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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.
Cohocton River
Last Updated: April 21, 2026
Total streamflow across the
Cohocton River
was last observed at
2,696
cfs, and is expected to yield approximately
5,347
acre-ft of water today; about 185%
of normal.
River levels are high.
Average streamflow for this time of year is
1,454 cfs,
with recent peaks last observed
on
2014-05-17 when daily discharge volume was observed at
12,170 cfs.
Maximum discharge along the river is currently at the
Cohocton River Near Campbell Ny
reporting a streamflow rate of 1,910 cfs.
This is also the highest stage along the Cohocton River, with a gauge stage of
5.07 ft at this location.
This river is monitored from 2 different streamgauging stations along the Cohocton River, the highest being situated at an altitude of 1,174 ft, the
Cohocton River At Avoca Ny.
The Cohocton River is a 56-mile-long tributary of the Chemung River that flows through Steuben and Livingston counties in New York.
15-Day Long Term Forecast
River Details
| Last Updated | 2026-04-21 |
| Discharge Volume | 5,347 ACRE-FT |
| Streamflow |
2,696.0 cfs
Past 24 Hours: -465.0 cfs (-14.71%) |
| Percent of Normal | 185.48% |
| Maximum |
12,170.0 cfs
2014-05-17 |
| Seasonal Avg | 1,454 cfs |
River Streamflow Levels
| Streamgauge | Streamflow | Gauge Stage | 24hr Change (%) | % Normal | Minimum (cfs) | Maximum (cfs) | Air Temp | Elevation |
|---|---|---|---|---|---|---|---|---|
|
Cohocton River At Avoca Ny
USGS 01527500 |
786 cfs | 4.18 ft | -4.26 | |||||
|
Cohocton River Near Campbell Ny
USGS 01529500 |
1910 cfs | 5.07 ft | -18.38 |
Seasonal Discharge Comparison
Maximum Streamflow Discharge
Streamflow Elevation Profile
The Cohocton River, sometimes referred to as the Conhocton River, is a 58.5-mile-long (94.1 km) tributary of the Chemung River in western New York in the United States. Via the Chemung River, it is part of the Susquehanna River watershed, flowing to Chesapeake Bay. The name "Cohocton" is derived from an Iroquois term, Ga-ha-to, meaning "log floating in the water" or "trees in the water".New York State Route 17 follows the valley of the river along much of its route through Steuben County. The river is a popular destination for fly fishing.
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