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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.
Little Ausable 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 Little Ausable River, with a gauge stage of ft at this location. This river is monitored from 1 different streamgauging stations along the Little Ausable River, the highest being situated at an altitude of ft, the .
The Little Ausable River is a 22-mile-long tributary of the Ausable River that flows through Clinton County, New York.
15-Day Long Term Forecast
River Streamflow Levels
| Streamgauge | Streamflow | Gauge Stage | 24hr Change (%) | % Normal | Minimum (cfs) | Maximum (cfs) | Air Temp | Elevation |
|---|---|---|---|---|---|---|---|---|
|
Little Ausable River Near Valcour Ny
USGS 04273800 |
91 cfs | 1.67 ft | -13.87 |
Seasonal Discharge Comparison
Maximum Streamflow Discharge
Streamflow Elevation Profile
The Little AuSable river is a spring-fed stream originating in Huron County, Ontario. It is the only stream of any size running through the township of Lucan Biddulph, a municipality whose watershed feeds the Little AuSable with pasture and field runoff. In the summer months, the Little AuSable's flow is reduced to a trickle; in the winter, its ponds have been home to ice hockey rinks and skating lessons.Little AuSable intersects the Ausable, just outside Biddulph Township; here, the two rivers become one as they flow towards Lake Huron.
The Little AuSable river valley north of Lucan, Ontario serves as a tribute to the stream's grander past, and is a noted spot to watch the colours of autumn. The river's longest bridge spans this valley, allowing Highway 4 to reach Exeter.
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