Winners and Losers in Water Conservation (IMAGE) North Carolina State University Caption This map shows spatio-temporal patterns of water-use efficiency (per-capita consumption) across the continental United States. Colors indicate the change in per-capita consumption, in gallons per day per person, computed as the difference between 2010 and 1985 estimates. The numbers shown in each state indicate the number of 5-year periods each state reduced its per-capita withdrawals from 1985 to 2010. Credit Sankar Arumugam Usage Restrictions Image credit must be given. License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.