Major Flood
11 ft
Current Water Level
Gage Height
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Streamflow
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Last Reading
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FLOOD STAGES
Know the flood categories.
Flood stages defined by the National Weather Service. Gage height data from USGS Water Resources.
Moderate Flood
10 ft
Minor Flood
9 ft
Action Stage
7 ft
What Floods at Each Level
15 ft
Flood waters flow into parking lot of Holcim Cement Plant.
12.5 ft
Flood waters reach base of railroad bridge near Holcim Cement Plant.
11 ft
Major Flood Stage.
10 ft
Moderate Flood.
9.5 ft
Water rises to railroad tracks on east side of Holcim Cement Plant.
9 ft
Minor Flood. Considerable lowland and meadow flooding occurs.
8 ft
Minor agricultural flooding occurs.
7 ft
The river is bankfull.
Impact statements from the National Weather Service, describing what typically happens at each water level.
7-Day Water Level Chart
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Historic Crests
| Date | Stage | Flow |
|---|---|---|
| Jul 5, 2006 | 12.94 ft | 15,900 cfs |
| Aug 1, 1976 | 11.26 ft | 12,800 cfs |
| Aug 1, 1975 | 10.09 ft | 10,200 cfs |
About This Gauge
USGS Site
NWS LID
PRTC2
River
Arkansas River
County
Fremont, CO
Coordinates
38.3883°N, 105.0161°W
Get Flood Alerts for Arkansas River
StormCast monitors this gauge and sends a push notification to your phone when the water level crosses into a new flood category — even at 3 AM.
Frequently Asked Questions
What is the current water level of Arkansas River at Portland?
The Arkansas River at Portland gauge is maintained by USGS (site 07097000) and reports water levels every 15 minutes. Visit this page to see the latest reading updated live, or download StormCast to get push alerts when levels rise.
What is flood stage for Arkansas River at Portland?
The NWS-defined flood stage for Arkansas River at Portland is 9 feet. Action stage begins at 7 feet. Moderate flooding starts at 10 feet, and major flooding at 11 feet.
How do I get alerts when Arkansas River rises?
Download StormCast free on Google Play, go to River Gauges, and add Arkansas River at Portland to your watchlist. StormCast will send a push notification to your phone whenever the water level crosses into a new NWS flood category.
Where is the Arkansas River at Portland gauge located?
The gauge is located in Fremont County, Colorado at coordinates 38.3883°N, 105.0161°W. USGS site number: 07097000. Data is provided by the U.S. Geological Survey and the National Weather Service.
More Gauges on Arkansas River
On This River
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Source & Notes
Data provided by: Data courtesy of Colorado Division of Water Resources
- River forecasts for this location take into account past precipitation and the precipitation amounts expected approximately 24 hours into the future from the forecast issuance time.
- Stage may be affected by ice during winter months.