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<br />Sequoia Ecological Consulting, Inc. <br />CalVTP Project-Specific Analysis and Addendum <br />Augustin Bernal Community Park Fuel Reduction <br />November 2025 <br />A-47 <br /> <br /> <br />Procedures for Determining WLPZ Widths <br />Water Class Class I Class II Class III Class IV <br />Water Class <br />Characteristic <br />s or Key <br />Indicator <br />Beneficial Use <br />1) Domestic <br />supplies, <br />including <br />springs, on-site <br />and/or within <br />100 feet <br />downstream of <br />the operations <br />area and/or <br />2) Fish always <br />or seasonally <br />present on-site, <br />includes habitat <br />to sustain fish <br />migration and <br />spawning. <br />1) Fish always or <br />seasonally present <br />offsite within 1,000 <br />feet downstream <br />and/or <br />2) Aquatic habitat <br />for non-fish aquatic <br />species. <br />3) Excludes Class III <br />waters that are <br />tributary to Class I <br />waters. <br />No aquatic life <br />present, <br />watercourse <br />showing evidence <br />of being capable of <br />sediment transport <br />to Class I and II <br />waters under <br />normal high-water <br />flow conditions <br />after completion of <br />timber operations. <br />Man-made <br />watercourses, <br />usually <br />downstream, <br />established <br />domestic, <br />agricultural, <br />hydroelectric <br />supply or other <br />beneficial use. <br />WLPZ Width (feet) – Distance from top of bank to the edge of WLPZ <br />< 30 % Slope 75 50 Sufficient to prevent the <br />degradation of downstream <br />beneficial uses of water. <br />Determined on a site-specific <br />basis. <br />30–50 % Slope 100 75 <br />> 50 % Slope 150 100 <br />Source: 14 CCR Section 916.5 [936.5, 956.5] (February 2019 version). <br />The following WLPZ protections would be applied for all treatments: <br />• Treatment activities with WLPZs would retain at least 75 percent surface <br />cover and undisturbed area to act as a filter strip for raindrop energy <br />dissipation and for wildlife habitat <br />o If this percentage is reduced, a qualified RPF would provide the <br />project proponent with a site- and/or treatment activity-