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A. Residential Density Controls.
Tentative maps, Tentative Parcel Maps, and Certificates of Compliance proposing parcels for single-family dwellings must comply with the minimum parcel sizes set forth in the following table.Adjustment Plats on property zoned to permit residential use shall also comply with these minimum parcel sizes, except that an existing parcel smaller than the applicable minimum parcel size need not be made to conform to the minimum, so long as it is not further reduced in size by the Adjustment Plat:
Mean Annual Precipitation Minimum Parcel Size**
Precipitation* (inches) (Gross Acres)
Less than 9 20
9 to 12 15
12 to 15 11
15 to 18 8
18 to 21 5
More than 21 4
* Mean annual precipitation is to be determined from the County of San Diego map entitled “Groundwater Limitations Map” on file with the Clerk of the Board of Supervisors as Document No. 195172.
** Compliance with the minimum parcel size does not guarantee project approval; site-specific characteristics may indicate that either larger parcel sizes are required or that the project should not be approved in individual cases.
B. Groundwater Investigations. Any application listed in Section 67.711 and not subject to Sections 67.720, 67.721 or Paragraph A above, shall be accompanied by a Groundwater Investigation. The application shall not be approved unless the approving authority finds, based upon the Groundwater Investigation or other available information, either: (1) for a water intensive use, that groundwater resources are adequate to meet the groundwater demands both of the project and the groundwater basin if the basin were developed to the maximum density and intensity permitted by the General Plan; or (2) for all other projects, that groundwater resources are adequate to meet the groundwater demands of the project.
C. Well Tests. For any application for a Tentative Map, Specific Plan or Specific Plan Amendment, Tentative Parcel Map, Adjustment Plat or a Certificate of Compliance, well tests shall be performed for the number of lots shown in the following table. Tests shall be on lots which appear to have the least access to a viable groundwater supply as determined in advance of testing by the Director, who shall also specify nearby wells to be monitored while the testing is being conducted. If any well does not pass the requirements for Well Tests stated in Section 67.703 above, the Director may require additional well tests beyond what is required in the following table:
Number of Proposed Lots* Number of Required Well Tests
1 through 10 1
11 through 20 2
21 through 30 3
31 through 40 4
Greater than 40 5
* Excluding remainder parcels and “not a part” areas
(Added by Ord. No. 7994 (N.S.), effective 11-15-91; amended by Ord. No. 9644 (N.S.), effective 6-4-04; amended by Ord. No. 9826 (N.S.), effective 3-2-07; amended by Ord. No. 10167 (N.S.), effective 10-14-11)