OHA Drinking Water Services
OR41
PWS ID: 00020 ---- REDWOOD WATER SERVICE INC
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
Jan 13, 2026 1RT Total Absent 20260113030 35199 CORTEX PLACE DIST-A 1.10Jan 22, 2026
Dec 04, 2025 1RT Total Absent 20251204045 35164 REDWOOD ST DIST-A 0.60Dec 16, 2025
Nov 12, 2025 1RT Total Absent 20251112120 35199 CORTEZ PL DIST-A 1.00Nov 19, 2025
Oct 02, 2025 1RT Total Absent 20251002014 35164 REDWOOD ST DIST-A 1.30Oct 09, 2025
Sep 08, 2025 1AS Total Absent 20250908023 WELL SRC-AA Sep 22, 2025
Sep 03, 2025 1RT Total Absent 20250903042 35129 CORTEZ WAY DIST-A 0.70Sep 12, 2025
Aug 07, 2025 1RT Total Absent 20250807129 35199 CORTEZ PLACE DIST-A 0.80Aug 14, 2025
Jul 10, 2025 1RT Total Absent 20250710057 35164 REDWOOD ST DIST-A 0.80Jul 24, 2025
Jun 05, 2025 1RT Total Absent 20250605051 35129 CORTEZ WAY DIST-A 0.30Jun 12, 2025
May 01, 2025 1RT Total Absent 20250501029 35199 CORTEZ PL DIST-A 1.80May 13, 2025
Apr 09, 2025 1RT Total Absent 20250409021 35164 REDWOOD ST DIST-A 0.90Apr 17, 2025
Mar 06, 2025 1RT Total Absent 20250306045 35129 CORTEZ WAY DIST-A 0.50Mar 19, 2025
Feb 11, 2025 1RT Total Absent 20250211068 35199 CORTEZ PL DIST-A 0.10Feb 21, 2025
Jan 14, 2025 1RT Total Absent 20250114040 35164 REDWOOD ST DIST-A 0.70Jan 24, 2025
Dec 09, 2024 1RT Total Absent 20241209034 35129 CORTEZ WAY DIST-A 0.20Dec 20, 2024
Nov 07, 2024 1RT Total Absent 20241107034 35199 CORTEZ PLACE DIST-A 0.50Nov 18, 2024
Oct 21, 2024 1AS Total Absent 20241021035 WELL SRC-AA Oct 31, 2024
Oct 03, 2024 1RT Total Absent 20241003032 35164 REDWOOD ST DIST-A 0.50Oct 23, 2024
Sep 05, 2024 1RT Total Absent 20240905017 35129 CORTEZ WAY DIST-A 0.40Sep 24, 2024
Aug 15, 2024 1RT Total Absent 20240815039 35164 REDWOOD ST DIST-A 0.50Aug 26, 2024
Sample
Date
#
Samples
Sample
Type
Coliform
Type
Result Sample
ID
Repeat of
Sample ID
Sample
Site
Facility Chlorine
Residual
Received
Date
Rejected
Reason
Jul 11, 2024 1RT Total Absent 20240711025 35129 CORTEZ WAY DIST-A 0.00Jul 19, 2024
Jun 06, 2024 1RT Total Absent 20240606049 35199 CORTEZ PLACE DIST-A 0.90Jun 19, 2024
May 02, 2024 1RT Total Absent 20240502030 35164 REDWOOD ST DIST-A 0.00May 10, 2024
Apr 09, 2024 1RT Total Absent 20240409058 35129 CORTEZ WAY DIST-A 0.70Apr 23, 2024
Mar 07, 2024 1RT Total Absent 20240307032 35199 CORTEZ PL DIST-A 0.40Mar 14, 2024
Feb 08, 2024 1RT Total Absent 20240208035 35164 REDWOOD ST DIST-A 0.30Feb 14, 2024
Jan 10, 2024 1RT Total Absent 20240110036 35129 CORTEZ WAY DIST-A 0.20Jan 19, 2024
Dec 07, 2023 1RT Total Absent 20231207037 35199 CORTEZ PL DIST-A 0.60Dec 19, 2023
Dec 05, 2023 1AS Total Absent 20231205039 WELL SRC-AA Dec 14, 2023
Nov 08, 2023 1RT Total Absent 20231108034 35164 REDWOOD ST DIST-A 0.90Nov 20, 2023
Oct 20, 2023 1RT Total Absent 20231020012 35129 CORTEZ WAY DIST-A 0.80Nov 03, 2023
Sep 07, 2023 1RT Total Absent 20230907048 35199 CORTEZ PLACE DIST-A 1.00Sep 22, 2023
Aug 08, 2023 1RT Total Absent 20230808036 35164 REDWOOD ST DIST-A 1.00Aug 18, 2023
Jul 18, 2023 1RT Total Absent 20230718049 35129 CORTEZ WAY DIST-A 0.20Aug 07, 2023
Jun 07, 2023 1RT Total Absent 20230607062 35199 CORTEZ PL DIST-A 1.40Jun 19, 2023
May 08, 2023 1RT Total Absent 20230508117 35164 REDWOOD ST DIST-A 1.20May 23, 2023
Apr 11, 2023 1RT Total Absent 20230411033 35199 CORTEZ PL DIST-A 1.00Apr 18, 2023
Mar 02, 2023 1RT Total Absent 20230302036 35199 CORTEZ PL DIST-A 0.70Mar 15, 2023
Feb 08, 2023 1RT Total Absent 20230208039 35164 REDWOOD ST DIST-A 0.80Feb 21, 2023
Jan 11, 2023 1RT Total Absent 20230111055 35199 CORTEZ PLACE DIST-A 1.40Jan 20, 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 3214
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