OHA Drinking Water Services
OR41
PWS ID: 92612 ---- USFS MULTNOMAH FALLS/WAHKEENA
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  ::  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
Feb 02, 2026 1RT Total Absent 26-0097-3 DIST-A 0.55Feb 04, 2026
Feb 02, 2026 1RT Total Absent 26-0097-2 DIST-A 0.55Feb 04, 2026
Feb 02, 2026 1RT Total Absent 26-0097-1 DIST-A 0.55Feb 04, 2026
Jan 05, 2026 1RT Total Absent 25-1193-3 DIST-A 0.45Jan 07, 2026
Jan 05, 2026 1RT Total Absent 25-1193-2 DIST-A 0.45Jan 07, 2026
Jan 05, 2026 1RT Total Absent 25-1193-1 DIST-A 0.45Jan 07, 2026
Dec 08, 2025 1RT Total Absent 25-1090-3 DIST-A 0.38Dec 10, 2025
Dec 08, 2025 1RT Total Absent 25-1090-2 DIST-A 0.38Dec 10, 2025
Dec 08, 2025 1RT Total Absent 25-1090-1 DIST-A 0.38Dec 10, 2025
Nov 17, 2025 1RT Total Absent 25-1029-3 DIST-A 0.38Nov 19, 2025
Nov 17, 2025 1RT Total Absent 25-1029-2 DIST-A 0.38Nov 19, 2025
Nov 17, 2025 1RT Total Absent 25-1029-1 DIST-A 0.38Nov 19, 2025
Oct 27, 2025 1RT Total Absent 25-971-3 DIST-A 0.52Oct 29, 2025
Oct 27, 2025 1RT Total Absent 25-971-2 DIST-A 0.52Oct 29, 2025
Oct 27, 2025 1RT Total Absent 25-971-1 DIST-A 0.52Oct 29, 2025
Sep 02, 2025 1RT Total Absent 25-755-3 DIST-A 0.42Sep 04, 2025
Sep 02, 2025 1RT Total Absent 25-755-2 DIST-A 0.42Sep 04, 2025
Sep 02, 2025 1RT Total Absent 25-755-1 DIST-A 0.42Sep 04, 2025
Aug 04, 2025 1RT Total Absent 25-647 DIST-A 0.39Aug 06, 2025
Aug 04, 2025 1RT Total Absent 25-646 DIST-A 0.39Aug 06, 2025
Sample
Date 		#
Samples 		Sample
Type 		Coliform
Type 		Result Sample
ID 		Repeat of
Sample ID 		Sample
Site 		Facility Chlorine
Residual 		Received
Date
Aug 04, 2025 1RT Total Absent 25-645 DIST-A 0.39Aug 06, 2025
Jul 08, 2025 1RT Total Absent 25-555 DIST-A Jul 10, 2025
Jul 08, 2025 1RT Total Absent 25-553-2 DIST-A 0.67Jul 10, 2025
Jul 08, 2025 1RT Total Absent 25-553-1 DIST-A 0.67Jul 10, 2025
Jun 23, 2025 1RT Total Absent 25-502-3 DIST-A 0.70Jun 25, 2025
Jun 23, 2025 1RT Total Absent 25-502-2 DIST-A 0.70Jun 25, 2025
Jun 23, 2025 1RT Total Absent 25-502-1 DIST-A 0.70Jun 25, 2025
May 05, 2025 1RT Total Absent 25-364-3 DIST-A 0.79May 08, 2025
May 05, 2025 1RT Total Absent 25-364-2 DIST-A 0.79May 08, 2025
May 05, 2025 1RT Total Absent 25-364-1 DIST-A 0.79May 08, 2025
Apr 14, 2025 1AS Total Absent 25-303 WELL SAMPLE TAP SRC-AA Apr 16, 2025
Apr 14, 2025 1RT Total Absent 25-300-3 DIST-A 0.47Apr 16, 2025
Apr 14, 2025 1RT Total Absent 25-300-2 DIST-A 0.47Apr 16, 2025
