About St. Cloud Mining
St. Cloud Mining Company is the largest producer of high quality, high purity natural zeolites in North America. It is the only company in the world that owns and operates a complete suite of unique zeolite mineral deposits encompassing the entire spectrum of commercially viable natural zeolites. Privately owned and headquartered in Winston, New Mexico, St. Cloud is a fully integrated company that owns and operates all of its mines, mills, and deposits, and works directly with clients on zeolite product innovation.
Through mines and resources in various locations, including New Mexico (Winston), Nevada (Ash Meadows), Arizona (Bowie), and Oregon (Rome), St. Cloud annually produces 42-45,000 tons of natural zeolites. St. Cloud Zeolites are used in a diverse array of applications across a wide variety of markets, including: animal feed supplements, odor and moisture control, soil amendment, water treatment, environmental remediation, and other specialty applications.
With safe, reliable operations and a wide range of products, packaging, and screening options, St. Cloud has an established base of long term customers in the U.S. and internationally, and is well equipped to support new partners looking for innovative ways to improve their companies’ current technologies or business operations.
Operations & Products
Winston
Winston, New Mexico
Winston Zeolite is produced year-round at our modern mining, processing, packaging, and distribution complex in central New Mexico.
Ash Meadows
Ash Meadows, Nevada
Our Ash Meadows clinoptilolite property is located in Inyo County, California and Nye County, Nevada, near Death Valley Junction.
Bowie
Bowie, Arizona
Our Bowie chabazite properties are located in Arizona’s Graham and Cochise counties, east of Tucson and north of Bowie.
Rome
Rome, Oregon
Our Rome mordenite deposit is located in Malheur County, Oregon and is the largest deposit of drilled out high purity mordenite in the U.S.
Featured Applications
Animal Feed Supplemen
St. Cloud Zeolite improves animal health, lowers mortality, improves performance, contributes to feed safety, and manages nitrogen and ammonia emissions.
Odor & Moisture Control
St. Cloud Zeolite is safe, effective, and reusable, offering natural odor and moisture control. It's affordable and reliable for industrial, farm, and household uses.
Soil Amendment
St. Cloud Zeolite promotes better plant growth, increases soil’s nutrient holding capacity and water retention capability, prevents toxicity, and improves fertilization – saving money and increasing crop yield.
Water Treatment
Use of St. Cloud Zeolite can help address increasing demand for high-quality drinking water and for treatment of municipal, agricultural, and industrial wastewaters.