OHA Drinking Water Services
OR41
PWS ID: 91908 ---- HIDDEN VALLEY HIGH
Water Quality Alerts

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Alert Date Range: From to
Alert Type
 Alert ID Sample Date Alert Date Contact
Report		 Response
Time (Days)		 Location Analyte
 Result
 Current
Alert Level		 Current
MCL		 Units Sample Type Lab Sample ID SelectAtype FilterAlertDate
VOC ARCHIVE 08/15/1991 09/17/1991 AC TRICHLOROETHYLENE 0.001 0.005 MG/L -1893600 Alert Chem VOC0 1991-09-17
VOC ARCHIVE 08/15/1991 09/17/1991 AC TETRACHLOROETHYLENE 0.005 0.005 MG/L -1893588 Alert Chem VOC0 1991-09-17
VOC ARCHIVE 03/04/1992 04/09/1992 AC TETRACHLOROETHYLENE 0.0022 0.005 MG/L -1893587 Alert Chem VOC0 1992-04-09
VOC ARCHIVE 06/02/1992 07/14/1992 AC 1,1,1-TRICHLOROETHANE 0.0016 0.2 MG/L -1893609 Alert Chem VOC0 1992-07-14
TCR COLI8570 11/02/2010 11/04/2010 11/04/2010 0 DIST-A COLIFORM (TCR) Present Present Routine 21004421AA Alert TCR0 2010-11-04
Notice - Source COLI8583 11/04/2010 11/05/2010 11/05/2010 0 SRC-AA COLIFORM (TCR) Present Present Triggered 21004463AD Notice Source 2010-11-05
TCR COLI17620 01/22/2018 01/23/2018 DIST-A COLIFORM (TCR) Present Present Routine 180174501A Alert TCR0 2018-01-23
VOC CHEM8341 04/24/2019 05/28/2019 05/28/2019 0 EP-A TRICHLOROETHYLENE 0.00101 0.005 MG/L 1904103201-V Alert Chem VOC0 2019-05-28
VOC CHEM8341 04/24/2019 05/28/2019 05/28/2019 0 EP-A TETRACHLOROETHYLENE 0.0011 0.005 MG/L 1904103201-V Alert Chem VOC0 2019-05-28
TCR TCR-2874 10/01/2024 10/02/2024 10/02/2024 0 DIST-A COLIFORM (TCR) Present Present Routine 24100038-01 Alert TCR0 2024-10-02


More information for this water system: SDWIS ID 1088
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