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Oil Water Separator Management

Enviremedial Services specializes in the management, cleaning and recycling of effluent from oil water separators and storage tanks. Our management program includes inspecting the OWS and cleaning each one whenever required, but at a minimum of once per year. This is a true benefit of our service: We do not just clean on a schedule, or wait until told to do so. Under our management program, we clean the OWS whenever and as often as necessary to keep it in top working condition. Our program helps to eliminate ongoing maintenance issues and lengthens the life of the oil water separators.

Recycling, Not Hauling Off

Unlike pumping companies, we remove and clean the OWS effluent by processing it through our mobile recycling units. As the effluent is processed, the water and oil are separated.The water is polished and temporarily stored on-site while the OWS is pressure washed and cleaned. After removal of the sediment/sludge, the stored, clean water is then returned to the OWS. This saves the cost of hauling off perfectly reusable water, as well as the cost of refilling the OWS to operational capacity, as prescribed by OWS manufacturers, with city water. Water is usually about 90% - 95% of the waste found in an OWS. We return back to facilities recovered oil and fuel with less than 5% water, in most cases meeting facility recycling standards.

Saving Through Firm, Fixed Pricing

One cleaning a year or 20, regardless of the number of pounds or gallons of effluent processed, our customers tell us time and again that our firm, fixed pricing helps them keep their budgets in line. Monthly pricing is set at the beginning of the contract year and does not change. On multi-year contracts, customers know several years out the exact funds that will be required for their OWS servicing.

Typical distribution of OWS effluent with ESI's recycling process

Savings from the OWS Management program reach far beyond the actual effluent processed. Manifesting is not required, or becomes very minimal, because oftentimes nothing leaves the base. Personnel time to inspect and oversee the OWS program can be spent in more valuable ways. In some cases, because OWS waste is such a large part of the Bases' disposal waste, reducing the amount of waste leaving the Base has reduced Generator Tax Status from high to low - savings that are not found with traditional pumping and hauling companies.

Mobile Recycling Units are fully self-contained and operated by our staff. Set up and breakdown times are minimal and in most cases are ready for operation within 15 minutes of arrival at the site. Mobile Systems make it easy and economical to process water at multiple sites on either the same installation or several installations with just the one system.

Mobile Water Recycling
ESI’s Mobile Treatment Units treat contaminated water effectively, ensuring compliance for discharge to sewer or open water. Treated water is often suitable for recycling, either in the industrial process or for irrigation purposes. Utilizing ANJAN Clarifiers, Oil / Water Separators and Megasorbers/Gigasorbers, along with more traditional forms of water treatment technology, our processes remove oils, sediments and other containments to acceptable levels. We go beyond treating pollutants that are readily biodegradable tackling the most toxic organic and inorganic pollutants.


ESI helps waste generators to meet all their wastewater environmental requirements. In doing so, we make sure you avoid harsh financial penalties relating to pollution. By treating your liquid waste on-site in our mobile plants, we eliminate some of the capital expenditure you may now face. As well, the risks associated with the costs of transporting waste is avoided.

Transportable Treatment Units (TTU’s) are fully self-contained and once delivered to site by truck, train, plane or ship, can be rapidly ready for operation. The units are generally positioned at a site for extended periods of time, and then relocated as required. Our staff normally operates TTU’s, but due to advances in remote monitoring, controlling and highly reliable PLC programming, the units can now be effectively operated by our customers with ESI technical support only a click away. TTU’s can be positioned in key locations to treat water that may have been involved in natural disaster or deliberate acts of terrorism. They may be built to military specifications for use in the field to provide clean water sources for large numbers of troops where water may have to be pulled from rivers, ponds or other contaminated water sources. These systems are modular