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$70M+ TUNNEL PROJECT WILL ASSURE WATER RELIABILITY
2.3-mile tunnel will prevent rock and land slides from cutting off water to Manteca, Lathrop, farms
SSJID supply canal
Water flows into the main supply canal at Goodwin Dam.
It is a scenario South San Joaquin Irrigation District wants to avoid. A major rock or land slide on the western side of the steep Stanislaus River Canyon downstream from Goodwin Dam occurs between March and October.