OHA Drinking Water Services
OR41
PWS ID: 94901 ---- RIVERSIDE HIGH SCHOOL
Coliform Results

See also:  Coliform Fact Sheet  ::  Coliform Schedules  ::  Archived Results  ::  MRDL Summary  ::  Batch Numbers

Sample types:  AS=Assessment, CO=Confirmation, MU=Make-up, RP=Repeat, RT=Routine, SP=Special, TG=Triggered. See the glossary for more information.

Filter options:  Hide special samples  ::  Hide rejected samples  ::  Include results older than 2023

Sample
Date		 #
Samples		 Sample
Type		 Coliform
Type		 Result Sample
ID		 Repeat of
Sample ID		 Sample
Site		 Facility Chlorine
Residual		 Received
Date		Rejected
Reason
Nov 21, 2025 1RT Total Absent 170-2265-1 BREAK RM - 2900 SW BORLAND RD, 97062 DIST-A Nov 25, 2025
RT E. coli Absent 170-2265-1 BREAK RM - 2900 SW BORLAND RD, 97062 DIST-A
Sep 05, 2025 1AS Total Absent 170-790-2 WELL HEAD - 2900 SW BORLAND RD, 97062 SRC-AA Sep 19, 2025
AS E. coli Absent 170-790-2 WELL HEAD - 2900 SW BORLAND RD, 97062 SRC-AA
Sep 05, 2025 1RT Total Absent 170-790-1 BREAKROOM FAUCET - 2900 SW BORLAND RD, 97062 DIST-A Sep 19, 2025
RT E. coli Absent 170-790-1 BREAKROOM FAUCET - 2900 SW BORLAND RD, 97062 DIST-A
May 29, 2025 1RT Total Absent 25-33189 DIST-A Jun 03, 2025
Mar 14, 2025 1RT Total Absent 25-16055 DIST-A Mar 19, 2025
Dec 12, 2024 1AS Total Absent 24-71108 WELL SRC-AA Dec 17, 2024
Dec 06, 2024 1RT Total Absent 24-69672 DIST-A Dec 10, 2024
Aug 14, 2024 1RT Total Absent 24-46419 DIST-A Aug 19, 2024
Jun 13, 2024 1RT Total Absent 24-32770 DIST-A Jun 17, 2024
Feb 22, 2024 1RT Total Absent 24-09580 DIST-A 0.22Feb 29, 2024
Oct 20, 2023 1AS Total Absent 23-64655 WELL SRC-AA Oct 26, 2023
Oct 20, 2023 1RT Total Absent 23-64652 DIST-A Oct 26, 2023
Aug 08, 2023 1RT Total Absent 23-47220 DIST-A Aug 09, 2023
May 25, 2023 1RT Total Absent 23-30659 DIST-A 0.12Jun 02, 2023
Mar 14, 2023 1RT Total Absent 23-14131 DIST-A Mar 15, 2023



See also:  Coliform Fact Sheet  ::  Coliform Schedules  ::  Archived Results  ::  MRDL Summary  ::  Batch Numbers

Sample types:  AS=Assessment, CO=Confirmation, MU=Make-up, RP=Repeat, RT=Routine, SP=Special, TG=Triggered. See the glossary for more information.

Filter options:  Hide special samples  ::  Hide rejected samples  ::  Include results older than 2023


More information for this water system: SDWIS ID 2009
System Info  ::  Report for Lenders  ::  Alerts  ::  Violations  ::  Compliance & Enforcement  ::  Contacts & Advisories  ::  Site Visits  ::  Public Notice
Coliform Summary  ::  Coliform Results  ::  Coliform Schedules  ::  LT2  ::  GW/GWUDI Source Details  ::  Plan Review  ::  Annual Fee
Chemical Summary  ::  Chemical Results  ::  Chemical Schedules  ::  Chemical Schedule Summary  ::  Arsenic RAA  ::  Cyanotoxins
Lead & Copper  ::  DBP Sample Sites  ::  FANLs  ::  MRDL  ::  GWR 4-Log  ::  Turbidity  ::  SWTR  ::  LRAA  ::  DW Source Protection
PFAS data are now located on the Chemical Results page.
Information for all water systems:
Water System Inventory  ::  Water System Surveys  ::  Outstanding Performers  ::  Treatment Plant Inspections  ::  Treatment  ::  Plan Reviews
Alerts  ::  Violations  ::  Compliance & Enforcement  ::  Deficiencies  ::  System Scores  ::  Exceedances  ::  Public Notices  ::  Service Lines
Water Advisories  ::  Contact Reports  ::  Cyanotoxins  ::  PFAS  ::  Post-wildfire VOCs  ::  Fluoride  ::  Certification List  ::  DW Source Protection
Main menu:
Introduction  ::  Data Search Options  ::  Water System Search  ::  DWS Home  ::  DWS Rules
Need help? Email Drinking Water Services for assistance.Staff/Partner Login