View File - Development Services - City of Oxnard

TABLE 3-2City Blended Water QualityCMWDWeightedParameter Units Jensen Local UWCD Oxnard Average MCL DLRPercent Contribution % 50.1 5.6 24.2 20.1 100 NA NAPrimary Drinking Water StandardsAluminum mg/L 0.07 0.1 0.025 0.01 0.049 1 0.05Arsenic µg/L 2.1 0.001 0.001 2 1.5 50 0.002Barium mg/L 0.05 0.05 0.02 0.04 0.04 1 0.1Cadmium µg/L 0.0005 0.0005 0.1 0.2 0.06 5 0.001Chromium µg/L 0.005 0.005 1.6 2 0.79 50 0.01Fluoride mg/L 0.18 0.3 0.63 0.5 0.36 2 0.1Lead µg/L 0.0025 0.0025 0.0025 0.23 0.05 50 0.005Nickel µg/L 0.005 0.005 1 2 0.65 100 0.01Nitrate mg/L 1 1 3.9 3 2.1 10 2Selenium µg/L 0.0025 0.0025 6 20 5.47 50 0.005Gross Alpha pCi/l 2.38 3.1 6 7 4.22 15 1Gross Beta pCi/l 2 5.5 8 8 4.85 50 4Radium 226+228 pCi/l 1.04 0.25 0.25 0.25 0.65 5 0.5Radium 226 pCi/l 0.25 0.25 0.05 0.5 0.25 3 0.5Uranium pCi/l 1 1 5 1 1.97 20 2Secondary Drinking Water StandardsChloride mg/L 58 58 50 54 55 500 NAIron µg/L 50 50 50 51 50 300 100Manganese µg/L 10 10 10 34 15 50 20Specific Conductance mhos/cm 503 582 1360 1498 915 1,600 NASulfate mg/L 62 80 457 520 251 500 NATotal Dissolved Solids mg/L 281 356 996 1123 627 1,000 NAAdditional ParametersAlkalinity mg/L 88 98 193 225 142 NS NABoron µg/L 0.24 0.3 0.66 0.7 0.44 NS NACalcium mg/L 28 32 136 152 79 NS NAHardness mg/L 127 142 543 593 322 NS NASodium mg/L 47 50 94 103 70 NS NANotes:DLR – Detection Limits for Reporting purposesMCL – Maximum Contaminant LimitNA – Not ApplicableNS – No StandardBold – indicates data that was either non-detected or not reported and estimated as ½ the DLR for Reporting Purposes.Weighted average – Calculated as the flow weighted average of the various sources.W112003002SCO LW700.xls/033460008/Table 3-2