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Local Oversight Program


Alameda County El Dorado County Humboldt County Merced County 
Napa County Nevada County Orange County Riverside County
Sacramento County San Diego County City & County of SF San Joaquin County
San Mateo County Santa Barbara County Santa Clara County Solano County
Sonoma County Stanislaus County Tulare County Ventura County

* Main contact person


ALAMEDA COUNTY

Ariu Levi, Director
Ariu.levi@acgov.org

Alameda County Environmental Health
1131 Harbor Bay Parkway, 2nd Floor
Alameda, CA 94502-6577
(510) 567-6777
FAX (510) 337-9335

Donna L. Drogos, PE*
Donna.drogos@acgov.org

LOP Program Manager
Alameda County Environmental Health
1131 Harbor Bay Parkway, 2nd Floor
Alameda, CA 94502-6577
(510) 567-6721
FAX (510) 337-9335

EL DORADO COUNTY

Gerri Silva, Director*
Gsilva@co.el-dorado.ca.us

El Dorado County Environmental Management Department
Hazardous Materials Division
2850 Fairlane Ct. Bldg. C
Placerville, CA 95667
(530) 621-6653
FAX (530) 621-7130
Barbara Houghton, Program Manager*
barbara.houghton@edcgov.us

El Dorado County Environmental Management Department
Hazardous Materials Division
2850 Fairlane Ct. Bldg. C
Placerville, CA 95667
(530) 621-6649
FAX (530) 621-7130

HUMBOLDT COUNTY

Melissa Martel, Director
MMartel@co.humboldt.ca.us

County of Humboldt
Division of Environmental Health
100 H Street, Suite 100
Eureka, CA 95501
(707) 268-2220
FAX (707) 268-5699
Front Desk - (707) 445-6215
Larry Lancaster, Program Manager*
llancaster@co.humboldt.ca.us

County of Humboldt
Division of Environmental Health
100 H Street, Suite 100
Eureka, CA 95501
(707) 268-2212

MERCED COUNTY

Ron Rowe, Director*
Rrow@co.merced.ca.us

Merced County, Department of Public Health
Division of Environmental Health
260 E. 15th Street
Merced, CA 95341
(209) 381-1100
FAX (209) 384-1593

NAPA COUNTY

Steven Lederer, Director*
Slederer@co.napa.ca.us

Napa County Department of Environmental
Management
1195 Third Street, Room 101
Napa, CA 94559-3082
(707) 253-4471 ATSS 528-4471
FAX (707) 253-4545
James Newman, Professional Geologist
Jnewman@co.napa.ca.us

Napa County Department of Environmental Management
Division of Environmental Health
1195 Third Street, Room 101
Napa, CA 94559-3082
(707) 253-4471 ATSS 528-4471
FAX (707) 253-4545

NEVADA COUNTY

Westly Nicks, Director
Wesley.Nicks@co.nevada.ca.us

Nevada County Environmental Health Department
950 Maidu Ave.
Nevada City, 95959
(530) 265-1464
FAX (530) 265-9853
David Huff, Program Manager*
David.Huff@co.nevada.ca.us

Nevada County Environmental Health Department
950 Maidu Ave.
Nevada City, 95959
(530) 265-1767
FAX (530) 265-9853

ORANGE COUNTY

Richard Sanchez, Director
Risanchez@ochca.com

Orange County Health Care Agency
Division of Environmental Health
1241 E. Dyer Rd., Ste. 120
Santa Ana, CA 92705-4720
(714) 433-6471
FAX (714) 754-1768
Anthony Martinez, Program Manager*
Amartinez@ochca.com

Orange County Health Care Agency
Division of Environmental Health
Hazardous Materials Mitigation Section
1241 E. Dyer Rd., Ste. 120
Santa Ana, CA 92705-4720
(714) 433-6011
FAX (714) 754-1768

RIVERSIDE COUNTY

Steve Van Stockum, Director
SVANSTOC@co.riverside.ca.us

County of Riverside-Health Services Agency
Department of Environmental Health
Hazardous Materials Management Division
P. O. Box 7600
Riverside, CA 92513-7600
4065 County Circle Drive
Riverside, CA 92503
(951) 358-5316
FAX (951) 358-4529
Sharon Boltinghouse, Professional Geologist*
Sbolting@rivcocha.org

County of Riverside
Department of Environmental Health
Environmental Cleanup Programs
3880 Lemon St., Suite 200
Riverside, CA 92501
(951) 955-8982
FAX (951) 955-8988

SACRAMENTO COUNTY

Val Siebal, Director
SiebalV@saccounty.net

County of Sacramento
Environmental Management Department
Hazardous Materials Division
10590 Armstrong Avenue, Suite A
Mather, CA 95655
(916) 875-8444
FAX (916) 875-8513
Cheryl Hawkins, Supervisor*
hawkinsc@saccounty.net

County of Sacramento
Environmental Management Department
Environmental Compliance Division
10590 Armstrong Avenue, Suite A
Mather, CA 95655
(916) 875-8429 (direct)
FAX (916) 875-8513


SAN DIEGO

Mark McPherson, Chief
Mark.McPherson@sdcounty.ca.gov

County of San Diego
Land and Water Quality Division
Site Assessment and Mitigation
PO Box 129261
San Diego, CA 92112-9261
5500 Overland Avenue, Suite 210
San Diego CA 92123
(858) 495-5572
FAX (858) 505-6891
Scott Weldon, Supervisor*
Scott.Weldon@sdcounty.ca.gov
County of San Diego

