PD-17-00001 Marian Meadows Full Record with Index (2)

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Marian Meadows Rezone and Subdivision Final Environmental Impact Statement 1-23 Public Service – Mail Service The likely impact of any of the cumulative impact scenarios under any alternative would result in mail demand similar to a small town. Acquisition of a new post office with greatly expanded individual mailboxes, or rural delivery, or both are the likely mitigating measures for increased demand for service. Utilities – Water The provision of additional storage east of I-90 would improve water service to that portion of the Easton Water District Service Area. Alternatives 1 and 2 with 443 units have substantially different water demand with different tenure options. Tenure Scenarios 1 and 2 with a higher proportion of full-time residences (workforce and retired) have substantially higher water demand. All the tenure options exceed the current Easton Water District water rights of 137.2 acre-feet (ac-ft) per year with existing use of 71 ac-ft resulting in up to 61 additional ac-ft per year available for new hookups. If the pending water rights application for an additional 112 ac-ft per year were approved, the resulting rights of 252 ac-ft per year would result in 178 ac-ft available for new hookups. This amount would not be adequate for any options except Tenure Scenario 4 with 50 percent seasonal residents. If provision is made for reserving water supply for existing platted lots and the land within the Limited Area of More Intense Rural Development (LAMIRD), the district is not likely to have sufficient water rights for any scenarios. Alternatives 3A, 3B, and 4 water demand for 147 units is proportionally lower than Alternatives 1 and 2. Tenure Scenarios 3 and 4with seasonal residents totaling 35 percent and 50 percent, respectively, are within the 61 additional ac-ft per year available for new hookups under the existing Easton Water District water rights including only existing use. If provision is made for reserving water supply for existing platted lots and the land within the LAMIRDs, the district is not likely to have sufficient water rights. If the pending water rights application for an additional 112 ac-ft per year were approved, all tenure scenarios would be adequately served by the 178 ac-ft available for new hookups. Alternatives 3D and 5 water demand for 113 units is within the 61 additional ac-ft per year available for new hookups according to the existing Easton Water District water rights including only existing use. If provision is made for reserving water supply for existing platted lots and the land within the LAMIRDs, the district is not likely to have sufficient water rights. If the pending water rights application for an additional 112 ac-ft per year were approved, all tenure options would be adequately served by the 178 ac- ft available for new hookups Alternative 3C water demand for 33 units is within the 61 additional ac-ft per year available for new hookups including only existing use. If provision is made for reserving water supply for existing platted lots and the land within the LAMIRDs, the district is still likely to have sufficient water rights. One consequence of the alternatives is the use of much of the existing capacity of the water system. If more water is used by the Marian Meadows development, less is available for other users.