Contact ELAP


By Email

  • ELAP Main - elapca@waterboards.ca.gov

    Use this email address to submit your application and for general questions regarding application procedures and statuses.

  • Proficiency Testing Questions – elapca_pt@waterboards.ca.gov

    For questions regarding Proficiency Testing requirements, email our PT Unit directly.

  • Technical Questions - elapca_technical@waterboards.ca.gov

    To obtain technical guidance regarding method and laboratory procedures, email our technical inbox. This inbox is also used to submit Change of Personnel requests.

  • Comments – elapca_comments@waterboards.ca.gov

    This inbox is used when ELAP has requested comments on program reforms, proposals, and regulations development. You may also submit comments outside of those times on any topics.

By Phone

Call (916) 323-3431

By Mail

Sacramento Headquarters
Street Address:
Joe Serna Jr. CalEPA Headquarters Building
State Water Resources Control Board
Environmental Laboratory Accreditation Program
1001 I Street
Sacramento, CA 95814

Mailing Address:
State Water Resources Control Board
Environmental Laboratory Accreditation Program
P.O. Box 100
Sacramento, CA 95812-0100

Glendale Field Office
500 N. Central Avenue, Suite 500
Glendale, CA 91203

Richmond Field Office
850 Marina Bay Parkway, Bldg. P, 1st Floor, MS 0511
Richmond, CA 94804