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Sangamon River at Petersburg — water level right now

Menard County, Illinois · NWS gauge PETI2
Loading the latest reading…
–
current stage (ft)
 
23
minor flood stage
 
33.9
record crest
set 1943-05-20
–
flood status
official NWS category
Official NOAA forecast → USGS data → Full US flood map →

Flood stages at this gauge

Where the water stands right now against the four official thresholds:

action · 18
minor · 23
moderate · 24
major · 33
Flood stageLevel (ft)What it means
Major flood stage33extensive inundation and significant evacuations — a serious event
Moderate flood stage24some buildings and roads inundated; evacuations possible
Minor flood stage23low-lying roads and fields near the river start to flood
Action stage18water is approaching flood level — time to pay attention

Highest floods on record here

#Crest (ft)Datevs. minor flood stage
133.91943-05-20+10.9 above
230.752002-05-14+7.75 above
330.552015-12-31+7.55 above
429.841994-04-14+6.84 above
527.451996-05-11+4.45 above
626.51974-01-25+3.5 above
726.32005-01-17+3.3 above
826.11970-05-03+3.1 above
926.082005-01-18+3.08 above
1025.672013-04-23+2.67 above
1124.242009-11-03+1.24 above
1224.21969-04-21+1.2 above

Historic crests recorded at this gauge by the National Weather Service — the 12 highest on file.

Where this gauge is

The marker is this gauge; nearby gauges load live and are clickable.

Nearby river gauges

Salt Creek (IL) near Greenview 10 mi away · loading… Sangamon River near Oakford 11 mi away · loading… Sangamon River near Chandlerville 17 mi away · loading… Sangamon River at Riverton 19 mi away · loading… Illinois River near Havana 23 mi away · loading… Illinois River at Beardstown 32 mi away · loading…

Gauge details

NWS gauge IDPETI2
USGS site05578000
CountyMenard
StateIllinois
NWS forecast officeLincoln
River forecast centerNorth Central River Forecast Center
Coordinates40.013, -89.838
Time zoneCST6CDT
Turn Around, Don't Drown. Six inches of moving water can knock you off your feet and twelve inches can float a car. Never drive around barricades or into water of unknown depth — most flood deaths happen in vehicles.

Questions about Sangamon River at Petersburg

Is Sangamon River at Petersburg flooding right now?

The live reading at the top of this page answers that: the gauge is compared against its official NWS flood stages every 15 minutes. Minor flooding at this gauge begins at 23 ft. Blue means normal, yellow is action stage, orange minor, red moderate and dark red major flooding.

What is flood stage for Sangamon River at Petersburg?

major flood stage 33 ft, moderate flood stage 24 ft, minor flood stage 23 ft, action stage 18 ft. These are official National Weather Service thresholds set specifically for this gauge, not generic values.

What is the record flood at Sangamon River at Petersburg?

The highest crest on file at this gauge is 33.9 ft, reached on 1943-05-20 — that is 10.9 ft above minor flood stage. The full list of the highest crests is in the table on this page.

Where does this data come from?

From the NOAA National Water Prediction Service, the official U.S. river gauge network — a U.S. government work in the public domain. Live stage is refreshed every 15 minutes; flood thresholds and historic crests are refreshed monthly. For life-safety decisions follow NWS Lincoln and local emergency management.