Date:05-17-2024STATE OF CALIFORNIA 
LAST AND NEXT SAMPLE REPORT
SYSTEM NO.:2600624SYSTEM NAME:MAMMOTH MOUNTAIN SKI AREA - OUTPOST 14COUNTY:MONO 
SOURCE NO.:001SOURCE NAME:WELL 01SOURCE CLASS:GWNVSTATUS:A



Click to hide / show columns: PS Codes | Group Name | Analyte Number | Analyte Name | Detected Level |Less Than | RL | Unit | MCL | DLR | Last Sampled | Frequency | Next Due | Notes

PS Codes Group Name Analyte Number Analyte Name Results Unit MCL DLR Last Sampled Frequency Next Due Notes
Detected Level Less Than RL
CA2600624_001_001 SECONDARY/GP-202210 1928 ALKALINITY, BICARBONATE 83.000 MG/L 10-23-2019 36 2022/10 DUE NOW
CA2600624_001_001 SECONDARY/GP-202210 1919 CALCIUM 12.000 MG/L 10-23-2019 36 2022/10 DUE NOW
CA2600624_001_001 SECONDARY/GP-202210 1929 ALKALINITY, CARBONATE < 5.000 MG/L 10-23-2019 36 2022/10 DUE NOW
CA2600624_001_001 SECONDARY/GP-202210 1017 CHLORIDE 20.000 MG/L 500 10-23-2019 36 2022/10 DUE NOW
CA2600624_001_001 SECONDARY/GP-202210 1905 COLOR < 3.000 UNITS 15 10-23-2019 36 2022/10 DUE NOW
CA2600624_001_001 SECONDARY/GP-202210 1022 COPPER, FREE < 50.000 UG/L 1000 50 10-23-2019 36 2022/10 DUE NOW
CA2600624_001_001 SECONDARY/GP-202210 2905 FOAMING AGENTS (SURFACTANTS) < 0.100 MG/L .5 10-23-2019 36 2022/10 DUE NOW
CA2600624_001_001 SECONDARY/GP-202210 1915 HARDNESS, TOTAL (AS CACO3) 68.000 MG/L 10-23-2019 36 2022/10 DUE NOW
CA2600624_001_001 SECONDARY/GP-202210 1021 HYDROXIDE AS CALCIUM CARBONATE < 5.000 MG/L 10-23-2019 36 2022/10 DUE NOW
CA2600624_001_001 SECONDARY/GP-202210 1028 IRON < 100.000 UG/L 300 100 10-23-2019 36 2022/10 DUE NOW
CA2600624_001_001 SECONDARY/GP-202210 1031 MAGNESIUM 8.900 MG/L 10-23-2019 36 2022/10 DUE NOW
CA2600624_001_001 SECONDARY/GP-202210 1032 MANGANESE 38.000 20.000 UG/L 50 20 10-23-2019 36 2022/10 DUE NOW
CA2600624_001_001 SECONDARY/GP-202210 1920 ODOR < 1.000 TON 3 1 10-23-2019 36 2022/10 DUE NOW
CA2600624_001_001 SECONDARY/GP-202210 1925 PH 6.800 pH 10-23-2019 36 2022/10 DUE NOW
CA2600624_001_001 SECONDARY/GP-202210 1050 SILVER < 10.000 UG/L 100 10 10-23-2019 36 2022/10 DUE NOW
CA2600624_001_001 SECONDARY/GP-202210 1052 SODIUM 17.000 MG/L 10-23-2019 36 2022/10 DUE NOW
CA2600624_001_001 SECONDARY/GP-202210 1064 CONDUCTIVITY @ 25 C UMHOS/CM 230.000 UMHO/CM 1600 10-23-2019 36 2022/10 DUE NOW
CA2600624_001_001 SECONDARY/GP-202210 1055 SULFATE 2.700 0.500 MG/L 500 .5 10-23-2019 36 2022/10 DUE NOW
CA2600624_001_001 SECONDARY/GP-202210 1930 TDS 150.000 MG/L 1000 10-23-2019 36 2022/10 DUE NOW
CA2600624_001_001 SECONDARY/GP-202210 0100 TURBIDITY 0.260 0.100 NTU 5 .1 10-23-2019 36 2022/10 DUE NOW
CA2600624_001_001 SECONDARY/GP-202210 1095 ZINC < 50.000 UG/L 5000 50 10-23-2019 36 2022/10 DUE NOW
CA2600624_001_001 INORGANIC-202210 1002 ALUMINUM < 50.000 UG/L 1000 50 10-23-2019 36 2022/10 DUE NOW
