OHA Drinking Water Services
PWS ID: 01475 ---- OREGON WATER UTILITIES - MOUNTAIN LAKES
Excel Spreadsheet

MCL = 10 mg/L; MCL exceedances are indicated with red text.
ND = Not detected at the minimum reporting level.
Nitrate Samples
Sample ID Sample
Date
Date
Received
Analyte Name Source Name Source
ID
Result
(mg/L)
Comments
22110143-01-I 11/01/2022 11/18/2022 NITRATE EP FOR WELL #3 EP-CND
N21421-I 10/21/2021 11/02/2021 NITRATE EP FOR WELL #3 EP-C0.065
N20319-I 08/28/2020 09/08/2020 NITRATE EP FOR WELL #3 EP-C0.27
1906098601-I 06/24/2019 07/29/2019 NITRATE EP FOR WELL #3 EP-CND
181008701B-I 10/01/2018 01/31/2019 NITRATE EP FOR WELL #1 EP-A4.1
N18382-I 09/17/2018 09/19/2018 NITRATE EP FOR WELL #3 EP-C0.113
N17412-I 09/11/2017 09/19/2017 NITRATE EP FOR WELL #3 EP-CND
1609B6201B-I 09/27/2016 10/11/2016 NITRATE EP FOR WELL #3 EP-CND
N15262-I 07/06/2015 07/13/2015 NITRATE EP FOR WELL #3 EP-CND
N14098-I 05/05/2014 05/09/2014 NITRATE EP FOR WELL #3 EP-CND
131133101A-I 11/12/2013 11/27/2013 NITRATE EP FOR WELL #3 EP-CND
N12345-I 10/15/2012 10/22/2012 NITRATE EP FOR WELL #3 EP-C0.106
N11027-I 07/13/2011 07/18/2011 NITRATE EP FOR WELL #3 EP-C0.417
1008617-I 08/18/2010 09/08/2010 NITRATE EP FOR WELL #3 EP-CND
090743106A-I 07/15/2009 08/05/2009 NITRATE EP FOR WELL #3 EP-CND
081059501A-I 10/28/2008 11/21/2008 NITRATE EP FOR WELL #3 EP-CND
071073601A 10/29/2007 12/24/2007 NITRATE EP FOR WELL #3 EP-CND
070807201A 08/02/2007 09/06/2007 NITRATE EP FOR WELL #3 EP-C0.205
0607277-01A 07/12/2006 08/03/2006 NITRATE EP FOR WELL #1 EP-A3.21
0607278-01A 07/12/2006 08/03/2006 NITRATE EP FOR WELL #3 EP-C0.65
0508493-01A 08/15/2005 08/29/2005 NITRATE EP FOR WELL #1 EP-A1.26
0508493-02A 08/15/2005 08/29/2005 NITRATE EP FOR WELL #3 EP-CND
050251301A 02/24/2005 04/11/2005 NITRATE EP FOR WELL #3 EP-CND
0311194-01A 11/07/2003 02/09/2004 NITRATE EP FOR WELL #1 EP-A2.47
0311194-02A 11/07/2003 02/09/2004 NITRATE EP FOR WELL #2 EP-BND
0311194-03A 11/07/2003 02/09/2004 NITRATE EP FOR WELL #3 EP-CND
0212323-03A 12/16/2002 12/30/2002 NITRATE EP FOR WELL #1 EP-A2.03
0207615-01A 07/29/2002 09/03/2002 NITRATE EP FOR WELL #2 EP-B1.64
 

Archived Nitrate Samples
Sample ID Sample
Date
Date
Received
Analyte Name Source Name Source
ID
Result
106217 06/18/2001 12/17/2001 Nitrate EP FOR WELL #1 A1.26
11277 05/17/2001 07/09/2001 Nitrate WELL #1 AA2.43
11091 05/01/2001 07/09/2001 Nitrate WELL #1 AA1.16
10783 03/30/2001 05/10/2001 Nitrate WELL #1 AA1.6
10647 03/14/2001 04/11/2001 Nitrate WELL #1 AA3.34
10496 03/02/2001 04/11/2001 Nitrate WELL #1 AA3.19
10409 02/16/2001 03/14/2001 Nitrate WELL #1 AA3.22
10287 02/01/2001 03/14/2001 Nitrate WELL #1 AA0.49
10206 01/23/2001 02/05/2001 Nitrate WELL #1 AA2.89
10180 01/18/2001 02/05/2001 Nitrate WELL #1 AA2.63
10115 01/10/2001 02/05/2001 Nitrate WELL #1 AA1.09
10041 01/03/2001 02/05/2001 Nitrate WELL #1 AA1.06
10042 01/03/2001 02/05/2001 Nitrate WELL #2 BA0.5
203335 12/14/2000 02/07/2001 Nitrate WELL #1 AA1.97
203336 12/14/2000 02/07/2001 Nitrate WELL #2 BA0.73
001219701A 12/11/2000 01/11/2001 Nitrate WELL #1 AA3.27
001219702A 12/11/2000 01/11/2001 Nitrate WELL #2 BA2.58
B001815N 12/01/2000 12/08/2000 Nitrate WELL #1 AA4.1
B001816N 12/01/2000 12/08/2000 Nitrate WELL #2 BA3.8
203169 11/29/2000 02/07/2001 Nitrate WELL #1 AA2.24
B001768N 11/20/2000 12/08/2000 Nitrate WELL #1 AA3.6
B001766N 11/20/2000 12/15/2000 Nitrate WELL #2 BA3.1
B001743N 11/13/2000 12/08/2000 Nitrate WELL #1 AA3.1
B001734N 11/08/2000 12/08/2000 Nitrate WELL #1 AA3.3
B001716N 11/01/2000 11/06/2000 Nitrate WELL #1 AA2.7
B001656N 10/23/2000 11/06/2000 Nitrate WELL #1 AA2.8
B001456N 09/26/2000 10/05/2000 Nitrate WELL #1 AA3.9
B001306N 08/28/2000 09/11/2000 Nitrate WELL #1 AA1.5
B001178N 08/14/2000 09/11/2000 Nitrate WELL #1 AA2.5
201938 07/31/2000 09/11/2000 Nitrate WELL #1 AA2.32
201929 07/27/2000 09/11/2000 Nitrate WELL #1 AA2.02
201928 07/24/2000 09/11/2000 Nitrate WELL #1 AA1.59
992816 12/01/1999 12/16/1999 Nitrate WELL #1 AA1.8
992580 10/22/1999 02/22/2000 Nitrate WELL #2 BA4
992424 10/06/1999 12/02/1999 Nitrate WELL #1 AA4
991821 08/02/1999 12/02/1999 Nitrate WELL #1 AA1.6
991639 07/07/1999 12/02/1999 Nitrate WELL #1 AAND
991463 06/23/1999 12/02/1999 Nitrate WELL #1 AA2.6
991165 05/21/1999 12/02/1999 Nitrate WELL #1 AA3.2
992784 03/22/1999 12/21/2000 Nitrate WELL #2 BA3.6
982735 11/16/1998 11/27/1998 Nitrate WELL #1 AA7.5
982283 09/28/1998 10/09/1998 Nitrate WELL #1 AA2.04
981345 06/17/1998 06/25/1998 Nitrate WELL #1 AA3.74
98323 02/25/1998 03/09/1998 Nitrate WELL #1 AA8.66
 




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: 4308