Laserfiche WebLink
<br /> <br />Foothill Sanitary Landfill Page 6 of 52 San Joaquin County DPW - Solid Waste <br />Joint Technical Document Revised 12/04/2025 <br /> <br /> <br />CCR Title 27 Section 20220 (c) regarding dewatered sludge states: <br />(c) Dewatered Sludge—Dewatered sewage or water treatment sludge may be <br />discharged at a Class III landfill under the following conditions, unless DTSC determines that <br />the waste must be managed as hazardous waste: <br />(1) the landfill is equipped with a leachate collection and removal system (LCRS); <br />(2) the sludge contains at least 20 percent solids (by weight) if primary sludge, or at least <br />15 percent solids if secondary sludge, mixtures of primary and secondary sludge, or water <br />treatment sludge; and <br />(3) a minimum solids-to-liquid ratio of 5:1 by weight shall be maintained to ensure that <br />the co-disposal will not exceed the initial moisture holding capacity of the nonhazardous solid <br />waste. The actual ratio required by the RWQCB shall be based on site specific conditions. <br /> <br />The County will adhere to sludge handling operation procedures (Section 6.4.4) to <br />comply with the provisions of §20220. <br /> <br />3.2. Waste Quantities <br /> Foothill Sanitary Landfill is currently permitted to receive a maximum of 1,500 <br />tons per day, 6 days per week. Approximately 369,800 tons of refuse were disposed at the <br />Landfill in 2024. Below are the details of the tonnage received at the site: <br /> <br />2024 Monthly average tonnage: 30,820 tons. <br />2024 Daily average tonnage: 1,185 tons. <br /> <br />The annual waste quantities received at Foothill Landfill have increased approximately <br />107% since 2014 (Table 2). This is more than the 3% annual average previously projected. <br />However, despite some significant annual variations, the overall trend continues to support an <br />annual increase of approximately 3% per year for the next five (5) years (Table 5).