OHA Drinking Water Services
OR41
PWS ID: 94947 ---- CITY LIMITS
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 2023

Sample
Date
#
Samples
Sample
Type
Coliform
Type
Result Sample
ID
Repeat of
Sample ID
Sample
Site
Facility Chlorine
Residual
Received
Date
Mar 30, 2026 1RT Total Absent 177-2840-1 5800 NW HWY 99W, CORVALLIS OR DIST-A Apr 01, 2026
RT E. coli Absent 177-2840-1 5800 NW HWY 99W, CORVALLIS OR DIST-A
Dec 15, 2025 1AS Total Absent 177-1721-1 5800 NW HWY 99W, SOURCE SRC-AA Jan 10, 2026
AS E. coli Absent 177-1721-1 5800 NW HWY 99W, SOURCE SRC-AA
Dec 15, 2025 1RT Total Absent 177-1720-1 5800 NW HWY 99W, BOTTLE RM 1, DIST-A DIST-A Jan 10, 2026
RT E. coli Absent 177-1720-1 5800 NW HWY 99W, BOTTLE RM 1, DIST-A DIST-A
Sep 22, 2025 1RT Total Absent 177-788-1 5800 NW HWY 99W - BOTTLE ROOM 1 DIST-A Oct 09, 2025
RT E. coli Absent 177-788-1 5800 NW HWY 99W - BOTTLE ROOM 1 DIST-A
Jun 19, 2025 1RT Total Absent 25-38602 DIST-A Jun 23, 2025
Mar 28, 2025 1RT Total Absent 25-18881 DIST-A Mar 31, 2025
Dec 10, 2024 1AS Total Absent 24-70355 WELL SRC-AA Dec 16, 2024
Dec 10, 2024 1RT Total Absent 24-70354 DIST-A Dec 16, 2024
Sep 20, 2024 1RT Total Absent 24-54553 DIST-A Sep 24, 2024
Jun 27, 2024 1RT Total Absent 2436625 BOTTLE ROOM #1 DIST-A Jul 01, 2024
Mar 13, 2024 1RT Total Absent 2413186 BOTTLE RM #1 DIST-A Mar 18, 2024
Nov 29, 2023 1AS Total Absent 2372207 WELL HEAD SRC-AA Dec 07, 2023
Nov 29, 2023 1RT Total Absent 2372206 BOTTLE ROOM #1 DIST-A Dec 07, 2023
Sep 20, 2023 1RT Total Absent 2357290 BOTTLE ROOM #1 DIST-A Sep 22, 2023
Jun 30, 2023 1RT Total Absent 2338447 BOTTLE ROOM 1 DIST-A Jul 03, 2023
Mar 21, 2023 1RT Total Absent 2315696 BOTTLE ROOM #1 DIST-A Mar 28, 2023



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 2023