Water Practice Case Study

Water Plant in SoCal Desert


Total Cost Savings Identified
Proposed Savings (kWh)
Proposed Savings (kW)

Main Problems

  1. Non-automated control systems
  2. Trihalomethanes (THM)


Plant Type

Class III conventional water treatment plant

Plant Size (MGD)


The AESC team evaluated three categories of cost savings opportunities including operational measures, energy efficiency, and energy supply measures. The team evaluated the cost to treat for trihalomethanes (THM), a harmful pollutant, and proposed a process control strategy that reduces THM formation through optimized chemical dosing and mixing coupled with real-time THM measurement. The measures were successful in reducing THM formation and reducing energy and chemical costs. Additionally, the AESC team evaluated the integration of solar PV generation that has a 5-year simple payback.

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