Tier 1 Supply Rate - recovers the of cost of maintaining a reliable amount of supply.

Tier 2 Supply Rate - set at Metropolitan's cost of developing additional supply to encourage efficient use of local resources.

Water Supply Surcharge - recovers the cost of additional water transfers necessary as a result of pumping restrictions in the Sacramento-San Joaquin River Delta.

System Access Rate – recovers a portion of the costs associated with the delivery of supplies.

System Power Rate – recovers Metropolitan’s power costs for pumping supplies to Southern California.

Water Stewardship Rate – recovers the cost of Metropolitan’s financial commitment to conservation, water recycling, groundwater clean-up and other local resource management programs.

Replenishment Water Rate – a discounted rate for surplus system supplies available for the purpose of replenishing local storage.

Treated Replenishment Water Rate – a discounted rate for surplus system supplies available for the purpose of replenishing local storage.

Interim Agricultural Water Rate – discounted rate for surplus system supplies available for the purpose of growing agricultural, horticultural, or floricultural products.

Treated Interim Agricultural Water Program Rate – discounted rate for surplus system supplies available for the purpose of growing agricultural, horticultural, or floricultural products.

Treatment Surcharge – recovers the costs of treating imported water.

Readiness-to-Serve Charge - a fixed charge that recovers the cost of the portion of system capacity that is on standby to provide emergency service and operational flexibility.

Capacity Charge – the capacity charge recovers the cost of providing peak capacity within the distribution system.