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:  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
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
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
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
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:  Show special samples  ::  Show rejected samples  ::  Include results older than 2023


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