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currently operates spreading facilities in the San Antonio area
on about nine hundred seventy (970) acres of land, about seven
hundred twenty (720) of which are owned in fee by PVPA and about
two hundred fifty (250) acres of land owned by others, but upon
which PVPA has the right to spread water. PVPA also spreads
on about seventy acres of land encompassing Thompson and Chicken
Creeks. (Figure 1-3) Spreading on the San Antonio Grounds is
under the direct control of PVPA; PVPA and Los Angeles County
Flood Control share spreading duties in Thompson Creek. In addition
the City of Pomona spreads water on about eight acres of its
fee owned land in the City of Claremont. The City of Pomona
controls spreading on those grounds.
Spreading in the San Antonio
Spreading Grounds and the Thompson Creek Spreading Grounds,
along with the Pomona Spreading Grounds directly and promptly
recharge the Canyon Basin and the Upper Claremont Heights
Basins. The other four basins are recharged by the underflow
from the upper basins and have retarded fluctuations in their
water levels.
The San Antonio
Spreading Grounds consist of an area of approximately 970 acres
(approximately 720 acres of which are owned in fee by PVPA)
lying southerly of the San Antonio Dam bounded on the south
by Baseline Road, on the west by Hollins Avenue, Padua Avenue
and portions of Moab Drive, Alamosa Drive, Trevecca Place, and
Fuller Drive, and on the east by portions of Benson Ave., Water
Street and Mountain Ave.
The Thompson Creek Spreading
Grounds consist of an area of approximately 140 acres bounded
on the east by Mills Avenue, on the north by the Claremont
Wilderness Park, and on the south by Pomello Avenue.Both areas
contain spreading ponds , dikes, gates and appurtenances which
allow the water to be spread and percolated into the underground
aquifers to be later pumped for the people of the Pomona Valley.
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