OHA Drinking Water Services
PWS ID: 94713 ---- COLUMBIA RIDGE LANDFILL/RECYCL
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 |
|---|---|---|---|---|---|---|
| 204071401-I | 04/06/2022 | 05/06/2022 | EP FOR WELLFIELD (WELLS #1, #2, #6) | EP-A | 0.0066 | |
| 180619B4-I | 06/18/2018 | 07/09/2018 | EP FOR WELLFIELD (WELLS #1, #2, #6) | EP-A | 0.009 | |
| 250138691-I | 08/29/2013 | 10/21/2013 | EP FOR WELLFIELD (WELLS #1, #2, #6) | EP-A | 0.007 | |
| PTH052505-I | 08/15/2010 | 09/13/2010 | EP FOR WELLFIELD (WELLS #1, #2, #6) | EP-A | 0.00302 | |
| A71107P1-I | 11/06/2007 | 01/10/2008 | EP FOR WELLFIELD (WELLS #1, #2, #6) | EP-A | 0.0071 | |
| A40914P-1I | 09/13/2004 | 10/27/2004 | EP FOR WELLFIELD (WELLS #1, #2, #6) | EP-A | 0.0072 | |
| Archived Arsenic Samples | ||||||
| Sample ID | Sample Date |
Date Received |
Source Name | Source ID |
Result | |
|---|---|---|---|---|---|---|
| A10808W*A | 08/07/2001 | 09/10/2001 | WELLFIELD (WELLS #1 & #2) | A | 0.0074 | |
| 980917Q*A | 09/16/1998 | 10/14/1998 | WELLFIELD (WELLS #1 & #2) | A | 0.0072 | |
| 950706GAA | 07/05/1995 | 09/19/1995 | WELL 1 | AA | ND | |
| 950706G*A | 07/05/1995 | 09/19/1995 | WELL #2 | AB | ND | |