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Region 9 Contacts

Biosolids Coordinator

Lauren Fondahl
USEPA Region 9 (WTR-7)
CWA Compliance Office
75 Hawthorne Street
San Francisco, CA 94105-3901
Tel: 415-972-3514
Fax: 415-947-3549
fondahl.lauren@epa.gov  

Anna Yen
USEPA Region 9 (WTR-7)
Pretreatment and Biosolids Programs
75 Hawthorne Street
San Francisco, CA 94105-3901
TEL: 415-972-3976
FAX: 415-947-3549
yen.anna@epa.gov

Pretreatment Coordinator

Keith Silva
U.S. EPA - Region 9
CWA Compliance Office (WTR-7)
75 Hawthorne Street
San Francisco, CA 94105-3901
Tel: 415-744-1907
Fax: 415-744-1235
silva.keith@epa.gov  

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Region 9: Hawaii

Arizona | California | Hawaii | Nevada

State Contacts

Biosolids Coordinator
Libby Stoddard

Wastewater Branch

HI Department of Health

919 Ala Moana Blvd., Room 309

Honolulu, HI 96814

Tel: 808-586-4294

Fax: 808-586-4300 
 
Lilian.stoddard@doh.hawaii.gov


Pretreatment Coordinator
Alec Wong
Chief 
Clean Water Branch 

Hawaii Department of Health 

P.O. Box 3378 

500 Ala Moana Blvd. 

Honolulu, HI 96801-3378 

Tel: 808-586-4309
Alec.wong@doh.hawaii.gov