Frontier Water Systems is the pioneer and leading supplier of premium engineered equipment packages for high rate treatment o ... f selenium and metals from water and wastewater associated with coal power generation, mining operations, agriculture and other industries. Our bioreactors are built around a pre-fabricated, modular and transportable solution with unparalleled equipment footprint and water quality. Our customers and environment will always demand a better answer. That’s exactly what we deliver at Frontier. read more