OHA Drinking Water Services
OR41
PWS ID: 95537 ---- US SILICA
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
ARS CHEM6940 10/28/2015 11/10/2015 11/10/2015 0 EP-A ARSENIC 0.03146 0.01 MG/L 1542421-I Alert Chem CMCL ARS0 2015-11-10
Notice - Sodium CHEM6987 10/28/2015 12/15/2015 EP-A SODIUM 190 20 MG/L 15424211-I Notice Sodium 2015-12-15
ARS CHEM7051 01/29/2016 02/12/2016 EP-A ARSENIC 0.0121 0.01 MG/L 1562981-I Alert Chem CMCL ARS0 2016-02-12
ARS CHEM7051 01/29/2016 02/12/2016 EP-A ARSENIC 0.01307 0.01 MG/L 1562991-I Alert Chem CMCL ARS0 2016-02-12
TCR COLI15593 06/13/2016 06/15/2016 DIST-A COLIFORM (TCR) Present Present Routine 3011432281 Alert TCR0 2016-06-15
TCR COLI15593 06/13/2016 06/15/2016 DIST-A COLIFORM (TCR) Present Present Routine 3011432291 Alert TCR0 2016-06-15
ARS CHEM7987 06/06/2018 07/11/2018 07/20/2018 9 EP-A ARSENIC 0.0297 0.01 MG/L 1803661-I Alert Chem CMCL ARS0 2018-07-11
Notice - Sodium CHEM8022 06/26/2018 07/30/2018 EP-A SODIUM 156 20 MG/L 1803661 Notice Sodium 2018-07-30
Notice - Sodium CHEM9509 08/30/2021 10/19/2021 EP-A SODIUM 180 20 MG/L 2123261-I Notice Sodium 2021-10-19
ARS ARS-30 06/06/2023 06/21/2023 06/21/2023 0 EP-A ARSENIC 0.0206 0.01 MG/L 2315091-I Alert Chem CMCL ARS0 2023-06-21
SOC SOC-4 07/25/2023 09/28/2023 09/13/2023 -15 EP-A 2,4-D 0.00013 0.07 MG/L 2327991-S Alert Chem SOC0 2023-09-28
TCR TCR-806 08/22/2023 08/25/2023 08/24/2023 -1 DIST-A COLIFORM (TCR) Present Present Routine 3012169201 Alert TCR0 2023-08-25
TCR TCR-834 08/30/2023 09/01/2023 09/05/2023 4 DIST-A COLIFORM (TCR) Present Present Repeat 3012171731 Alert TCR0 2023-09-01
TCR TCR-835 08/30/2023 09/01/2023 09/05/2023 4 DIST-A COLIFORM (TCR) Present Present Repeat 3012171741 Alert TCR0 2023-09-01
Notice - Source TCR-836 08/30/2023 09/01/2023 09/05/2023 4 SRC-AA COLIFORM (TCR) Present Present Triggered 3012171771 Notice Source 2023-09-01
SOC SOC-5 09/19/2023 10/19/2023 10/18/2023 -1 EP-A 2,4-D 0.000272 0.07 MG/L 2342381 Alert Chem SOC0 2023-10-19


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