LAST AND NEXT SAMPLE REPORT

Date:05-19-2024	STATE OF CALIFORNIA
LAST AND NEXT SAMPLE REPORT
SYSTEM NO.:4900647	SYSTEM NAME:SERENO DEL MAR WATER COMPANY (PUC)	COUNTY:SONOMA
SOURCE NO.:005	SOURCE NAME:WELL 01 (SURFACE INFLUENCE) - STANDBY	SOURCE CLASS:CSBA	STATUS:A

PS Codes	Group Name	Analyte Number	Analyte Name	Results			Unit	MCL	DLR	Last Sampled	Frequency	Next Due	Notes
PS Codes	Group Name	Analyte Number	Analyte Name	Detected Level	Less Than	RL	Unit	MCL	DLR	Last Sampled	Frequency	Next Due	Notes
CA4900647_005_005	SECONDARY/GP-203001	1928	ALKALINITY, BICARBONATE	380.000			MG/L			01-21-2021	108	2030/01
CA4900647_005_005	SECONDARY/GP-203001	1919	CALCIUM	53.000			MG/L			01-21-2021	108	2030/01
CA4900647_005_005	SECONDARY/GP-203001	1929	ALKALINITY, CARBONATE		<	1.000	MG/L			01-21-2021	108	2030/01
CA4900647_005_005	SECONDARY/GP-203001	1017	CHLORIDE	66.000			MG/L	500		01-21-2021	108	2030/01
CA4900647_005_005	SECONDARY/GP-203001	1905	COLOR	100.000			UNITS	15		01-21-2021	108	2030/01
CA4900647_005_005	SECONDARY/GP-203001	1022	COPPER, FREE		<	50.000	UG/L	1000	50	01-21-2021	108	2030/01
CA4900647_005_005	SECONDARY/GP-203001	2905	FOAMING AGENTS (SURFACTANTS)		<	0.100	MG/L	.5		01-21-2021	108	2030/01
CA4900647_005_005	SECONDARY/GP-203001	1915	HARDNESS, TOTAL (AS CACO3)	230.000			MG/L			01-21-2021	108	2030/01
CA4900647_005_005	SECONDARY/GP-203001	1021	HYDROXIDE AS CALCIUM CARBONATE		<	1.000	MG/L			01-21-2021	108	2030/01
CA4900647_005_005	SECONDARY/GP-203001	1028	IRON	19000.000		100.000	UG/L	300	100	01-21-2021	108	2030/01
CA4900647_005_005	SECONDARY/GP-203001	1031	MAGNESIUM	24.000			MG/L			01-21-2021	108	2030/01
CA4900647_005_005	SECONDARY/GP-203001	1032	MANGANESE	2600.000		20.000	UG/L	50	20	01-21-2021	108	2030/01
CA4900647_005_005	SECONDARY/GP-203001	1920	ODOR	3.000		1.000	TON	3	1	01-21-2021	108	2030/01
CA4900647_005_005	SECONDARY/GP-203001	1925	PH	6.800			pH			01-21-2021	108	2030/01
CA4900647_005_005	SECONDARY/GP-203001	1050	SILVER		<	10.000	UG/L	100	10	01-21-2021	108	2030/01
CA4900647_005_005	SECONDARY/GP-203001	1052	SODIUM	63.000			MG/L			01-21-2021	108	2030/01
CA4900647_005_005	SECONDARY/GP-203001	1064	CONDUCTIVITY @ 25 C UMHOS/CM	700.000			UMHO/CM	1600		01-21-2021	108	2030/01
CA4900647_005_005	SECONDARY/GP-203001	1055	SULFATE	2.400		0.500	MG/L	500	.5	01-21-2021	108	2030/01
CA4900647_005_005	SECONDARY/GP-203001	1930	TDS	350.000			MG/L	1000		01-21-2021	108	2030/01
CA4900647_005_005	SECONDARY/GP-203001	0100	TURBIDITY	85.000		0.100	NTU	5	.1	01-21-2021	108	2030/01
CA4900647_005_005	SECONDARY/GP-203001	1095	ZINC		<	50.000	UG/L	5000	50	01-21-2021	108	2030/01
CA4900647_005_005	INORGANIC-203001	1002	ALUMINUM		<	50.000	UG/L	1000	50	01-21-2021	108	2030/01
CA4900647_005_005	INORGANIC-203001	1074	ANTIMONY, TOTAL		<	6.000	UG/L	6	6	01-21-2021	108	2030/01
CA4900647_005_005	INORGANIC-203001	1005	ARSENIC	51.000		2.000	UG/L	10	2	01-21-2021	108	2030/01
CA4900647_005_005	INORGANIC-202910	1094	ASBESTOS		<	0.200	MFL	7	.2	10-06-2020	108	2029/10
