OHA Drinking Water Services
OR41
PWS ID: 00338 ---- GRAND RONDE COMMUNITY WTR ASSN
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:  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
Dec 02, 2025 1RT Total Absent 20251202032 YAMHILL RIVER RD SS DIST-A Dec 10, 2025
Dec 02, 2025 1RT Total Absent 20251202031 WILLAMINA CR RD SS DIST-A Dec 10, 2025
Nov 18, 2025 1RT Total Absent 20251118024 26690 SALMON RIVER H DIST-A Nov 26, 2025
Nov 18, 2025 1RT Total Absent 20251118023 YAMHILL RIVER RD SS DIST-A Nov 26, 2025
Oct 14, 2025 1RT Total Absent 20251014-029-2 DIST-A Oct 21, 2025
Oct 14, 2025 1RT Total Absent 20251014-029-1 DIST-A Oct 21, 2025
Oct 14, 2025 1RT Total Absent 20251014030 WILLAMINIA CR RD SS DIST-A Oct 21, 2025
Oct 14, 2025 1RT Total Absent 20251014029 YAMHILL RIVER RD SS DIST-A Oct 21, 2025
Sep 10, 2025 1RT Total Absent 20250910026 YAMHILL RIVER RD DIST-A Sep 22, 2025
Sep 10, 2025 1RT Total Absent 20250910025 HEBO PS DIST-A Sep 22, 2025
Sep 10, 2025 1RT Total Absent 20250910-025-2 DIST-A Sep 19, 2025
Sep 10, 2025 1RT Total Absent 20250910-025-1 DIST-A Sep 19, 2025
Aug 18, 2025 1RT Total Absent 20250818021 HEBO PS DIST-A Aug 28, 2025
Aug 18, 2025 1RT Total Absent 20250818020 26690 SALMON RIVER DIST-A Aug 28, 2025
Jul 14, 2025 1RT Total Absent 20250714020 YAMHILL RIVER RD DIST-A Jul 24, 2025
Jul 14, 2025 1RT Total Absent 20250714019 WILLAMINA CR RD DIST-A Jul 24, 2025
Jun 11, 2025 1RT Total Absent 20250611-020-2 DIST-A Jul 03, 2025
Jun 11, 2025 1RT Total Absent 20250611-020-1 DIST-A Jul 03, 2025
Jun 11, 2025 1RT Total Absent 20250611021 HEBO DIST-A Jun 20, 2025
Jun 11, 2025 1RT Total Absent 20250611020 YAMHILL RIVER RD DIST-A Jun 20, 2025
Sample
Date 		#
Samples 		Sample
Type 		Coliform
Type 		Result Sample
ID 		Repeat of
Sample ID 		Sample
Site 		Facility Chlorine
Residual 		Received
Date
May 20, 2025 1RT Total Absent 20250520-018-2 DIST-A Jun 12, 2025
May 20, 2025 1RT Total Absent 20250520-018-1 DIST-A Jun 12, 2025
May 20, 2025 1RT Total Absent 20250520019 HEBO PS DIST-A Jun 05, 2025
May 20, 2025 1RT Total Absent 20250520018 26690 SALMON RIVER H DIST-A Jun 05, 2025
Apr 16, 2025 1RT Total Absent 20250416-030-2 DIST-A Apr 28, 2025
Apr 16, 2025 1RT Total Absent 20250416-030-1 DIST-A Apr 28, 2025
Apr 16, 2025 1RT Total Absent 20250416031 WILLAMINA CR RD DIST-A Apr 24, 2025
Apr 16, 2025 1RT Total Absent 20250416030 YAMHILL RIVER RD DIST-A Apr 24, 2025
Mar 05, 2025 1RT Total Absent 20250305028 HEBO PS DIST-A Mar 13, 2025
Mar 05, 2025 1RT Total Absent 20250305027 26690 SALMON RIVER DIST-A Mar 13, 2025
Feb 07, 2025 1RT Total Absent 20250207014 WILLAMINA CR RD DIST-A Feb 21, 2025
Feb 07, 2025 1RT Total Absent 20250207013 YAMHILL RIVER RD DIST-A Feb 21, 2025
Jan 09, 2025 1RT Total Absent 20250109010 HEBO PS DIST-A Jan 17, 2025
