OHA Drinking Water Services
PWS ID: 00985 ---- HILLSBORO-CHERRY GROVE
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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|
| COLI18278 | 10/02/2018 | 10/04/2018 | DIST-A | 44979 SW Saddleback Rd. | COLI | COLIFORM, TOTAL (TCR) | Present | Present | Present | 10/03/2018 | |
| COLI9429 | 07/25/2011 | 07/27/2011 | DIST-A | #4 scoggins dam | COLI | COLIFORM, TOTAL (TCR) | Present | Present | Present | 07/27/2011 | |
| COLI8948 | 01/31/2011 | 02/02/2011 | DIST-A | Patton Valley CV | COLI | COLIFORM, TOTAL (TCR) | Present | Present | Present | 02/02/2011 | |
| COLI7439 | 03/16/2010 | 03/18/2010 | DIST-A | scoggins dam ss #4 | COLI | COLIFORM, TOTAL (TCR) | Present | Present | Present | 03/23/2010 | |
| CHEM1339 | 11/13/1996 | 03/21/2005 | LCR | LEAD 90TH % VALUE | 0.017 | 0.0155 | |||||
| Archived Alerts (SWS database) | |||||
| Date | Source | Chemical | Results mg/l | MCL mg/l | |
|---|---|---|---|---|---|
| 09/29/1993 | A--EP FOR WTP | Chloromethane | 0.0024 | ||
| 11/16/1999 | Coliform | ||||