City of Santa Ana - Water Commodity Charge & Tier 1 Allocations Water Usage Charges ($/CCF*) Previous Rate 2019 (Per CCF*) Effective January 1, 2020 Effective July 1, 2020 Effective July 1, 2021 Effective July 1, 2022 Effective July 1, 2023 Difference between 7/1/22 & 7/1/23 Tier 1*...