Find Another Representative

Select a state or province:

California Representatives

There are 2 representatives in the area you selected.

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


Minnesota Wastewater Operators Conf
Timber Lodge
Grand Rapids, MN
July 22-24, 2014
Event Website

Tri-State Conference
South Point Convention Center
Las Vegas, NV
September 22-25, 2014
Event Website

New Orleans Morial Convention Center
New Orleans, LA
September 28-October 1, 2014
Event Website

Class A Solids Success Story
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%.


Subscribe to our
quarterly newsletter