OHA Drinking Water Services
PWS ID: 01097 ---- LAKEWOOD UTILITIES
Alerts indicate water quality tests with analytical results greater than the detection limit or one-half of the maximum allowable contaminant level which may require some follow-up actions by Drinking Water Services. See the Contacts link for reports on follow-up actions. Alerts are not water quality violations. Violations for this water system can be found here.
| Water Quality Alerts | |||||||||||
| Alert ID | Sample Date |
Alert Date |
Source ID |
Source Name | Alert Type |
Contaminant | Result | Alert Level |
MCL | Contact Report | |
|---|---|---|---|---|---|---|---|---|---|---|---|
| COLI21363 | 09/08/2021 | 09/09/2021 | DIST-A | 19627 Aspen hb | COLI | COLIFORM, TOTAL (TCR) | Present | Present | Present | 09/09/2021 | |
| COLI20155 | 08/12/2020 | 08/13/2020 | DIST-A | 13410 Diamond Lake Hose bib | COLI | COLIFORM, TOTAL (TCR) | Present | Present | Present | 08/13/2020 | |
| CHEM8697 | 10/09/2019 | 11/20/2019 | EP-A | EP FOR WELL | CHEM | TETRACHLOROETHYLENE | 0.0006 | 0.0005 | 0.005 | 11/20/2019 | |
| COLI17991 | 07/18/2018 | 07/19/2018 | DIST-A | 13410 Diamond Lk Ct HB | COLI | COLIFORM, TOTAL (TCR) | Present | Present | Present | 07/19/2018 | |
| COLI9984 | 12/06/2011 | 12/08/2011 | DIST-A | 13410 Diamond Lk hb | COLI | COLIFORM, TOTAL (TCR) | Present | Present | Present | 12/08/2011 | |
| CHEM5014 | 08/04/2011 | 08/31/2011 | EP-A | EP FOR MAIN WELL | CHEM | NITRATE (AS N) | 5 | 5 | 10 | 09/01/2011 | |
| CHEM4498 | 08/31/2010 | 10/28/2010 | EP-A | EP FOR MAIN WELL | CHEM | NITRATE+NITRITE (AS N) | 5.6 | 5 | 10 | ||
| CHEM4488 | 08/31/2010 | 10/27/2010 | EP-A | EP FOR MAIN WELL | CHEM | NITRATE (AS N) | 5.6 | 5 | 10 | 10/27/2010 | |
| 09/02/2008 | 10/02/2009 | EP-A | EP FOR MAIN WELL | CHEM | NITRATE (AS N) | 5 | 5 | 10 | |||
| CHEM1351 | 03/11/1998 | 03/21/2005 | LCR | LEAD 90TH % VALUE | 0.016 | 0.0155 | |||||
| Archived Alerts (SWS database) | |||||
| Date | Source | Chemical | Results mg/l | MCL mg/l | |
|---|---|---|---|---|---|
| 05/31/1991 | A--EP FOR MAIN WELL (WELL #1) | 1,1,1-Trichloroethane | 0.1169 | 0.2 | |
| 05/31/1991 | B--EP FOR EMERGENCY WELL (WELL #2) | 1,1,1-Trichloroethane | 0.0286 | 0.2 | |
| 02/06/1991 | A--EP FOR MAIN WELL (WELL #1) | 1,1,1-Trichloroethane | 0.02 | 0.2 | |
| 02/06/1991 | B--EP FOR EMERGENCY WELL (WELL #2) | 1,1,1-Trichloroethane | 0.06 | 0.2 | |
| 05/31/1991 | A--EP FOR MAIN WELL (WELL #1) | 1,1-Dichloroethylene | 0.0352 | 0.007 | |
| 05/31/1991 | B--EP FOR EMERGENCY WELL (WELL #2) | 1,1-Dichloroethylene | 0.0059 | 0.007 | |
| 02/06/1991 | A--EP FOR MAIN WELL (WELL #1) | 1,1-Dichloroethylene | 0.0054 | 0.007 | |
| 02/06/1991 | B--EP FOR EMERGENCY WELL (WELL #2) | 1,1-Dichloroethylene | 0.015 | 0.007 | |
| 07/03/2001 | Coliform | ||||
| 08/06/1997 | Coliform | ||||
| 09/04/2001 | A--EP FOR MAIN WELL (WELL #1) | Nitrate | 5.6 | 10 | |
| 06/12/2001 | A--EP FOR MAIN WELL (WELL #1) | Nitrate | 6.6 | 10 | |
| 12/05/2000 | A--EP FOR MAIN WELL (WELL #1) | Nitrate | 5 | 10 | |
| 09/07/2000 | A--EP FOR MAIN WELL (WELL #1) | Nitrate | 5.7 | 10 | |
| 02/24/2000 | A--EP FOR MAIN WELL (WELL #1) | Nitrate | 5.2 | 10 | |
| 11/23/1999 | A--EP FOR MAIN WELL (WELL #1) | Nitrate | 5.1 | 10 | |
| 09/30/1999 | A--EP FOR MAIN WELL (WELL #1) | Nitrate | 5.4 | 10 | |