OHA Drinking Water Services
OR41
PWS ID: 05108 ---- TROLLERS COVE WATER ASSN
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
Mar 09, 2026 1RP Total Absent 177-2620-3 177-2579-1 11144 E STEELHEAD PL, KITCHEN FAUCET, REPEAT DIST-A 1.00Mar 10, 2026
RP E. coli Absent 177-2620-3 177-2579-1 11144 E STEELHEAD PL, KITCHEN FAUCET, REPEAT DIST-A 1.00
Mar 09, 2026 1RP Total Absent 177-2620-2 177-2579-1 11182 E STEELHEAD PL, KITCHEN FAUCET, REPEAT DIST-A 1.00Mar 10, 2026
RP E. coli Absent 177-2620-2 177-2579-1 11182 E STEELHEAD PL, KITCHEN FAUCET, REPEAT DIST-A 1.00
Mar 09, 2026 1RP Total Absent 177-2620-1 177-2579-1 11230 E STEELHEAD PL, KITCHEN FAUCET, REPEAT DIST-A 1.00Mar 10, 2026
RP E. coli Absent 177-2620-1 177-2579-1 11230 E STEELHEAD PL, KITCHEN FAUCET, REPEAT DIST-A 1.00
Mar 04, 2026 1RT Total POSITIVE 177-2579-1 11230 E STEELHEAD PL, DIST-A DIST-A 1.20Mar 05, 2026
RT E. coli Absent 177-2579-1 11230 E STEELHEAD PL, DIST-A DIST-A 1.20
Feb 04, 2026 1RT Total Absent 177-2236-1 11230 E STEELHEAD PL, DIST-A DIST-A 1.20Mar 05, 2026
RT E. coli Absent 177-2236-1 11230 E STEELHEAD PL, DIST-A DIST-A 1.20
Jan 07, 2026 1RT Total Absent 177-1928-1 11225 E STEELHEAD PL, PLANT FAUCET, DISTRIBUTION DIST-A 1.30Jan 27, 2026
RT E. coli Absent 177-1928-1 11225 E STEELHEAD PL, PLANT FAUCET, DISTRIBUTION DIST-A 1.30
Dec 03, 2025 1RT Total Absent 177-1588-1 11225 E STEELHEAD PL, PLANT FAUCET DIST-A 2.60Dec 07, 2025
RT E. coli Absent 177-1588-1 11225 E STEELHEAD PL, PLANT FAUCET DIST-A 2.60
Nov 05, 2025 1RT Total Absent 177-1276-1 11225 E STEELHEAD PLACE, PLANT FAUCET RT COLIFORM DIST-A 0.60Nov 09, 2025
RT E. coli Absent 177-1276-1 11225 E STEELHEAD PLACE, PLANT FAUCET RT COLIFORM DIST-A 0.60
Oct 01, 2025 1RT Total Absent 177-898-1 TROLLERS COVE - 11225 E STEELHEAD PL - PLANT FAUCET DIST-A 1.20Nov 09, 2025
RT E. coli Absent 177-898-1 TROLLERS COVE - 11225 E STEELHEAD PL - PLANT FAUCET DIST-A 1.20
Sep 03, 2025 1RT Total Absent 177-543-1 DIST-A, TROLLERS COVE, PLANT FAUCET DIST-A 1.90Sep 27, 2025
RT E. coli Absent 177-543-1 DIST-A, TROLLERS COVE, PLANT FAUCET DIST-A 1.90
Sample
Date
#
Samples
Sample
Type
Coliform
Type
Result Sample
ID
Repeat of
Sample ID
Sample
Site
Facility Chlorine
Residual
Received
Date
Aug 13, 2025 1AS Total POSITIVE 177-228-1 CH-A, PLANT FAUCET RT CH-A Sep 08, 2025
AS E. coli POSITIVE 177-228-1 CH-A, PLANT FAUCET RT CH-A
Aug 06, 2025 1RT Total Absent 177-122-1 11225 E STEELHEAD PL., DIST-A DIST-A 1.80Sep 08, 2025
RT E. coli Absent 177-122-1 11225 E STEELHEAD PL., DIST-A DIST-A 1.80
Jul 02, 2025 1RT Total Absent 25-41260 DIST-A 1.90Jul 09, 2025
Jun 03, 2025 1RT Total Absent 25-34627 DIST-A 1.30Jun 06, 2025
May 21, 2025 1RT Total Absent 25-31602 DIST-A 0.30May 23, 2025
Apr 29, 2025 1RT Total Absent 25-25902 DIST-A 0.80May 02, 2025



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