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2025 Annual Monitoring and Maintenance Report <br /> Forward Landfill <br /> The existing compost facility has obtained the appropriate approvals from the appropriate regulatory agencies to <br /> operate (HDR 2021)and has obtained air permits from the San Joaquin Valley Air Pollution Control District to <br /> cover its existing operations, including receiving, mixing, and storage; open windrow composting; finished <br /> compost loadout; and compostable material handling (HDR 2021). <br /> All material enters the compost facility through the resource recovery entrance off Austin Road and weight is <br /> measured at the scale house. The material is screened for debris and then placed in windrows for composting. <br /> Water from the composting areas flows to a retention basin located on the west side of the compost facility <br /> designated as the detention pond. Figure 2 shows the composting areas of the facility and the detention pond. <br /> 3 Routine Monitoring Requirements <br /> This section summarizes the required routine monitoring activities performed in 2025. Each section addresses a <br /> routine monitoring requirement, as presented in the MRP of the General Order(State Water Board 2020). <br /> 3.1 Facility Inspections <br /> The compost facility is inspected quarterly as part of the site monitoring. During 2025, Forward personnel reported <br /> no unusual activity at the compost facility. The analytical results for samples collected from the detention pond <br /> during inspections (when sufficient water was present) are summarized in Section 4. Appendix A includes <br /> inspection forms of all operational surfaces (Section 3.1.1) and the waste management system (Section 3.1.2)as <br /> required by Attachment B of the General Order(State Water Board 2020). <br /> 3.1.1 Operations Areas <br /> To comply with the specifications of the General Order (State Water Board 2020) and Technical Report(HDR <br /> 2021), Forward personnel conduct inspections of all composting operations areas including inspection of <br /> leachate, ponding, or surface failures such as cracking, spilling, or subsidence. Completed Forward inspection <br /> forms for 2025 are provided in Appendix A. The observation reports include routine stormwater observations, <br /> including observations made during inspections of composting operations areas. <br /> 3.1.2 Wastewater Management Plan <br /> Potential process water from the composting working area surfaces flows to onsite drainage ditches and is then <br /> directed to the onsite detention pond. Several best management practices (e.g., dust control and absorption of <br /> surface water runoff) are implemented at the compost facility to reduce the potential for excess process water <br /> generation during composting activities. Any process water generated in quantities that can be reused in the <br /> composting process will be reintroduced into the composting process. The facility operators are trained to use <br /> minimal water for dust control to minimize the generation of surface water runoff from the composting system. <br /> www.arcadis.com 2 <br /> Forward Landfill 2025 Annual Monitoring&Maintenance Rpt_04012026 <br />