Water Reuse

Cascade Earth Sciences: Taking the Waste out of Water

Evaporation. Transpiration. Filtration. Nutrient Uptake. These are the processes nature has used to efficiently clean and recycle water for more than four billion years.

At CES, we use nature’s efficiencies to design systems that help businesses and communities “take the waste out of water.” Our land application systems are efficient, effective, environmentally friendly, and they’re often 30-50 percent less expensive than mechanical treatment methods.

The EPA and individual states regulate wastewater discharge to surface waters through the National Pollutant Discharge Elimination System (NPDES) program. Because water quality standards are high and effluent limits restrictive, process water and wastewater can be expensive to treat. Due to the large volumes of water requiring treatment, many industries and municipalities are utilizing land application to avoid discharge to surface water.

CES has an international reputation in land-based, water reuse system design and operations. CES has successfully completed hundreds of wastewater land application projects for a variety of municipalities, and food, agricultural, electrical generation, coal bed methane, chemical, textile, electronic, pulp and paper and mining industries.

CES offers a full range of concept-to-completion solutions, but we specialize in waste management and treatment systems that are based on naturally occurring, environmentally sound processes and principles.

By reusing wastewater through agricultural irrigation (including forage grasses, grains and hybrid poplars), CES not only helps clients “take the waste out of water,” but it helps preserve the world’s freshwater supply through the beneficial reuse of an increasingly scarce natural resource – water.

CES scientists and engineers are uniquely qualified for projects because of their knowledge and experience with soil processes, crop productions, irrigation, groundwater protection and biological systems engineering. CES has completed more than 500 land application projects in the last 10 years and many more over the last 25 years.

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