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The Colorado Department of Public Health and Environment has issued the following... WHAT...Air Quality Health Advisory for Ozone. WHERE...Clear Creek, Gilpin, Park, Teller, El Paso, Fremont, Elbert and Pueblo Counties. Locations include, but are not limited to Georgetown, Central City, Fairplay, Cripple Creek, Colorado Springs, Canon City, Kiowa and Pueblo. WHEN...200 PM Monday April 20 to 1200 AM Tuesday April 21 IMPACTS...An intrusion of ozone from high in the atmosphere may result in ozone concentrations reaching the Unhealthy for Sensitive groups category within the advisory area Monday afternoon and evening. Ozone levels should gradually decrease overnight Monday 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.
Tarkio River
Last Updated: April 20, 2026
Maximum discharge along the river is currently at the reporting a streamflow rate of cfs. This is also the highest stage along the Tarkio River, with a gauge stage of ft at this location. This river is monitored from 1 different streamgauging stations along the Tarkio River, the highest being situated at an altitude of ft, the .
The Tarkio River, located in the northwestern part of Missouri, has a total length of approximately 84 miles.
15-Day Long Term Forecast
River Streamflow Levels
| Streamgauge | Streamflow | Gauge Stage | 24hr Change (%) | % Normal | Minimum (cfs) | Maximum (cfs) | Air Temp | Elevation |
|---|---|---|---|---|---|---|---|---|
|
Tarkio River At Fairfax Mo
USGS 06813000 |
280 cfs | 6.97 ft | -10.83 |
Seasonal Discharge Comparison
Maximum Streamflow Discharge
Streamflow Elevation Profile
The Tarkio River (also known as the Big Tarkio River) is a non-navigable river that stretches for approximately 140 miles (225 km) from Cass County, Iowa to its mouth on the Missouri River in Holt County, Missouri.
The river basin which drains approximately 508 square miles (1,316 km2) is sandwiched between the Nishnabotna River to the west and the Nodaway River to the east.
The name "Tarkio" is from a Native American word meaning "place where walnuts grow".The river passes rural areas and figures most prominently in the drainage system nears its mouth in management of Big Lake, Missouri and the Squaw Creek National Wildlife Refuge. Several streams and ditches in the Missouri River bottoms near its mouth contain the Tarkio name.
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