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HANDOUT FOR COLTON CITY COUNCIL Page 3 of 5 Principles of Agreement I High quality local run-off, SPW, Bunker Hill groundwater and San Bernardino wastewater will be recharged in the Colton Basin in either the existing streambed or in run -of -river recharge facilities. New recharge facilities, if constructed, would be located in the river from about Interstate 10 to La Cadena Avenue bridge. A new well field would be constructed to recover groundwater near the river. Production capacity of the new well field could range from 15 mgd to as high as 20 mgd. Product water could be delivered to the city of Colton, city of Riverside, Riverside Highland and West San Bernardino County Water District. The locations of these facilities are shown schematically in Plate 1. Initial Project Description. In the initial version of this project, poor quality groundwater would be removed, as in the ultimate project, however, at a significantly lower rate. The rate at which the basin is pumped down would be based on available production capacity and on ease of implementation. The rate of groundwater removal will be determined in Phase I environmental studies. Currently, the Initial project C will use either Riverside's Mill well or Flume number 2 well. Table 4 shows the time history of production for Initial Project C using Flume number 2. Groundwater quality would be restored over a longer period. No run -of -river recharge facilities would be constructed, that is, recharge in the river would be incidental. Recharge of tertiary - treated effluent from San Bernardino would not occur. New groundwater production facilities for recovery of high quality groundwater would not be constructed. AGREEMENTS FOR PROJECT B Agreement for Purchase of Reclaimed Water Issue. The sellers of reclaimed water are the cities of Colton and San Bernardino. The buyer of reclaimed water will be YR WD. The issues to be resolved are ownership, price and quality of reclaimed water and of groundwater produced in Initial Project B. s Resolution. WMWD and OCWD agree that the wastewater dedicated to Initial Project B is owned by the cities of Colton and San Bernardino, and that WMWD will purchase an amount of reclaimed water equal to the volume of groundwater produced in Project B. The cities will agree not to enter into any agreement that will commit or cause reclaimed water currently produced by each city to be discharged outside the boundary of the Santa Ana Watershed for a period equal to the duration of Initial Project B. This agreement does not preclude the cities from participating Revised Principles, Version 3 - 4 -