CA2600624_001_001 INORGANIC-202210 1074 ANTIMONY, TOTAL < 6.000 UG/L 6 6 10-23-2019 36 2022/10 DUE NOW
CA2600624_001_001 INORGANIC-202210 1005 ARSENIC < 2.000 UG/L 10 2 10-23-2019 36 2022/10 DUE NOW
CA2600624_001_001 INORGANIC-202210 1010 BARIUM 110.000 100.000 UG/L 1000 100 10-23-2019 36 2022/10 DUE NOW
CA2600624_001_001 INORGANIC-202210 1075 BERYLLIUM, TOTAL < 1.000 UG/L 4 1 10-23-2019 36 2022/10 DUE NOW
CA2600624_001_001 INORGANIC-202210 1015 CADMIUM < 1.000 UG/L 5 1 10-23-2019 36 2022/10 DUE NOW
CA2600624_001_001 INORGANIC-202210 1020 CHROMIUM < 10.000 UG/L 50 10 10-23-2019 36 2022/10 DUE NOW
CA2600624_001_001 INORGANIC-202210 1024 CYANIDE < 100.000 UG/L 150 100 10-23-2019 36 2022/10 DUE NOW
CA2600624_001_001 INORGANIC-202210 1025 FLUORIDE < 0.100 MG/L 2 .1 10-23-2019 36 2022/10 DUE NOW
CA2600624_001_001 INORGANIC-202210 1035 MERCURY < 1.000 UG/L 2 1 10-23-2019 36 2022/10 DUE NOW
CA2600624_001_001 INORGANIC-202210 1036 NICKEL < 10.000 UG/L 100 10 10-23-2019 36 2022/10 DUE NOW
CA2600624_001_001 INORGANIC-202210 1039 PERCHLORATE < 4.000 UG/L 6 4 10-23-2019 36 2022/10 DUE NOW
CA2600624_001_001 INORGANIC-202210 1045 SELENIUM < 5.000 UG/L 50 5 10-23-2019 36 2022/10 DUE NOW
CA2600624_001_001 INORGANIC-202210 1085 THALLIUM, TOTAL < 1.000 UG/L 2 1 10-23-2019 36 2022/10 DUE NOW
CA2600624_001_001 NITRATE/NITRITE-202411 1040 NITRATE 0.890 0.200 MG/L 10 .4 11-01-2023 12 2024/11
CA2600624_001_001 NITRATE/NITRITE-202210 1041 NITRITE < 0.400 MG/L 1 .4 10-23-2019 36 2022/10 DUE NOW
CA2600624_001_001 RADIOLOGICAL-202508 4109 GROSS ALPHA PARTICLE ACTIVITY < 1.780 PCI/L 15 3 08-25-2022 36 2025/08
CA2600624_001_001 REGULATED VOC-202203 2981 1,1,1-TRICHLOROETHANE < 0.500 UG/L 200 .5 03-30-2016 72 2022/03 DUE NOW
CA2600624_001_001 REGULATED VOC-202203 2988 1,1,2,2-TETRACHLOROETHANE < 0.500 UG/L 1 .5 03-30-2016 72 2022/03 DUE NOW
CA2600624_001_001 REGULATED VOC-202203 2985 1,1,2-TRICHLOROETHANE < 0.500 UG/L 5 .5 03-30-2016 72 2022/03 DUE NOW
CA2600624_001_001 REGULATED VOC-202203 2978 1,1-DICHLOROETHANE < 0.500 UG/L 5 .5 03-30-2016 72 2022/03 DUE NOW
CA2600624_001_001 REGULATED VOC-202203 2977 1,1-DICHLOROETHYLENE < 0.500 UG/L 6 .5 03-30-2016 72 2022/03 DUE NOW
CA2600624_001_001 REGULATED VOC-202203 2378 1,2,4-TRICHLOROBENZENE < 0.500 UG/L 5 .5 03-30-2016 72 2022/03 DUE NOW
CA2600624_001_001 REGULATED VOC-202203 2968 O-DICHLOROBENZENE < 0.500 UG/L 600 .5 03-30-2016 72 2022/03 DUE NOW
CA2600624_001_001 REGULATED VOC-202203 2980 1,2-DICHLOROETHANE < 0.500 UG/L .5 .5 03-30-2016 72 2022/03 DUE NOW
CA2600624_001_001 REGULATED VOC-202203 2983 1,2-DICHLOROPROPANE < 0.500 UG/L 5 .5 03-30-2016 72 2022/03 DUE NOW
CA2600624_001_001 REGULATED VOC-202203 2413 1,3-DICHLOROPROPENE < 0.500 UG/L .5 .5 03-30-2016 72 2022/03 DUE NOW
CA2600624_001_001 REGULATED VOC-202203 2969 P-DICHLOROBENZENE < 0.500 UG/L 5 .5 03-30-2016 72 2022/03 DUE NOW
