OHA Drinking Water Services
PWS ID: 00922 ---- VERNONIA, CITY OF
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
2312009-04-I 11/08/2022 11/21/2022 NITRATE EP FOR ROCK CREEK EP-A0.626
2312009-03-I 11/08/2022 11/21/2022 NITRATE EP FOR ROCK CREEK EP-A0.661
135500801-I 12/21/2021 01/10/2022 NITRATE EP FOR ROCK CREEK EP-A0.468
032201501-I 11/17/2020 11/23/2020 NITRATE EP FOR ROCK CREEK EP-A0.763
930901401-I 11/05/2019 11/26/2019 NITRATE EP FOR ROCK CREEK EP-AND
834602301-I 12/12/2018 01/08/2019 NITRATE EP FOR ROCK CREEK EP-A0.379
733901001-I 12/05/2017 01/10/2018 NITRATE EP FOR ROCK CREEK EP-A0.375
632100502-I 11/16/2016 12/07/2016 NITRATE EP FOR ROCK CREEK EP-A0.351
534900601-I 12/15/2015 01/11/2016 NITRATE EP FOR ROCK CREEK EP-A0.475
422400604-I 08/12/2014 09/08/2014 NITRATE EP FOR ROCK CREEK EP-AND
333801001-I 12/04/2013 01/06/2014 NITRATE EP FOR ROCK CREEK EP-A0.554
231001103-I 11/05/2012 12/04/2012 NITRATE EP FOR ROCK CREEK EP-A1.6
131200603-I 11/08/2011 12/07/2011 NITRATE EP FOR ROCK CREEK EP-AND
1022908-I 08/17/2010 09/07/2010 NITRATE EP FOR ROCK CREEK EP-AND
0924301-I 08/31/2009 10/02/2009 NITRATE EP FOR ROCK CREEK EP-A0.6
0719805-I 07/17/2007 08/22/2007 NITRATE EP FOR ROCK CREEK EP-AND
05075/02 03/16/2005 04/08/2005 NITRATE EP FOR ROCK CREEK EP-AND
04161/04-I 06/08/2004 07/12/2004 NITRATE EP FOR ROCK CREEK EP-AND
02226/27I 08/14/2002 10/07/2002 NITRATE EP FOR ROCK CREEK EP-AND
 

Archived Nitrate Samples
Sample ID Sample
Date		 Date
Received		 Analyte Name Source Name Source
ID		 Result
318345 10/05/2001 11/07/2001 Nitrate ENTRY POINT - WTP AND
318346 10/05/2001 11/07/2001 Nitrate ENTRY POINT - WTP AND
314/14 11/10/1999 01/18/2000 Nitrate ENTRY POINT - WTP AND
314/14 11/10/1999 01/31/2000 Nitrate ENTRY POINT - WTP AND
287/20 10/14/1998 11/18/1998 Nitrate ENTRY POINT - WTP AND
9710-111-1 10/15/1997 12/24/1997 Nitrate ENTRY POINT - WTP A0.24
9611-108-1 11/20/1996 01/29/1997 Nitrate ENTRY POINT - WTP A0.61
N0958 06/12/1996 06/26/1996 Nitrate ENTRY POINT - WTP AND
25591 12/19/1995 01/03/1996 Nitrate ROCK CREEK AA0.4
25416 11/29/1995 12/27/1995 Nitrate ROCK CREEK AA0.86
24221 07/10/1995 10/06/1995 Nitrate ROCK CREEK AA1.2
23796 05/24/1995 07/24/1995 Nitrate ROCK CREEK AA0.28
17976 09/28/1993 04/18/1994 Nitrate ENTRY POINT - WTP A0.56
-1935715 08/17/1992 09/25/1992 Nitrate ROCK CREEK AND
-1935716 06/11/1991 07/03/1991 Nitrate ROCK CREEK AND
-1935717 07/19/1990 01/23/1991 Nitrate ROCK CREEK A0.07
-1935718 05/26/1989 07/10/1989 Nitrate ROCK CREEK A0.4
-1935719 06/17/1988 06/29/1988 Nitrate ROCK CREEK AND
-1935720 06/25/1987 08/17/1987 Nitrate ROCK CREEK AND
-1935721 07/15/1986 07/15/1986 Nitrate ROCK CREEK A0.22
 



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: 3998
Information by county:
Inventory :: Surface Water Systems :: Water System Surveys :: Outstanding Performers :: Plan Reviews :: System Scores :: Exceedances
Alerts :: Violations :: Compliance & Enforcement :: Significant Deficiencies :: Cross Connection ASRs :: Treatment Plant Inspections :: Fluoride
Water Advisories :: Contact Reports :: Cyanotoxins :: PFAS :: Post-wildfire VOCs :: Public Notices
Inventory List for all Oregon Drinking Water Systems in Excel or printable screen format
Lab Help: Tools for Laboratories :: Staff/Partner Login
Introduction :: Data Search Options :: Water System Search :: DWS Home