CA4900647_005_005	INORGANIC-203001	1010	BARIUM	450.000		100.000	UG/L	1000	100	01-21-2021	108	2030/01
CA4900647_005_005	INORGANIC-203001	1075	BERYLLIUM, TOTAL		<	1.000	UG/L	4	1	01-21-2021	108	2030/01
CA4900647_005_005	INORGANIC-203001	1015	CADMIUM		<	1.000	UG/L	5	1	01-21-2021	108	2030/01
CA4900647_005_005	INORGANIC-203001	1020	CHROMIUM	3.000		10.000	UG/L	50	10	01-21-2021	108	2030/01
CA4900647_005_005	INORGANIC-203001	1025	FLUORIDE	0.180		0.100	MG/L	2	.1	01-21-2021	108	2030/01
CA4900647_005_005	INORGANIC-203001	1035	MERCURY		<	1.000	UG/L	2	1	01-21-2021	108	2030/01
CA4900647_005_005	INORGANIC-203001	1036	NICKEL		<	10.000	UG/L	100	10	01-21-2021	108	2030/01
CA4900647_005_005	INORGANIC-203001	1045	SELENIUM	5.800		5.000	UG/L	50	5	01-21-2021	108	2030/01
CA4900647_005_005	INORGANIC-203001	1085	THALLIUM, TOTAL		<	1.000	UG/L	2	1	01-21-2021	108	2030/01
CA4900647_005_005	NITRATE/NITRITE-203001	1040	NITRATE		<	0.400	MG/L	10	.4	01-21-2021	108	2030/01
CA4900647_005_005	NITRATE/NITRITE-202910	1041	NITRITE		<	0.400	MG/L	1	.4	10-06-2020	108	2029/10
CA4900647_005_005	RADIOLOGICAL-203209	4109	GROSS ALPHA PARTICLE ACTIVITY	2.040 +/- 0.715		0.227	PCI/L	15	3	09-12-2023	108	2032/09
CA4900647_005_005	REGULATED VOC-202910	2981	1,1,1-TRICHLOROETHANE		<	0.500	UG/L	200	.5	10-06-2020	108	2029/10
CA4900647_005_005	REGULATED VOC-202910	2988	1,1,2,2-TETRACHLOROETHANE		<	0.500	UG/L	1	.5	10-06-2020	108	2029/10
CA4900647_005_005	REGULATED VOC-202910	2985	1,1,2-TRICHLOROETHANE		<	0.500	UG/L	5	.5	10-06-2020	108	2029/10
CA4900647_005_005	REGULATED VOC-202910	2978	1,1-DICHLOROETHANE		<	0.500	UG/L	5	.5	10-06-2020	108	2029/10
CA4900647_005_005	REGULATED VOC-202910	2977	1,1-DICHLOROETHYLENE		<	0.500	UG/L	6	.5	10-06-2020	108	2029/10
CA4900647_005_005	REGULATED VOC-202910	2378	1,2,4-TRICHLOROBENZENE		<	0.500	UG/L	5	.5	10-06-2020	108	2029/10
CA4900647_005_005	REGULATED VOC-202910	2968	O-DICHLOROBENZENE		<	0.500	UG/L	600	.5	10-06-2020	108	2029/10
CA4900647_005_005	REGULATED VOC-202910	2980	1,2-DICHLOROETHANE		<	0.500	UG/L	.5	.5	10-06-2020	108	2029/10
CA4900647_005_005	REGULATED VOC-202910	2983	1,2-DICHLOROPROPANE		<	0.500	UG/L	5	.5	10-06-2020	108	2029/10
CA4900647_005_005	REGULATED VOC-202910	2413	1,3-DICHLOROPROPENE		<	0.500	UG/L	.5	.5	10-06-2020	108	2029/10
CA4900647_005_005	REGULATED VOC-202910	2969	P-DICHLOROBENZENE		<	0.500	UG/L	5	.5	10-06-2020	108	2029/10
CA4900647_005_005	REGULATED VOC-202910	2990	BENZENE		<	0.500	UG/L	1	.5	10-06-2020	108	2029/10
CA4900647_005_005	REGULATED VOC-202910	2982	CARBON TETRACHLORIDE		<	0.500	UG/L	.5	.5	10-06-2020	108	2029/10
CA4900647_005_005	REGULATED VOC-202910	2380	CIS-1,2-DICHLOROETHYLENE		<	0.500	UG/L	6	.5	10-06-2020	108	2029/10
CA4900647_005_005	REGULATED VOC-202910	2964	DICHLOROMETHANE		<	0.500	UG/L	5	.5	10-06-2020	108	2029/10
CA4900647_005_005	REGULATED VOC-202910	2992	ETHYLBENZENE		<	0.500	UG/L	300	.5	10-06-2020	108	2029/10
CA4900647_005_005	REGULATED VOC-202910	2251	METHYL TERT-BUTYL ETHER		<	3.000	UG/L	13	3	10-06-2020	108	2029/10
CA4900647_005_005	REGULATED VOC-202910	2989	CHLOROBENZENE		<	0.500	UG/L	70	.5	10-06-2020	108	2029/10
