Wastewater Treatment Services

ERI provides a wide variety of wastewater, process water, and storm water engineering design services. We also offer expertise in system operation and optimization, physical separation techniques, chemical treatment, water reclamation or reuse, hazardous and nonhazardous waste treatment and disposal, and permitting. Our first step in wastewater treatment is to conduct a feasibility study to evaluate the system chemistry, chemical treatment required, operational procedures, and cost projections for treatment of the waste stream. Pilot studies can be used to evaluate a new or complex treatment technology.

ERI has extensive experience in evaluating and installing new treatment systems and/or modifying existing systems. ERI's previous treatment technologies have included oil/water separation, chemical precipitation, flocculation, dissolved-air flotation (DAF), settling, filtration, ozone, reverse osmosis, air stripping, biological degradation, and UV/peroxide destruction. ERI can implement a chemical treatment program for removal of alkalinity, heavy metals, oil and grease, toxic organics, chemical oxygen demand (COD), biological oxygen demand (BOD), and total organic carbon (TOC). Our familiarity with waste treatment chemicals allows us to use the chemical program with the best and most cost-effective results.

ERI also evaluates and installs water recovery systems for substantial reductions in water and energy usage, as well as surcharge payments. Techniques such as segregation and reclaiming are utilized to reduce water usage by as much as 50%. We solve waste reduction, treatment, and disposal problems including landfill identification and disposal permitting. ERI also supplies ongoing monitoring and sampling programs to ensure compliance and keep operating costs at a minimum.

ERI can assist you in your negotiations with local enforcement agencies to develop action plans, secure variances, or obtain permits. ERI can also evaluate your pollution prevention practices, survey sites, provide detailed site maps, and supervise monitoring programs.

Phase 1 Site Assessments Phase 2 Investigations Phase 3 Remedial Action Groundwater Operation/Maintenance Litigation/Resolution	Regulatory Compliance Pilot Testing Biological Treatment Wastewater Treatment Storm Water Construction Management

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