OHA Drinking Water Services
OR41
PWS ID: 91083 ---- OPRD MAUD WILLIAMSON STATE PK
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:  Show 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 14, 2026 1AS Total Absent 20260114040 WELLHEAD SRC-AA Jan 22, 2026
Jan 14, 2026 1RT Total Absent 20260114039 OS TAP DIST-A 0.40Jan 22, 2026
Oct 21, 2025 1RT Total Absent 20251021043 SHOP YARD TAP DIST-A 0.50Oct 30, 2025
Jul 17, 2025 1RT Total Absent 20250717014 BY SHOP OUTSIDE TAP DIST-A 0.50Jul 24, 2025
May 15, 2025 1RT Total Absent 20250515040 OUTSIDE FAUCET DIST-A 0.50May 27, 2025
Apr 18, 2025 1MU Total Absent 20250418040 OUTSIDE TAP DIST-A 0.50May 02, 2025
Dec 13, 2024 1AS Total Absent 20241213010 WELL SRC-AA Dec 20, 2024
Oct 15, 2024 1RT Total Absent 20241015062 OUTSIDE TAP DIST-A Oct 23, 2024
Jun 14, 2024 1RT Total Absent 2433017 SHOPYARD DIST-A 0.02Jun 19, 2024
Mar 21, 2024 1RT Total Absent 2414761 SHOP STANDPIPE DIST-A 0.04Mar 25, 2024
Dec 19, 2023 1AS Total Absent 2376872 WELL HEAD SRC-AA Dec 22, 2023
Dec 11, 2023 1RT Total Absent 2374592 SHOPYARD DIST-A 0.07Dec 13, 2023
Sep 25, 2023 1RT Total Absent 23-58259 DIST-A 0.04Sep 29, 2023
May 15, 2023 1RT Total Absent 23-28191 DIST-A 0.02May 16, 2023
Feb 21, 2023 1RT Total Absent 23-09715 DIST-A 0.03Feb 28, 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:  Show special samples  ::  Hide rejected samples  ::  Include results older than 2023


More information for this water system: SDWIS ID 3013
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