Mountain Creek level at Grand Prairie
Texas · Fishing & wading
Measured at USGS 08050100 — Mountain Ck at Grand Prairie, TX
Reading taken · as of 28 min ago
Up and off-colour — heavier water than usual for wading
At 4.3 CFS, this gauge is in the highest quarter of the 63 years USGS has recorded for this date (1961–2026), at 288% of the 1.5 CFS median.
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Flow history at Grand Prairie
Daily values from USGS 08050100, updated every 15 to 60 minutes. Provisional.
About Mountain Creek at Grand Prairie
In Texas, below Joe Pool Lake. Releases can change the flow by hundreds of CFS in an hour with no rain in the basin — check it the morning you go, not the night before.
Reservoir feeding this stretch
Flow here is set by releases from Joe Pool Lake. A full pool usually means more water on its way down.
Mountain Creek at Grand Prairie — common questions
3 questions
How do releases from Joe Pool Lake affect this stretch?
Directly and fast. When the dam generates, flow here can climb by an order of magnitude within the hour, with no rain anywhere in the basin. That sudden release is the real hazard on a tailwater. The pool level is on lakelvl.com, linked below.
Is Mountain Creek at Grand Prairie high or low for this time of year?
The USGS median flow for late September here is 1.5 CFS, from 63 years of record (1961–2026). Today sits in the highest quarter of those years, at 288% of the median. The comparison is what makes the raw number mean anything: the same reading is a drought on one river and a flood on another.
How often does this reading update?
USGS transmits from gauge 08050100 every 15 to 60 minutes. This page refreshes from USGS when you open it, and the reading is provisional until USGS reviews it. The timestamp is in the gauge's local time.