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August 2016
6-6
City of Morgan Hill
2015 Urban Water Management Plan
6.2.4
Historical Groundwater Pumping
Law
There are currently 16 existing municipal groundwater wells located throughout the City, as shown
on
Figure 6-2
. The combined supply capacity for these wells is approximately 21,600 afy. The
firm capacity, designated as the total capacity less the largest unit out of service, of the City wells
is approximately 19,200 afy. The volume of groundwater pumped by the City over the past five
years is summarized in
Table 6-1
.
Table 6-1 Groundwater Volume Pumped
Groundwater
Type
Location or Basin Name
Volume
2011
2012
2013
2014
2015
(AF)
(AF)
(AF)
(AF)
(AF)
Alluvial Basin
Gilroy-Hollister Groundwater
Basin, Llagas Subbasin
6,076
6,203
7,454
6,195
4,741
Alluvial Basin
Santa Clara Valley
Groundwater Basin, Santa
Clara Subbasin, Coyote Valley
Subarea
1,381
1,374
1,484
1,300
1,105
Total
7,457
7,577
8,938
7,495
5,846
6.3 SURFACE WATER
At the time of preparation of the 2015 UWMP, the City does not use surface water as part of its
water supply.
6.4 STORMWATER
At the time of preparation of the 2015 UWMP, the City does not use stormwater as part of its
water supply.
6.5 WASTEWATER AND RECYCLED WATER
This section discusses the use of recycled water and the characteristics of the wastewater
collected by the City for treatment.
10631. (b) …if groundwater is identified as an existing or planned source of water available to the
supplier, all of the following information shall be included in the plan:
10631 (iii) A detailed description and analysis of the location, amount, and sufficiency of
groundwater pumped by the urban water supplier for the past five years. The description
and analysis shall be based on information that is reasonable available, including, but not
limited to, historic use records.