OHA Drinking Water Services
OR41
PWS ID: 91998 ---- NPS OREGON CAVES NATL MON
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  ::  Hide 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		Rejected
Reason
Feb 03, 2026 1RT Total Absent 22600330AA OCVC FAUCET DIST-A 2.77Feb 10, 2026
Jan 06, 2026 1RT Total Absent 22600032AA OCVC FAUCET DIST-A 2.21Jan 09, 2026
Dec 16, 2025 1RT Total Absent 22504516AA OCVC FAUCET DIST-A 2.30Dec 30, 2025
Dec 02, 2025 1RT Total Absent 22504289AA OCVC FAUCET DIST-A 2.71Dec 09, 2025
Nov 18, 2025 1RT Total Absent 22504148AA OCVC FAUCET DIST-A 3.02Nov 24, 2025
Nov 06, 2025 1RT Total Absent 22504057AA OCVC FAUCET DIST-A 2.25Nov 10, 2025
Oct 21, 2025 1RT Total Absent 22503815AA OCVC SINK DIST-A 2.20Oct 28, 2025
Oct 07, 2025 1RT Total Absent 22503629AA OCVC FAUCET DIST-A 3.10Oct 14, 2025
Sep 16, 2025 1RT Total Absent 22503291AA OCVC FAUCET DIST-A 2.33Sep 30, 2025
Sep 04, 2025 1RT Total Absent 22503127AA OCVC FAUCET DIST-A 2.45Sep 10, 2025
Aug 19, 2025 1RT Total Absent 22502891AA OCVC FAUCET DIST-A 1.56Sep 03, 2025
Aug 05, 2025 1RT Total Absent 22502652AA OCVC FAUCET DIST-A 1.81Aug 18, 2025
Jul 15, 2025 1RT Total Absent 22502392AA OCVC FAUCET DIST-A 1.33Jul 25, 2025
Jul 02, 2025 1RT Total Absent 22502230AA CHALET FAUCET DIST-A 2.03Jul 09, 2025
Jun 17, 2025 1RT Total Absent 22501980AA OCVC FAUCET DIST-A 1.49Jun 20, 2025
Jun 03, 2025 1RT Total Absent 22501731AA OCVC FAUCET DIST-A 1.49Jun 04, 2025
May 22, 2025 1RT Total Absent 22501625AA OCVC FAUCET DIST-A 1.37Jun 02, 2025
May 08, 2025 1RT Total Absent 22501459AA OCVC FAUCET DIST-A 1.96May 16, 2025
Apr 15, 2025 1RT Total Absent 22501189AA OCVC FAUCET DIST-A 1.98Apr 25, 2025
Apr 02, 2025 1RT Total Absent 22501024AA OCVC FAUCET DIST-A 1.51Apr 09, 2025
Sample
Date 		#
Samples 		Sample
Type 		Coliform
Type 		Result Sample
ID 		Repeat of
Sample ID 		Sample
Site 		Facility Chlorine
Residual 		Received
Date		Rejected
Reason
Mar 19, 2025 1RT Total Absent 22500863AA OCVC FAUCET DIST-A 1.80Mar 20, 2025
Mar 04, 2025 1RT Total Absent 22500634AA OCYC FAUCET DIST-A 1.50Mar 12, 2025
Feb 20, 2025 1RT Total Absent 22500538AA OCYC DIST-A 1.60Mar 03, 2025
Feb 10, 2025 1RT Total Absent 22500440AA OCVC FAUCET DIST-A 1.50Feb 14, 2025
Jan 21, 2025 1RT Total Absent 22500225AA OCVC FAUCET DIST-A 1.50Jan 22, 2025
Jan 07, 2025 1RT Total Absent 22500079AA OCVC FAUCET DIST-A 1.12Jan 09, 2025
Dec 17, 2024 1RT Total Absent 22404292AA OCVC FAUCET DIST-A 2.30Dec 26, 2024
Dec 03, 2024 1RT Total Absent 22404091AA KIOSK SINK DIST-A 1.37Dec 04, 2024
Nov 19, 2024 1RT Total Absent 22403932AA OCVC FAUCET DIST-A 1.35Nov 25, 2024
Nov 04, 2024 1RT Total Absent 22403768AA CHALET FAUCET DIST-A 1.15Nov 05, 2024
Oct 17, 2024 1RT Total Absent 22403608AA OCVC FAUCET DIST-A 1.65Oct 30, 2024
Oct 01, 2024 1RT Total Absent 22403355AA OCVC FAUCET DIST-A 1.65Oct 10, 2024
Sep 17, 2024 1RT Total Absent 22403190AA OCVC FAUCET DIST-A 1.48Sep 26, 2024
Sep 03, 2024 1RT Total Absent 22402983AA OCVC FAUCET DIST-A 1.73Sep 10, 2024
Aug 20, 2024 1RT Total Absent 22402858AA OLVC FAUCET DIST-A 1.32Aug 21, 2024
Aug 06, 2024 1RT Total Absent 22402642AA OCVC FAUCET DIST-A 1.75Aug 21, 2024
Jul 16, 2024 1RT Total Absent 22402402AA OCVC FAUCET DIST-A 1.28Jul 22, 2024
Jul 02, 2024 1RT Total Absent 22402218AA OCVC FAUCET DIST-A 1.50Jul 10, 2024
