St. Marys River at Pleasant Mills water level

Name: St. Marys River at Pleasant Mills 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, St. Marys River, Indiana, United States

Directions

Normal for mid-October

Water level

4.09ft Down 0.04 ft over the last 24 hours

Measured Oct 19, 2026, 10:00 PM EDT (40 min ago)

Flow: 51.9 cfs

History

7 days

Water level

What this means

Water levels are unremarkable at St. Marys River at Pleasant Mills, where the gauge shows 4.09 ft.

It is still going down, by 0.04 ft over the past 24 hours. The 30-day range is 4.09 ft – 4.16 ft.

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

Compared with 5 years of daily readings for this time of year. How to read levels

Paddling and fishing conditions

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

Weather at the gauge

Rain in the last 3 days: 0.16 in. Rain that falls upstream can take hours or days to show up at a river gauge.

17 Sat 51° 37° – Wind 15 mph

18 Sun 58° 35° – Wind 10 mph

19 Mon 65° 37° – Wind 5 mph

20 Tue 66° 46° – Wind 7 mph

21 Wed 66° 46° – Wind 6 mph

22 Thu 66° 45° – Wind 5 mph

23 Fri 68° 48° – Wind 7 mph

Forecast: Open-Meteo

Sunrise 07:57 AM Sunset 06:53 PM Daylight 10 hr, 56 min First quarter 64%

Map

Other gauges on the St. Marys River

Gauge	Level	Compared with normal	24 hours	Distance
St. Marys River at Rockford OHRiver gauge, St. Marys River	1.66 ft	Below flood stage	±0	12 mi
St. Marys River at DecaturRiver gauge, St. Marys River	3.25 ft	Below flood stage	±0	7 mi
St. Marys River near Fort WayneRiver gauge, St. Marys River	1.14 ft	Below flood stage	−0.04 ft	20 mi
St. Marys River at Main St. at Fort WayneRiver gauge, St. Marys River	89.4 cfs	Normal	−21.6 cfs	26 mi

Nearby gauges

Gauge	Level	Compared with normal	24 hours	Distance
St Marys River at Walcot Street at Willshire OHRiver gauge, St Marys River	38.0 cfs	Normal	±0	3.5 mi
Wabash River at Linn GroveRiver gauge, Wabash River	4.98 ft	Below flood stage	−0.02 ft	14 mi
Wabash River at BlufftonRiver gauge, Wabash River	1.84 ft	Below flood stage	+0.02 ft	17 mi
Maumee River at New HavenRiver gauge, Maumee River	3.37 ft	Below flood stage	−0.06 ft	23 mi
Maumee River at Fort WayneRiver gauge, Maumee River	2.11 ft	Below flood stage	−0.03 ft	25 mi
Salamonie River at PortlandRiver gauge, Salamonie River	2.16 ft	Below flood stage	+0.02 ft	26 mi

Questions and answers

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 St. Marys River at Pleasant Mills today?

On Oct 19, 2026, 10:00 PM EDT, the water level was 4.09 ft. Down 0.04 ft over the last 24 hours.

Is St. Marys River at Pleasant Mills rising or falling?

Down 0.04 ft over the last 24 hours.

Is the level of St. Marys River at Pleasant Mills normal?

Normal for mid-October. Compared with 5 years of daily readings for this time of year.

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.

Where does this data come from?

The values come directly from the U.S. Geological Survey, the official operator of this gauge, and are in the public domain. We do not estimate or model live values.

For specialists

Station codes, datum, parameters, data quality and downloads

Operator: U.S. Geological Survey
Station code: usgs:04181120 (Agency page)
Coordinates: 40.77944, -84.84236 (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	4.09 ft	2026-10-20 02:00	Provisional
Flow	51.9 cfs	2026-10-20 02:00	Provisional

Download

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How to cite

U.S. Geological Survey: St. Marys River at Pleasant Mills (usgs:04181120). Accessed October 20, 2026 via Nivelmap, https://nivelmap.com/en/united-states/indiana/st-marys-river-at-pleasant-mills

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