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CITY OF EVERETT STORMWATER MANAGEMENT MANUAL <br /> Infiltration Facilities <br /> Date <br /> Drainage <br /> System Maintenance Activities and Conditions <br /> Frequency Feature ✓ ✓ ✓ ✓ Problem Conditions to Check For That Should Exist <br /> M'S General Trash and Debris Any trash and debris which exceed 5 cubic feet Trash and debris cleared from site. <br /> per 1,000 square feet(this is about equal to the <br /> amount of trash it would take to fill up one 32 <br /> gallon garbage can). In general, there should <br /> be no visual evidence of dumping. If less than <br /> threshold all trash and debris will be removed <br /> as part of next scheduled maintenance. <br /> A General Any poisonous or nuisance vegetation which No danger of poisonous vegetation where <br /> Poisonous may constitute a hazard to maintenance maintenance personnel or the public might <br /> Vegetation and personnel or the public.Any evidence of normally be. (Coordinate with the Snohomish <br /> noxious weeds noxious weeds as defined in the Snohomish County Health Department) Complete <br /> County Noxious Weeds List. (Apply eradication of noxious weeds may not be <br /> requirements of adopted integrated pest possible. Compliance with state or local <br /> management policies for the use of herbicides.) eradication policies required <br /> M,S General Contaminants and Any evidence of oil, gasoline, contaminants or No contaminants or pollutants present. <br /> Pollution other pollutants (Coordinate removal/cleanup with the City of <br /> Everett Surface Water Management 425- <br /> 257-8885 and/or DOE Spill Response 800- <br /> 424-8802.) <br /> M General Rodent Holes If the facility is constructed with a dam or berm, Rodents removed and dam or berm repaired. <br /> look for rodent holes or any evidence of water (Coordinate with Snohomish County Health <br /> piping through the dam or berm. Department; coordinate with Ecology Dam <br /> Safety Office if pond exceeds 10 acre-feet.) <br /> M General Beaver Dams Beaver dam results in an adverse change in the Facility is returned to design function. <br /> functioning of the facility. Contact the Washington Department of Fish <br /> and Wildlife to coordinate with a Nuisance <br /> Wildlife Control Operator. <br /> A General Insects When insects such as wasps and hornets Insects destroyed or removed from site. <br /> interfere with maintenance activities. Apply insecticides in compliance with <br /> adopted integrated pest management <br /> policies. <br /> Appendices <br /> F-6 <br />