Jun 18, 2024 1RT Total Absent 22402044AA OCVC DIST-A 1.50Jun 27, 2024
Jun 04, 2024 1RT Total Absent 22401812AA OCVC FAUCET DIST-A 1.50Jun 07, 2024
Sample
Date 		#
Samples 		Sample
Type 		Coliform
Type 		Result Sample
ID 		Repeat of
Sample ID 		Sample
Site 		Facility Chlorine
Residual 		Received
Date		Rejected
Reason
May 21, 2024 1RT Total Absent 22401649AA OCVC FAUCET DIST-A 1.50May 22, 2024
May 07, 2024 1RT Total Absent 22401460AA VISITOR CENTER DIST-A 1.50May 22, 2024
Apr 23, 2024 1RT Total Absent 22401308AA VISITOR CENTER DIST-A 1.50Apr 25, 2024
Apr 02, 2024 1RT Total Absent 22401039AA CHALET OCVC DIST-A 1.50Apr 11, 2024
Mar 19, 2024 1RT Total Absent 22400863AA CHALET OCVC DIST-A 1.50Apr 02, 2024
Mar 12, 2024 1RT Total Absent 22400792AA CHALET VISITOR CENTER DIST-A 1.50Apr 02, 2024
Feb 20, 2024 1RT Total Absent 22400626AA OCVC FAUCET DIST-A 1.50Feb 27, 2024
Feb 06, 2024 1RT Total Absent 22400484AA OCVC FAUCET DIST-A 1.50Feb 08, 2024
Jan 03, 2024 1RT Total Absent 22400015AA OCVC FAUCET DIST-A 0.89Jan 10, 2024
Dec 19, 2023 1RT Total Absent 22304346AA VISITOR CENTER DIST-A 1.40Dec 21, 2023
Dec 06, 2023 1RT Total Absent 22304214AA OCVC FAUCET DIST-A 1.20Dec 12, 2023
Nov 21, 2023 1RT Total Absent 22304017AA VISITOR CENTER DIST-A 1.25Nov 28, 2023
Nov 07, 2023 1RT Total Absent 22303870AA CHALET OC VC DIST-A 1.50Nov 28, 2023
Oct 17, 2023 1RT Total Absent 22303616AA OCVC FAUCET DIST-A 1.80Oct 18, 2023
Oct 03, 2023 1RT Total Absent 22303421AA VISITOR CENTER DIST-A 1.20Oct 17, 2023
Sep 19, 2023 1RT Total Absent 22303235AA OCYC FAUCET DIST-A 1.50Sep 20, 2023
Sep 05, 2023 1RT Total Absent 22303006AA VISITOR CENTER DIST-A 1.50Sep 08, 2023
Aug 15, 2023 1RT Total Absent 22302787AA OCVC FAUCET DIST-A 1.50Aug 30, 2023
Aug 01, 2023 1RT Total Absent 22302535AA OCYC FAUCET DIST-A 1.50Aug 04, 2023
Jul 21, 2023 1RT Total Absent 22302406AA OCVC FAUCET DIST-A 1.06Jul 24, 2023
Sample
Date 		#
Samples 		Sample
Type 		Coliform
Type 		Result Sample
ID 		Repeat of
Sample ID 		Sample
Site 		Facility Chlorine
Residual 		Received
Date		Rejected
Reason
Jul 07, 2023 1RT Total Absent 22302214AA CHALET FAUCET DIST-A 1.00Jul 14, 2023
Jun 23, 2023 1RT Total Absent 22302069AA CHALET VISITOR CENTER DIST-A 1.50Jun 29, 2023
Jun 09, 2023 1RT Total Absent 22301847AA VISITOR CENTER FAUCET DIST-A 1.00Jun 20, 2023
May 16, 2023 1RT Total Absent 22301501AA CHALET - VISITOR CENTER FAUCET DIST-A 1.50May 22, 2023
May 02, 2023 1RT Total Absent 22301316AA CHALET - INSIDE FAUCET DIST-A 1.50May 05, 2023
Apr 18, 2023 1RT Total Absent 22301171AA 2ND FLOOR WOMENS RESTROOM SINK DIST-A 1.30Apr 24, 2023
Apr 04, 2023 1RT Total Absent 22300979AA CHALET FAUCET DIST-A 0.50Apr 07, 2023
Mar 14, 2023 1RT Total POSITIVE 22300753AA VISITOR CENTER FAUCET DIST-A 1.00Mar 15, 2023
RT E. coli POSITIVE 22300753AA VISITOR CENTER FAUCET DIST-A 1.00
Feb 21, 2023 1RT Total Absent 22300540AA CHALET INSIDE FAUCET DIST-A 1.00Feb 27, 2023
Feb 07, 2023 1RT Total Absent 22300416AA CHALET - NHA SINK DIST-A 1.07Feb 15, 2023
Jan 31, 2023 1RT Total Absent 22300345AA CHALET - NHA SINK DIST-A 1.10Feb 15, 2023
Jan 20, 2023 1RT Total Absent 22300201AA CHALET - NHA DIST-A 1.00Jan 23, 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  ::  Hide rejected samples  ::  Include results older than 2023


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