Draft 2025 Urban Water Management Plan

OCWD Management Area

Table 4-1 Water Budget, WY2016-17 to 2020-21

FLOW COMPONENT

2016-17 2017-18 2018-19 2019-20 2020-21

INFLOW

Santa Ana River baseflow

70,000

65,400

98,000

74,500

76,400

Santa Ana River stormflow

65,400

24,100

63,700

79,500

36,600

Recycled Water (GWRS/Alamitos Barrier)

98,000 106,400

97,200

99,700 101,700

Imported Water

50,400

66,100

40,300

18,100

0

Net Estimated Unmeasured or Incidental Recharge*

67,900

26,200

45,600

41,400

19,100

TOTAL INFLOW:

351,700 288,200 344,800 313,200 233,800

OUTFLOW

Groundwater Production

300,700 237,200 303,800 277,200 281,800

TOTAL OUTFLOW:

300,700 237,200 303,800 277,200 281,800

CHANGE IN STORAGE:

51,000

51,000

41,000

36,000 (48,000)

BASIN 8-1 ALTERNATIVE 2022 UPDATE

Water Budget 4-1

Appendix F - 114

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