94980 Alerts | Data Online | Oregon Drinking Water Services

OHA Drinking Water Services

PWS ID: 94980 ---- OASIS ON THE SNAKE

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, COLI = Coliform, SOURCE = Coliform source sample*
*Non-alert (water quality notice)
**Response Time** is the number of days from the alert date to the contact report date.
**Results:** 70 alerts found for this water system.Hide response time
Alert ID	Sample Date	Alert Date	Source ID	Source Name	Alert Type	Contaminant	Result	Alert Level	MCL	Contact Report	Response Time (Days)
Water Quality Alerts
CHEM9722	04/13/2022	05/02/2022	EP-A	EP for WELL	CHEM	NITRATE (AS N)	6.12	5	10
CHEM9671	02/16/2022	03/04/2022	EP-A	EP for WELL	CHEM	NITRATE (AS N)	8.42	5	10	03/04/2022	0
COLI21978	03/02/2022	03/04/2022	DIST-A	sink	COLI	COLIFORM, TOTAL (TCR)	Present	Present	Present	03/07/2022	3
COLI21955	02/16/2022	02/18/2022	DIST-A	Sink	COLI	COLIFORM, TOTAL (TCR)	Present	Present	Present	02/18/2022	0
COLI21917	01/26/2022	01/28/2022	DIST-A	Sink	COLI	COLIFORM, TOTAL (TCR)	Present	Present	Present	01/31/2022	3
COLI21917	01/26/2022	01/28/2022	DIST-A	Sink	COLI	COLIFORM, TOTAL (TCR)	Present	Present	Present	01/31/2022	3
COLI21917	01/26/2022	01/28/2022	DIST-A	Sink	COLI	COLIFORM, TOTAL (TCR)	Present	Present	Present	01/31/2022	3
COLI21917	01/26/2022	01/28/2022	SRC-AA	Well #1	SOURCE*	COLIFORM, TOTAL (TCR)	Present	Present	Present	01/31/2022	3
COLI21895	01/19/2022	01/21/2022	DIST-A	Sink	COLI	COLIFORM, TOTAL (TCR)	Present	Present	Present	01/25/2022	4
COLI21895	01/19/2022	01/21/2022	SRC-AA	Well #1	SOURCE*	COLIFORM, TOTAL (TCR)	Present	Present	Present	01/25/2022	4
COLI21818	12/22/2021	12/27/2021	DIST-A	sink	COLI	COLIFORM, TOTAL (TCR)	Present	Present	Present
COLI21818	12/22/2021	12/27/2021	DIST-A	sink	COLI	COLIFORM, TOTAL (TCR)	Present	Present	Present
COLI21818	12/22/2021	12/27/2021	DIST-A	sink	COLI	COLIFORM, TOTAL (TCR)	Present	Present	Present
COLI21818	12/22/2021	12/27/2021	SRC-AA	Well #1	SOURCE*	COLIFORM, TOTAL (TCR)	Present	Present	Present
COLI21788	12/15/2021	12/17/2021	DIST-A	Bathroom Sink	COLI	COLIFORM, TOTAL (TCR)	Present	Present	Present	12/21/2021	4
COLI21327	08/25/2021	08/27/2021	DIST-A	Bathroom Sink	COLI	COLIFORM, TOTAL (TCR)	Present	Present	Present
COLI21327	08/25/2021	08/27/2021	DIST-A	Bathroom Sink	COLI	COLIFORM, TOTAL (TCR)	Present	Present	Present
COLI21327	08/25/2021	08/27/2021	SRC-AA	Well #1	SOURCE*	COLIFORM, TOTAL (TCR)	Present	Present	Present
COLI21285	08/11/2021	08/13/2021	DIST-A	Kitchen sink	COLI	COLIFORM, TOTAL (TCR)	Present	Present	Present	08/16/2021	3
CHEM9399	07/07/2021	07/23/2021	EP-A	EP for WELL	CHEM	NITRATE (AS N)	8.17	5	10	07/23/2021	0
COLI21068	06/24/2021	06/28/2021	DIST-A	6170 Hwy 201 sink	COLI	COLIFORM, TOTAL (TCR)	Present	Present	Present
COLI21068	06/24/2021	06/28/2021	SRC-AA	Well #1	SOURCE*	COLIFORM, TOTAL (TCR)	Present	Present	Present
