Who are we?
Downstream Environmental is a wastewater processing/innovative technology company.  The company's business is disposal and processing of transportable non-hazardous liquid waste (grease, grit and septage).  Our plant is company-owned and operated in Houston, Texas.

Downstream has become the leading expert in the technical, political and regulatory problems that affect the grease, grit and septage disposal industry. 

Downstream built and tested a pilot plant proving the technical and economic merit of Downstream Environmental's proprietary process in 1997 and 1998. 

Currently, the company operates a three-acre plant site located in southwest Houston near Beltway 8 at Westpark Drive, located at 3737 Walnut Bend.  Plant phone number is 713.784.2005.

Downstream has obtained a Type V Permit and is legally authorized by the State of Texas Commission for Environmental Quality and the City of Houston to operate a wastewater treatment plant on the Westpark site.  A 150,000-gallon per day plant design has been approved by the State of Texas.

Hours of operations
The plant's operating hours are Monday through Friday from 7:00 a.m. to 6:00 p.m. and Saturday from 8:00 a.m. to 12:00 p.m.

Location
Downstream's plant is located at 3737 Walnut Bend, Houston, Texas 77042.  Take Beltway 8 to the Westpark Exit.  Go 1/2 mile west on Westpark to the intersection of Walnut Bend and Westpark.  There is a DHL facility on the southeast corner of Westpark and Walnut Bend.   Go south on Walnut Bend the street will dead end into the front entrance gate of Downstream Environmental's plant.  The plant is located right off Westpark west of Beltway 8 and east of Wilcrest.  This is known as the Westchase District.