CA4900647_005_005	REGULATED VOC-202910	2996	STYRENE		<	0.500	UG/L	100	.5	10-06-2020	108	2029/10
CA4900647_005_005	REGULATED VOC-202910	2987	TETRACHLOROETHYLENE		<	0.500	UG/L	5	.5	10-06-2020	108	2029/10
CA4900647_005_005	REGULATED VOC-202910	2991	TOLUENE		<	0.500	UG/L	150	.5	10-06-2020	108	2029/10
CA4900647_005_005	REGULATED VOC-202910	2979	TRANS-1,2-DICHLOROETHYLENE		<	0.500	UG/L	10	.5	10-06-2020	108	2029/10
CA4900647_005_005	REGULATED VOC-202910	2984	TRICHLOROETHYLENE		<	0.500	UG/L	5	.5	10-06-2020	108	2029/10
CA4900647_005_005	REGULATED VOC-202910	2218	TRICHLOROFLUOROMETHANE		<	5.000	UG/L	150	5	10-06-2020	108	2029/10
CA4900647_005_005	REGULATED VOC-202910	2904	TRICHLOROTRIFLUOROETHANE		<	10.000	UG/L	1200	10	10-06-2020	108	2029/10
CA4900647_005_005	REGULATED VOC-202910	2976	VINYL CHLORIDE		<	0.500	UG/L	.5	.5	10-06-2020	108	2029/10
CA4900647_005_005	REGULATED VOC-202910	2955	XYLENES, TOTAL		<	0.500	UG/L	1750	0.5	10-06-2020	108	2029/10
CA4900647_005_005	REGULATED SOC-203001	2414	1,2,3-TRICHLOROPROPANE		<		UG/L	0.005		01-21-2021	108	2030/01
CA4900647_005_005	REGULATED SOC-202910	2110	2,4,5-TP		<	1.000	UG/L	50	1	10-06-2020	108	2029/10
CA4900647_005_005	REGULATED SOC-202910	2105	2,4-D		<	10.000	UG/L	70	10	10-06-2020	108	2029/10
CA4900647_005_005	REGULATED SOC-202910	2050	ATRAZINE		<	0.500	UG/L	1	.5	10-06-2020	108	2029/10
CA4900647_005_005	REGULATED SOC-202910	2046	CARBOFURAN		<	5.000	UG/L	18	5	10-06-2020	108	2029/10
CA4900647_005_005	REGULATED SOC-202910	2031	DALAPON		<	10.000	UG/L	200	10	10-06-2020	108	2029/10
CA4900647_005_005	REGULATED SOC-202910	2041	DINOSEB		<	2.000	UG/L	7	2	10-06-2020	108	2029/10
CA4900647_005_005	REGULATED SOC-202910	2032	DIQUAT		<	4.000	UG/L	20	4	10-06-2020	108	2029/10
CA4900647_005_005	REGULATED SOC-202910	2033	ENDOTHALL		<	45.000	UG/L	100	45	10-06-2020	108	2029/10
CA4900647_005_005	REGULATED SOC-202910	2946	ETHYLENE DIBROMIDE		<		UG/L	.05	.02	10-06-2020	108	2029/10
CA4900647_005_005	REGULATED SOC-202908	2065	HEPTACHLOR		<		UG/L	.01	.01	08-13-2020	108	2029/08
CA4900647_005_005	REGULATED SOC-202908	2067	HEPTACHLOR EPOXIDE		<		UG/L	.01	.01	08-13-2020	108	2029/08
CA4900647_005_005	REGULATED SOC-202908	2010	BHC-GAMMA		<	0.200	UG/L	.2	.2	08-13-2020	108	2029/08
CA4900647_005_005	REGULATED SOC-202908	2015	METHOXYCHLOR		<	10.000	UG/L	30	10	08-13-2020	108	2029/08
CA4900647_005_005	REGULATED SOC-202910	2036	OXAMYL		<	20.000	UG/L	50	20	10-06-2020	108	2029/10
CA4900647_005_005	REGULATED SOC-202910	2326	PENTACHLOROPHENOL		<	0.200	UG/L	1	.2	10-06-2020	108	2029/10
CA4900647_005_005	REGULATED SOC-202910	2040	PICLORAM		<	1.000	UG/L	500	1	10-06-2020	108	2029/10
CA4900647_005_005	REGULATED SOC-202910	2037	SIMAZINE		<	1.000	UG/L	4	1	10-06-2020	108	2029/10
CA4900647_005_005	REGULATED SOC-202908	2020	TOXAPHENE		<	1.000	UG/L	3	1	08-13-2020	108	2029/08
CA4900647_005_005	GENERAL NON CHAP 15-203001	1927	ALKALINITY, TOTAL	310.000			MG/L			01-21-2021	108	2030/01
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.