Mountain Avenue West Recharge Basin Project Greg Kowalski, P.E. May 3, 2017

Mountain Ave. West Recharge Basin Site Background San Jacinto Valley Enhanced Recharge and Recovery Program (SJVERRP) Groundwater recharge, or “banking” of imported water Santa Ana River Conservation and Conjunctive Use Program (SARCCUP) EMWD’s portion Objective of 6,500 acre-feet per year of groundwater storage Total: 19,500 acre-feet Mountain Ave. / Ramona Expy   Villines Avenue Mountain Ave. West Recharge Basin Site San Jacinto, CA   Esplanade Avenue

Scope of Work Project Coordination Hydrogeological Investigations Meetings and Workshops Hydrogeological Investigations Hydrogeological Drilling Geochemical Analysis Technical Memorandum Survey, Right-of-Way and Utility Research Operations and Safety Pre-Use Operational Control Strategy Safety Pre-Use Analysis Recharge Basin Final Design Electrical Design Corrosion Engineering Noise Evaluation / Mitigation Monitoring Well Design Landscaping / Visual Simulations Coordination with City of San Jacinto Plans and Specifications Bidding Assistance

Landscape Improvements Proposed Right-of-Way to be dedicated to the City of San Jacinto Water Use Efficient Landscaping Public Walking / Jogging Path 8-Foot Wrought Iron Fence Recharge and Conservation Message Boards Tree with Water Use Efficient Landscaping Existing Light Standard Wrought Iron Fence Water Use Efficient Landscaping Dirt Maintenance Road Mulch Esplanade Avenue Recharge Pond Existing Sidewalk Recharge and Conservation Message Boards Meandering Decomposed Granite Perimeter Path Existing Right of Way Proposed Right of Way Conceptual Profile with Berm

Consultant Selection Dudek Key Sub Consultants Competitively Selected for Preliminary Design Effort Successfully Completed Preliminary Design Report Knowledge of SJVERRP Facilities Requirements District’s Annual Contract List for Hydrological Design Similar Project Experience with North Trumble Pond Expansion Key Sub Consultants Cozad and Fox, Inc. of Hemet, California – Surveying Services Moraes Pham and Associates of Carlsbad, California – Electrical Engineering C Below Surface Imaging of Chino, California – Potholing Todd Groundwater of Alameda, California – Hydrogeology BC2 Environmental of Orange, California – Hydrogeological Drilling RF Yeager Engineering of Lakeside, California – Corrosion Engineer Negotiated scope and fee in the amount of $896,926 commensurate with level of effort required.

Schedule Kickoff Meeting Completion of Final Design Bid Award May 2017 Completion of Final Design July 2018 Bid Award September 2018 Anticipated Construction Completion March 2020 (18 Months)

Recommendations Execution by the General Manager, or his designee, of the District’s standard form of contract with Dudek of San Diego, California, for final design of the Mountain Avenue West Recharge Basin Project in the amount of $896,926; and Administrative award and execution by the General Manager, or his designee, of the District’s standard form of necessary contracts and agreements for final design of the Mountain Avenue West Recharge Basin Project. Board appropriated funds for this phase of the project in August 2016.

Contact Information Greg Kowalski, P.E. Senior Civil Engineer (951) 928-3777 Ext. 4466 Email: kowalskg@emwd.org