Rivers in Texas

North Concho River near Carlsbad

Tom Green County, TexasNWS CLBT2USGS 08134000San Angelo office

Below flood stage
1.99ftStage

Observed Tue, Sep 22, 2:50 PM CDT

Flood stage
12.00 ft
Record crest
29.10 ft1936

Open the live map with the river flood outlook

Flood stages and impacts

CategoryStage
Major flood20.00 ft
Moderate flood15.00 ft
Minor flood12.00 ft
Action10.00 ft
  1. 20.00 ftMajor flooding will occur. The Carlsbad Loop will be flooded and impassible. A few structures along the river will begin to flood.
  2. 15.00 ftModerate flooding will occur in Carlsbad. The city park near the river will begin to flood.
  3. 12.00 ftMinor lowland flooding will occur to ranch land along the river. Secondary roads and low water crossings will be flooded.

Flood outlook

Chance of flooding, September to November

CategoryChance
Minor flooding5%
Moderate floodingUnder 5%
Major floodingUnder 5%

The three-month chances are the River Forecast Centers’ long-range flood outlook, issued August 28, 2026.

Crest history

24 crests on NOAA’s list since 1936.

#DateStage
1September 26, 193629.10 ft
2October 13, 195725.85 ft
3September 20, 197422.00 ft
4May 19, 201521.45 ft
5September 18, 197420.82 ft
6August 27, 198619.44 ft
7March 24, 200019.31 ft
8October 6, 198618.48 ft
9August 26, 198617.88 ft
10August 17, 198017.68 ft
11August 29, 199616.91 ft
12October 24, 200016.60 ft
13May 20, 196116.54 ft
14October 23, 201516.41 ft
15September 10, 198015.81 ft
16August 15, 200515.41 ft
17April 28, 195714.75 ft
18June 4, 195914.62 ft
19August 3, 197813.80 ft
20October 4, 195913.77 ft
21September 18, 198812.68 ft
22April 30, 196612.62 ft
23July 4, 202512.41 ft
24September 21, 197211.06 ft

Most recent crests

  • July 4, 2025: 12.41 ft
  • October 23, 2015: 16.41 ft
  • May 19, 2015: 21.45 ft
  • August 15, 2005: 15.41 ft
  • October 24, 2000: 16.60 ft
  • March 24, 2000: 19.31 ft
  • August 29, 1996: 16.91 ft
  • September 18, 1988: 12.68 ft
  • October 6, 1986: 18.48 ft
  • August 27, 1986: 19.44 ft

Nearby

Upstream, downstream and the gauges around this one.

What this means

Forecasts by the West Gulf River Forecast Center. Forecasts are issued as needed during times of high water, but are not routinely available. River forecasts for this location take into account past precipitation and the precipitation amounts expected approximately 24 hours into the future from the forecast issuance time.

Sources

Stage, flood stages, impacts and crest history from NOAA’s National Water Prediction Service. Streamflow and the daily record from the U.S. Geological Survey.