Why is it important to replenish the aquifer?

For many years, the amount of water used from the aquifer has exceeded the natural replenishment of the aquifer. This imbalance caused an “overdraft” of the Coachella Valley groundwater basin. Overdrafting a groundwater basin causes water levels to drop and can have serious consequences, including increased pumping costs for all water users, land subsidence and water quality issues. The comprehensive Coachella Valley Water Management Plan (PDF) and Mission Creek Garnet Hill Water Management Plan (PDF) guide CVWD in its efforts to eliminate overdraft and comply with the Sustainable Groundwater Management Act (SGMA). Replenishing the aquifer with imported water is a critical means for achieving this.

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1. What is the purpose of the RAC?
2. Why is it important to replenish the aquifer?
3. Who pays the RAC?
4. If I don’t use this amount of water, how does this apply to me?
5. What is the Current RAC?
6. What is the reason for the latest increase?