OHA Drinking Water Services
OR41
PWS ID: 95027 ---- COLUMBIA GORGE DISCOVERY CENTER
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
Mar 10, 2026 1RT Total Absent 218890 SAMPLE STATION DIST-A 0.51Mar 17, 2026
Feb 10, 2026 1RT Total Absent 218718 SAMPLE STATION DIST-A 0.77Feb 12, 2026
Jan 13, 2026 1RT Total Absent 218586 SAMPLE STATION DIST-A 0.85Jan 16, 2026
Dec 16, 2025 1RT Total Absent 218481 SAMPLE STATION DIST-A 0.65Dec 31, 2025
Nov 18, 2025 1RT Total Absent 218328 SAMPLE STATION DIST-A 0.14Nov 19, 2025
Oct 22, 2025 1RT Total Absent 218180 SAMPLE STATION DIST-A 0.06Oct 24, 2025
Sep 23, 2025 1RT Total Absent 217958 SAMPLE STATION DIST-A 0.04Sep 25, 2025
Aug 25, 2025 1RT Total Absent 217793 SAMPLE STATION DIST-A 0.04Aug 29, 2025
Jul 29, 2025 1RT Total Absent 217588 SAMPLE STATION DIST-A 0.03Jul 31, 2025
Jun 03, 2025 1RT Total Absent 217092 SAMPLE STATION DIST-A 0.55Jun 05, 2025
May 06, 2025 1AS Total Absent 216865 KUCK WELL SRC-AA May 09, 2025
May 06, 2025 1RT Total Absent 216858 SAMPLE STATION DIST-A 0.33May 09, 2025
Apr 08, 2025 1RT Total Absent 216660 SAMPLE STATION DIST-A 0.80Apr 10, 2025
Mar 11, 2025 1RT Total Absent 216492 SAMPLE STATION DIST-A 0.73Mar 13, 2025
Feb 11, 2025 1RT Total Absent 216351 SAMPLE STATION DIST-A 0.76Feb 13, 2025
Jan 14, 2025 1RT Total Absent 216223 SAMPLE STATION DIST-A 0.75Jan 21, 2025
Dec 17, 2024 1RT Total Absent 216096 SAMPLE STATION DIST-A 0.52Dec 20, 2024
Nov 19, 2024 1RT Total Absent 215914 SAMPLE STATION DIST-A 0.36Nov 21, 2024
Oct 22, 2024 1RT Total Absent 215766 DISCOVERY SAMPLE STATION DIST-A 0.52Oct 24, 2024
Sep 24, 2024 1RT Total Absent 215594 SAMPLE STATION DIST-A 0.54Sep 26, 2024
Sample
Date 		#
Samples 		Sample
Type 		Coliform
Type 		Result Sample
ID 		Repeat of
Sample ID 		Sample
Site 		Facility Chlorine
Residual 		Received
Date
Jul 01, 2024 1RT Total Absent 215003 HOSEBIB DIST-A 0.70Jul 12, 2024
Jun 03, 2024 1RT Total Absent 214704 SAMPLE STATION DIST-A 0.59Jun 05, 2024
May 07, 2024 1RT Total Absent 214513 HOSEBIB DIST-A 1.01May 09, 2024
May 07, 2024 1AS Total Absent 214512 WELL SRC-AA May 09, 2024
Mar 11, 2024 1RT Total Absent 214133 HOSEBIB DIST-A 1.29Mar 14, 2024
Feb 13, 2024 1RT Total Absent 214005 SPIGOT DIST-A 1.08Feb 21, 2024
Dec 19, 2023 1RT Total Absent 213737 HOSEBIB DIST-A 0.86Dec 20, 2023
Nov 21, 2023 1RT Total Absent 213587 HOSEBIB DIST-A 0.96Nov 27, 2023
Oct 24, 2023 1RT Total Absent 213388 HOSEBIB DIST-A 0.46Oct 27, 2023
Sep 25, 2023 1RT Total Absent 213222 HOSEBIB DIST-A 0.29Sep 28, 2023
Aug 28, 2023 1RT Total Absent 213063 HOSEBIB DIST-A 0.51Aug 30, 2023
Jul 05, 2023 1RT Total Absent 212627 HOSEBIB DIST-A 0.70Jul 14, 2023
Jun 05, 2023 1RT Total Absent 212304 HOSEBIB DIST-A 1.18Jun 19, 2023
Jun 05, 2023 1AS Total Absent 212302 WELL SRC-AA Jun 19, 2023
May 08, 2023 1RT Total Absent 212129 HOSEBIB DIST-A 0.70May 16, 2023
Apr 10, 2023 1RT Total Absent 211946 HOSEBIB DIST-A 0.99Apr 14, 2023
Mar 13, 2023 1RT Total Absent 211788 HOSEBIB DIST-A 1.01Mar 15, 2023
Feb 14, 2023 1RT Total Absent 211641 HOSEBIB DIST-A 0.93Feb 28, 2023
Jan 17, 2023 1RT Total Absent 211521 HOSEBIB DIST-A 0.97Jan 19, 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