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:  CHEM = Chemical

Response Time is the number of days from the alert date to the contact report date.
Results:  10 alerts found for this water system.Hide response time

Water Quality Alerts
Alert ID	Sample Date	Alert Date	Source ID	Source Name	Alert Type	Contaminant	Result	Alert Level	MCL	Contact Report	Response Time (Days)
CHEM9414	08/09/2021	08/12/2021	DIST-A	DISTRIBUTION SYSTEM	CHEM	TOTAL TRIHALOMETHANES (TTHM)	0.0804	0.08	0.08	08/31/2021	19
CHEM6436	08/28/2014	09/22/2014	DIST-A	Distribution System	CHEM	TOTAL TRIHALOMETHANES (TTHM)	0.103	0.08	0.08
CHEM9553	11/09/2021	11/23/2021	DIST-A	DISTRIBUTION SYSTEM	CHEM	TOTAL HALOACETIC ACIDS (HAA5)	0.0702	0.06	0.06	12/01/2021	8
CHEM7791	11/20/2017	11/29/2017	DIST-A	DISTRIBUTION SYSTEM	CHEM	TOTAL HALOACETIC ACIDS (HAA5)	0.0626	0.06	0.06
CHEM7404	11/06/2016	11/21/2016	DIST-A	DISTRIBUTION SYSTEM	CHEM	TOTAL HALOACETIC ACIDS (HAA5)	0.0686	0.06	0.06
CHEM6444	08/28/2014	09/29/2014	EP-A	EP FOR SOUTH UMPQUA RIVER	CHEM	XYLENES	0.0032	0.0005	10
CHEM5566	09/11/2012	10/15/2012	EP-A	EP FOR SOUTH UMPQUA RIVER	CHEM	XYLENES	0.00052	0.0005	10	11/05/2012	21
CHEM5139	08/30/2011	11/14/2011	EP-A	EP FOR SOUTH UMPQUA RIVER	CHEM	XYLENES	0.0015	0.0005	10	11/14/2011	0
CHEM3176	08/25/2008	10/09/2008	EP-A	EP FOR SOUTH UMPQUA RIVER	CHEM	XYLENES	0.0018	0.0005	10
CHEM506	05/20/2003	09/10/2003	EP-A	EP FOR SOUTH UMPQUA RIVER	CHEM	XYLENES	0.0019	0.0005	10

Archived Alerts (SWS database)
Date	Source	Chemical	Results mg/l	MCL mg/l
09/20/2000	A--EP FOR SOUTH UMPQUA RIVER	Benzene	0.0075	0.005
09/20/2000	A--EP FOR SOUTH UMPQUA RIVER	Chloromethane	0.0074
09/20/2000	A--EP FOR SOUTH UMPQUA RIVER	Cis-1,2-Dichloroethylene	0.0058	0.07
05/04/1999		Coliform
09/20/2000	A--EP FOR SOUTH UMPQUA RIVER	Ethylbenzene	0.0007	0.7
09/20/2000	A--EP FOR SOUTH UMPQUA RIVER	Ethylbenzene	0.0636	0.7
09/20/2000	A--EP FOR SOUTH UMPQUA RIVER	Monochlorobenzene (Chlorobenzene)	0.0021	0.1
09/20/2000	A--EP FOR SOUTH UMPQUA RIVER	O-Chlorotoluene	0.0005
09/20/2000	A--EP FOR SOUTH UMPQUA RIVER	O-Chlorotoluene	0.0025
02/24/1998	A--EP FOR SOUTH UMPQUA RIVER	Sodium	34.5
09/20/2000	A--EP FOR SOUTH UMPQUA RIVER	Styrene	0.001	0.1
09/20/2000	A--EP FOR SOUTH UMPQUA RIVER	Styrene	0.0027	0.1
09/20/2000	A--EP FOR SOUTH UMPQUA RIVER	Total Xylenes	0.0021	10
09/20/2000	A--EP FOR SOUTH UMPQUA RIVER	Total Xylenes	0.16	10

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