CA2600624_001_001 REGULATED VOC-202203 2990 BENZENE < 0.500 UG/L 1 .5 03-30-2016 72 2022/03 DUE NOW
CA2600624_001_001 REGULATED VOC-202203 2982 CARBON TETRACHLORIDE < 0.500 UG/L .5 .5 03-30-2016 72 2022/03 DUE NOW
CA2600624_001_001 REGULATED VOC-202203 2380 CIS-1,2-DICHLOROETHYLENE < 0.500 UG/L 6 .5 03-30-2016 72 2022/03 DUE NOW
CA2600624_001_001 REGULATED VOC-202203 2964 DICHLOROMETHANE < 0.500 UG/L 5 .5 03-30-2016 72 2022/03 DUE NOW
CA2600624_001_001 REGULATED VOC-202203 2992 ETHYLBENZENE < 0.500 UG/L 300 .5 03-30-2016 72 2022/03 DUE NOW
CA2600624_001_001 REGULATED VOC-202203 2251 METHYL TERT-BUTYL ETHER < 3.000 UG/L 13 3 03-30-2016 72 2022/03 DUE NOW
CA2600624_001_001 REGULATED VOC-202203 2989 CHLOROBENZENE < 0.500 UG/L 70 .5 03-30-2016 72 2022/03 DUE NOW
CA2600624_001_001 REGULATED VOC-202203 2996 STYRENE < 0.500 UG/L 100 .5 03-30-2016 72 2022/03 DUE NOW
CA2600624_001_001 REGULATED VOC-202203 2987 TETRACHLOROETHYLENE < 0.500 UG/L 5 .5 03-30-2016 72 2022/03 DUE NOW
CA2600624_001_001 REGULATED VOC-202203 2991 TOLUENE < 0.500 UG/L 150 .5 03-30-2016 72 2022/03 DUE NOW
CA2600624_001_001 REGULATED VOC-202203 2979 TRANS-1,2-DICHLOROETHYLENE < 0.500 UG/L 10 .5 03-30-2016 72 2022/03 DUE NOW
CA2600624_001_001 REGULATED VOC-202203 2984 TRICHLOROETHYLENE < 0.500 UG/L 5 .5 03-30-2016 72 2022/03 DUE NOW
CA2600624_001_001 REGULATED VOC-202203 2218 TRICHLOROFLUOROMETHANE < 5.000 UG/L 150 5 03-30-2016 72 2022/03 DUE NOW
CA2600624_001_001 REGULATED VOC-202203 2904 TRICHLOROTRIFLUOROETHANE < 10.000 UG/L 1200 10 03-30-2016 72 2022/03 DUE NOW
CA2600624_001_001 REGULATED VOC-202203 2976 VINYL CHLORIDE < 0.500 UG/L .5 .5 03-30-2016 72 2022/03 DUE NOW
CA2600624_001_001 REGULATED VOC-202203 2955 XYLENES, TOTAL < 0.500 UG/L 1750 0.5 03-30-2016 72 2022/03 DUE NOW
CA2600624_001_001 REGULATED SOC-202408 2414 1,2,3-TRICHLOROPROPANE < 0.005 UG/L 0.005 08-03-2021 36 2024/08
CA2600624_001_001 REGULATED SOC-202210 2931 1,2-DIBROMO-3-CHLOROPROPANE < UG/L .2 .01 10-23-2019 36 2022/10 DUE NOW
CA2600624_001_001 REGULATED SOC-202210 2946 ETHYLENE DIBROMIDE < UG/L .05 .02 10-23-2019 36 2022/10 DUE NOW
PS Codes Group Name Analyte Number Analyte Name Detected Level Less Than RL Unit MCL DLR Last Sampled Frequency Next Due Notes

RL – Reporting Level means the level to which the laboratory reported the presence of an analyte. For radionuclides, Reporting Level is the MDA95.

DLR – Detection Limit for purposes of Reporting (DLR) means the designated minimum level at or above which any analytical finding of a contaminant in drinking water resulting from monitoring required under Chapter 15 of Title 22 shall be reported to the State Board (California Code of Regulations Section § 64400.34)

For addtional definitions, please refer to our data dictionary.