Montana Geothermal Sites: Brooks
SUMMARY INFORMATION:
AKA: Brooks Warm Springs
Location:   N 47.219
W 109.4733
Nearest town:  10 miles N of Lewiston
County: Fergus
Depth: Spring
Temperature: 20° C, 68° F
Flow:   72,000 gpm, 272,520 L/min
TDS: 620 (mg/L)
Site ID: 
MGEOT050
LOCATE AND VIEW VIA NRIS DIGITAL MAP LOCATOR:
Allows resizing of topos and access to aerial photographs.
CHEMISTRY (ppm)
Site name: BROOKS
Temp, C: 20.0
Sodium 3.6
Potassium 1.4
Calcium 114
Magnesium 39.0
Iron -0.01
Lithium 20.0
SiO2 10.7

The Brooks warm springs has an significant resource potential because of the high flow volume (270,000 L/min). The low temperature (20° C) has stymied development. Current usage is strictly agricultural, but advance heat exchangers could produce significant direct heat.

Brooks geothermal site