1992-1 993 Low-Temperature Geothermal Assessment Program, Colorado
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Open File Report 95-1 1992-1 993 Low-Temperature Geothermal Assessment Program, Colorado By James A. Cappa and H. Thomas Hemborg Colo'rado Geological Survey Division of Minerals and Geology Department of Natural Resources Denver, Colorado 1995 DISCLAIMER This report was prepared as an account of work sponsored by an agency of the United States Government. Neither the United States Government nor any agency Thereof, nor any of their employees, makes any warranty, express or implied, or assumes any legal liability or responsibility for the accuracy, completeness, or usefulness of any information, apparatus, product, or process disclosed, or represents that its use would not infringe privately owned rights. Reference herein to any specific commercial product, process, or service by trade name, trademark, manufacturer, or otherwise does not necessarily constitute or imply its endorsement, recommendation, or favoring by the United States Government or any agency thereof. The views and opinions of authors expressed herein do not necessarily state or reflect those of the United States Government or any agency thereof. DISCLAIMER Portions of this document may be illegible in electronic image products. Images are produced from the best available original document. ACKNOWLEDGEMENTS This low-temperature geothermal assessment pro was funded by the u. s. Department of Energy-Geothermal Division. The rad0 Geological Survey serves as a subcontractor to the Oregon Institute of Technology-Geo Heat Cen- ter for the purposes of fulfilling the terms of this contract within the State of Colorado. DISCLAIMER This report was prepared as an account of work sponsored by an agency of the United States Government. Neither the United States Government nor any agency thereof, nor any of their employees, makes any warranty, express or implied, or assumes any legal responsibility for the accuracy, completeness or usefulness of an rmation, apparatus, product or process disclosed, or represents that i would not infringe private property rights. Reference herein to any specific commercial product, process, or service by trade name, trademark, manufacture, or otherwise, does not necessarily coFtitute or imply its endorsement, recommendation, or favoring by the United States Government or any agency thereof. The views and opinions of authors expressed herein do not necessarily state or reflect those of the United States Government or any agency thereof. *. ,. CONTENTS Eldorado Springs. Boulder County .............. 9 Eoff Artesian Well. Archuleta County .........9 Abstract ................................................................. 1 Florence Artesian Well. Fremont Introduction.. ........................................................ 1 county....................................................... 9 Data Sources ......................................................... 2 Fremont Natatorium Well. Fremont county....................................................... 9 Data Format .......................................................... 2 Geyser Warm Springs. Dolores County ...... 9 Fluid Chemistry ................................................... 3 Glenwood Springs Area. Garfield Discussion ............................................................. 3 County ....................................................... 9 Antelope Warm Spring. Mineral Hartsel Hot Springs, Park County ...............9 county....................................................... 5 Haystack Butte Warm Water Well. Birdsie Warm Spring. Mineral County ........ 6 Boulder County ...................................... 10 Brands Ranch Artesian Well. Jackson Hooper Aquaculture Well, Alamosa County ....................................................... 6 County ..................................................... 10 Browns Canyon Warm Springs. Chaffee Hot Sulphur Springs, Grand County ......... 11 County ..-.... 6 ........................................... .... Idaho Hot Springs. Moffat County ............11 Canon City Hot Springs. Fremont Juniper Hot Springs, Moffat County 11 County....................................................... 6 .......... Lemon Hot Springs, Miguel County Cebolla Hot Springs. Gunnison County...... 6 San ..11 Mineral Hot Springs. Saguache County Cement Creek Warm Springs. Gunnison ....11 County....................................................... 6 Mount Princeton Hot Springs, Chaffee County 12 Clark Artesian Well. Pueblo County ............6 ..................................................... Mullenville Warm Spring, Park County Colonel Chinn Hot Water Well. Delta ....lZ County....................................................... 