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Clarence J Brown Reservoir near Springfield OH water level

Reservoir, Clarence J Brown Reservoir, Ohio, United States

Directions

Normal for mid-October

Surface elevation

1,010.82ft Down 0.05 ft over the last 24 hours

1,010.5 1,010.7 1,011.0

History

1,010.51,010.81,011.01,011.3ftOct 13Oct 14Oct 16Oct 18Oct 191,010.51,010.81,011.01,011.3ftOct 13Oct 16Oct 19
1,010.51,011.01,011.51,012.0ftSep 20Sep 27Oct 4Oct 12Oct 191,010.51,011.01,011.51,012.0ftSep 20Oct 4Oct 19
1,0101,0121,014ftOct 2025Jan 2026Apr 2026Jul 2026Oct 20261,0101,0121,014ftOct 2025Apr 2026Oct 2026
1,0101,0121,014ftOct 2020Apr 2022Oct 2023Apr 2025Oct 20261,0101,0121,014ftOct 2020Oct 2023Oct 2026
1,0101,0121,014ftJanMarMayJulSepNov20261,0101,0121,014ftJanAprJulOct2026

202120222023202420252026

Surface elevation Normal range (10–90 %)

What this means

Nothing unusual at Clarence J Brown Reservoir near Springfield OH right now: the lake level of 1,010.82 ft is in the normal range for mid-October.

The median for mid-October is 1,010.73 ft, based on 7 years of readings, so the lake level is 0.09 ft above typical. On the same day last year the reading was 1,010.72 ft, a difference of +0.10 ft.

The level is falling, down 0.05 ft over the past 24 hours. Over the past 30 days it has moved between 1,010.81 ft and 1,012.00 ft.

Many reservoirs are drawn down through summer and fall; most of the refill comes later, with winter rain or spring snowmelt.

Compared with 7 years of daily readings for this time of year. How to read levels

Key numbers

Median for this date
1,010.73 ft0.09 ft above the median for this date
Normal for this date
1,010.53 ft – 1,010.98 ft8 years in 10 fall in this range (7 years of records)
Same day last year
1,010.72 ft+0.10 ft
Lowest and highest in 30 days
1,010.81 ft – 1,012.00 ft
Lowest and highest in 12 months
1,009.02 ft – 1,014.06 ft

Swimming and boating at Clarence J Brown Reservoir near Springfield OH

At a normal level, ramps and marinas generally run as usual, and fishing tends to follow the season more than the water level.

If you swim, pick a spot with an easy way out, and remember that drop-offs move as the level changes.

Weather at the gauge

Rain in the last 3 days: 0.19 in.

18 Sun 60° 34° – Wind 10 mph
19 Mon 65° 37° – Wind 6 mph
20 Tue 66° 46° – Wind 8 mph
21 Wed 67° 46° – Wind 7 mph
22 Thu 68° 48° – Wind 6 mph
23 Fri 65° 49° – Wind 11 mph
24 Sat 69° 43° – Wind 10 mph

Forecast: Open-Meteo

Sunrise 07:50 AM Sunset 06:51 PM Daylight 11 hr, 1 min First quarter 62%

Map

Nearby gauges

Gauge Level Compared with normal 24 hours Distance
Buck Creek below CJ Brown Reservoir near Springfield OHRiver gauge, Buck Creek 1.04 ft Normal −0.12 ft 0.4 mi
Mad River at St Paris Pike at Eagle City OHRiver gauge, Mad River 218 cfs Normal −3.0 cfs 4.6 mi
Mad River near Springfield OHRiver gauge, Mad River 3.33 ft Below flood stage −0.09 ft 7 mi
Mad River near Urbana OHRiver gauge, Mad River 155 cfs Very high ±0 11 mi
Little Miami River near Oldtown OHRiver gauge, Little Miami River 76.1 cfs High +2.8 cfs 17 mi
Massies Creek at Wilberforce OHRiver gauge, Massies Creek 21.5 cfs Normal −3.7 cfs 17 mi
Mad River at West Liberty OH - 03266560River gauge, Mad River 36.2 cfs High +1.1 cfs 21 mi
Mad River near Dayton OHRiver gauge, Mad River 2.93 ft Below flood stage −0.01 ft 21 mi

Questions and answers

Is Clarence J Brown Reservoir near Springfield OH higher than last year?

Yes, it is 0.10 ft higher than on the same day last year, when the reading was 1,010.72 ft.

What is a normal level for Clarence J Brown Reservoir near Springfield OH in mid-October?

The median for mid-October is 1,010.73 ft. In 8 years out of 10 the reading falls between 1,010.53 ft and 1,010.98 ft, based on 7 years of records.

Is Clarence J Brown Reservoir near Springfield OH really 1,010.82 ft deep?

No. 1,010.82 ft is the height of the water surface above sea level (or the agency's vertical datum), not the depth of the water.

What is the water level of Clarence J Brown Reservoir near Springfield OH today?

On Oct 19, 2026, 02:45 PM EDT, the surface elevation was 1,010.82 ft. Down 0.05 ft over the last 24 hours.

Is Clarence J Brown Reservoir near Springfield OH rising or falling?

Down 0.05 ft over the last 24 hours. Down 0.14 ft over the last 7 days.

Is the level of Clarence J Brown Reservoir near Springfield OH normal?

Normal for mid-October. Compared with 7 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.

For specialists

Station codes, datum, parameters, data quality and downloads
Operator
U.S. Geological Survey
Station code
usgs:03268090 (Agency page)
Coordinates
39.95034, -83.74743 (WGS84)
Vertical datum
NGVD29
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
Surface elevation 1,010.82 ft 2026-10-19 18:45 Provisional

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How to cite

U.S. Geological Survey: Clarence J Brown Reservoir near Springfield OH (usgs:03268090). Accessed October 19, 2026 via Nivelmap, https://nivelmap.com/en/united-states/ohio/clarence-j-brown-reservoir-near-springfield-oh

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