Monona-Harrison Ditch near Turin water level

Name: Monona-Harrison Ditch near Turin 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, Monona-Harrison Ditch, Iowa, United States

Directions

Below flood stage

Water level

4.79ft Steady over the last 24 hours

Measured Oct 20, 2026, 04:00 PM CDT (48 min ago)

Flow: 153 cfs

History

7 days

Water level Minor flood stage

What this means

The gauge at Monona-Harrison Ditch near Turin reads 4.79 ft, a normal level.

It is 18.21 ft below the flood stage of 23.00 ft.

The level has held steady over the past 24 hours. Over the past 30 days it has moved between 4.74 ft and 4.90 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

Highest on record: 26.12 ftMarch 15, 2019

What the stage means on the water

A normal level is usually prime time for floating and wade fishing, as long as the weather holds upstream.

The National Weather Service puts flood stage for this gauge at 23.00 ft, still 18.21 ft away.

What happens at each level

29.50 ft: Water reaches the bottom of the bridge at the gage site.
28.00 ft: Widespread flooding of agricultural community would occur across the entire basin in which the Monona-Harrison Ditch as well as the Little Sioux River run. Both water channels run parallel with one another across most of Monona County and the northwest corner of Harrison County before joining the Missouri River.
25.00 ft: Water overtops the levee system causing flooding of only surrounding agricultural fields and may overrun part of County HWY E54.
23.00 ft: Water overtops the natural banks indicative of minor flooding but remains within the levee.
4.79 ft: Right now

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

Highest crests on record

Rank	Level	Date
1	26.12 ft	March 15, 2019
2	24.80 ft	June 18, 1984
3	22.94 ft	March 18, 1986
4	22.61 ft	June 22, 1996
5	21.90 ft	March 19, 1978
6	21.49 ft	June 23, 2014
7	21.30 ft	April 22, 1985
8	20.95 ft	March 20, 1979
9	20.80 ft	February 19, 1994
10	20.48 ft	March 27, 1993

Weather at the gauge

Rain in the last 3 days: 0.82 in. Rain that falls upstream can take hours or days to show up at a river gauge.

17 Sat 61° 32° – Wind 19 mph

18 Sun 66° 43° – Wind 20 mph

19 Mon 66° 45° – Wind 13 mph

20 Tue 69° 49° – Wind 14 mph

21 Wed 74° 56° 0.02 in Wind 15 mph

22 Thu 76° 57° – Wind 12 mph

23 Fri 78° 63° – Wind 21 mph

Forecast: Open-Meteo

Sunrise 07:43 AM Sunset 06:36 PM Daylight 10 hr, 53 min Waxing gibbous 71%

Map

Nearby gauges

Gauge	Level	Compared with normal	24 hours	Distance
Little Sioux River near TurinRiver gauge, Little Sioux River	8.36 ft	Below flood stage	+0.08 ft	1.0 mi
Soldier River at PisgahRiver gauge, Soldier River	3.08 ft	Below flood stage	−0.03 ft	10 mi
Missouri River at DecaturRiver gauge, Missouri River	19.14 ft	Below flood stage	−0.06 ft	13 mi
Willow Creek near SoldierRiver gauge, Willow Creek	65.55 ft	Below flood stage	−0.01 ft	15 mi
Maple River at MapletonRiver gauge, Maple River	5.17 ft	Below flood stage	−0.06 ft	16 mi
Blackbird Creek near MacyRiver gauge, Blackbird Creek	5.16 ft	Below flood stage	+0.01 ft	19 mi
South Blackbird Creek at Hwy 75 near MacyRiver gauge, South Blackbird Creek	5.36 ft	Below flood stage	−0.01 ft	20 mi
North Blackbird Creek at Hwy 75 at MacyRiver gauge, North Blackbird Creek	7.87 ft	Below flood stage	−0.01 ft	21 mi

Questions and answers

What is flood stage for Monona-Harrison Ditch near Turin?

The official flood stage is 23.00 ft. The level is currently 18.21 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 Monona-Harrison Ditch near Turin today?

On Oct 20, 2026, 04:00 PM CDT, the water level was 4.79 ft. Steady over the last 24 hours.

Is Monona-Harrison Ditch near Turin rising or falling?

Steady over the last 24 hours.

Is the level of Monona-Harrison Ditch near Turin normal?

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

What is the highest water level ever recorded at Monona-Harrison Ditch near Turin?

The highest level on record is 26.12 ft on March 15, 2019.

How often is this data updated?

The U.S. Geological Survey publishes a new reading every 15 minutes. This page refreshes within minutes of each update.

For specialists

Station codes, datum, parameters, data quality and downloads

Operator: U.S. Geological Survey
Station code: usgs:06602400 (Agency page)
Coordinates: 41.96492, -95.99175 (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	4.79 ft	2026-10-20 21:00	Provisional
Flow	153 cfs	2026-10-20 21:00	Provisional

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How to cite

U.S. Geological Survey: Monona-Harrison Ditch near Turin (usgs:06602400). Accessed October 20, 2026 via Nivelmap, https://nivelmap.com/en/united-states/iowa/monona-harrison-ditch-near-turin

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