6 Orvis Hot Springs (Ridgeway) Ouray Conundrum Hot Springs. Pitkin County..................................................... 12 County ....................................................... 7 mayArea, =ray County ........................ 12 Cottonwood Hot Springs, Chaffee Pagosa Springs, Archuleta County ............l3 county 7 ....................................................... Paradise Hot Spring. Dolores County ....... 13 Craig Warm Water Well. Moffat County .....7 Penney Hot Springs, Pitkin County ...........13 Crowley Ranch Reserve Well. Archuleta Pinkerton Hot Springs, La Plata County... l3 county....................................................... 7 Poncha Springs, Chaffee Cornty ................ 13 Deganahl Warm Water Well. Routt county....................................................... 7 Rainbow Hot Springs, Mineral County ..... 14 Desert Reef (Florence) Hot Springs, Ranger Warm Springs. Gunnison Fremont County ....................................... 8 County..................................................... 14 Dexter Warm Springs, Conejos County .......8 Rico Area, Dolores County ......................... 14 I! Dotsero Warm Springs. Eagle County .........8 Routt (Strawberry) Hot Springs, Routt County..................................................... 14 Dunton Hot Springs, Dolores County .........8 Sand Dunes Pool Hot Water Well, Dutch Crowley Artesian Well, khuleta Saguache County ................................... 14 County....................................................... 0 iii Shaws Warm Spring, Saguache County .... 14 TABLES South Canyon Hot Springs, Garfield I County A. List of pertinent computer file data for ..................................................... 1S the low-temperature geothermal ashland Hot Water Wells, Alamosa assessment dzitabases. .................................... 3 ......................................... B. Summary of the results of the 1993 oat Springs Area, Routt County ....15 Low-Temperature Geothermal Assessment Program compared to the . 1976-1978 geothermal assessment. ............ 17 county........................................ ‘............lS PLATE 1. Low temperature geothermal areas County..................................................... 16 lorado, scale 1:1,000,000. .......in pocket Wagon Wheel Gap Hot Springs, Mineral County ...................................... 16 units Hot Springs, Cunnison Recommendations....... ;...................... DISKETTE Database on 3.5 in. HD DOS diskette. 1. Location of geothermal sou~cesin 2. Geochemical analysis of geothermal ources in Colorado (long list) iv AB STRA CT by the Colorado Geological Survey with the publication of Colorado Geological Survey Bul- Previous assessments of Colorado's low-tem- letin 11, Mineral Wafersof Colorado. Bulletin 11 perature geothermal resources were completed contains chemical analyses of the state's min- by the Colorado Geological Survey in 1920 and eral waters including the known geothermal in the mid- to late-1970s. The purpose of the waters and, also, has a section describing the 1992-1993 low-temperature geothermal utilization of the mineral waters. resource assessment is to update the earlier All of Colorado's geothermal resources are physical, geochemical, and utilization data and considered to be low-temerature, that is, less compile computerized databases of the loca- than 90°C. The lower temperature is defined by tion, chemistry, and general information of the the U.S.Department of Energy as 10°C above low-temperature geothermal resources in Col- the mean annual air temperture at the surface orado. The main sources of the data included (Reed, 1983). For this report a lower limit of published data from the Colorado Geological 20°C was selected. The first modem low- Survey, the US. Geological Survey WATSTOR temperature geothermal assessment for the database, and the files of the State Division of state of Colorado was completed during a Water Resources. The staff of the Colorado period of time from about 1976 to 1983. That Geological Survey in 1992 and 1993 visited assessment was carried out'by the Colorado most of the known geothermal sources that Geological Survey through a funding program were recorded as having temperatures greater with the U.S. Department of Energy and the than 30°C. Physical measurements of the con- U.S. Geological Survey. The 1976 survey ductivity., pH, temperature, flow rate, and notes involved a sampling program conducted over on the current geothermal source utilization an approximate 12 month period of 125 geot- were taken. Ten new geochemical analyses hermal sources from 56 geothermal areas and were completed on selected geothermal sites. resulted in the 1976 publication of Colorado The results of the compilation and field investi- Geological Survey Information Series 6, Hydro- gations are compiled into the four enclosed geochemicaf