Meramec River near Sullivan water level

Name: Meramec River near Sullivan 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, Meramec River, Missouri, United States

Directions

Below flood stage

Water level

3.03ft Steady over the last 24 hours

Measured Oct 18, 2026, 06:30 PM CDT (1 hour ago)

Flow: 301 cfs

History

7 days

Water level Minor flood stage

What this means

The Meramec River near Sullivan is at 3.03 ft, in the normal range.

It is 7.97 ft below the flood stage of 11.00 ft.

The level has held steady over the past 24 hours. In the last month it has stayed between 2.98 ft and 3.04 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: 36.52 ftMay 1, 2017

Floating and fishing near Meramec River near Sullivan

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

Flood stage here is 11.00 ft, 7.97 ft above the current reading. Beyond it, the National Weather Service also defines moderate and major flood stages.

What happens at each level

34.00 ft: Near the entrance to Meramec State Park off Highway 185 west of the Meramec River bridge, this park access road near the visitor's center will begin flooding near this height.
29.00 ft: The main office at the Arapaho Campground begins flooding.
28.00 ft: Springer Road off of Sappington Bridge Road begins flooding near this height.
27.00 ft: Near this height, rooms at the Do Drift Inn at Ozark Outdoors Resort will begin flooding.
25.00 ft: Sappington Bridge boat access parking area and restroom begins flooding near this height.
22.00 ft: Near this height, Missouri Route W will be closed in both directions beyond Route JJ.
21.00 ft: Sappington Bridge Road just north of the Meramec River bridge begins flooding near this height.
18.50 ft: Near this height, Missouri Route N will be closed in both directions.
17.30 ft: The Onondaga Cave State Park picnic shelter begins flooding near this height.
17.00 ft: At this height the entire Arapaho campground will be under water.
15.60 ft: The basic loop of the Onondaga Cave State Park campground begins flooding near this height.
14.50 ft: At this height the Arapaho Campground will evacuate campers. This campground is about 8.5 river miles downstream from the gage. About 14.3 miles upstream of the gage...Cave Road access to Ozark Outdoors begins flooding near this height.
3.03 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: 31 %.

Rank	Level	Date
1	36.52 ft	May 1, 2017
2	33.50 ft	August 1, 1915
3	32.22 ft	December 4, 1982
4	32.00 ft	June 9, 1945
5	31.69 ft	March 20, 2008
6	31.48 ft	December 29, 2015
7	30.71 ft	November 6, 2024
8	29.23 ft	April 12, 1994
9	27.95 ft	November 19, 1985
10	27.50 ft	June 19, 1985

Weather at the gauge

Rain in the last 3 days: 0.03 in. Rain that falls upstream can take hours or days to show up at a river gauge.

18 Sun 65° 38° – Wind 5 mph

19 Mon 69° 43° – Wind 5 mph

20 Tue 76° 49° – Wind 5 mph

21 Wed 78° 51° – Wind 4 mph

22 Thu 79° 54° – Wind 5 mph

23 Fri 80° 55° – Wind 7 mph

24 Sat 80° 55° – Wind 8 mph

Forecast: Open-Meteo

Sunrise 07:18 AM Sunset 06:22 PM Daylight 11 hr, 5 min First quarter 54%

Map

Other gauges on the Meramec River

Gauge	Level	Compared with normal	24 hours	Distance
Meramec River at Cook StationRiver gauge, Meramec River	17.5 cfs	Very low	±0	29 mi
Meramec River near SteelvilleRiver gauge, Meramec River	1.32 ft	Below flood stage	±0	18 mi
Meramec River at PacificRiver gauge, Meramec River	−1.61 ft	Below flood stage	−0.04 ft	29 mi
Meramec River near EurekaRiver gauge, Meramec River	2.71 ft	Below flood stage	−0.02 ft	37 mi
Meramec River at Valley ParkRiver gauge, Meramec River	−2.81 ft	Below flood stage	−0.03 ft	43 mi
Meramec River at FentonRiver gauge, Meramec River	1.39 ft	Below flood stage	−0.05 ft	44 mi

Nearby gauges

Gauge	Level	Compared with normal	24 hours	Distance
Huzzah Creek near SteelvilleRiver gauge, Huzzah Creek	60.5 cfs	Normal	−3.0 cfs	14 mi
Bourbeuse River at UnionRiver gauge, Bourbeuse River	3.11 ft	Below flood stage	−0.01 ft	21 mi
Big River near RichwoodsRiver gauge, Big River	96.4 cfs	Low	−10.6 cfs	22 mi
Bourbeuse River near High GateRiver gauge, Bourbeuse River	3.27 ft	Below flood stage	−0.01 ft	26 mi
Missouri River at WashingtonRiver gauge, Missouri River	6.51 ft	Below flood stage	−0.42 ft	28 mi
Joachim Creek at De SotoRiver gauge, Joachim Creek	1.56 ft	Below flood stage	−0.01 ft	30 mi
Big River at ByrnesvilleRiver gauge, Big River	1.84 ft	Below flood stage	−0.01 ft	30 mi

Questions and answers

What is flood stage for the Meramec River near Sullivan?

The official flood stage is 11.00 ft. The level is currently 7.97 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 Meramec River near Sullivan today?

On Oct 18, 2026, 06:30 PM CDT, the water level was 3.03 ft. Steady over the last 24 hours.

Is Meramec River near Sullivan rising or falling?

Steady over the last 24 hours.

Is the level of Meramec River near Sullivan normal?

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

What is the highest water level ever recorded at Meramec River near Sullivan?

The highest level on record is 36.52 ft on May 1, 2017.

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:07014500 (Agency page)
Coordinates: 38.15853, -91.10847 (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	3.03 ft	2026-10-18 23:30	Provisional
Flow	301 cfs	2026-10-18 23:30	Provisional

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How to cite

U.S. Geological Survey: Meramec River near Sullivan (usgs:07014500). Accessed October 19, 2026 via Nivelmap, https://nivelmap.com/en/united-states/missouri/meramec-river-near-sullivan

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