SU0007720 - Laserfiche WebLink

Home Browse Search

Table 3 Groundwater Quality - Calendar Year 2020 Teichert Aggregates and Granite Construction -Vernalis Area, San Joaquin County (all units in mg/L, unless otherwise specified) Total Total Coliform Sampling EC TDS pH Hardness Ca Mg Na K Alkalinity OH CO3 HCO3 SO4 Cl NO3 NO2 P F B Cu Fe Mn Zn Total Fecal Point Date (Rs/cm) as CaCO3 as CaCO3 as OH as CO3 as HCO3 as NO3 as NO2 iggj) (pSI) (pg,/L) (Itg/L) (MPN/100 mL) Maximum Contaminant 6.5 to Level 900* 500* 8.5* - - - - - - - - - 250* 250* 45 3 2 - 1,000* 300* 50* 5,000* - - Hall 5/20/2020 780 450 7.6 215 58 17 71 2 180 <10 <10 220 78.6 70 6.0 <0.7 - 0.2 0.4 <10 260 <10 120 <1.1 <1.1 Hall 11/24/2020 840 480 8.1 212 57 17 71 2 180 <10 <10 220 80.6 87 10.0 <0.7 - 0.2 0.4 <10 <30 <10 QO <1.1 <1.1 Faulkner 5/20/2020 863 500 7.7 235 63 19 82 2 180 <10 <10 220 79.5 90 11.1 <0.7 - 0.2 0.5 40 80 <10 <20 <l.I <l.l Faulkner 11/24/2020 740 420 8.2 210 56 17 64 1 180 <10 <10 230 75.3 65 7.5 <0.7 - 0.2 0.4 <10 90 <10 20 <1.1 <1.1 S.Tracy#3 5/20/2020 885 530 7.9 268 68 24 74 2 180 <10 <10 220 147 55 24.7 <0.7 - 0.2 0.9 <10 <30 <10 <20 - - S.Tracy#3 11/24/2020 875 530 8.5 248 63 22 65 2 180 <10 <10 220 154 53 22.3 <0.7 - 0.2 0.9 <10 <30 <10 <20 - - Brown's New 5/20/2020 909 550 7.6 265 70 22 79 2 190 <10 <10 240 178 38 9.2 <0.7 - 0.2 1.1 40 50 <10 60 - - Brown's New 11/24/2020 835 540 8.4 267 69 23 72 2 190 <10 <10 230 177 38 11.3 <0.7 - 0.2 1.0 <10 140 <10 <20 - - Granite#5 5/1/2020 976 630 7.4 290 75 25 84 2 200 <10 <10 240 201 47 11.9 <0.7 - 0.2 1.1 <10 90 <10 <20 - - Granite#5 11/24/2020 874 560 8.1 258 67 22 73 2 190 <10 <10 230 158 43 13.7 <0.7 - 0.2 1.0 1,010 10,600 80 60 - - Notes: 1. Maximum contaminant levels for drinking water supply. Concentrations marked"*"are secondary,i.e.,consumer acceptance limits for drinking water. For EC,TDS,chloride,and sulfate,the recommended(lower)values are given. Page 1 of 1