COLI21015	06/10/2021	06/14/2021	DIST-A	Bathroom sink	COLI	COLIFORM, TOTAL (TCR)	Present	Present	Present
CHEM9330	05/12/2021	05/20/2021	EP-A	EP for WELL	CHEM	NITRATE (AS N)	7.85	5	10
CHEM9124	10/07/2020	10/26/2020	EP-A	EP for WELL	CHEM	NITRATE (AS N)	6.97	5	10
COLI20007	07/01/2020	07/06/2020	DIST-A	space #10	COLI	COLIFORM, TOTAL (TCR)	Present	Present	Present
COLI20007	07/01/2020	07/06/2020	DIST-A	space #5	COLI	COLIFORM, TOTAL (TCR)	Present	Present	Present
COLI20007	07/01/2020	07/06/2020	DIST-A	space #7	COLI	COLIFORM, TOTAL (TCR)	Present	Present	Present
COLI20007	07/01/2020	07/06/2020	SRC-AA	well	SOURCE*	COLIFORM, TOTAL (TCR)	Present	Present	Present
COLI19895	06/03/2020	06/04/2020	DIST-A	space #7	COLI	COLIFORM, TOTAL (TCR)	Present	Present	Present
CHEM8411	07/03/2019	07/19/2019	EP-A	EP for WELL	CHEM	NITRATE (AS N)	6.56	5	10	07/19/2019	0
COLI18562	12/19/2018	12/21/2018	DIST-A	Well #1 Site 7	COLI	COLIFORM, TOTAL (TCR)	Present	Present	Present	12/24/2018	3
COLI18413	11/07/2018	11/13/2018	DIST-A	space #5	COLI	COLIFORM, TOTAL (TCR)	Present	Present	Present	11/14/2018	1
CHEM8123	10/10/2018	10/19/2018	EP-A	EP for WELL	CHEM	NITRATE (AS N)	5.57	5	10	10/19/2018	0
CHEM8039	07/18/2018	08/16/2018	EP-A	EP for WELL	CHEM	NITRATE (AS N)	5.98	5	10	08/20/2018	4
COLI18033	07/25/2018	07/30/2018	DIST-A	Bathroom	COLI	COLIFORM, TOTAL (TCR)	Present	Present	Present
COLI18029	07/25/2018	07/27/2018	DIST-A	Space #11	COLI	COLIFORM, TOTAL (TCR)	Present	Present	Present
COLI18000	07/18/2018	07/20/2018	DIST-A	well	COLI	COLIFORM, TOTAL (TCR)	Present	Present	Present	07/20/2018	0
CHEM7916	04/04/2018	04/17/2018	EP-A	EP for WELL	CHEM	NITRATE (AS N)	6.08	5	10	04/19/2018	2
CHEM7660	08/02/2017	08/14/2017	EP-A	EP for WELL	CHEM	NITRATE (AS N)	6.47	5	10
CHEM7378	10/19/2016	11/01/2016	EP-A	EP for WELL	CHEM	NITRATE (AS N)	6.49	5	10
CHEM7116	04/13/2016	04/22/2016	EP-A	EP for WELL	CHEM	NITRATE (AS N)	6.55	5	10	04/25/2016	3
CHEM6936	10/21/2015	11/02/2015	EP-A	EP for WELL	CHEM	NITRATE (AS N)	7.15	5	10
CHEM6814	07/15/2015	07/29/2015	EP-A	EP for WELL	CHEM	NITRATE (AS N)	6.16	5	10
CHEM6760	06/17/2015	07/15/2015	EP-A	EP for WELL	CHEM	NITRATE (AS N)	5.19	5	10
COLI13131	07/30/2014	08/11/2014	DIST-A	sink in house	COLI	COLIFORM, TOTAL (TCR)	Present	Present	Present
COLI13131	07/30/2014	08/11/2014	SRC-AA	well	SOURCE*	COLIFORM, TOTAL (TCR)	Present	Present	Present
CHEM6377	07/09/2014	07/25/2014	EP-A	EP for WELL	CHEM	NITRATE (AS N)	6.43	5	10	07/25/2014	0
COLI13055	07/16/2014	07/21/2014	DIST-A	well	COLI	COLIFORM, TOTAL (TCR)	Present	Present	Present	07/22/2014	1
COLI13055	07/16/2014	07/21/2014	DIST-A	well	COLI	COLIFORM, TOTAL (TCR)	Present	Present	Present	07/22/2014	1
COLI13055	07/16/2014	07/21/2014	DIST-A	well	COLI	COLIFORM, TOTAL (TCR)	Present	Present	Present	07/22/2014	1
