OHA Drinking Water Services
PWS ID: 94200 ---- COE DALLES/JD-THE DALLES DAM
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 |
|---|---|---|---|---|---|---|
| 22100857-01A-I | 10/18/2022 | 11/03/2022 | EP for WELL #3 (IN OREGON) | EP-C | ND | |
| 2201041801-I | 01/11/2022 | 01/27/2022 | EP FOR WELL #1 (IN WASHINGTON STATE) | EP-A | ND | |
| 1608D5201B-I | 08/25/2016 | 09/19/2016 | EP FOR WELL #1 (IN WASHINGTON STATE) | EP-A | 0.0011 | |
| 160783701B-I | 07/19/2016 | 08/03/2016 | EP for WELL #3 (IN OREGON) | EP-C | ND | |
| 110967501B-I | 09/22/2011 | 10/14/2011 | EP for WELL #3 (IN OREGON) | EP-C | ND | |
| 100836501A-I | 08/09/2010 | 09/08/2010 | EP for WELL #3 (IN OREGON) | EP-C | ND | |
| 080944502A-I | 09/16/2008 | 10/08/2008 | EP for WELL #3 (IN OREGON) | EP-C | 0.00102 | |
| A70620AE1 | 06/20/2007 | 07/17/2007 | EP for WELL #3 (IN OREGON) | EP-C | ND | |
| 0512363I | 12/15/2005 | 01/09/2006 | EP FOR WELL #1 (IN WASHINGTON STATE) | EP-A | ND | |
| A41027L-1I | 10/27/2004 | 09/16/2005 | EP for WELL #3 (IN OREGON) | EP-C | ND | |
| Archived Arsenic Samples | ||||||
| Sample ID | Sample Date |
Date Received |
Source Name | Source ID |
Result | |
|---|---|---|---|---|---|---|
| 1122822 | 12/27/2001 | 01/31/2002 | WELL #3 (IN OREGON) | CA | ND | |
| 81230-13 | 12/29/1998 | 02/18/1999 | WELL #3 (IN OREGON) | CA | ND | |
| 3801-3 | 12/29/1994 | 02/02/1995 | WELL #1 (IN WASHINGTON STATE) | AA | 0.0083 | |
| 3801-2 | 12/29/1994 | 02/02/1995 | WELL #3 (IN OREGON) | CA | 0.0084 | |
| -1877775 | 06/19/1986 | 06/19/1986 | WELL #1 (IN WASHINGTON STATE) | A | ND | |
| -1877776 | 06/18/1986 | 05/19/1987 | WELL #1 (IN WASHINGTON STATE) | A | ND | |