Nivelmap
EN

Copper Slough at Champaign water level

River gauge, Copper Slough, Illinois, United States

Directions

Right now

Normal for mid-October

Water level

9.92ft Steady over the last 24 hours

Flow
2.2 cfs
10 15 Highest onrecord 18.17 ft

History

History
10.010.511.0ftOct 12Oct 13Oct 15Oct 16Oct 1810.010.511.0ftOct 12Oct 15Oct 18
10.010.511.0ftSep 19Sep 26Oct 3Oct 11Oct 1810.010.511.0ftSep 19Oct 3Oct 18
1012ftOct 2025Jan 2026Apr 2026Jul 2026Oct 20261012ftOct 2025Apr 2026Oct 2026
1012ftJanMarMayJulSepNov20261012ftJanAprJulOct2026

20252026

Water level Normal range (10–90 %)

What this means

The gauge at Copper Slough at Champaign reads 9.92 ft, a normal level for mid-October.

That puts it 0.04 ft below the median of 9.96 ft for mid-October, based on 21 years of readings. A year ago it stood at 10.06 ft (−0.14 ft).

The level has held steady over the past 24 hours. Over the past 30 days it has moved between 9.89 ft and 10.39 ft.

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

Compared with 21 years of daily readings for this time of year. How to read levels

Key numbers

Median for this date
9.96 ft0.04 ft below the median for this date
Normal for this date
9.78 ft – 10.91 ft8 years in 10 fall in this range (21 years of records)
Same day last year
10.06 ft−0.14 ft
Lowest and highest in 30 days
9.89 ft – 10.39 ft
Lowest and highest in 12 months
9.77 ft – 13.56 ft
Highest on record
18.17 ftJuly 12, 2014

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.

Highest crests on record

RankLevelDate
118.17 ftJuly 12, 2014
217.49 ftSeptember 14, 2008
316.82 ftMay 15, 2009
416.47 ftJune 16, 2025
516.21 ftJune 25, 2013
615.95 ftFebruary 20, 2018
715.91 ftAugust 15, 2026
815.84 ftAugust 14, 2026
915.70 ftJune 25, 2015
1015.45 ftSeptember 19, 2015

Weather at the gauge

Rain in the last 3 days: 0.56 in. Rain that falls upstream can take hours or days to show up at a river gauge.

18 Sun 63° 34° – Wind 13 mph
19 Mon 68° 39° – Wind 6 mph
20 Tue 69° 49° – Wind 6 mph
21 Wed 71° 49° – Wind 6 mph
22 Thu 73° 52° – Wind 5 mph
23 Fri 74° 53° – Wind 8 mph
24 Sat 76° 55° – Wind 13 mph

Forecast: Open-Meteo

Sunrise 07:07 AM Sunset 06:11 PM Daylight 11 hr, 3 min First quarter 50%

Map

Nearby gauges

Gauge Level Compared with normal 24 hours Distance
Boneyard Creek below 6th Street at ChampaignRiver gauge, Boneyard Creek 11.38 ft Normal −0.01 ft 4.2 mi
Boneyard Creek at UrbanaRiver gauge, Boneyard Creek 10.25 ft Normal −0.02 ft 4.4 mi
Boneyard Creek at Lincoln Ave at UrbanaRiver gauge, Boneyard Creek 7.49 ft Normal ±0 4.7 mi
Saline Branch above 1700E near UrbanaRiver gauge, Saline Branch 0.44 ft Low −0.01 ft 9 mi
Sangamon River at FisherRiver gauge, Sangamon River 4.70 ft Normal +0.02 ft 15 mi
Salt Fork near St. JosephRiver gauge, Salt Fork 3.22 ft Normal −0.02 ft 15 mi
Spoon River near St. JosephRiver gauge, Spoon River 4.20 ft High ±0 15 mi
Sangamon River at MonticelloRiver gauge, Sangamon River 5.04 ft Normal −0.04 ft 16 mi

Questions and answers

How does Copper Slough at Champaign compare with last year?

It is 0.14 ft lower than on the same day last year, when the reading was 10.06 ft.

What is a normal level for Copper Slough at Champaign in mid-October?

The median for mid-October is 9.96 ft. In 8 years out of 10 the reading falls between 9.78 ft and 10.91 ft, based on 21 years of records.

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 Copper Slough at Champaign today?

On Oct 18, 2026, 08:15 AM CDT, the water level was 9.92 ft. Steady over the last 24 hours.

Is Copper Slough at Champaign rising or falling?

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

Is the level of Copper Slough at Champaign normal?

Normal for mid-October. Compared with 21 years of daily readings for this time of year.

What is the highest water level ever recorded at Copper Slough at Champaign?

The highest level on record is 18.17 ft on July 12, 2014.

For specialists

Station codes, datum, parameters, data quality and downloads
Operator
U.S. Geological Survey
Station code
usgs:05590050 (Agency page)
Coordinates
40.09722, -88.30725 (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

ParameterLast valueTime (UTC)Quality
Water level 9.92 ft 2026-10-18 13:15 Provisional
Flow 2.2 cfs 2026-10-18 13:15 Provisional

Download

Embed this gauge

Add a live card for this gauge to your website. It updates on its own and links back here.

How to cite

U.S. Geological Survey: Copper Slough at Champaign (usgs:05590050). Accessed October 18, 2026 via Nivelmap, https://nivelmap.com/en/united-states/illinois/copper-slough-at-champaign

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.