Lead and Copper Sample Summary Results

Water System No. :	CA2010017	Federal Type :	C
Water System Name :	TESORO VIEJO MASTER MWC, INC.	State Type :	C
Principal County Served :	MADERA	Primary Source :	SW
Status :	A	Activity Date :	08-08-2018
Distribution System Classification :	D2	Max Treatment Plant Classification :	T3

MP *	MP Begin	MP End	Type	# Samples	Measure	Units	Analyte Code/Name	Begin Sampling	End Sampling
MP *	MP Begin	MP End	Type	# Samples	Measure	Units	Analyte Code/Name	Begin Sampling	End Sampling
YR2023	01-01-2023	12-31-2023	90	11	0	MG/L	PB90 - LEAD SUMMARY	08-23-2023	09-06-2023
YR2023	01-01-2023	12-31-2023	90	11	0.301	MG/L	CU90 - COPPER SUMMARY	08-23-2023	09-06-2023
YR2022	01-01-2022	12-31-2022	90	20	0	MG/L	PB90 - LEAD SUMMARY	08-30-2022	09-01-2022
YR2022	01-01-2022	12-31-2022	90	20	0.0983	MG/L	CU90 - COPPER SUMMARY	08-30-2022	09-01-2022
YR2021	01-01-2021	12-31-2021	90	10	0	MG/L	PB90 - LEAD SUMMARY	07-30-2021	08-05-2021
YR2021	01-01-2021	12-31-2021	90	10	0.250	MG/L	CU90 - COPPER SUMMARY	07-30-2021	08-05-2021
6M2ND-2020	07-01-2020	12-31-2020	90	11	0	MG/L	PB90 - LEAD SUMMARY	11-17-2020	12-01-2020
6M2ND-2020	07-01-2020	12-31-2020	90	11	0.50825	MG/L	CU90 - COPPER SUMMARY	11-17-2020	12-01-2020
6M1ST-2020	01-01-2020	06-30-2020	90	12	0.52027	MG/L	CU90 - COPPER SUMMARY	06-11-2020	06-11-2020
6M1ST-2020	01-01-2020	06-30-2020	90	12	0.00151	MG/L	PB90 - LEAD SUMMARY	06-11-2020	06-11-2020

* MP is monitoring period which can be triennial (3Y), annual (YR), 1st six months (6M1ST), or 2nd six months (6M2ND)