County of Los Angeles
Department of Public Health
Environmental Health
5050 Commerce Drive
Baldwin Park, CA 91706
(888) 700-9995
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Permitting Requirements for Exploration Hole (Boring) and Soil Vapor Probe
Exploration holes (or Borings) and Cone Penetrometer Tests (CPT) for the purpose of determining hydrological conditions at a site, which are conducted at a depth greater than 10 feet below ground surface in the vadose zone or at any depth in the saturated zone, are required to submit a work plan and application to the Drinking Water Program. If an exploration hole (or Boring) or Cone Penetrometer Test (CPT) does not exceed 10 feet below ground surface and is not located within the saturated zone, a work plan and application is not required.
No permit is required for Soil Vapor Probe installed in vadose zone. A permit will be required if they reach saturated zone during the installation of the probe.
To pay for your Public Health Permit and/or License using your Credit Card (Visa, MasterCard, American Express, or Discover), Debit Card, or Electronic Check (ECheck), please visit our
Payment Portal.
A convenience fee per transaction will apply. The convenience fees for Credit Card, Debit Card, and Electronic Check are 2.25% of payment, $1.49, and $0.95 respectively. Please have your Account ID and your Facility ID
numbers from your billing statement ready. Payment will only be accepted online for the total amount owed on an
account. Terms and Conditions apply. For more information about Permit and License Billing, please visit our
Payment information page
.
2017-2018 License/Permit Fees
