Draft 2025 Urban Water Management Plan

South East Management Area

WATER RESOURCE MONITORING

PROGRAMS

5.1 OVERVIEW

This section describes surface and groundwater monitoring programs in the South East Management Area 5.2 GROUNDWATER MONITORING PROGRAMS No groundwater development exists in the ETWD and City of Orange portions of the South Ea st Management Area. In IRWD’s Lake Forest portion of the South East Management Area the existing five wells (whether active or inactive) have been, and will continue to be, used to monitor the groundwater levels on a monthly basis. Section 3.2.1 provides information on the South East Management Area groundwater levels, and Figure 3-1 shows the locations of the Lake Forest wells within the South East Management Area. 5.3 OTHER MONITORING PROGRAMS IRWD monitors groundwater quality in LF-2, when operating, as required by the California Code of Regulation (Title 22) and California Division of Drinking Water, Santa Ana District. In addition, as of 2021 two monitoring wells will be designated (LF-1 and LF- 4) for the monitoring and reporting groundwater elevations in the South East Management Area which will be transmitted to the DWR under the SGMA monitoring program for Basin 8-1. DWR currently requires bi-annual reporting for well monitoring data.

BASIN 8-1 ALTERNATIVE 2022 UPDATE

5-21 5 -1 Appendix F - 224

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