OHA Drinking Water Services
PWS ID: 00898 ---- TIMBER WATER ASSOCIATION
Excel Spreadsheet

MCL = 0.010 mg/L; MCL exceedances are indicated with red text.
ND = Not detected at the minimum reporting level.
Arsenic Samples
Sample ID Sample
Date
Date
Received
Source Name Source
ID
Result
(mg/L)
Comments
22-010862-0001-I 09/12/2022 10/24/2022 EP FOR NEHALEM RIVER EP-AND
180095550001-I 10/24/2018 11/06/2018 EP FOR NEHALEM RIVER EP-AND
31003031-I 10/03/2013 10/25/2013 EP FOR NEHALEM RIVER EP-AND
20802211-I 08/02/2012 08/13/2012 EP FOR NEHALEM RIVER EP-AND
10811131-I 08/09/2011 09/06/2011 EP FOR NEHALEM RIVER EP-AND
1021012-I 07/29/2010 08/30/2010 EP FOR NEHALEM RIVER EP-AND
0915466-I 06/03/2009 06/25/2009 EP FOR NEHALEM RIVER EP-AND
A60925Q1 09/21/2006 10/03/2006 EP FOR NEHALEM RIVER EP-AND
A50104BM-1I 01/03/2005 04/26/2005 EP FOR NEHALEM RIVER EP-AND
 

Archived Arsenic Samples
Sample ID Sample
Date
Date
Received
Source Name Source
ID
Result
A10921AF*A 09/18/2001 11/26/2001 ENTRY POINT - WTP AND
991222CO*A 12/22/1999 01/10/2000 ENTRY POINT - WTP AND
981118DCAA 11/19/1998 01/15/1999 NEHALEM RIVER INFILTRATION GAL AA0.0006
9710-110-1 10/15/1997 11/24/1997 ENTRY POINT - WTP AND
9611-109-1 11/20/1996 01/02/1997 ENTRY POINT - WTP A0.0033
17922 09/23/1993 05/11/1994 NEHALEM RIVER INFILTRATION GAL AAND
-1937781 10/08/1992 03/17/1993 NEHALEM RIVER INFILTRATION GAL AND
-1937782 09/26/1991 11/07/1991 NEHALEM RIVER INFILTRATION GAL AND
-1937783 10/08/1990 01/23/1991 NEHALEM RIVER INFILTRATION GAL AND
-1937784 10/15/1989 12/20/1989 NEHALEM RIVER INFILTRATION GAL AND
-1937785 09/02/1988 01/25/1989 NEHALEM RIVER INFILTRATION GAL AND
-1937786 05/13/1987 06/15/1987 NEHALEM RIVER INFILTRATION GAL AND
-1937787 11/26/1985 11/26/1985 NEHALEM RIVER INFILTRATION GAL AND
 




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: 3996