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Bioretention Area Maintenance Plan Date of Inspection: Property Address: 1470 Doolittle Drive, San Leandro, CA Treatment Measure No.: Table 1 Routine Maintenance Activities for Bioretention Areas 7 Inspect Bioretention area using the attached inspection Monthly,or after large storm events, checklist. and after removal of accumulated debris or material II. Prohibitions The use of pesticides and quick release fertilizers shall be minimized, and the principles of integrated pest management(IPM)followed: 1. Employ non-chemical controls(biological, physical and cultural controls)before using chemicals to treat a pest problem. 2. Prune plants properly and at the appropriate time of year. 3. Provide adequate irrigation for landscape plants. Do not over water. 4. Limit fertilizer use unless soil testing indicates a deficiency. Slow-release or organic fertilizer is preferable. Check with municipality for specific requirements. 5. Pest control should avoid harming non-target organisms, or negatively affecting air and water quality and public health. Apply chemical controls only when monitoring indicates that preventative and non-chemical methods are not keeping pests below acceptable levels. When pesticides are required, apply the least toxic and the least persistent pesticide that will provide adequate pest control. Do not apply pesticides on a prescheduled basis. 6. Sweep up spilled fertilizer and pesticides. Do not wash away or bury such spills. 7. Do not over apply pesticide. Spray only where the infestation exists. Follow the manufacturer's instructions for mixing and applying materials. 8. Only licensed, trained pesticide applicators shall apply pesticides. 9. Apply pesticides at the appropriate time to maximize their effectiveness and minimize the likelihood of discharging pesticides into runoff. With the exception of pre-emergent pesticides, avoid application if rain is expected. 10. Unwanted/unused pesticides shall be disposed as hazardous waste. Standing water shall not remain in the treatment measures for more than five days, to prevent mosquito generation. Should any mosquito issues arise, contact the Alameda County Vector Control Services District as needed for assistance. Mosquito larvicides shall be applied only when absolutely necessary, as indicated by the District, and then only by a licensed professional or contractor. Contact information for the District is provided below. III. Mosquito Abatement Contact Information Alameda County Vector Control Services District 1131 Harbor Bay Parkway#166 Alameda, CA. 94502 PH :(510) 567-6800 IV. Inspections The attached Bioretention Area Inspection and Maintenance Checklist shall be used to conduct inspections monthly (or as needed), identify needed maintenance, and record maintenance that is conducted.