Atascosa River

Streamflow Hydrology Weather


Atascosa River Levels

April 25 2024

5 ACRE-FT

Discharge Volume Today
-1.9 cfs (-45.35%) since yesterday
0.68% of normal Very Low

Total streamflow across the Atascosa River was last observed at 2 cfs, and is expected to yield approximately 5 acre-ft of water today; about 1% of normal. River levels are low and may signify a drought. Average streamflow for this time of year is 337 cfs, with recent peaks last observed on 2023-04-08 when daily discharge volume was observed at 2,920 cfs.

Maximum discharge along the river is currently at the Atascosa Rv Nr Mccoy reporting a streamflow rate of 2.29 cfs. This is also the highest stage along the Atascosa River, with a gauge stage of 5.13 ft at this location. This river is monitored from 2 different streamgauging stations along the Atascosa River, the highest being situated at an altitude of 265 ft, the Atascosa Rv Nr Mccoy.

Last Updated 2024-04-25
Streamflow 2.29 cfs
Percent of Normal 0.68%
Maximum 2,920.2 cfs
2023-04-08

About the atascosa river


The Atascosa River is a river located in southern Texas that runs for approximately 135 miles through Atascosa, Bexar, Karnes, Live Oak, and McMullen counties. The river begins near the town of Poteet in Atascosa County and flows southeast into the Gulf of Mexico. Historically, the Atascosa River was a crucial water source for early Spanish explorers, and later for ranchers and farmers in the region. Today, it supports a variety of agricultural activities, including cattle ranching and irrigated farming. The river also has several reservoirs, including the Choke Canyon Reservoir and the Calaveras Lake, which provide drinking water and recreational opportunities for nearby communities. Despite ongoing conservation efforts, the Atascosa River faces challenges including pollution, overuse, and habitat loss.

Streamgauge Streamflow Gauge Stage 24hr Change (%) % Normal Minimum (cfs) Maximum (cfs) Air Temp Elevation
Atascosa Rv Nr Mccoy
USGS 08207500
2 cfs 5.13 ft -45.35
Atascosa Rv At Whitsett
USGS 08208000
0 cfs 1.46 ft -23.21

Peak Annual Discharge

Atascosa River Maximum Total Discharge

Seasonal Comparison

Atascosa River Year Over Year Discharge


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