Will You be Ready for FOG Control?

wastewater plant

Protect the sewer systems from fats, oils and grease buildup.

Until recently, Miami-Dade had a greasy situation on its hands. Between 2007 and 2012, sewer-performance issues resulted in 50 million gallons of sanitary overflow into the environment. This drew the attention of the Environmental Protection Agency (EPA) and their enforcement of the Clean Water Act. The resulting settlement required Miami-Dade County to pay $1 million in civil penalties, split almost evenly between federal and state governments. The settlement was also conditional on a significant investment to fix the ailing sewer system, estimated at a cost of $1.6 billion. Today, Miami-Dade is leading the way by taking a fresh look at grease interception technology and implementation.

In densely populated areas, fats, oils and grease (FOG) cause complications in sewer systems. Clogs and overflows are commonplace, resulting in back-ups and untreated discharges. Removal of these blockages costs cities millions.

To deal with this and to comply with the EPA settlement, Miami-Dade developed and implemented the most comprehensive FOG Ordinance in North America. Now, only FOG control devices that meet Miami-Dade DERM’s most stringent standard may be installed and operated where wastewater and grease are discharged into the municipal system. Management, maintenance and operations standards were developed along with construction compliance, inspection and enforcement protocols.

Endura's solution to FOG build-up

The Endura® line-up of Hydromechanical Grease Interceptors (HGIs) are providing the Miami-Dade restaurant industry with solutions to effectively manage FOG compliance requirements.

Endura® was the first HGI to be certified to a 99% removal efficiency, and have since qualified a total of 5 compliant solutions for this evolving market. To keep FOG from being released, HGIs rely primarily on the difference in specific gravity between wastewater and FOG. The grease is then retained for future removal without escaping into the sewer lines.

The ability to provide efficient separation of FOG from wastewater, especially in higher capacities is crucial for urban areas. Ageing sewer systems are sensitive to the pressure of clogs and/or reduced wastewater flow. Not only is this an enormous burden on municipal resources, but the flooding that results can be debilitating for businesses; not to mention, a health risk to city inhabitants.

FOG filled grease interceptor in restaurant floors and a clogged pipe

For companies like Endura®, this challenge presents an opportunity. Regulatory bodies, such as the EPA, as well as strapped municipal budgets, will put additional pressure on cities to modernize their environmental protection standards.

To illustrate the impact of this revolutionary new ordinance model, consider the following comparison. Miami-Dade DERM’s new FOG Control Ordinance 2.0 requires that GI devices restrict FOG output from exceeding 100 mg/L of effluent. Studies done in other cities have shown outputs to be more than ten times this level. This means there will be a growing need to have innovative, effective, and efficient grease interceptors to ensure cleaner and safer wastewater.

At Endura®, we believe that interception is the best defence. That’s why we work with cities, municipalities, and regulatory agencies across the country to develop long-term solutions that benefit everyone.

Endura® is a registered trademark.


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The impact of fats, oils and grease (FOG) is massive. Cities around the world are wrestling with enormous globs of FOG clogging the sewer systems.

wastewater plant

Will You be Ready for FOG Control?

Protect the sewer systems from fats, oils and grease buildup. Until recently, Miami-Dade had a greasy situation on its hands. Between 2007 and 2012, sewer-performance issues