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Dry Pond Maintenance Requirements <br /> Important operation and maintenance procedures : <br /> - The drainage area will be managed to reduce the sediment load to the dry pond . <br /> - Immediately after the dry pond is established , the vegetation will be watered twice weekly if needed until <br /> the plants become established (commonly six weeks ) . <br /> - After the initial fertilization to establish vegetation in the dry pond , fertilizer will not be applied to the dry <br /> pond . <br /> - The vegetation in and around the basin will be maintained at a height of approximately six inches . <br /> - At least once annually, a dam safety expert will inspect the embankment . Any problems that are found <br /> will be repaired immediately . <br /> After the dry pond is established , it shall be inspected quarterly and within 24 hours after every storm event greater <br /> than 1 . 0 inches (or 1 . 5 inches if in a Coastal County) . Records of operation and maintenance shall be kept in a known <br /> set location and shall be available upon request . <br /> Inspection activities shall be performed as follows . Any problems that are found shall be repaired immediately. <br /> SCM element : Potential problem : How to remediate the problem : <br /> The entire SCM Trash /debris is present . Remove the trash /debris . <br /> Areas of bare soil and /or Regrade the soil if necessary to remove the gully, plant ground <br /> The perimeter of the SCM erosive gullies have cover and water until it is established . Provide lime and a one - <br /> formed . time fertilizer application . <br /> The inlet pipe is clogged ( if Unclog the pipe . Dispose of the sediment in a location where it <br /> applicable ) . will not cause impacts to streams or the SCM . <br /> The inlet pipe is cracked or <br /> The inlet device otherwise damaged ( if Repair or replace the pipe . <br /> applicable ) . <br /> Erosion is occurring in the Regrade the swale if necessary and provide erosion control <br /> swale ( if applicable ) . devices such as reinforced turf matting or riprap to avoid future <br /> problems with erosion . <br /> Sediment has accumulated Search for the source of the sediment and remedy the problem if <br /> to a depth greater than the possible . Remove the sediment and dispose of it in a location <br /> original design depth for where it will not cause impacts to streams or the SCM , <br /> sediment storage . <br /> The forebay <br /> Erosion has occurred . Provide additional erosion protection such as reinforced turf <br /> matting or riprap if needed to prevent future erosion problems . <br /> Weeds are present . Remove the weeds , preferably by hand . If pesticide is used , wipe <br /> it on the plants rather than spraying . <br /> Sediment has accumulated Search for the source of the sediment and remedy the problem if <br /> to a depth greater than the possible . Remove the sediment and dispose of it in a location <br /> original design depth for where it will not cause impacts to streams or the SCM . <br /> sediment storage . <br /> The main treatment area Water is standing more Check the outlet structure for clogging . If it is a design issue , <br /> than 5 days after a storm consult an appropriate professional . <br /> event . <br /> Weeds and noxious plants Remove the weeds , preferably by hand . If pesticide is used , wipe <br /> are growing in the main it on the plants rather than spraying . <br /> treatment area . <br />