OHA Drinking Water Services
OR41
PWS ID: 95225 ---- CIRCLE K #9641
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
ARS CHEM6520 01/13/1997 10/30/2014 11/03/2014 4 EP-A ARSENIC 0.0112 MG/L 0.01 970113026-I Alert Chem CMCL ARS0 2014-10-30
TCR COLI8463 10/12/2010 10/15/2010 10/19/2010 4 DIST-A COLIFORM (TCR) Present Present Routine 20101012030 Alert TCR0 2010-10-15
TCR COLI8491 10/18/2010 10/21/2010 10/26/2010 5 DIST-A COLIFORM (TCR) Present Present Repeat 20101018063 Alert TCR0 2010-10-21
TCR COLI8681 11/19/2010 11/23/2010 11/29/2010 6 DIST-A COLIFORM (TCR) Present Present Routine 20101119025 Alert TCR0 2010-11-23
TCR TCR-4257 08/21/2025 08/25/2025 08/25/2025 0 DIST-A E. COLI Present Routine 170-481-1 Alert TCR0 2025-08-25
TCR TCR-4256 08/21/2025 08/25/2025 08/25/2025 0 DIST-A COLIFORM (TCR) Present Present Routine 170-481-1 Alert TCR0 2025-08-25
TCR TCR-4279 08/22/2025 08/25/2025 08/25/2025 0 DIST-A E. COLI Present Repeat 170-503-3 Alert TCR0 2025-08-25
TCR TCR-4277 08/22/2025 08/25/2025 08/25/2025 0 DIST-A COLIFORM (TCR) Present Present Repeat 170-503-3 Alert TCR0 2025-08-25
TCR TCR-4278 08/22/2025 08/25/2025 08/25/2025 0 SRC-AA E. COLI Present Triggered 170-503-1 Alert TCR0 2025-08-25
TCR TCR-4276 08/22/2025 08/25/2025 08/25/2025 0 SRC-AA COLIFORM (TCR) Present Present Triggered 170-503-1 Alert TCR0 2025-08-25
TCR TCR-4317 08/26/2025 08/28/2025 DIST-A COLIFORM (TCR) Present Present Repeat 170-543-1 Alert TCR0 2025-08-28
TCR TCR-4318 08/26/2025 08/28/2025 SRC-AA E. COLI Present Confirmation 170-533-3 Alert TCR0 2025-08-28
TCR TCR-4319 08/26/2025 08/28/2025 SRC-AA E. COLI Present Confirmation 170-533-4 Alert TCR0 2025-08-28
Notice - Source TCR-4313 08/26/2025 08/28/2025 SRC-AA COLIFORM (TCR) Present Present Confirmation 170-533-2 Notice Source 2025-08-28
Notice - Source TCR-4314 08/26/2025 08/28/2025 SRC-AA COLIFORM (TCR) Present Present Confirmation 170-533-3 Notice Source 2025-08-28
Notice - Source TCR-4315 08/26/2025 08/28/2025 SRC-AA COLIFORM (TCR) Present Present Confirmation 170-533-4 Notice Source 2025-08-28
Notice - Source TCR-4316 08/26/2025 08/28/2025 SRC-AA COLIFORM (TCR) Present Present Confirmation 170-533-5 Notice Source 2025-08-28



More information for this water system: SDWIS ID 4843
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