Thompson River at Trenton water level

Name: Thompson River at Trenton 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, Thompson River, Missouri, United States

Directions

Below flood stage

Water level

11.65ft Steady over the last 24 hours

Measured Oct 18, 2026, 02:45 PM CDT (46 min ago)

Flow: 920 cfs

History

7 days

Water level Minor flood stage

What this means

The Thompson River at Trenton is at 11.65 ft, in the normal range.

It is 15.35 ft below the flood stage of 27.00 ft.

It has barely moved over the past 24 hours. In the last month it has stayed between 11.64 ft and 11.79 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: 34.38 ftMay 29, 2019

Floating and fishing near Thompson River at Trenton

Normal flows mean predictable rapids and good access at most put-ins.

Flood stage here is 27.00 ft, 15.35 ft above the current reading. Beyond it, the National Weather Service also defines moderate and major flood stages.

What happens at each level

45.90 ft: Water overtops the Highway 6 bridge located one mile west of Trenton.
39.00 ft: Water reaches the low-steel of the Highway 6 bridge located one mile west of Trenton.
31.00 ft: Southwest 30th Avenue floods a quarter mile south of Highway 6. In addition, backwater flooding along Muddy Creek begins to affect Morningsun Drive in southeast Trenton.
30.00 ft: Backwater along the Weldon River causes flooding at Northwest 22nd Avenue and Route A north of Trenton.
28.00 ft: Low lying areas north of the gage are flooded.
11.65 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: 15 %.

Rank	Level	Date
1	34.38 ft	May 29, 2019
2	32.84 ft	September 10, 2014
3	32.46 ft	July 25, 2008
4	32.33 ft	June 6, 2010
5	31.52 ft	April 19, 2013
6	31.52 ft	June 25, 2008
7	31.44 ft	September 13, 2008
8	30.83 ft	May 26, 2019
9	30.81 ft	May 7, 2007
10	30.53 ft	June 5, 2014

Weather at the gauge

No rain in the last 3 days.

18 Sun 65° 36° – Wind 12 mph

19 Mon 68° 40° – Wind 8 mph

20 Tue 71° 46° – Wind 9 mph

21 Wed 73° 52° – Wind 8 mph

22 Thu 75° 55° – Wind 7 mph

23 Fri 76° 56° – Wind 13 mph

24 Sat 77° 59° – Wind 16 mph

Forecast: Open-Meteo

Sunrise 07:29 AM Sunset 06:32 PM Daylight 11 hr, 3 min First quarter 52%

Map

Other gauges on the Thompson River

Gauge	Level	Compared with normal	24 hours	Distance
Thompson River at Davis CityRiver gauge, Thompson River	1.78 ft	Below flood stage	−0.03 ft	40 mi

Nearby gauges

Gauge	Level	Compared with normal	24 hours	Distance
Medicine Creek near LaredoRiver gauge, Medicine Creek	38.7 cfs	Normal	−1.1 cfs	11 mi
Grand River near GallatinRiver gauge, Grand River	4.73 ft	Below flood stage	−0.13 ft	19 mi
Grand River at ChillicotheRiver gauge, Grand River	5.56 ft	Below flood stage	−0.10 ft	22 mi
Locust Creek near LinneusRiver gauge, Locust Creek	35.6 cfs	Normal	−2.6 cfs	24 mi
East Fork Big Creek near BethanyRiver gauge, East Fork Big Creek	6.8 cfs	Normal	±0	26 mi
Grand River near PattonsburgRiver gauge, Grand River	2.88 ft	Below flood stage	−0.03 ft	26 mi
Shoal Creek near BraymerRiver gauge, Shoal Creek	11.8 cfs	Normal	−3.7 cfs	27 mi
Grand River near Fountain GroveRiver gauge, Grand River	1,230 cfs	Normal	−40.0 cfs	31 mi

Questions and answers

What is flood stage for the Thompson River at Trenton?

The official flood stage is 27.00 ft. The level is currently 15.35 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 Thompson River at Trenton today?

On Oct 18, 2026, 02:45 PM CDT, the water level was 11.65 ft. Steady over the last 24 hours.

Is Thompson River at Trenton rising or falling?

Steady over the last 24 hours.

Is the level of Thompson River at Trenton normal?

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

What is the highest water level ever recorded at Thompson River at Trenton?

The highest level on record is 34.38 ft on May 29, 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:06899500 (Agency page)
Coordinates: 40.06931, -93.63803 (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	11.65 ft	2026-10-18 19:45	Provisional
Flow	920 cfs	2026-10-18 19:45	Provisional

Download

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How to cite

U.S. Geological Survey: Thompson River at Trenton (usgs:06899500). Accessed October 18, 2026 via Nivelmap, https://nivelmap.com/en/united-states/missouri/thompson-river-at-trenton

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