Montana Geothermal Sites: Landusky
SUMMARY INFORMATION:
Location:   N 47.8981
W 108.6715
Nearest town:  8.5 MI S HAYS, South edge of Little Rocky Mountains
County: PHILLIPS
Depth: Springs
Temperature:  69° F
Flow:  628 gpm
TDS: 1367 (mg/L)
Site ID:   MGEOT072
LOCATE AND VIEW VIA NRIS DIGITAL MAP LOCATOR:
Allows topos to be resized and access to aerial photographs.
CHEMISTRY (ppm, mg/L)
Site name: LANDUSKY
Temp: 20º C
TDS: 1367
pH: 7.88
Sodium: 35.2
Potassium: 9.1
Calcium: 251
Magnesium: 87
Iron: 0.01
SiO2: 15
Sulfate: 871
Chloride: 13.7
Fluoride: 1.4

The Little Rockies area contains considerable warm water (24 C) derived from the Madison Group, at surface or shallow depths. Drilling in the surrounding area may increase the available flow to 100,000 -250,000 L/min (Sonderegger & Bergantino, 1981).

Landusky geothermal site