Powdermill Brook Reservoir



Artificially impounded body of water.
water Icon Water
Map Marker

GPS Coordinates

Latitude, Longitude:
42.1460045°, -72.7473099°
Elevation Icon


197 ft. (60 m.)

Topographic Map

US Topo Map

The USGS (U.S. Geological Survey) publishes a set of the most commonly used topographic maps of the U.S. called US Topo that are separated into rectangular quadrants that are printed at 22.75"x29" or larger. Powdermill Brook Reservoir is covered by the Mount Tom, MA US Topo Map quadrant

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Water Icon Water
Land Icon Land
Man-made Icon Man-made

Nearby Reservoirs

Nearby Cities

Nearby Points of Interest

Powdermill Brook Dam Man-made 0.1 mi
Arm Brook Water 0.3 mi
Arm Brook Dam Man-made 0.5 mi
Sadle Know Playground Man-made 0.6 mi
Interchange Three Man-made 0.7 mi

Historical Weather

Below are weather averages from 1971 to 2000 according to data gathered from the nearest official weather station. The nearest weather station for both precipitation and temperature measurements is KNIGHTVILLE which is approximately 11 miles away and has an elevation of 630 feet (433 feet higher than Powdermill Brook Reservoir). Because the nearest station and this geographic feature may have differences in elevation and topography, the historic weather at the two separate locations may be different as well.

Average Daily Temperatures by Month (°F)

Average Monthly Precipitation (in inches)

Month Precip AVG High Temp AVG Low Temp
January 3.98" 32.5° 10.4°
February 3.25" 35.0° 12.0°
March 4.24" 44.0° 21.2°
April 4.21" 56.3° 31.8°
May 4.40" 68.9° 41.7°
June 3.58" 76.9° 51.0°
July 3.97" 81.7° 56.0°
August 4.29" 79.7° 54.5°
September 3.95" 71.7° 45.4°
October 4.10" 60.6° 34.1°
November 4.18" 48.5° 27.8°
December 3.92" 36.5° 17.5°

Summer High Temps

This location's average summer high temps are lower than 79% of other locations on record.

Winter Low Temps

This location's average winter low temps are lower than 76% of other locations on record.

Precipitation Levels

This location's average precipitation levels are higher than 78% of other locations on record.