Inland Empire Regional Composting Authority                                    Protecting Our Earth

About Us:

The  Inland Empire Regional Composting Authority (IERCA) was created as a public entity on February 27, 2002 by a Joint Powers Agreement (JPA) between the  Inland Empire Utilities Agency (IEUA) and County Sanitation Districts  of LA County (CSDLAC). This agreement empowered  both IEUA and CSDLAC  to acquire, construct, operate and maintain a composting facility. IEUA and CSDLAC have jointly evaluated composting as an economically and environmentally sound method of beneficially reusing biosolids that are generated from the wastewater treatment facilities operated by each.

IERCA Board of Directors:

  • Gene Koopman, Chairman
    • Inland Empire Utilities Agency  
  • Angel Santiago, Director
    • Inland Empire Utilities Agency 
  • John Anderson, Director
    • Inland Empire Utilities Agency 
  • Richard W. Atwater, Director
    • Inland Empire Utilities Agency
  • Jon Blickenstaff, Vice President  
    • Sanitation Districts of Los Angeles County  
  • Manuel E. Guillen, Director 
    • Sanitation Districts of Los Angeles County
  • John McTaggart, Director
    • Sanitation Districts of Los Angeles County
  • Stephen Maguin, Director
    • Sanitation Districts of Los Angeles County 

IERCA will focus on:

    • Manufacturing in a cost effective manner an Exceptional Quality Compost in compliance with all local, state and federal regulations covering biosolid products
    • Promoting conservation and environmental protection while marketing SoilPro product compost for healthy soils
    • The success of the IERCA depends on teamwork, mutual trust and respect, and commitment to the highest standards of quality, responsibility, accountability and dedication

Contact Us:

  • Inland Empire Regional Composting Authority
    12645 Sixth Street
    Rancho Cucamonga, CA 91739
    909-993-1500

For more information or to order compost please contact:

  • Product Sales: John Robison 909-664-7824 or Jim Cleveland 909-664-7439
  • Deputy Manager of Operations and Organics: Jeff Ziegenbein 909-993-1981
  • Project Manager: Patrick Sheilds 909-993-1806

For Media information please contact:

  • IEUA Public Information Officer, Sondra Elrod 909-993-1747
  • Sanitation Districts of LA County, Public Information Office 562-699-7411        ext 2301