Elm Fork Trinity River level at Lewisville
Texas · Fishing & wading
Measured at USGS 08053000 — Elm Fk Trinity Rv nr Lewisville, TX
Reading taken · as of 33 min ago
Up and off-colour — heavier water than usual for wading
At 421 CFS, this gauge is running 158% of normal for mid-September — above the 266 CFS median USGS has recorded for this date across 70 years of record (1955–2026).
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Flow history at Lewisville
Daily values from USGS 08053000, updated every 15 to 60 minutes. Provisional.
About Elm Fork Trinity River at Lewisville
In Texas, below Lake Lewisville. 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 Lake Lewisville. A full pool usually means more water on its way down.
Elm Fork Trinity River at Lewisville — common questions
3 questions
How do releases from Lake Lewisville 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 Elm Fork Trinity River at Lewisville high or low for this time of year?
The USGS median flow for mid-September here is 266 CFS, from 70 years of record (1955–2026). Today is 158% of it. 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 08053000 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.