OHA Drinking Water Services
OR41
PWS ID: 00265 ---- TWIN ISLAND COMMUNITY
Coliform Results

See also:  Coliform Fact Sheet  ::  Coliform Schedules  ::  Archived Results  ::  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:  Show special samples  ::  Show rejected samples  ::  Include results older than 2022

Sample
Date
#
Samples
Sample
Type
Coliform
Type
Result Sample
ID
Repeat of
Sample ID
Sample
Site
Facility Chlorine
Residual
Received
Date
Jun 17, 2025 1RT Total Absent 5169012-01 SPIKET DIST-A Jun 20, 2025
May 28, 2025 1RT Total Absent 5149006-01 HOSE BIB DIST-A Jun 02, 2025
Apr 17, 2025 1RT Total Absent 5108021-01 HOSE BIB DIST-A Apr 25, 2025
Mar 21, 2025 1RP Total Absent 5080013-04 5078003-01 28899 SE WOODS DIST-A Mar 24, 2025
Mar 21, 2025 1RP Total Absent 5080013-03 5078003-01 29021 SE WOODS DIST-A Mar 24, 2025
Mar 21, 2025 1RP Total Absent 5080013-02 5078003-01 28831 SE WOODS DIST-A Mar 24, 2025
Mar 21, 2025 1TG Total Absent 5080013-01 5078003-01 WELL SRC-AA Mar 24, 2025
Mar 18, 2025 1RT Total POSITIVE 5078003-01 NONE GIVEN DIST-A Mar 20, 2025
RT E. coli Absent 5078003-01 NONE GIVEN DIST-A
Jan 16, 2025 1RT Total Absent 5017003-01 - DIST-A Jan 29, 2025
Dec 23, 2024 1RT Total Absent 4358044-01 28650 ISLAND RD DIST-A Dec 26, 2024
Nov 20, 2024 1RT Total Absent 4326003-01 HOSE BIB DIST-A Nov 27, 2024
Nov 07, 2024 1RT Total Absent 4313009-01 28820 WOODS DIST-A Nov 15, 2024
Oct 21, 2024 1RT Total Absent 4296004-01 SPIGOT DIST-A Oct 28, 2024
Sep 23, 2024 1RT Total Absent 4268009-01 SPIGOT DIST-A Oct 07, 2024
Aug 21, 2024 1RT Total Absent 4235006-01 HOSE BIB DIST-A Sep 10, 2024
Jul 18, 2024 1RT Total Absent 4201005-01 - DIST-A Aug 01, 2024
Jun 18, 2024 1RT Total Absent 4171002-01 HOSE BINK DIST-A Jun 28, 2024
May 22, 2024 1RT Total Absent 4144007-01 TEST PORT DIST-A May 31, 2024
Apr 18, 2024 1RT Total Absent 4110024-01 HOSE BIB DIST-A May 06, 2024
Sample
Date
#
Samples
Sample
Type
Coliform
Type
Result Sample
ID
Repeat of
Sample ID
Sample
Site
Facility Chlorine
Residual
Received
Date
Mar 19, 2024 1RT Total Absent 4080005-01 HOSE BIB DIST-A Mar 22, 2024
Feb 22, 2024 1RT Total Absent 4054001-01 SPIGOT DIST-A Mar 01, 2024
Jan 29, 2024 1RT Total Absent 4029014-01 FAUCET DIST-A Feb 05, 2024
Dec 22, 2023 1RT Total Absent 3356011-01 - DIST-A Jan 05, 2024
Nov 16, 2023 1RT Total Absent 3321026-01 HOSE BIB DIST-A Dec 04, 2023
Oct 20, 2023 1RT Total Absent 3293019-01 TEST PORT DIST-A Nov 03, 2023
Sep 22, 2023 1RP Total Absent 3265034-04 3264008-01 28650 ISLAND HB DIST-A Sep 25, 2023
Sep 22, 2023 1TG Total POSITIVE 3265034-03 3264008-01 WELL SRC-AA Sep 25, 2023
TG E. coli Absent 3265034-03 3264008-01 WELL SRC-AA
Sep 22, 2023 1RP Total Absent 3265034-02 3264008-01 28746 ALLEN HB DIST-A Sep 25, 2023
Sep 22, 2023 1RP Total Absent 3265034-01 3264008-01 28747 SE ISLAND HB DIST-A Sep 25, 2023
Sep 20, 2023 1RT Total POSITIVE 3264008-01 28650 ISLAND FAUCET DIST-A Sep 22, 2023
RT E. coli Absent 3264008-01 28650 ISLAND FAUCET DIST-A
Aug 16, 2023 1RT Total Absent 3228088-01 28650 SE ISLAND RD DIST-A Aug 28, 2023
Jul 18, 2023 1RT Total Absent 3199059-01 PUMP HOUSE DIST-A Aug 03, 2023
Jun 16, 2023 1RT Total Absent 3167006-01 HOSE FAUCET DIST-A Jun 23, 2023
May 18, 2023 1RT Total Absent 3139003-01 WATER SPOUT DIST-A Jun 08, 2023
Apr 18, 2023 1RT Total Absent 3108056-01 HOSE FAUCET DIST-A Apr 27, 2023
Mar 16, 2023 1RT Total Absent 3075007-01 HOSE FAUCET DIST-A Mar 20, 2023
Feb 17, 2023 1RT Total Absent 3048027-01 HOSE FAUCET DIST-A Mar 03, 2023
Sample
Date
#
Samples
Sample
Type
Coliform
Type
Result Sample
ID
Repeat of
Sample ID
Sample
Site
Facility Chlorine
Residual
Received
Date
Jan 30, 2023 1RT Total Absent 3030021-01 HOSE BIB DIST-A Feb 02, 2023
Dec 20, 2022 1RT Total Absent 2355043-01 29097 SE WOODS RD DIST-A Dec 30, 2022
Nov 15, 2022 1RT Total Absent 2320005-01 HOSE DIST-A Nov 23, 2022
Oct 18, 2022 1RT Total Absent 2291017-01 28899 SE WOODS RD DIST-A Oct 21, 2022
Sep 20, 2022 1RT Total Absent 2264002-01 SPIGOT DIST-A Sep 23, 2022
Aug 16, 2022 1RT Total Absent 2229002-01 OUTSIDE FAUCET DIST-A 0.14Sep 06, 2022
Jul 18, 2022 1RT Total Absent 2199022-01 29097 SE WOODS RD DIST-A Jul 28, 2022
Jun 20, 2022 1RT Total Absent 2172004-01 28899 SE WOODS RD DIST-A Jul 03, 2022
May 16, 2022 1RT Total Absent 2137002-01 - DIST-A May 23, 2022
Apr 22, 2022 1RT Total Absent 2112013-01 HOSE BIB DIST-A Apr 29, 2022
Mar 17, 2022 1RT Total Absent 2076022-01 28606 SE WOODS RD DIST-A Mar 18, 2022
Feb 17, 2022 1RT Total Absent 2048011-01 - DIST-A Feb 25, 2022
Jan 18, 2022 1RT Total Absent 2018011-01 28750 WOOD RD DIST-A Jan 28, 2022



See also:  Coliform Fact Sheet  ::  Coliform Schedules  ::  Archived Results  ::  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:  Show special samples  ::  Show rejected samples  ::  Include results older than 2022



More information for this water system: SDWIS ID 3287
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  ::  PFAS
Lead & Copper  ::  DBP Sample Sites  ::  FANLs  ::  MRDL  ::  GWR 4-Log  ::  Turbidity  ::  SWTR  ::  LRAA  ::  DW Source Protection

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