Ahtanum Creek at Union Gap, WA

Yakima County, Washington · USGS gauge 12502500 · NWS AHUW1 · Washington river levels

Nearby: river levels near Union Gap

Is Ahtanum Creek at Union Gap, WA flooding right now?

Ahtanum Creek at Union Gap, WA measured 2.70 ft on 2026-09-11 01:30:00 UTC. No NWS minor flood stage is published for this gauge.

Gauge height
2.70 ft
as of 36 min ago
Streamflow
13 cfs
data refreshed 4 min ago

The highest crest on record was 10.36 ft on Wed, Jan 16, 1974.

Streamflow outlook

NOAA National Water Model forecast, issued 14 hours ago. The NWM models discharge for every river reach in the country, including the many gauges the National Weather Service does not forecast individually. It is a model, not an official NWS river forecast, and it predicts flow rather than water level.

No National Weather Service flood stage is published for this gauge, so no flood category can be shown — why some gauges have no flood stage.

Highest crests on record

StageDate
10.36 ft1974-01-16

Nearby gauges

GaugeDistanceCounty
Yakima River above Ahtanum Creek at Union Gap, WA0.3 miYakima County
Moxee Drain at Birchfield Road near Union Gap, WA1.8 miYakima County
Naches River near North Yakima, WA6.7 miYakima County
Granger Drain at Granger, WA19.0 miYakima County
Oak Creek above Tieton River near Naches, WA20.7 miYakima County
Provisional data: Real-time readings are provisional and subject to revision by the USGS — sensors can be affected by ice, debris, or equipment malfunction. Do not rely on this site for decisions involving personal safety; follow official guidance from the National Weather Service and local authorities.

Sources: USGS monitoring location · NWS gauge & forecast