Air Quality Alert
None

The Colorado Department of Public Health and Environment has issued the following... WHAT...Air Quality Health Advisory for Ozone. WHERE...Douglas, Teller, western Elbert, western El Paso and central Arapahoe Counties. Locations include, but are not limited to Castle Rock, Kiowa, Monument, Manitou Springs, and Woodland Park. WHEN...200 PM Tuesday April 21 to 1000 PM Tuesday April 21 IMPACTS...Ozone concentrations could reach the Unhealthy for Sensitive Groups category within the advisory area Tuesday afternoon and evening. Ozone levels will improve overnight Tuesday night. HEALTH INFORMATION...Public Health Recommendations: Increasing likelihood of respiratory symptoms and breathing discomfort in active children and adults and people with lung disease, such as asthma. Active children and adults, and people with lung disease, such as asthma, should reduce prolonged or heavy outdoor exertion.

TENMILE RIVER

Last Updated: April 21, 2026

Maximum discharge along the river is currently at the reporting a streamflow rate of cfs. This is also the highest stage along the Tenmile River, with a gauge stage of ft at this location. This river is monitored from 1 different streamgauging stations along the Tenmile River, the highest being situated at an altitude of ft, the .

Get the latest River Levels, Streamflow, and Hydrology for in River flows across 1 streamgages of the Tenmile River


15-Day Long Term Forecast


       
River Streamflow Levels
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Streamgauge Streamflow Gauge Stage 24hr Change (%) % Normal Minimum (cfs) Maximum (cfs) Air Temp Elevation
Tenmile River Near Gaylordsville
USGS 01200000 		424 cfs 2.43 ft -14.17
Seasonal Discharge Comparison
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Maximum Streamflow Discharge
Streamflow Elevation Profile

The river has a rich history, having been used for transportation and industry in the past. The river is fed by two major tributaries, Tenmile and Webatuck, and empties into the Wassaic Reservoir. The river is home to several reservoirs and dams, including the Tenmile River Dam and the Webatuck Reservoir. These reservoirs are used for water supply, hydroelectric power generation, and recreation. The river and its surrounding watershed are also used for agricultural purposes, with several farms located along the river's banks. Recreational activities on the river include fishing, kayaking, and camping, with several campgrounds located nearby.