OCWD Management Area
Figure 5-3: Private Domestic, Irrigation and Industrial Wells in OCWD Monitoring Program
5.2.1 Groundwater Production Monitoring
All entities that pump groundwater from the basin are required by the OCWD District Act to report production every six months and pay a Replenishment Assessment. Owners or operators of wells with discharge outlets of two inches in diameter or less and supply an area of no more than one acre pay an annual flat fee as the Replenishment Assessment and do not have to report their production. Approximately 200 large-capacity production wells owned by 19 major water retail agencies account for ninety-seven percent of production. Large-capacity well owners voluntarily report monthly groundwater production for each of their wells. The production volumes are verified by OCWD field staff. Production data are used to evaluate basin conditions, calculate and manage basin storage, run groundwater model scenarios, and collect revenues.
BASIN 8-1 ALTERNATIVE 2022 UPDATE
Water Resource Monitoring Programs 5-4
Appendix F - 118
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