Lead and Copper Sample Summary Results

Water System No. :	CA0706029	Federal Type :	NTNC
Water System Name :	EXCELSIOR MIDDLE SCHOOL	State Type :	NTNC
Principal County Served :	CONTRA COSTA	Primary Source :	GW
Status :	A	Activity Date :	05-10-2016
Distribution System Classification :	D1	Max Treatment Plant Classification :	TD

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
3Y2020-2022	01-01-2020	12-31-2022	90	5	0	MG/L	PB90 - LEAD SUMMARY	08-21-2020	08-21-2020
3Y2020-2022	01-01-2020	12-31-2022	90	5	1.5000000	MG/L	CU90 - COPPER SUMMARY	08-21-2020	08-21-2020
3Y2020-2022	01-01-2020	12-31-2022	AL	2 exceeding Action Level	---	---	CU90 - COPPER SUMMARY	08-21-2020	08-21-2020
3Y2019-2021	01-01-2019	12-31-2021	90	20	0.0020	MG/L	PB90 - LEAD SUMMARY	07-09-2019	07-09-2019
3Y2019-2021	01-01-2019	12-31-2021	90	20	0.550000	MG/L	CU90 - COPPER SUMMARY	07-09-2019	07-09-2019
3Y2018-2020	01-01-2018	12-31-2020	90	10	0.07100	MG/L	PB90 - LEAD SUMMARY	09-14-2018	09-14-2018
3Y2018-2020	01-01-2018	12-31-2020	AL	6 exceeding Action Level	---	---	PB90 - LEAD SUMMARY	09-14-2018	09-14-2018
3Y2018-2020	01-01-2018	12-31-2020	90	10	1.8000000	MG/L	CU90 - COPPER SUMMARY	09-14-2018	09-14-2018
3Y2018-2020	01-01-2018	12-31-2020	AL	4 exceeding Action Level	---	---	CU90 - COPPER SUMMARY	09-14-2018	09-14-2018
3Y2012-2014	01-01-2012	12-31-2014	90	5	0.53	MG/L	CU90 - COPPER SUMMARY	04-22-2012	04-22-2012
3Y2012-2014	01-01-2012	12-31-2014	90	5	0.014	MG/L	PB90 - LEAD SUMMARY	04-22-2012	04-22-2012

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