sentences:  The policy allows the appropriators to have rights over the surplus water and enforces them to verify their water savings by the water resources department.Out of the four states that adapted the Conserved Water Statutes, Oregon is often renowned to be the most successful.According to "How Expanding The Productivity of Water Rights Could Lessen Our Water Woes," Oregon’s Oregon Water Resources Department (OWRD) has been a success because a high percentage of submitted applications submitted, and the OWRD serves as a good intermediaries that help appropriators to conserve water.