COLI13012	07/09/2014	07/14/2014	DIST-A	well	COLI	COLIFORM, TOTAL (TCR)	Present	Present	Present	07/11/2014	-3
CHEM6002	10/02/2013	10/10/2013	EP-A	EP for WELL	CHEM	NITRATE (AS N)	7.69	5	10
CHEM5863	07/10/2013	07/23/2013	EP-A	EP for WELL	CHEM	NITRATE (AS N)	8.46	5	10
CHEM5765	04/17/2013	05/03/2013	EP-A	EP for WELL	CHEM	NITRATE (AS N)	9.12	5	10
CHEM5577	10/24/2012	10/25/2012	EP-A	EP for WELL	CHEM	NITRATE (AS N)	11.2	5	10	10/26/2012	1
CHEM5136	10/26/2011	11/09/2011	EP-A	EP for WELL	CHEM	NITRATE (AS N)	9.65	5	10
CHEM4655	12/15/2010	01/05/2011	EP-A	EP for WELL	CHEM	NITRATE (AS N)	9.53	5	10	01/07/2011	2
CHEM3874	11/04/2009	12/23/2009	EP-A	EP for WELL	CHEM	NITRATE (AS N)	9.29	5	10	12/29/2009	6
COLI7046	11/04/2009	11/06/2009	DIST-A	Distribution System	COLI	COLIFORM, TOTAL (TCR)	Present	Present	Present	11/09/2009	3
CHEM3310	11/05/2008	01/13/2009	EP-A	EP for WELL	CHEM	NITRATE (AS N)	5.59	5	10	01/15/2009	2
COLI4684	10/10/2007	10/12/2007	DIST-A	Distribution System	COLI	COLIFORM, TOTAL (TCR)	Present	Present	Present	10/16/2007	4
COLI4574	09/26/2007	09/27/2007	DIST-A	Distribution System	COLI	COLIFORM, TOTAL (TCR)	Present	Present	Present	10/02/2007	5
CHEM1859	10/05/2005	12/19/2005	EP-A	EP for WELL	CHEM	NITRATE (AS N)	7.57	5	10
COLI2472	09/28/2005	10/03/2005	DIST-A	Distribution System	COLI	COLIFORM, TOTAL (TCR)	Present	Present	Present
COLI291	06/11/2003	06/16/2003	DIST-A	Distribution System	COLI	COLIFORM, E. COLI	Present	Present	Present
COLI291	06/11/2003	06/16/2003	DIST-A	Distribution System	COLI	COLIFORM, TOTAL (TCR)	Present	Present	Present
CHEM252	12/02/2002	12/31/2002	EP-A	EP for WELL	CHEM	NITRATE (AS N)	6.77	5	10
CHEM52	05/01/2002	08/07/2002	EP-A	EP for WELL	CHEM	NITRATE (AS N)	8.44	5	10
CHEM27	05/01/2002	07/10/2002	SRC-AA	WELL	CHEM	NITRATE (AS N)	8.44	5	10

*Non-alert (water quality notice)

Date	Source	Chemical	Results mg/l	MCL mg/l
Archived Alerts (SWS database)
12/16/2002		Coliform
11/06/2002		Coliform
07/17/2001		Coliform
10/09/1997		Coliform
09/29/1997		Coliform
09/27/1997		Coliform
09/15/1997		Coliform

For further information on this public water system, click on the area of interest below:
System Info :: Report for Lenders :: Alerts :: Violations :: Compliance & Enforcement :: Contacts & Advisories :: Site Visits :: Public Notice
Coliform Summary :: Coliform Results :: Sampling Schedule for Coliform :: Groundwater/GWUDI Source Details :: Plan Review :: Annual Fee
Chemical Group Summary :: Latest Chemical Results :: Entry Point Detects :: Single Analyte Results
Chemical Schedule Summary :: Chemical Schedule Details
Lead & Copper :: Corrosion Control (LCR) :: Nitrate :: Arsenic :: Radionuclides :: GWR 4-Log :: LT2 :: Cyanotoxins :: PFAS
DBPs :: TOC & Alkalinity :: DBP Sample Sites :: FANLs :: MRDL :: Turbidity :: SWTR :: RAA :: LRAA For SDWIS: 4251

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