Major Flood
15 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
13 ft
Minor Flood
11 ft
Action Stage
9 ft
What Floods at Each Level
25 ft
Major flooding occurs in Lamar. Multiple homes and businesses are impacted. Water reaches the base of the Highway 287 Bridge.
19 ft
Flood waters inundate the industrial park on the north side of Lamar. Multiple businesses are impacted. Flood waters threaten The Days Inn, The Cow Palace, Ranchers Supply Company and Opals Pub. Gravel and paving operations and North Gateway Park near the Highway 287 Bridge are inundated.
18 ft
Flood waters threaten the All Rite Paving and Redi Mix operation on the northwest side of the Highway 287 Bridge.
17 ft
Flood waters reach the parking areas near the Ace Tire operation on the northeast side of the Highway 287 Bridge.
15 ft
Major agricultural flooding occurs. Lowlands are completely inundated. Waters begin to threaten North Gateway Park southeast of the Highway 50 bridge.
13 ft
Moderate lowland agricultural flooding occurs near Lamar.
11 ft
Minor lowland agricultural flooding occurs near Lamar.
10 ft
The river is bankfull. Minor overbank flow into lowlands along the river occurs near Lamar. Water flows into low lying meadows near County Road 13.
9 ft
Minor overbank flow into low spots along the river occurs near Lamar.
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 |
|---|---|---|
| May 26, 1996 | 13.06 ft | 5,030 cfs |
| Aug 11, 1997 | 12.79 ft | 3,820 cfs |
| Jul 30, 1998 | 12.47 ft | 3,230 cfs |
About This Gauge
USGS Site
NWS LID
LMAC2
River
Arkansas River
County
Prowers, CO
Coordinates
38.1058°N, 102.6182°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 Lamar?
The Arkansas River at Lamar gauge is maintained by USGS (site 07133000) 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 Lamar?
The NWS-defined flood stage for Arkansas River at Lamar is 11 feet. Action stage begins at 9 feet. Moderate flooding starts at 13 feet, and major flooding at 15 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 Lamar 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 Lamar gauge located?
The gauge is located in Prowers County, Colorado at coordinates 38.1058°N, 102.6182°W. USGS site number: 07133000. Data is provided by the U.S. Geological Survey and the National Weather Service.
More Gauges on Arkansas River
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Source & Notes
Data provided by: Data courtesy of U.S. Geological Survey
- 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.