Jan 09, 2025 1RT Total Absent 20250109009 WILLAMINA CR RD DIST-A Jan 17, 2025
Dec 02, 2024 1RT Total Absent 20241202020 26690 SALMON RIVER DIST-A Dec 12, 2024
Dec 02, 2024 1RT Total Absent 20241202019 YAMHILL RIVER RD DIST-A Dec 12, 2024
Nov 15, 2024 1RT Total Absent 20241115003 YAMHILL RIVER RD DIST-A Nov 27, 2024
Nov 15, 2024 1RT Total Absent 20241115002 WILLAMINA CR RD DIST-A Nov 27, 2024
Oct 03, 2024 1RT Total Absent 20241003020 HEBO PS DIST-A Oct 23, 2024
Oct 03, 2024 1RT Total Absent 20241003019 YAMHILL RIVER RD DIST-A Oct 23, 2024
Sample
Date 		#
Samples 		Sample
Type 		Coliform
Type 		Result Sample
ID 		Repeat of
Sample ID 		Sample
Site 		Facility Chlorine
Residual 		Received
Date
Sep 19, 2024 1RT Total Absent 20240919009 26690 SALMON RIVER DIST-A Sep 27, 2024
Sep 19, 2024 1RT Total Absent 20240919008 HEBO PS DIST-A Sep 27, 2024
Aug 15, 2024 1RT Total Absent 20240815007 YAMHILL RIVER RD DIST-A Aug 26, 2024
Aug 15, 2024 1RT Total Absent 20240815006 HEBO PS DIST-A Aug 26, 2024
Jul 15, 2024 1RT Total Absent 20240715070 26690 SALMON RIVER DIST-A Jul 31, 2024
Jul 15, 2024 1RT Total Absent 20240715069 YAMHILL RIVER RD DIST-A Jul 31, 2024
Jun 06, 2024 1RT Total Absent 20240606013 YAMHILL RIVER RD DIST-A Jun 19, 2024
Jun 06, 2024 1RT Total Absent 20240606012 HEBO PS DIST-A Jun 19, 2024
May 14, 2024 1RT Total Absent 20240514017 WILLAMINA CR RD DIST-A May 22, 2024
May 14, 2024 1RT Total Absent 20240514016 26690 SALMON RIVER DIST-A May 22, 2024
Apr 02, 2024 1RT Total Absent 20240402024 HEBO PS DIST-A Apr 12, 2024
Apr 02, 2024 1RT Total Absent 20240402023 YAMHILL RIVER RD DIST-A Apr 12, 2024
Apr 02, 2024 1RT Total Absent 20240402-023-2 DIST-A Apr 11, 2024
Apr 02, 2024 1RT Total Absent 20240402-023-1 DIST-A Apr 11, 2024
Mar 12, 2024 1RT Total Absent 20240312023 WILLAMINA CR RD DIST-A Mar 19, 2024
Mar 12, 2024 1RT Total Absent 20240312022 26690 SALMON RIVER DIST-A Mar 19, 2024
Mar 12, 2024 1RT Total Absent 20240312-022-2 DIST-A Mar 18, 2024
Mar 12, 2024 1RT Total Absent 20240312-022-1 DIST-A Mar 18, 2024
Feb 06, 2024 1RT Total Absent 20240206041 YAMHILL RIVER RD DIST-A Feb 14, 2024
Feb 06, 2024 1RT Total Absent 20240206040 HEBO PS DIST-A Feb 14, 2024
Sample
Date 		#
Samples 		Sample
Type 		Coliform
Type 		Result Sample
ID 		Repeat of
Sample ID 		Sample
Site 		Facility Chlorine
Residual 		Received
Date
Jan 05, 2024 1RT Total Absent 20240105005 YAMHILL RIVER RD DIST-A Jan 18, 2024
Jan 05, 2024 1RT Total Absent 20240105004 26690 SALMON R HWY DIST-A Jan 18, 2024
Dec 08, 2023 1RT Total Absent 20231208012 HEBO PS DIST-A Dec 19, 2023
Dec 08, 2023 1RT Total Absent 20231208011-2 DIST-A Dec 19, 2023
Dec 08, 2023 1RT Total Absent 20231208011-1 DIST-A Dec 19, 2023
Nov 13, 2023 1RT Total Absent 20231113010 26690 SALMON RIVER DIST-A Nov 20, 2023
