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WASTE DISCHARGE REQUIREMrNTS ORDER NO.R5-2003-0099 5 <br /> NEWPORT PACIFIC CAPITAL COMPANY,INC. <br /> ARBOR MOBILE HOME PARK WASTEWATER TREATMENT FACILITY <br /> SAN JOAQUIN COUNTY <br /> `W CUTAA f eSh"r'Jatux haUlLaL, Wld aesl"irvater habitat; migration U.faquatic organisms; spawning, <br /> reproduction, and/or eary development; and wildlife habitat. <br /> 36. The beneficial uses of the underlying groundwater are municipal and domestic supply, agrio,Mural <br /> supply, industrial service supply, and industrial process supply. <br /> ANTMEGRADATION ANALYSIS <br /> 37. State Water Resources Control Board(SWRCB)Resolution No. 68-16 (hereafter Resolution <br /> 68-16 or the"Antidegradation Policy') requires the Regional Board in regulating the discharge of <br /> waste to rrtaimtain high quality waters of the state (i.e.,background water quality}until it is <br /> demonstrated that any change in quality will be consistent with maximum benefit to the people of <br /> the State,will not unreasonably affect beneficial uses, and'vv ll not result in water quality less than <br /> that described sra the Regional Rv des pOiiiies(e.g_,quality FLhat exceeds Jvate quality <br /> objectives). In addition,the policy requires discharges to high-quality waters to implement best <br /> practicable treatment or control of the discharge. <br /> 38. The Regional Board finds that the Discharger has not demonstrated that it is to the maximum <br /> benefit to the people of the State of California to degrade groundwater, and therefore groundwater <br /> degredation is not allowed under this Order. If the Discharger is degrading groundwater and <br /> subsequently elects to make the demonstration that the degradation meets the conditions of State <br /> Board Resolution No. 68-16,then the Regional Board will reopen this Order. <br /> 39. "Mis wastew— ueatrient facility provides t'ea`tment and control of the discharge that includes <br /> advanced treatment,disposal to the seepage pits and gravelless leachfield, and evaporation and <br /> percolation as disposal methods_ <br /> 40. Wastes that pass through the treatment system are discharged to the seepage pits or gravelless <br /> leachfield; the soil then treats some of the remaining wastes_ The amount of treatment depends on <br /> the wase lime� .e tten n Soil' +,-- --A .7 41. L: i..- t_____a �•z_i!___ <br /> t, .Jr.,wa'ld concentrations,avis LyYv ausL uep-1 percolation ra�va,ivusiGwatel app3.ic-du <br /> lvn <br /> rates, and depth to groundwater. Some waste constituents may migrate through the soil colurrnri to <br /> the underlying groundwater. Groundwater monitoring is appropriate and necessary to monitor the <br /> effectiveness of treatment within the soil column and assure groundwater s,ality consistent wiLhn <br /> terms specified herein. <br /> OTHER <br /> 41. The State Water Resources Control Board adopted Order No. 97-03-DWQ (General Permit No. <br /> CAS0000011" sp:ci y'ing waste discharge requirements for discharges of storm water associated <br /> Vviw�''i"I"L".1ut„Aai ai+tiVIUCS, wLd requiring submittal of a Notice of L t nit by all affected industrial <br /> dischargers. The wastewater treatment plain facilities are such that all stormwater runoff is <br /> collected in the stormwater pond. Because there is no storm water discharge; the Discharger is not <br /> required to obtain coverage under General Permit No. r A Snnnnni, <br />