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Cloacina is the only Pacific manufacturer of package wastewater treatment plants and industry equipment.  Located on the Central Coast of California, the company is owned and managed by a family of licensed wastewater operators and maintenance mechanics, now four generations deep, with more than a century of combined industry experience. 

Pride in craftsmanship. Unparalleled ingenuity. Environmental protection. At the heart of Cloacina, these are the values driving the design and production of each package wastewater treatment plant.

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Island conditions present a unique set of challenges for wastewater treatment projects.  When considering installation or rehabilitation of wastewater systems, island-based clients, engineers, contractors and developers typically must consider the following:

  • Heightened public water quality and environmental protection agendas

  • Limited project budgets

  • The trend toward decreasing dependency on large municipal plants and shifting to smaller, local treatment solutions

  • Extreme weather conditions including high humidity, heavy rainfall and hurricanes

  • Accelerated rust and corrosion time frames that shorten the useful lives of materials and equipment

  • Remote site locations and steep on-site mechanical installation costs

  • High energy costs

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Located less than five miles from the Pacific Ocean and in the heart of the Central Coast Wine Region, Cloacina faced many of the same challenges experienced on the islands when designing and fabricating wastewater treatment systems for West Coast clients: the most stringent discharge requirements in the United States, severe drought conditions and the need to reclaim treated effluent, corrosion due to ocean proximity and remote and heavily-foliaged project locations.  

Cloacina’s Design Team spent years conceptualizing, building and testing a line of package wastewater treatment plants specifically for coastal, island and remotely-located clients.

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Cloacina’s line of MEMPAC™ Membrane Bioreactors (MBR) are revolutionizing package wastewater treatment. Designed for energy-conscious clients with stringent discharge requirements and the desire to reclaim treated effluent for irrigation or sanitation purposes, all MEMPACs integrate activated sludge and membrane clarification as the final stage of treatment.  Every MEMPAC is fabricated from corrosion-resistant stainless steel, goes through rigorous factory acceptance testing prior to shipping, ships as a complete, factory-assembled system and can reclaim 100% of the treated effluent for irrigation and sanitation purposes. System and controls equipment are mounted on Cloacina’s patented Slide Rail™ System. All MEMPAC models can be installed in buried, partially-buried or above-ground orientations, can be designed to accommodate small footprints and are ideal for remote locations. 


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MEMPAC-M

Designed specifically to meet strict municipal project specifications, the MEMPAC-M is Cloacina’s unrivaled membrane bioreactor with the longest life cycle of any Cloacina package wastewater treatment plant.  The MEMPAC-M is designed to meet more stringent discharge requirements than other MEMPAC systems.  This is the only model that comes standard with Cloacina’s premium equipment package and additional sound attenuation.  The MEMPAC-M typically features additional redundancy within the membrane system and ancillary equipment as well as a biological or process modeling report. 

 
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MEMPAC-I

The MEMPAC-I is a multi-process system designed to handle extreme loading, solids and high-strength waste from industrial clients including wineries, breweries and other food and beverage manufacturers.  Every MEMPAC-I is custom engineered based on the client’s specific waste stream, discharge requirements and their beneficial reuse or Direct Industrial Reuse needs.  

 
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MEMPAC-E

Municipal clients with tight project budgets often seek economical treatment solutions capable of meeting stringent discharge and reuse requirements.  The MEMPAC-E, designed for low-flow ranges (5,000 – 50,000 GPD in influent flow increments of 5,000 gallons), has standard, streamlined designs and economized equipment selections while still incorporating most of the revolutionary features of the other MEMPAC models. Pricing on the MEMPAC-E is comparable to extended aeration systems.  This system has expedited construction and delivery timelines. 

 
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MEMPAC-H

Cloacina’s newest MEMPAC is a hybrid equipment supply package designed for clients that need wastewater treatment equipment but either already have or intend to supply their own tankage. This is ideal for extremely large projects and foreign clients that wish to minimize overseas shipping costs.  The MEMPAC-H uses Ultra Filtration (UF) membrane treatment and can either be a stand-alone unit or a complete MBR treatment system. These systems have expedited fabrication and delivery times and reduced on-site installation costs. 

 
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MEMPAC-R

Cloacina’s retrofit model transforms any existing wastewater treatment system into a membrane bioreactor while allowing clients to repurpose existing tanks and equipment.  This model is designed to be incorporated into wastewater systems that are not currently meeting discharge requirements, those that are facing more stringent discharge requirements in the future or those that want to reduce sewer surcharge fees.  Cloacina supplies all membrane equipment necessary for treatment to reuse standards.  Modular design and universal compatibility allow the MEMPAC-R to be easily incorporated into any existing wastewater treatment system.  A modular design allows for staged future expansion and upgrades. 


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Cloacina is proud to do our part to protect our water resources and the environment!  Our MEMPAC models offer clients and the public many environmental benefits:

  • Provides water for agricultural reuse

  • Aids in efficient water consumption

  • Can help decrease or prevent contamination of ground-water supplies

  • Helps support aquatic life by regulating nitrogen and nutrient levels in the water supply

  • MEMPACs occupy a much smaller footprint than other treatment systems

  • Automation and remote monitoring allows for easy operation which facilitates compliance even in remote locations

  • Ultrafiltration membranes can remove pathogens, bacteria and viruses

  • Reusing wastewater results in a lower water footprint for the client


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