Addendum No. 1 to Water Master Plan Project (Well 42 Project)

Addendum No. 1 to Water Master Plan Project (Well 42 Project)

This document is prepared as an Addendum to the Environmental Impact Report (EIR) certified by the Mission Springs Water District (MSWD or District) in July 2006 (SCH No. 2006071105). In 2006, the District preprocessed a Program EIR (PEIR) that resulted in the District certifying the PEIR for a new Water Master Plan. MSWD updated its August 2000 Water Master Plan through preparation of this Water Master Plan dated November 2005 (2005 Water Master Plan). The PEIR evaluated the District’s proposed Water Master Plan to comply with the California Environmental Quality Act (CEQA), which identified the various water system facilities anticipated to be required through the year 2025. The 2005 Water Master Plan (WMP) identifies a series of water system improvements which should be implemented to meet future water demands in the service area based on regional and local growth projections. These improvements include the installation of new wells, booster pump stations, reservoirs, pipelines, etc. The Water Master Plan forecasts that the MSWD system would experience a water production and storage shortfall within its service area. To overcome this shortfall, MSWD is proposing to construct a series of water system improvements over the planning life of this WMP (2005-2025). The location, type and timing of these water system improvements have been determined using the best forecast data available. However, the actual construction of these improvements will be dependent on the actual need based on population growth patterns and timing. Therefore, it is possible that not all the WMP facilities will be developed at the time proposed by the WMP. This WMP is considered a planning tool for MSWD to operate its water system in the most efficient and effective methods available, not a rigid schedule. After considering the available options for complying with CEQA regarding these project modifications, which are considered minor, the District concluded that compiling an Addendum to the adopted 2006 PEIR would be the most appropriate way to comply with CEQA for the proposed project modifications. This approach justified the preparation of this Addendum to comply with CEQA for the proposed new District Well 42. No other changes to the project evaluated in the 2006 PEIR are envisioned at this time under this Addendum.

Riverside