Laserfiche WebLink
WASTE DISCHARGE REQUIREMENTS ORDER NO.R5-2004-0028 -29- WASTE DISCHARGE REQUIREMENTS ORDER NO.R5-2004-0028 -30- <br /> CITY OF MANTECA,CITY OF LATHROP AND DUTRA FARMS CITY OF MANTECA,CITY OF LATHROP AND DUTRA FARMS <br /> WASTEWATER QUALITY CONTROL FACILITY WASTEWATER QUALITY CONTROL FACILITY <br /> SAN JOAQUIN COUNTY SAN JOAQUIN COUNTY <br /> Monthly Weekly 1-Hour Daily Methylene blue active ug/1 500 --- --- --- <br /> Constituents Units Average Average Average Maximum substances(MBAs) <br /> BOD' mg/1 202 302 --- 502 lb/day' 29 --- --- --- <br /> lb/day' 1160 1740 --- 2900 Monthly Weekly 1-Hour Daily <br /> Constituents Units Average Average Average Maximum <br /> Monthly Weekly 1-Hour Daily <br /> Constituents Units Average Average Average Maximum Nitrate(as N) mg/1 10 --- --- --- <br /> Total Suspended Solids mg/1 202 302 --- 502 lb/day' 580 <br /> lb/day' 1160 1740 --- 2900 Nitrite(as N) mg/1 1 --- --- --- <br /> Total Coliform MPN/100ml --- 23' --- 500 lb/day' 58 --- --- --- <br /> Settleable Solids ml/1 0.1 --- --- 0.2 Bis(2-ethylhexyl) ug/l 22 --- --- 44 <br /> Chlorine Residual mg/l --- 0.011 0.02 --- <br /> phthalate <br /> lb/day' 1.3 --- --- 2.6 <br /> Oil and Grease mg/l 10 --- --- 15 <br /> lb/day' 580 --- --- 870 Bromodichloromethane ug/1 5 --- --- 8 <br /> Aluminumb ug/l 71 --- --- 140 lb/day' 0.29 --- --- 0.46 <br /> lb/day' 4.1 --- --- 8.1 Dibromochloromethanee ug/l 1.4 --- --- 2.8 <br /> Electrical Conductivity umhos/cm 1000 ___ ___ ___ lb/day' 0.08 --- --- 0.16 <br /> Mercury ug/1 <br /> --- --- --- --- <br /> Ammonia (June-Sept) mg N/1 2.1 --- --- 4.4 <br /> lb/day' 120 --- --- 260 <br /> lb/year 0.69 --- --- --- <br /> 2,4,6-Trichlorophenol ug/l 34 --- --- 69 <br /> Ammonia (Oct-May) mg N/1 2.8 --- --- 5.6 <br /> lb/day' 2 --- --- 4 <br /> lb/day' 160 --- --- 320 <br /> 1 5-day,20'C biochemical oxygen demand(BOD) <br /> Arsenic ug/I 10 -- 2 To be ascertained by a 24-hour composite <br /> lb/day' 0.58 --- --- --- 3 Based upon a design treatment capacity of 6.95 mgd. <br /> 4 Weekly median <br /> Copper ug/l 7.9 --- --- 10.4 5 Expressed as a 4-day average <br /> lb/day' 0.46 --- --- 0.60 6 The Discharger may conduct a water effect ratio study to develop a site-specific <br /> objective,and upon adoption and approval of a Basin Plan amendment,the permit <br /> Cyanide ug/l 3.7 --- --- 10 may be reopened and the aluminum limitation reconsidered. <br /> lb/day' 0.21 --- --- 0.58 2. Effective 1 April 2004,and through 31 January 2009,the effluent concentrations and mass <br /> Iron ug/l 300 --- loadings shall not exceed the following limits: <br /> lb/day' 17 --- --- --- Monthly Weekly 1-Hour Daily <br /> Manganese ug/l 50 ___ Constituents Units Average Average Average Maximum <br /> lb/day' 2.9 --- --- --- BOD' mg/l 202 302 --- 502 <br />