Red Flag Warning
2025-12-17T18:00:00-07:00

* AFFECTED AREA...Fire Weather Zones 241, 242, 243, 245 and 246. * TIMING...Until 6 PM MST this evening. * WINDS...West 15 to 30 mph with gusts up to 60 mph. * RELATIVE HUMIDITY...As low as 16 percent. * IMPACTS...Conditions will be favorable for rapid fire spread. Avoid outdoor burning and any activity that may produce a spark and start a wildfire.


CARLLS RIVER

Last Updated: December 17, 2025

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


Summary

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

       
River Streamflow Levels
Streamgauge Streamflow Gauge Stage 24hr Change (%) % Normal Minimum (cfs) Maximum (cfs) Air Temp Elevation
Carlls River At Babylon Ny
USGS 01308500
10 cfs 0.46 ft 0
Seasonal Discharge Comparison
Maximum Streamflow Discharge
Streamflow Elevation Profile

The river has a rich history, serving as an important source of water for the surrounding communities since the 1800s. Today, the river is primarily used for recreational purposes such as boating and fishing, as well as for agricultural irrigation. The river is fed by several small streams and flows into the Great South Bay. There are several reservoirs and dams along the river, including the Carlls River Dam and the Lower Yaphank Lake Dam. These structures help regulate the water flow and provide flood control for the surrounding areas. The river and its tributaries also provide important habitat for a variety of plant and animal species.