Tolt River at Near Carnation
WA · USGS gauge 12148500
Discharge
132
CFS
7-day range
132–145
CFS
Catalog range
100–1,600
CFS · reference
Flood stage
3,000
CFS · catalog
Last 7 days
7-day low 132 CFS high 145 CFS
Source: USGS National Water Information System, gauge 12148500
Reading Jul 26, 6:15 AM PDT
Catalog range and flood stage: Baseline Maps river catalog (reference data, updated with the app). USGS data is provisional and subject to revision.
Drainage
- Flows into Snoqualmie River
Reach data
- Gauge location: 47.6957, -121.8240
- Whitewater classification (catalog): Class II-III — Popular intermediate run with consistent rapids
- Gauge data cadence: ~15-minute readings (USGS)
FAQ
- What USGS gauge measures the Tolt River at Near Carnation?
- USGS gauge 12148500. It reports discharge in cubic feet per second (CFS), typically updating every 15 minutes, published by the USGS National Water Information System.
- Where does the Tolt River flow?
- Per the Baseline Maps river catalog, this reach flows into Snoqualmie River.
- What do the fishable-range numbers on this page mean?
- They are reference figures from the Baseline Maps river catalog — a compiled low/high discharge range and flood stage for this reach. They are catalog data, not a recommendation; conditions, regulations, and safety are always the angler's own call.
Track this gauge with flow alerts.
Baseline Maps watches USGS gauge 12148500 for you — set a CFS range for the Tolt River and get a push notification when the river enters it. Free for 14 days.
