Item 18 - Agreement with the Municipal Water District of Orange County for Shared Programs

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Exhibit A July 23, 2025 14 Berms – berms are mounds of compacted earth with sloping sides that are usually located along a contour on gently sloping sites or between areas of approximately the same elevation. Berms are designed to direct or redirect water to a permeable and retentive area and prevent water from flowing off the property. Berms must be visibly higher in elevation than the surrounding landscape. Berms must be firmly tamped and topped off with mulch to prevent erosion. Plants can be planted along the top of a berm. Rain Barrel/Cisterns – rain barrels and cisterns are storage containers that capture runoff water from downspouts from a non-permeable area catchment area such as a rooftop. Cisterns are a larger version of rain barrels, with a larger capacity for rainwater collection and storage. Rain barrels and cisterns must be connected to properly installed rain gutters and downspouts. In order for the rain barrel/cistern to qualify as a rainwater capture feature, the property must have existing gutters around the full perimeter of the roof and existing downspouts for adequate water collection. In the case of a partially flat roof, gutters and downspouts must be throughout all pitched areas in order to qualify. Rain barrels and cisterns must be properly installed and meet all local and regional requirements. Existing rain barrels and cisterns qualify provided they have been properly installed and provide water to the conversion/project area. Sustainability Feature Trees - Trees reduce stormwater runoff by capturing and storing rainfall in their canopy. Tree roots and leaf litter also create soil conditions that promote the infiltration of rainwater into the soil. To qualify as a Stormwater Tree, selected tree must be included on the Eligible Sustainability Feature Trees List of species that qualify for the program. The minimum number of trees required is 1 per 10,000 sq ft of project area. Pre-Inspection Procedures – Turf Replacement Customer is to provide photos of the turf area to be removed as part of the application process. Photos of project area (4 to 6) must reflect the current turfgrass area at the time of applying. Google Earth/satellite images will not be accepted in place of photos. Photos must be taken from appropriate angles, with visible points of reference, and at a sufficient distance to allow for review. Pre-inspections will be conducted on 100 percent of total projects submitted. The Moasure will be utilized for all inspections. For commercial or public agency applications, Metropolitan, via Metropolitan’s inspection contractor, will conduct the inspection at no cost to Participant Agency. For residential applications, Participant Agency or its inspector will conduct the pre-inspection. After an application is received and the information has been verified, a project cannot be accepted and funding is not reserved until a “pre-inspection” is conducted by Metropolitan, MWDOC, the Participant Agency, or by a vendor inspector. The pre-inspection is a means to determine confirmation of eligibility. The pre-inspection process verifies that the project area contains live turf or sufficient evidence that live turf recently existed and that the requested square footage to be removed is consistent with the inspector’s measurement. This requirement applies to both residential and commercial turf replacement areas unless otherwise noted. When establishing that areas are eligible, careful inspection with accurate and precise measurements, as described in Section V, is always required. All pre- and post-inspections shall be conducted using the Moasure device. For Turf Replacement, during the pre- inspection the total project area square footage "!#