Date:05-18-2024STATE OF CALIFORNIA 
LAST AND NEXT SAMPLE REPORT
SYSTEM NO.:4010002SYSTEM NAME:ATASCADERO MUTUAL WATER COCOUNTY:SAN LUIS OBISPO 
SOURCE NO.:012SOURCE NAME:WELL 10SOURCE CLASS:LARGSTATUS: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
CA4010002_012_012 SECONDARY/GP-202407 1928 ALKALINITY, BICARBONATE 260.000 MG/L 07-15-2021 36 2024/07
CA4010002_012_012 SECONDARY/GP-202407 1919 CALCIUM 72.000 MG/L 07-15-2021 36 2024/07
CA4010002_012_012 SECONDARY/GP-202407 1929 ALKALINITY, CARBONATE < MG/L 07-15-2021 36 2024/07
CA4010002_012_012 SECONDARY/GP-202608 1017 CHLORIDE 32.000 1.000 MG/L 500 08-01-2023 36 2026/08
CA4010002_012_012 SECONDARY/GP-202407 1905 COLOR < UNITS 15 07-15-2021 36 2024/07
CA4010002_012_012 SECONDARY/GP-202407 1022 COPPER, FREE < 50.000 UG/L 1000 50 07-15-2021 36 2024/07
CA4010002_012_012 SECONDARY/GP-202407 2905 FOAMING AGENTS (SURFACTANTS) < MG/L .5 07-15-2021 36 2024/07
CA4010002_012_012 SECONDARY/GP-202407 1915 HARDNESS, TOTAL (AS CACO3) 300.000 MG/L 07-15-2021 36 2024/07
CA4010002_012_012 SECONDARY/GP-202407 1021 HYDROXIDE AS CALCIUM CARBONATE < MG/L 07-15-2021 36 2024/07
CA4010002_012_012 SECONDARY/GP-202407 1028 IRON < 100.000 UG/L 300 100 07-15-2021 36 2024/07
CA4010002_012_012 SECONDARY/GP-202407 1031 MAGNESIUM 30.000 MG/L 07-15-2021 36 2024/07
CA4010002_012_012 SECONDARY/GP-202407 1032 MANGANESE < 20.000 UG/L 50 20 07-15-2021 36 2024/07
CA4010002_012_012 SECONDARY/GP-202407 1920 ODOR 1.000 1.000 TON 3 1 07-15-2021 36 2024/07
CA4010002_012_012 SECONDARY/GP-202702 1925 PH 7.300 pH 02-06-2024 36 2027/02
CA4010002_012_012 SECONDARY/GP-202407 1050 SILVER < 10.000 UG/L 100 10 07-15-2021 36 2024/07
CA4010002_012_012 SECONDARY/GP-202407 1052 SODIUM 33.000 MG/L 07-15-2021 36 2024/07
CA4010002_012_012 SECONDARY/GP-202407 1064 CONDUCTIVITY @ 25 C UMHOS/CM 650.000 UMHO/CM 1600 07-15-2021 36 2024/07
CA4010002_012_012 SECONDARY/GP-202407 1055 SULFATE 84.000 0.500 MG/L 500 .5 07-15-2021 36 2024/07
CA4010002_012_012 SECONDARY/GP-202608 1930 TDS 400.000 5.000 MG/L 1000 08-01-2023 36 2026/08
CA4010002_012_012 SECONDARY/GP-202407 0100 TURBIDITY 0.300 0.100 NTU 5 .1 07-15-2021 36 2024/07
CA4010002_012_012 SECONDARY/GP-202407 1095 ZINC < 50.000 UG/L 5000 50 07-15-2021 36 2024/07
CA4010002_012_012 INORGANIC-202407 1002 ALUMINUM < 50.000 UG/L 1000 50 07-15-2021 36 2024/07
CA4010002_012_012 INORGANIC-202407 1074 ANTIMONY, TOTAL < 6.000 UG/L 6 6 07-15-2021 36 2024/07
CA4010002_012_012 INORGANIC-202407 1005 ARSENIC < 2.000 UG/L 10 2 07-15-2021 36 2024/07
CA4010002_012_012 INORGANIC-202407 1010 BARIUM < 100.000 UG/L 1000 100 07-15-2021 36 2024/07
CA4010002_012_012 INORGANIC-202407 1075 BERYLLIUM, TOTAL < 1.000 UG/L 4 1 07-15-2021 36 2024/07
CA4010002_012_012 INORGANIC-202407 1015 CADMIUM < 1.000 UG/L 5 1 07-15-2021 36 2024/07
CA4010002_012_012 INORGANIC-202407 1020 CHROMIUM < 10.000 UG/L 50 10 07-15-2021 36 2024/07
CA4010002_012_012 INORGANIC-202407 1025 FLUORIDE 0.130 0.100 MG/L 2 .1 07-15-2021 36 2024/07
CA4010002_012_012 INORGANIC-202407 1030 LEAD < 5.000 UG/L 5 07-15-2021 36 2024/07
CA4010002_012_012 INORGANIC-202407 1035 MERCURY < 1.000 UG/L 2 1 07-15-2021 36 2024/07
CA4010002_012_012 INORGANIC-202407 1036 NICKEL < 10.000 UG/L 100 10 07-15-2021 36 2024/07
CA4010002_012_012 INORGANIC-202407 1039 PERCHLORATE < 2.000 UG/L 6 2 07-15-2021 36 2024/07
CA4010002_012_012 INORGANIC-202407 1045 SELENIUM < 5.000 UG/L 50 5 07-15-2021 36 2024/07
CA4010002_012_012 INORGANIC-202407 1085 THALLIUM, TOTAL < 1.000 UG/L 2 1 07-15-2021 36 2024/07
