Waterlands
Grass River
USGS · 04265432
GRASS RIVER
USGS · 04265432LIVE

GRASS RIVER AT CHASE MILLS NY

NEW YORK44.8465°N, -75.0784°W Updated 15 hr ago
FLOW RATE
287cfs
GAUGE HT
4.58ft
Flow Rate Historical Avg
MEDIAN FLOW RATE · 30 DAY
287cfs 0.7% vs avg
Optimal band: 339–459 cfs
PERIOD HIGH
1,191cfs
PERIOD LOW
268cfs
RUNNABLE
32%
last 30 day in band

Gauge Height

4.58ft
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Station Location

44.8465, -75.0784
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DATA · USGS · NOAA · NWSUPDATED 2026-09-01 00:00 UTC
Site #04265432·USGS

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