Nov 13, 2023 1RT Total Absent 20231113009 HEBO SAMPLE STATION DIST-A Nov 20, 2023
Oct 19, 2023 1RT Total Absent 20231019005 YAMHILL RIVER RD DIST-A Oct 25, 2023
Oct 19, 2023 1RT Total Absent 20231019004 26690 SALMON RIVER H DIST-A Oct 25, 2023
Sep 26, 2023 1TG Total POSITIVE 20230926-017 20230922-003 SPRING C SRC-AG Sep 27, 2023
TG E. coli Absent 20230926-017 20230922-003 SPRING C SRC-AG
Sep 26, 2023 1TG Total POSITIVE 20230926-016 20230922-003 SPRINGS SRC-AF Sep 27, 2023
TG E. coli Absent 20230926-016 20230922-003 SPRINGS SRC-AF
Sep 26, 2023 1TG Total POSITIVE 20230926-015 20230922-003 SPRING SRC-AE Sep 27, 2023
TG E. coli Absent 20230926-015 20230922-003 SPRING SRC-AE
Sep 26, 2023 1TG Total Absent 20230926-014 20230922-003 SPRINGS CH-A Sep 27, 2023
Sep 22, 2023 1RT Total POSITIVE 20230922-004 HEBO PS SAMPLE TAP DIST-A Sep 25, 2023
RT E. coli Absent 20230922-004 HEBO PS SAMPLE TAP DIST-A
Sep 22, 2023 1RT Total POSITIVE 20230922-003 YAMHILL RIVER RD DIST-A Sep 25, 2023
RT E. coli Absent 20230922-003 YAMHILL RIVER RD DIST-A
Sample
Date 		#
Samples 		Sample
Type 		Coliform
Type 		Result Sample
ID 		Repeat of
Sample ID 		Sample
Site 		Facility Chlorine
Residual 		Received
Date
Aug 02, 2023 1RT Total Absent 20230802012 YAMHILL R RD DIST-A Aug 11, 2023
Aug 02, 2023 1RT Total Absent 20230802011 26690 SALMON R HWY DIST-A Aug 11, 2023
Jul 18, 2023 1RT Total Absent 20230718031 YAMHILL RIVER RD DIST-A Aug 07, 2023
Jul 18, 2023 1RT Total Absent 20230718030 HEBO PS DIST-A Aug 07, 2023
Jul 18, 2023 1RT Total Absent 20230718-030-2 DIST-A Jul 27, 2023
Jul 18, 2023 1RT Total Absent 20230718-030-1 DIST-A Jul 27, 2023
Jun 19, 2023 1RT Total Absent 20230619019 WILLAMINA CR RD DIST-A Jun 29, 2023
Jun 19, 2023 1RT Total Absent 20230619018 YAMHILL RIVER RD DIST-A Jun 29, 2023
May 01, 2023 1RT Total Absent 20230501024 YAMHILL RIVER RD SS DIST-A May 12, 2023
May 01, 2023 1RT Total Absent 20230501023 26690 SALMON R HWY DIST-A May 12, 2023
Apr 14, 2023 1RT Total Absent 20230414011 26690 SALMON RIVER DIST-A Apr 28, 2023
Apr 14, 2023 1RT Total Absent 20230414010 WILLIAMINA CR RD DIST-A Apr 28, 2023
Mar 14, 2023 1RT Total Absent 20230314025 26690 SALMON RIVER H DIST-A Mar 21, 2023
Mar 14, 2023 1RT Total Absent 20230314024 HEBO PS SAMPLE TAP DIST-A Mar 21, 2023
Feb 09, 2023 1RT Total Absent 20230209011 HEBO PS DIST-A Feb 21, 2023
Feb 09, 2023 1RT Total Absent 20230209010 WILLIAMINA CR RD DIST-A Feb 21, 2023
Jan 25, 2023 1RT Total Absent 20230125012 HEBO PS DIST-A Feb 06, 2023
Jan 25, 2023 1RT Total Absent 20230125011 26690 SALMON RIVER DIST-A Feb 06, 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:  Hide special samples  ::  Show rejected samples  ::  Include results older than 2023


More information for this water system: SDWIS ID 3310
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