Apr 14, 2025 1RT Total Absent 25-300-1 DIST-A 0.47Apr 16, 2025
Apr 07, 2025 1SP Total Absent 25-272 DAY USE OS RR FCT DIST-A 0.44Apr 09, 2025
Mar 10, 2025 1RT Total Absent 25-205-3 DIST-A 0.47Mar 12, 2025
Mar 10, 2025 1RT Total Absent 25-205-2 DIST-A 0.47Mar 12, 2025
Mar 10, 2025 1RT Total Absent 25-205-1 DIST-A 0.47Mar 12, 2025
Feb 03, 2025 1RT Total Absent 25-106-3 DIST-A 0.56Apr 08, 2025
Feb 03, 2025 1RT Total Absent 25-106-2 DIST-A 0.56Apr 08, 2025
Sample
Date 		#
Samples 		Sample
Type 		Coliform
Type 		Result Sample
ID 		Repeat of
Sample ID 		Sample
Site 		Facility Chlorine
Residual 		Received
Date
Feb 03, 2025 1RT Total Absent 25-106-1 DIST-A 0.56Apr 08, 2025
Jan 21, 2025 1RT Total Absent 25-66-3 DIST-A 0.57Jan 23, 2025
Jan 21, 2025 1RT Total Absent 25-66-2 DIST-A 0.57Jan 23, 2025
Jan 21, 2025 1RT Total Absent 25-66-1 DIST-A 0.57Jan 23, 2025
Dec 09, 2024 1RT Total Absent 24-1206-4 DIST-A 0.50Dec 11, 2024
Dec 09, 2024 1RT Total Absent 24-1206-3 DIST-A 0.50Dec 11, 2024
Dec 09, 2024 1RT Total Absent 24-1206-2 DIST-A 0.50Dec 11, 2024
Dec 09, 2024 1RT Total Absent 24-1206-1 DIST-A 0.50Dec 11, 2024
Nov 12, 2024 1RT Total Absent 24-1098-4 DIST-A 0.44Nov 14, 2024
Nov 12, 2024 1RT Total Absent 24-1098-3 DIST-A 0.44Nov 14, 2024
Nov 12, 2024 1RT Total Absent 24-1098-2 DIST-A 0.44Nov 14, 2024
Nov 12, 2024 1RT Total Absent 24-1098-1 DIST-A 0.44Nov 14, 2024
Oct 01, 2024 1RT Total Absent 24-979-4 DIST-A 0.43Oct 03, 2024
Oct 01, 2024 1RT Total Absent 24-979-3 DIST-A 0.43Oct 03, 2024
Oct 01, 2024 1RT Total Absent 24-979-2 DIST-A 0.43Oct 03, 2024
Oct 01, 2024 1RT Total Absent 24-979-1 DIST-A 0.43Oct 03, 2024
Sep 09, 2024 1RT Total Absent 24-906-4 DIST-A 0.73Sep 11, 2024
Sep 09, 2024 1RT Total Absent 24-906-3 DIST-A 0.73Sep 11, 2024
Sep 09, 2024 1RT Total Absent 24-906-2 DIST-A 0.73Sep 11, 2024
Sep 09, 2024 1RT Total Absent 24-906-1 DIST-A 0.73Sep 11, 2024
Sample
Date 		#
Samples 		Sample
Type 		Coliform
Type 		Result Sample
ID 		Repeat of
Sample ID 		Sample
Site 		Facility Chlorine
Residual 		Received
Date
Aug 12, 2024 1RT Total Absent 24-777-4 DIST-A 0.43Aug 15, 2024
Aug 12, 2024 1RT Total Absent 24-777-3 DIST-A 0.43Aug 15, 2024
Aug 12, 2024 1RT Total Absent 24-777-2 DIST-A 0.43Aug 15, 2024
Aug 12, 2024 1RT Total Absent 24-777-1 DIST-A 0.43Aug 15, 2024
Jul 01, 2024 1RT Total Absent 24-645-4 DIST-A 0.49Jul 03, 2024
Jul 01, 2024 1RT Total Absent 24-645-3 DIST-A 0.49Jul 03, 2024
Jul 01, 2024 1RT Total Absent 24-645-2 DIST-A 0.49Jul 03, 2024
