OHA Drinking Water Services
OR41
PWS ID: 91879 ---- TWIN OAKS ELEMENTARY SD 4J
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
Units Alert Level MCL Sample Type Lab Sample ID SelectAtype FilterAlertDate
IOC ARCHIVE 12/29/1994 02/14/1995 AA SODIUM 74.2 MG/L 20 51625 Alert Chem IOC0 1995-02-14
IOC ARCHIVE 12/30/1997 04/10/1998 AA SODIUM 71.9 MG/L 20 85862 Alert Chem IOC0 1998-04-10
IOC ARCHIVE 12/28/2000 02/05/2001 AA SODIUM 79.7 MG/L 20 23633 Alert Chem IOC0 2001-02-05
Notice - Sodium CHEM674 12/30/2003 02/11/2004 EP-A SODIUM 84 MG/L 20 66777I Notice Sodium 2004-02-11
Notice - Sodium CHEM5673 12/27/2012 01/22/2013 EP-A SODIUM 76.8 MG/L 20 121264701 Notice Sodium 2013-01-22
LCR LCR-52 07/16/2024 08/06/2024 08/05/2024 -1 DIST-A LEAD SUMMARY 0.055 MG/L 0.015 Alert Chem LCR0 2024-08-06
LCR LCR-74 07/16/2024 11/05/2024 02/18/2025 105 DIST-A LEAD SUMMARY 0.055 MG/L 0.015 Alert Chem LCR0 2024-11-05