Site Identification Dates Times Mercury in unfiltered water (ng/L) "Cache Creek at Rumsey, CA" 2/9/96 1150 34.44 "Cache Creek at Rumsey, CA" 3/7/96 1340 39.00 "Cache Creek at Rumsey, CA" 4/25/96 1230 7.11 "Cache Creek at Rumsey, CA" 5/29/96 1100 7.15 "Cache Creek at Rumsey, CA" 6/26/96 1200 4.59 "Cache Creek at Rumsey, CA" 7/9/96 1230 6.02 "Cache Creek at Rumsey, CA" 8/28/96 1230 2.71 "Cache Creek at Rumsey, CA" 9/17/96 1230 2.68 "Cache Creek at Rumsey, CA" 10/22/96 1230 3.94 "Cache Creek at Rumsey, CA" 11/18/96 1500 6.48 "Cache Creek at Rumsey, CA" 12/13/96 1240 21.10 "Cache Creek at Rumsey, CA" 1/15/97 1100 21.42 "Cache Creek at Rumsey, CA" 2/19/97 1050 23.79 "Cache Creek at Rumsey, CA" 3/19/97 1120 8.75 "Cache Creek at Rumsey, CA" 4/21/97 1030 8.06 "Cache Creek at Rumsey, CA" 5/27/97 1350 5.07 "Cache Creek at Rumsey, CA" 6/24/97 1100 7.14 "Cache Creek at Rumsey, CA" 7/22/97 1030 6.83 "Cache Creek at Rumsey, CA" 8/20/97 1130 6.05 "Cache Creek at Rumsey, CA" 9/16/97 1150 4.60 "Cache Creek at Rumsey, CA" 10/16/97 1030 3.73 "Cache Creek at Rumsey, CA" 11/18/97 1300 21.16 "Cache Creek at Rumsey, CA" 12/7/97 1400 69.66 "Cache Creek at Rumsey, CA" 12/14/97 1700 17.57 "Cache Creek at Rumsey, CA" 12/18/97 1030 11.78 "Cache Creek at Rumsey, CA" 1/4/98 1015 124.85 "Cache Creek at Rumsey, CA" 1/4/98 1200 304.58 "Cache Creek at Rumsey, CA" 1/4/98 1400 627.21 "Cache Creek at Rumsey, CA" 1/12/98 1010 196.58 "Cache Creek at Rumsey, CA" 1/12/98 1200 308.74 "Cache Creek at Rumsey, CA" 1/12/98 1320 464.45 "Cache Creek at Rumsey, CA" 1/20/98 1300 49.58 "Cache Creek at Rumsey, CA" 1/29/98 1110 369.56 "Cache Creek at Rumsey, CA" 2/3/98 1230 2247.62 "Cache Creek at Rumsey, CA" 3/26/98 1040 22.87 "Cache Creek at Rumsey, CA" 4/14/98 1100 21.60