Site Assessment and Mitigation Division
PO Box 129261
San Diego, CA 92112-9261
5500 Overland Avenue, Suite 210
San Diego, CA 92123
(858) 505-6843
FAX (858) 505-6891

CITY AND COUNTY OF SAN FRANCISCO

Richard J. Lee, Director
Richard.Lee@sfdph.org

Department of Public Health
Environmental Health
Site Assessment and Mitigation
1390 Market Street #210
San Francisco, CA 94102
(415) 252-3992
FAX (415) 252-3930
Scott Nakamura, Program Manager*
Scott.Nakamura@sfdph.org

Department of Public Health
Environmental Health Management
Hazardous Materials Division
1390 Market Street #210
San Francisco, CA 94102
(415) 252-3994
FAX (415) 252-3930

SAN JOAQUIN

Donna Heran, REHS, Director
Dheran@sjcehd.com

San Joaquin County
Environmental Health Department
1868 E. Hazelton Avenue
Stockton, CA 95205
(209) 468-3429
FAX (209) 468-3433
Adrienne Ellsaesser, Supervising REHS*
aellsaesser@sjcehd.com

San Joaquin County
Environmental Health Department
1868 E. Hazelton Avenue
Stockton, CA 95205
(209) 468-0343
FAX (209) 468-0341

SAN MATEO

Dean Peterson, PE, REHS, Director
dpeterson@co.sanmateo.ca.us

County of San Mateo Health Services Agency
Environmental Health Services Division
Groundwater Protection Program
2000 Alameda de las Pulgas, Suite 100
San Mateo, CA 94403
(650) 372-6222
FAX (650) 627-8244
Greg Smith, RG, Program Coordinator*
gjsmith@co.sanmateo.ca.us

County of San Mateo Health Services Agency
Environmental Health Services Division
Groundwater Protection Program
2000 Alameda de las Pulgas, Suite 100
San Mateo, CA 94403
(650) 372-6279
FAX (650) 627-8244

SANTA BARBARA

Chris Hahn, Fire Marshal

County of Santa Barbara Fire Department
Protection Services Division
Hazardous Materials Unit
4410 Cathedral Oaks Road
Santa Barbara, CA 93110
(805) 681-5554
FAX (805) 681-5563
Eric Peterson, Fire Marshal*
e.peterson@sbcfire.com

County of Santa Barbara Fire Department
Protection Services Division
Hazardous Materials Unit
4410 Cathedral Oaks Road
Santa Barbara, CA 93110
(805) 681-5525
FAX (805) 681-5563

SANTA CLARA COUNTY

Dennis Kalson, Acting Director

Department of Environmental Health
Hazardous Materials Compliance Division
1555 Berger Drive, Suite 300
San Jose, CA 95112-2716
(408) 918-1955
FAX (408) 280-6479
Michael Balliet, Program Manager*
Michael.Balliet@deh.sccgov.org

Department of Environmental Health
Hazardous Materials Compliance Division
1555 Berger Drive, Suite 300
San Jose, CA 95112-2716
(408) 918-1976
FAX (408) 280-6479

SOLANO

Bill Emlen, Director

Solano County Department of Resource Mgmt
675 West Texas St., Suite 5500
Fairfield, CA 94533
(707) 784-6765
FAX (707) 784-4805

Misty Kaltreider, Engineering Geologist*
MKaltreider@solanocounty.com

Solano County Department of Resource Mgmt
675 West Texas St., Suite 5500
Fairfield, CA 94533
(707) 784-3311
FAX (707) 784-4805

SONOMA

Christine Sosko, Interim Director


County of Sonoma
Environmental Health Division
625 5th Street
Santa Rosa, CA 95405
(707) 565-6521
FAX (707) 565-6525

Leslye Choate, Supervisor*
Lchoate@sonoma-county.org

County of Sonoma
Environmental Health Division
625 5th Street
Santa Rosa, CA 95405
(707) 565-6521
FAX (707) 565-6525

STANISLAUS

Sonya Harrigfeld , Director


Stanislaus County
Department of Environmental Resources
3800 Cornucopia Way Suite C
Modesto, CA 95358-9492
(209) 525-6767
FAX (209) 525-6774
Nicole Damin, Supervisor*
Ndamin@envres.org

Stanislaus County
Department of Environmental Resources
Hazardous Materials Division
3800 Cornucopia Way Suite C
Modesto, CA 95358-9492
(209) 525-6725
FAX (209) 525-6774

TULARE

Lawrence A. Dwoskin, Director
Ldwoskin@tularehhsa.org

County of Tulare
Health & Human Services Agency
Health Services Branch
5957 S. Mooney Boulevard
Visalia, CA 93277
(559) 733-6441
FAX (559) 733-6932
Joel Martens, Program Manager*
JMartens@tularehhsa.org

County of Tulare
Health & Human Services Agency
Health Services Branch, Environmental Health
Services Division
5957 S. Mooney Boulevard
Visalia, CA 93277
(559) 733-6441 ext 2814
FAX (559) 733-6932

VENTURA

Doug Beach, Manager*
Doug.Beach@ventura.org

County of Ventura
Hazardous Materials Section
Environmental Health Division
800 South Victoria Avenue
Ventura, CA 93009-1730
(805) 654-3519
FAX (805) 654-2480

Erin O'Connell, Supervisor
Erin.O'Connell@ventura.org

County of Ventura
Environmental Health Division
800 South Victoria Avenue
Ventura, CA 93009-1730
(805) 662-6511
FAX (805) 477-1595