Richard Sanchez Chief, Environmental Health Division Dennis Green Chief, Hazardous Materials Division Dana Booth Supervising Environmental Specialist Susan Williams Environmental Specialist III SACRAMENTO COUNTY ENVIRONMENTAL MANAGEMENT DEPARTMENT (EMD) WELL ORDINANCE REVISION Well Ordinance Revision

SACRAMENTO COUNTY ENVIRONMENTAL MANAGEMENT DEPARTMENT (EMD) Well Ordinance Revision HISTORY  First Adopted by Sacramento County April 1975  Revised November 1992 (Water Code changes)  Current Revision begun in 1998 (Water Code changes plus)  Held Four Workshops  Provided Mass Mailings History

SACRAMENTO COUNTY ENVIRONMENTAL MANAGEMENT DEPARTMENT (EMD) Well Ordinance Revision WATER CODE CHANGES  Inclusion of Standards for Geothermal Heat Exchange Wells  The California Department of Water Resources (DWR), in conjunction with both private and public sector participants, has drafted Standards  DWR expects to publish a Supplement to Bulletin next year including those Standards  We propose to incorporate those Standards into our Well Ordinance Water Code Changes

SACRAMENTO COUNTY ENVIRONMENTAL MANAGEMENT DEPARTMENT (EMD) Well Ordinance Revision ADDITIONAL PROPOSED CHANGES  Mechanical Pumping: Requires that subaqueous grout seals be placed via mechanical pumping  Tremie Seal Placement: Requires that the discharge end of any tremie device be continuously submerged in the sealing material  Consultation Zone: Formalizes an existing mechanism for special review of permit applications near sites of known soil and/or groundwater contamination  For sites under its direction, the State has provided… Additional Proposed Changes

SACRAMENTO COUNTY ENVIRONMENTAL MANAGEMENT DEPARTMENT (EMD) Well Ordinance Sample Plume Map

Groundwater Plume Site Table

SACRAMENTO COUNTY ENVIRONMENTAL MANAGEMENT DEPARTMENT (EMD) Well Ordinance Revision ADDITIONAL PROPOSED CHANGES (continued)  McClellan AFB Prohibition Area: Moves the prohibition for new well construction in/around McClellan from Chapter 6.29 into Chapter 6.28  Reporting Requirement: Requires that soil and/or groundwater contamination discovered during the construction of a boring/well be reported within two working days of verification Additional Proposed Changes (Continued)

 Administrative Penalties: Adds administrative fine/penalty language to allow more efficient/effective enforcement of the Well Standards  Permit Extensions: Adds a provision allowing a one-year extension of an expired permit at a cost of 20% of the original fee  Inspection Notification: Reduces the notification requirement to one business day prior to the requested inspection time  Permit Simplification: Allows multiple wells (with similar construction specifications) to be permitted on a single application form with a single fee – if requested by the project proponent and subject to approval by EMD  Best Available Technology: Adds a provision to allow the use of new materials, and techniques, that meet or exceed the Standards SACRAMENTO COUNTY ENVIRONMENTAL MANAGEMENT DEPARTMENT (EMD) Well Ordinance Revision Summary

SACRAMENTO COUNTY ENVIRONMENTAL MANAGEMENT DEPARTMENT (EMD) Well Ordinance Revision Q and A Q & A