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0 <br /> C A B R l A <br /> When Cambria staff discovered the spill on August 5"', the rate at which water was seen flowing <br /> into the storm drain drop inlet (on Plymouth Road) was described as a trickle, or about 0 5 <br /> gallons per rrunute (gpm) <br /> Volume <br /> OMI reports the volume of spilled water as " unknown because duration of spill is unknown <br /> Potentially up to 63,000 gallons entered the stormwater system " The volume reported by OMI <br /> is based on a duration of 8 days at 5 5 gpm, which, as mentioned above, we believe is an over <br /> estimation Using a duration of 54 5 hours at a spill rate of 0 5 gpm, the maximum amount of <br /> water entering the storm drain could be no greater than 1,635 gallons of water <br /> Containment <br /> The OMI report states containment as "Unknown,- San Joaquin County stormwater system " We <br /> agree with the "unknown"portion of this statement, however the rest of the statement implies the <br /> spill traveled to the County section of the storm drain, located north of Oxford Way Since the <br /> spilled amount is not known, and the amount of spilled water entering the City storm drain is not <br /> known, and how much of the spilled water was stored in the City storm drain is not known, we <br /> do not know if any of the spilled water flowed out of the City storm drain into the County storm <br /> drain We have included a reap showing the location of the site, the sections of storm drain <br /> owned by the City and by the County (Appendix B) Since it is an unknown, we believe it is not <br /> accurate to imply that the spilled water flowed into the County storm drain <br /> Additional Containment Information. Upon discovery of the spill, Cambria staff shut down the <br /> remediation system and blocked the storm drain drop inlet from receiving any more spilled <br /> water <br /> Receiving Water <br /> OMI reports the receiving water as "Unknown — San Joaquin County stormwater system " As <br /> discussed above, in the "Containment" section, we believe it is not accurate to imply that the <br /> spilled water flowed into the County storm drain <br /> Additional Information The storm drain the spilled water entered ternunates at the Wisconsin <br /> Pump Station, which is located at the northern extent of Wisconsin Avenue Water flowing to <br /> the pump station is stored in a holding facility and in the storm drain line at, and immediately <br /> 0783 3 <br />