Lead and Copper Sample Summary Results

Water System No. :	CA4900847	Federal Type :	NC
Water System Name :	DUNCANS MILLS TRADING COMPANY	State Type :	NC
Principal County Served :	SONOMA	Primary Source :	GW
Status :	A	Activity Date :	03-22-1979
Distribution System Classification :	D1	Max Treatment Plant Classification :	There are no treatment plants

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	5	0.378	MG/L	CU90 - COPPER SUMMARY	06-08-2023	06-08-2023
YR2023	01-01-2023	12-31-2023	90	5	0	MG/L	PB90 - LEAD SUMMARY	06-08-2023	06-08-2023
YR2022	01-01-2022	12-31-2022	90	5	0	MG/L	PB90 - LEAD SUMMARY	06-13-2022	06-13-2022
YR2022	01-01-2022	12-31-2022	90	5	0.025	MG/L	CU90 - COPPER SUMMARY	06-13-2022	06-13-2022
6M2ND-2021	07-01-2021	12-31-2021	90	10	0	MG/L	PB90 - LEAD SUMMARY	10-21-2021	10-21-2021
6M2ND-2021	07-01-2021	12-31-2021	90	10	0	MG/L	CU90 - COPPER SUMMARY	10-21-2021	10-21-2021
6M1ST-2021	01-01-2021	06-30-2021	90	11	0	MG/L	PB90 - LEAD SUMMARY	01-11-2021	04-26-2021
6M1ST-2021	01-01-2021	06-30-2021	90	11	0.090000	MG/L	CU90 - COPPER SUMMARY	01-11-2021	04-26-2021
6M2ND-2020	07-01-2020	12-31-2020	90	10	0	MG/L	PB90 - LEAD SUMMARY	10-13-2020	10-13-2020
6M2ND-2020	07-01-2020	12-31-2020	90	10	1.7000000	MG/L	CU90 - COPPER SUMMARY	10-13-2020	10-13-2020
6M2ND-2020	07-01-2020	12-31-2020	AL	2 exceeding Action Level	---	---	CU90 - COPPER SUMMARY	10-13-2020	10-13-2020

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