esm223_13_Reading_Grebbien_OCWD_2003

esm223_13_Reading_Grebbien_OCWD_2003 - Well is There Water...

Info iconThis preview shows pages 1–8. Sign up to view the full content.

View Full Document Right Arrow Icon

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full Document Right Arrow Icon

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full Document Right Arrow Icon

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full Document Right Arrow Icon

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full Document Right Arrow Icon
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: Well, is There Water or Not? ACWA Fall Conference 2003 Virginia Grebbien OCWD Orange County Water District 12 Step Program To recover from overdraft OCWD Factoids Newport Beach Long Beach 2 miles The 350-sq. mi. Orange County Ground Water Basin supplies 324,000 af/yr (66% of demand) to 2.3 million people. Step 1 Hit Rock Bottom-800-700-600-500-400-300-200-100 100 ACCUMULATED (Acre-feet) Thousands 1955 1960 1965 1970 1975 1980 1985 1990 1995 2000 2005 Basin Full 1969 * ACCUMULATED OVERDRAFT (acre-feet X 1,000) Target storage level Operating Range Basin Full in 1969 Step 2- 50,000 100,000 150,000 200,000 250,000 300,000 350,000 400,000 450,000 91-92 92-93 93-94 94-95 95-96 96-97 97-98 98-99 99-00 00-01 01-02 AFY SAR Base Flow Natural Incidental Recharge Captured SAR Storm Flow Imported water Groundwater Production Admit We Have a Problem Step 3 Accept a Higher Power Step 4 Admit the Exact Nature of Our Wrongs Groundwater Basin Management Challenges • Insufficient Recharge Capacity • 250,000 afy of capacity • Overdraft • 408,000 af • Seawater Intrusion • 500 ft/yr Step 5...
View Full Document

{[ snackBarMessage ]}

Page1 / 18

esm223_13_Reading_Grebbien_OCWD_2003 - Well is There Water...

This preview shows document pages 1 - 8. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online