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Montana Geothermal Sites: Colstrip
SUMMARY INFORMATION:
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| AKA: Western Energy Well, Powder River Basin Location: N 45.8863 W 106.6194 Nearest town: 2 miles N of Colstrip County: ROSEBUD Depth: 9336 ft Temperature: 205° F Flow: 4.91 gpm TDS: 1395 (mg/L) Site ID: MGEOT092 LOCATE AND VIEW VIA NRIS DIGITAL MAP LOCATOR: Allows resizing of topos and access to aerial photographs. |
CHEMISTRY (ppm, mg/L) Site name: COLSTRIP Temp: 96° C TDS: 1395 pH: 7.45 Sodium: 131 Potassium: 65.8 Calcium: 213 Magnesium: 25 Iron: 2.29 SiO2: 56.6 Sulfate: 737 Chloride: 79 Fluoride: 4.9 |
The Colstrip exploration well was drilled by Western Energy to test Madison Limestone aquifer. The well flowed 870 L/min (3,292 gpm) for seven years before the casing failed and the well was abandoned (Sonderegger-Bergantino, 1981).