Jul 01, 2024 1RT Total Absent 24-645-1 DIST-A 0.49Jul 03, 2024
Jun 03, 2024 1RT Total Absent 24-533-4 DIST-A 0.55Jun 05, 2024
Jun 03, 2024 1RT Total Absent 24-533-3 DIST-A 0.55Jun 05, 2024
Jun 03, 2024 1RT Total Absent 24-533-2 DIST-A 0.55Jun 05, 2024
Jun 03, 2024 1RT Total Absent 24-533-1 DIST-A 0.55Jun 05, 2024
May 06, 2024 1AS Total Absent 24-428 WELL SRC-AA May 08, 2024
Apr 29, 2024 1SP Total Absent 214455 OUTDOOR RR FAUCET DIST-A 0.68May 06, 2024
Apr 08, 2024 1RT Total Absent 24-335-4 DIST-A 0.51Apr 10, 2024
Apr 08, 2024 1RT Total Absent 24-335-3 DIST-A 0.51Apr 10, 2024
Apr 08, 2024 1RT Total Absent 24-335-2 DIST-A 0.51Apr 10, 2024
Apr 08, 2024 1RT Total Absent 24-335-1 DIST-A 0.51Apr 10, 2024
Mar 04, 2024 1RT Total Absent 24-215-4 DIST-A 0.41Mar 06, 2024
Mar 04, 2024 1RT Total Absent 24-215-3 DIST-A 0.41Mar 06, 2024
Sample
Date 		#
Samples 		Sample
Type 		Coliform
Type 		Result Sample
ID 		Repeat of
Sample ID 		Sample
Site 		Facility Chlorine
Residual 		Received
Date
Mar 04, 2024 1RT Total Absent 24-215-2 DIST-A 0.41Mar 06, 2024
Mar 04, 2024 1RT Total Absent 24-215-1 DIST-A 0.41Mar 06, 2024
Feb 12, 2024 1RT Total Absent 24-130-4 DIST-A 0.38Feb 15, 2024
Feb 12, 2024 1RT Total Absent 24-130-3 DIST-A 0.38Feb 15, 2024
Feb 12, 2024 1RT Total Absent 24-130-2 DIST-A 0.38Feb 15, 2024
Feb 12, 2024 1RT Total Absent 24-130-1 DIST-A 0.38Feb 15, 2024
Jan 08, 2024 1RT Total Absent 24-13-4 DIST-A 0.13Jan 10, 2024
Jan 08, 2024 1RT Total Absent 24-13-3 DIST-A 0.13Jan 10, 2024
Jan 08, 2024 1RT Total Absent 24-13-2 DIST-A 0.13Jan 10, 2024
Jan 08, 2024 1RT Total Absent 24-13-1 DIST-A 0.13Jan 10, 2024
Dec 04, 2023 1RT Total Absent 23-1273-4 DIST-A 0.35Dec 06, 2023
Dec 04, 2023 1RT Total Absent 23-1273-3 DIST-A 0.35Dec 06, 2023
Dec 04, 2023 1RT Total Absent 23-1273-2 DIST-A 0.35Dec 06, 2023
Dec 04, 2023 1RT Total Absent 23-1273-1 DIST-A 0.35Dec 06, 2023
Nov 14, 2023 1RT Total Absent 23-1218-4 DIST-A 0.43Nov 16, 2023
Nov 14, 2023 1RT Total Absent 23-1218-3 DIST-A 0.43Nov 16, 2023
Nov 14, 2023 1RT Total Absent 23-1218-2 DIST-A 0.43Nov 16, 2023
Nov 14, 2023 1RT Total Absent 23-1218-1 DIST-A 0.43Nov 16, 2023
Oct 16, 2023 1RT Total Absent 23-1104-4 DIST-A 0.57Oct 18, 2023
Oct 16, 2023 1RT Total Absent 23-1104-3 DIST-A 0.57Oct 18, 2023
Sample
Date 		#
Samples 		Sample
Type 		Coliform
Type 		Result Sample
ID 		Repeat of
Sample ID 		Sample
Site 		Facility Chlorine
Residual 		Received
Date
