelmap.com/en/united-states/north-dakota/heart-river-near-mandan

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.

Readings are provisional, can be delayed or wrong and are not a flood warning. Read the disclaimer