CA4010002_012_012 NITRATE/NITRITE-202408 1040 NITRATE 0.650 0.400 MG/L 10 .4 08-01-2023 12 2024/08
CA4010002_012_012 NITRATE/NITRITE-202407 1041 NITRITE < 0.400 MG/L 1 .4 07-15-2021 36 2024/07
CA4010002_012_012 RADIOLOGICAL-203005 4109 GROSS ALPHA PARTICLE ACTIVITY < 0.700 PCI/L 15 3 05-25-2021 108 2030/05
CA4010002_012_012 REGULATED VOC-202407 2981 1,1,1-TRICHLOROETHANE < 0.500 UG/L 200 .5 07-15-2021 36 2024/07
CA4010002_012_012 REGULATED VOC-202407 2988 1,1,2,2-TETRACHLOROETHANE < 0.500 UG/L 1 .5 07-15-2021 36 2024/07
CA4010002_012_012 REGULATED VOC-202407 2985 1,1,2-TRICHLOROETHANE < 0.500 UG/L 5 .5 07-15-2021 36 2024/07
CA4010002_012_012 REGULATED VOC-202407 2978 1,1-DICHLOROETHANE < 0.500 UG/L 5 .5 07-15-2021 36 2024/07
CA4010002_012_012 REGULATED VOC-202407 2977 1,1-DICHLOROETHYLENE < 0.500 UG/L 6 .5 07-15-2021 36 2024/07
CA4010002_012_012 REGULATED VOC-202407 2378 1,2,4-TRICHLOROBENZENE < 0.500 UG/L 5 .5 07-15-2021 36 2024/07
CA4010002_012_012 REGULATED VOC-202407 2968 O-DICHLOROBENZENE < 0.500 UG/L 600 .5 07-15-2021 36 2024/07
CA4010002_012_012 REGULATED VOC-202407 2980 1,2-DICHLOROETHANE < 0.500 UG/L .5 .5 07-15-2021 36 2024/07
CA4010002_012_012 REGULATED VOC-202407 2983 1,2-DICHLOROPROPANE < 0.500 UG/L 5 .5 07-15-2021 36 2024/07
CA4010002_012_012 REGULATED VOC-202407 2413 1,3-DICHLOROPROPENE < 0.500 UG/L .5 .5 07-15-2021 36 2024/07
CA4010002_012_012 REGULATED VOC-202407 2969 P-DICHLOROBENZENE < 0.500 UG/L 5 .5 07-15-2021 36 2024/07
CA4010002_012_012 REGULATED VOC-202407 2990 BENZENE < 0.500 UG/L 1 .5 07-15-2021 36 2024/07
CA4010002_012_012 REGULATED VOC-202407 2982 CARBON TETRACHLORIDE < 0.500 UG/L .5 .5 07-15-2021 36 2024/07
CA4010002_012_012 REGULATED VOC-202407 2380 CIS-1,2-DICHLOROETHYLENE < 0.500 UG/L 6 .5 07-15-2021 36 2024/07
CA4010002_012_012 REGULATED VOC-202407 2964 DICHLOROMETHANE < 0.500 UG/L 5 .5 07-15-2021 36 2024/07
CA4010002_012_012 REGULATED VOC-202407 2992 ETHYLBENZENE < 0.500 UG/L 300 .5 07-15-2021 36 2024/07
CA4010002_012_012 REGULATED VOC-202407 2251 METHYL TERT-BUTYL ETHER < 3.000 UG/L 13 3 07-15-2021 36 2024/07
CA4010002_012_012 REGULATED VOC-202407 2989 CHLOROBENZENE < 0.500 UG/L 70 .5 07-15-2021 36 2024/07
CA4010002_012_012 REGULATED VOC-202407 2996 STYRENE < 0.500 UG/L 100 .5 07-15-2021 36 2024/07
CA4010002_012_012 REGULATED VOC-202407 2987 TETRACHLOROETHYLENE < 0.500 UG/L 5 .5 07-15-2021 36 2024/07
CA4010002_012_012 REGULATED VOC-202407 2991 TOLUENE < 0.500 UG/L 150 .5 07-15-2021 36 2024/07
CA4010002_012_012 REGULATED VOC-202407 2979 TRANS-1,2-DICHLOROETHYLENE < 0.500 UG/L 10 .5 07-15-2021 36 2024/07
CA4010002_012_012 REGULATED VOC-202407 2984 TRICHLOROETHYLENE < 0.500 UG/L 5 .5 07-15-2021 36 2024/07
CA4010002_012_012 REGULATED VOC-202407 2218 TRICHLOROFLUOROMETHANE < 5.000 UG/L 150 5 07-15-2021 36 2024/07
CA4010002_012_012 REGULATED VOC-202407 2904 TRICHLOROTRIFLUOROETHANE < 10.000 UG/L 1200 10 07-15-2021 36 2024/07
CA4010002_012_012 REGULATED VOC-202407 2976 VINYL CHLORIDE < 0.500 UG/L .5 .5 07-15-2021 36 2024/07
CA4010002_012_012 REGULATED VOC-202407 2955 XYLENES, TOTAL < 0.500 UG/L 1750 0.5 07-15-2021 36 2024/07
CA4010002_012_012 REGULATED SOC-202409 2414 1,2,3-TRICHLOROPROPANE < 0.005 UG/L 0.005 09-14-2021 36 2024/09
CA4010002_012_012 REGULATED SOC-203210 2050 ATRAZINE < 0.500 UG/L 1 .5 10-05-2023 108 2032/10
CA4010002_012_012 REGULATED SOC-203210 2037 SIMAZINE < 1.000 UG/L 4 1 10-05-2023 108 2032/10
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.