North Fork San Gabriel River level at Georgetown
Texas · Fishing & wading
Measured at USGS 08104700 — N Fk San Gabriel Rv nr Georgetown, TX · NWS forecast point GERT2
Reading taken · as of 28 min ago
Below normal — good wading, low and clear
At 0.7 CFS, this gauge is in the lowest quarter of the 46 years USGS has recorded for this date (1980–2026), at 23% of the 3.0 CFS median.
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Flow history at Georgetown
Daily values from USGS 08104700, updated every 15 to 60 minutes; NWS forecast for GERT2 reissued through the day. Provisional.
Highest crests on record at Georgetown
3 on record
| Stage | Flow | Date |
|---|---|---|
| 39.50 ft | — | Sep 1, 1927 |
| 34.50 ft | — | Apr 1, 1957 |
| 26.20 ft | 35,000 CFS | Sep 17, 1974 |
Crests published by the National Weather Service.
About North Fork San Gabriel River at Georgetown
In Texas, below Lake Georgetown. 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 Georgetown. A full pool usually means more water on its way down.
North Fork San Gabriel River at Georgetown — common questions
3 questions
How do releases from Lake Georgetown 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 North Fork San Gabriel River at Georgetown high or low for this time of year?
The USGS median flow for late September here is 3.0 CFS, from 46 years of record (1980–2026). Today sits in the lowest quarter of those years, at 23% 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 08104700 every 15 to 60 minutes, and the National Weather Service reissues the flood forecast for GERT2 a few times a day — more often when the river is rising. This page refreshes from both when you open it. The timestamp is in the gauge's local time.