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Gauge Information

Gauge Description:

The USGS gauge is approximately 30 miles upstream. At times of rapid waterlevel change, there is approximately a 20 hour delay from the level at Riverton to this playspot in Petersburg.

The drainage area at Petersburg is 3,063 square miles, whereas the drainage at the gauge in Riverton is 2,618 square miles. Thus, one might expect (on average) the actual flow at this playspot to be 1.17 times (or 1 and 1/6th as much as) the flow on the cited gauge.

Gauge/flow analysis based on Riverton gauge 1908 to 2008
Minimum mean daily flow during stated period	3 cfs (1914.10)
90% of time flow exceeds	84 cfs
10% of time flow exceeds	3,490 cfs
Maximum mean daily flow during stated period	67,700 cfs (1943.05.19)
10/90 ratio ('flashy-ness') (under 3 is fairly steady, over 10 is quite 'flashy')	41.5
Average days per year over recommended 'low' threshold ( 75 cfs)	223

Gauge Information

Name

Range

Difficulty

Updated

Level

SANGAMON RIVER AT RIVERTON, IL

usgs-05576500

200 - 4000 cfs

III+

00h53m

2800 cfs (rc= 0.8 )

Range	Water Level	Difficulty	Comment
0 - 75 cfs	extremely Low-somewhat Low	I	Terribly low.
75 - 200 cfs	somewhat Low-barely Low	I-II	Very low, but some play possible.
200 -1000 cfs	barely runnable-med runnable	I-II	Good low-to-moderate flow.
1000 -2000 cfs	med runnable-a bit pushy runnable	II-III	Moderate flow.
2000 -4000 cfs	a bit pushy runnable-high runnable	III	High flow.
4000 -10000 cfs	somewhat High-somewhat High	III+	Very high flow.
10000 -70000 cfs	somewhat High-extremely High	III+	Unusually high flow

Report - Reports of Sangamon Petersburg: "Dead Carp Drop" (PnP) and related gauges

Reports give the public a chance to report on river conditions throughout the country as well as log the history of a river.

Reports

When	River/Gauge	Subject	Level	Reporter
	Sangamon [IL]	Beginner's first surf	300	clinton begley
	Sangamon River [IL]	Throwing ends in Dead Carp Drop	2500 cfs	Erik Johnson
5y138d23h37m	sangamon [il]	Clint at dead carp drop	435 cfs	clinton begley
5y207d23h37m	Sangamon River [IL]	Perfect level @ DCD	9 feet	Erik Johnson
7y159d23h37m	Sangamon River [IL]		n/a	Jeff Abernathy