OHA Drinking Water Services
OR41
PWS ID: 01186 ---- GRAHAM WATER ASSOCIATION
Coliform Batches

Samples in SDWIS

Sample
Date
Sample
ID
Batch
ID
Sample
Type
Submission
Method
Jan 07, 2026 6007035-01 45106 R E
Oct 08, 2025 5281053-01 44790 R E
Jul 09, 2025 5190057-01 44442 R E
Apr 09, 2025 5099076-01 44189 R E
Jan 08, 2025 5008090-01 43902 R E
Oct 02, 2024 4276056-01 43512 R E
Jul 10, 2024 4192052-01 43159 R E
Apr 03, 2024 4094054-01 42674 R E
Jan 03, 2024 4003069-01 42317 R E
Oct 11, 2023 3284046-01 41984 R E
Jul 12, 2023 3193063-01 41520 R E
Apr 12, 2023 3102041-01 41086 R E