OHA Drinking Water Services
OR41
PWS ID: 93720 ---- OREGON TRAIL SD - KELSO ELEM
Coliform Batches

Samples in SDWIS

Sample
Date		 Sample
ID		 Batch
ID		 Sample
Type		 Submission
Method
Oct 28, 2025 25-013019-0001 44843 R P
Jul 22, 2025 25-008287-0001 44487 R P
Apr 28, 2025 25-004422-0001 44233 R P
Jan 28, 2025 25_000981_0001 43962 R E
Nov 26, 2024 24_013357_0001 43701 R E
Aug 27, 2024 24_009486_0001 43354 R E
Jun 05, 2024 24_006151_0001 42971 R E
Feb 22, 2024 24_001909_0001 42500 R E
Oct 05, 2023 23_011872_0001 41910 R E
Aug 31, 2023 23_010354_0001 41719 R E
May 25, 2023 23_006233_0001 41280 R E
Mar 29, 2023 1354-01 41038 R P



More information for this water system: SDWIS ID 1424
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