Alerts indicate water quality tests with analytical results greater than the detection limit or one-half of the maximum allowable contaminant level which may require some follow-up actions by Drinking Water Services. See the Contacts link for reports on follow-up actions. Alerts are not water quality violations. Violations for this water system can be found here.

Alert Type Abbreviations:  COLI = Coliform, LCR = Lead and copper 90th percentile, LCRE = Lead and copper corrosion control, SODIUM = Sodium*

*Non-alert (water quality notice)

Results:  14 alerts found for this water system.Show response time

Water Quality Alerts
Alert ID	Sample Date	Alert Date	Source ID	Source Name	Alert Type	Contaminant	Result	Alert Level	MCL	Contact Report
LCRE30365	01/01/2022	02/08/2022	EP-D	EP FOR SOUTH YAMHILL RIVER	LCRE	LCR EXCURSION	3	>0		02/08/2022
LCRE30234	12/01/2021	01/12/2022	EP-D	EP FOR SOUTH YAMHILL RIVER	LCRE	LCR EXCURSION	3	>0		01/12/2022
LCRE28808	04/01/2021	05/05/2021	EP-D	EP FOR SOUTH YAMHILL RIVER	LCRE	LCR EXCURSION	1	>0		05/06/2021
LCRE26824	03/01/2020	04/09/2020	EP-D	EP FOR SOUTH YAMHILL RIVER	LCRE	LCR EXCURSION	2	>0		04/13/2020
LCRE24807	01/01/2019	02/08/2019	DIST-A	Distribution System	LCRE	LCR EXCURSION	1	>0		02/14/2019
LCRE24201	09/01/2018	10/08/2018	EP-D	EP FOR SOUTH YAMHILL RIVER	LCRE	LCR EXCURSION	1	>0		02/07/2018
COLI15360	03/23/2016	03/25/2016	DIST-A	4110 Amity rd hb	COLI	COLIFORM, TOTAL (TCR)	Present	Present	Present	03/25/2016
CHEM7041	11/19/2015	02/03/2016			LCR	COPPER 90TH % VALUE	1.425	1.35		02/04/2016
CHEM6122	11/20/2013	12/30/2013			LCR	COPPER 90TH % VALUE	1.47	1.35		02/03/2016
CHEM5258	12/29/2011	01/26/2012			LCR	COPPER 90TH % VALUE	1.8	1.35
CHEM3299	09/23/2008	01/09/2009			LCR	COPPER 90TH % VALUE	1.41	1.35		01/16/2009
COLI1545	09/27/2004	10/11/2004	DIST-A	Distribution System	COLI	COLIFORM, TOTAL (TCR)	Present	Present	Present
CHEM721	11/05/2001	04/08/2004	EP-D	EP FOR SOUTH YAMHILL RIVER	SODIUM*	SODIUM	31.8	20
CHEM697	01/15/2004	03/09/2004	EP-B	EP - WELL 2	SODIUM*	SODIUM	37.2	20

*Non-alert (water quality notice)

Archived Alerts (SWS database)
Date	Source	Chemical	Results mg/l	MCL mg/l
11/04/1998	B--EP - WELL 2	Atrazine	0.00018	0.003
07/09/2002		Coliform
09/15/1998		Coliform
01/06/1998		Coliform
10/21/1997		Coliform
10/22/1996		Coliform
10/15/1996		Coliform
11/29/1995		Coliform
11/14/1995		Coliform
11/01/1995		Coliform
10/24/1995		Coliform
09/19/1995		Coliform
07/30/1993		Coliform
01/13/1992	BA--WELL #2	Lead	0.026	0.015
11/04/1998	B--EP - WELL 2	Simazine	0.00016	0.004
11/05/2001	B--EP - WELL 2	Sodium	35.6
11/05/2001	D--EP FOR SOUTH YAMHILL RIVER	Sodium	31.8
12/27/1999	D--EP FOR SOUTH YAMHILL RIVER	Sodium	60.8
09/15/1998	B--EP - WELL 2	Sodium	36.6
11/13/1996	D--EP FOR SOUTH YAMHILL RIVER	Sodium	23.7
10/15/1993	B--ENTRY POINT - WELL 2	Sodium	48
10/15/1993	C--ENTRY POINT - PARK WELL	Sodium	33

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