Oct 16, 2023 1RT Total Absent 23-1104-2 DIST-A 0.57Oct 18, 2023
Oct 16, 2023 1RT Total Absent 23-1104-1 DIST-A 0.57Oct 18, 2023
Sep 11, 2023 1RT Total Absent 23-942 DIST-A 0.43Sep 13, 2023
Sep 11, 2023 1RT Total Absent 23-941 DIST-A 0.43Sep 13, 2023
Sep 11, 2023 1RT Total Absent 23-940 DIST-A 0.43Sep 13, 2023
Sep 11, 2023 1RT Total Absent 23-939 DIST-A 0.43Sep 13, 2023
Aug 28, 2023 1RT Total Absent 23-905-4 DIST-A 0.41Aug 30, 2023
Aug 28, 2023 1RT Total Absent 23-905-3 DIST-A 0.41Aug 30, 2023
Aug 28, 2023 1RT Total Absent 23-905-2 DIST-A 0.41Aug 30, 2023
Aug 28, 2023 1RT Total Absent 23-905-1 DIST-A 0.41Aug 30, 2023
Jul 10, 2023 1RT Total Absent 23-732-4 DIST-A 0.50Jul 12, 2023
Jul 10, 2023 1RT Total Absent 23-732-3 DIST-A 0.50Jul 12, 2023
Jul 10, 2023 1RT Total Absent 23-732-2 DIST-A 0.50Jul 12, 2023
Jul 10, 2023 1RT Total Absent 23-732-1 DIST-A 0.50Jul 12, 2023
Jun 05, 2023 1RT Total Absent 23-607-4 DIST-A 0.53Jun 07, 2023
Jun 05, 2023 1RT Total Absent 23-607-3 DIST-A 0.53Jun 07, 2023
Jun 05, 2023 1RT Total Absent 23-607-2 DIST-A 0.53Jun 07, 2023
Jun 05, 2023 1RT Total Absent 23-607-1 DIST-A 0.53Jun 07, 2023
May 08, 2023 1RT Total Absent 23-499-4 DIST-A 0.53May 10, 2023
May 08, 2023 1RT Total Absent 23-499-3 DIST-A 0.53May 10, 2023
Sample
Date 		#
Samples 		Sample
Type 		Coliform
Type 		Result Sample
ID 		Repeat of
Sample ID 		Sample
Site 		Facility Chlorine
Residual 		Received
Date
May 08, 2023 1RT Total Absent 23-499-2 DIST-A 0.53May 10, 2023
May 08, 2023 1RT Total Absent 23-499-1 DIST-A 0.53May 10, 2023
May 08, 2023 1AS Total Absent 23-498 L-41162 SRC-AA May 10, 2023
Apr 24, 2023 1SP Total Absent 23-464 HOST FAUCET DIST-A 0.49Apr 26, 2023
Apr 17, 2023 1RT Total Absent 23-415 DIST-A 0.76Apr 19, 2023
Apr 10, 2023 1RT Total Absent 23-385 DIST-A 0.67Apr 12, 2023
Apr 10, 2023 1RT Total Absent 23-383 DIST-A 0.67Apr 12, 2023
Mar 13, 2023 1RT Total Absent 23-250-3 DIST-A 0.51Mar 15, 2023
Mar 13, 2023 1RT Total Absent 23-250-2 DIST-A 0.51Mar 15, 2023
Mar 13, 2023 1RT Total Absent 23-250-1 DIST-A 0.51Mar 15, 2023
Jan 09, 2023 1RT Total Absent 23-35-3 DIST-A 0.53Jan 11, 2023
Jan 09, 2023 1RT Total Absent 23-35-2 DIST-A 0.53Jan 11, 2023
Jan 09, 2023 1RT Total Absent 23-35-1 DIST-A 0.53Jan 11, 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  ::  Show rejected samples  ::  Include results older than 2023


More information for this water system: SDWIS ID 3102
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