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  ::  Show 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
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  ::  Show rejected samples  ::  Include results older than 2023