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Coombs Hopkins

Covers: All counties north of San Luis Obispo, Kern and San Bernadino.

Coombs Hopkins Coombs Hopkins
2855 Mitchell Drive
Suite 215
Walnut Creek, CA 94598


Contact Information

Name: Dave Frost
Phone: 925-947-6733
Fax: 925-947-6784

Coombs Hopkins

Covers: All counties south of and including San Luis Obispo, Kern and San Bernadino.

Coombs Hopkins Coombs Hopkins
5411 Avenida Encinas
Suite 250
Carlsbad, CA 92008


Contact Information

Name: Bruce Zimmerman
Phone: 760-931-0555
Fax: 760-931-9115


European TAG 7 - Thermal Process Systems Presentation                                                                                                                                                         Watch Video      Use password isle123

 **For Immediate Release**  Evaluation the use of Biosolid based fertility treatments for use on high quality turf in the Chicago area in 2015 - E.J. Nangle, R.V. Townsend, F.D Dinelli  Read More

Class A Solids Success Story

Texas Water 2017 
Austin, TX
April 10 -13
More information»

Huntingdon Borough WWTP
Huntingdon, PA
WWTP wins award - click below to learn more!
Facility Details »

$109 / dry ton, Amazing!
In 2004, the City of Bowling Green, Ohio, installed Ohio's first TPS ThermAer Process expanding the plant capacity from 6 MGD to 10 MGD. This energy efficient process offered superior solids reduction and an odor-free operation. Doug Clark, Water Pollution Control Superintendent, calculated 2009 treatment costs at a remarkable $109 per dry ton. In addition, 38% total solids are coming off the centrifuge.

Speedway, IN - The TPS SNDR following anaerobic digestion shows exceptional results. Preliminary average results since May 2012 start up are: ammonia filtrate concentration of 14 mg/L plus an additional volatile solids reduction of 38%.

TPS INTRODUCES THE THERMSOLAER!!! ThermSolAer combines the proven technology of the ThermAer and the TerSolair - one of Europes' leading solar dryers - which can reduce or even elimniate biosolids management costs. This Class A, organically bound material, dried to high levels, is a valuable source of nutrients for local landscapers, golf courses and the community. The addition of an 'Augmented' Energy Recovery' process makes the ThermSolAer an energy efficient, sustainable-year round, green process. Benefits include an odor free dried cake, smaller footprint and a potential profit center. Contact us at 219 / 663 - 1034 to learn more.

GENENA, NEW YORK AND CONESTOGA-ROVERS & ASSOCIATES WIN A 2015 ACEC New York Platinum Award for their Digester and Grit Systems Improvements Project. This award, inclusive in the Waste and Storm Water category, will be presented on March 28, 2015 at the Waldorf Astoria, New York, NY! Congradulations to all those involved in making this project a tremendous success!

NEW YORK WEA 2016 Annual conference to showcase the Genena ThermAer installation.  On Tuesday, February 9, Eric Haslam of GHD and Robert Wooldridge of Thermal Process Systems, will present Conversion from In-Vessel Compost to Aerobic Digestion for Production of Class A Biosolids.  In addition, on Wednesday, February 10, Scott Crosswell and Howard Butler both of GDH will present Next Generation ATAD Philosophy and Start Up Lessons.  Click for Program

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