The company is now growing its portfolio from municipal wastewater projects to include industrial contracts, desalination and water-reuse projects.

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It supports municipal wastewater facilities, estuary protection projects, and nonpoint source pollution control.

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The EPA wants to monitor municipal wastewater treatment plants that receive certain types of silicones to assess whether they cause any harm to the environment.

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Patents have been filed, the senior team assembled, and letters of intent collected from Aera Energy (heavy oil), PERC Water (municipal wastewater), Filterboxx (oil sands in Calgary), and EPRI.

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Of three possible municipal wastewater (sewage) effluents evaluated as a source of N and P, the most effective was source-separated urine with a very high content of these elements, in which case growing algae became more environmentally beneficial than the land-based crops.

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Levels of phosphates in fresh waterways can be much higher than normal because of contamination from municipal and domestic wastewater, whether you're hooked up to a sewer or have a septic system, says Helen Suh MacIntosh, an associate professor in environmental health at Harvard University.

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