OHA Drinking Water Services
OR41
PWS ID: 94328 ---- KNIFE RIVER - NW TANGENT
Coliform Batches

Samples in SDWIS

Sample
Date		 Sample
ID		 Batch
ID		 Sample
Type		 Submission
Method
Oct 28, 2025 20251028-017 44843 A P
Oct 28, 2025 20251028-018 44843 R P
Oct 28, 2025 20251028017 44848 A E
Oct 28, 2025 20251028018 44848 R E
Oct 28, 2025 20251028019 44848 R E
Jul 29, 2025 20250729-002 44514 R P
Jul 29, 2025 20250729-003 44514 R P
Jul 29, 2025 20250729002 44505 R E
Jul 29, 2025 20250729003 44505 R E
Apr 22, 2025 20250422-019 44227 R P
Apr 22, 2025 20250422-020 44227 R P
Apr 22, 2025 20250422019 44239 R E
Apr 22, 2025 20250422020 44239 R E
Jan 28, 2025 20250128-003 43933 R P
Jan 28, 2025 20250128003 43958 R E
Jan 28, 2025 20250128004 43958 R E
Oct 09, 2024 20241009-005 43523 R P
Oct 09, 2024 20241009-006 43523 R P
Oct 09, 2024 20241009005 43546 R E
Oct 09, 2024 20241009006 43546 R E
Aug 06, 2024 20240806-056 43254 R P
Aug 06, 2024 20240806-057 43254 R P
Aug 06, 2024 20240806-058 43254 A P
Aug 06, 2024 20240806056 43262 R E
Aug 06, 2024 20240806057 43262 R E
Aug 06, 2024 20240806058 43262 A E
Apr 10, 2024 20240410-021 42724 R P
Apr 10, 2024 20240410021 42749 R E
Apr 10, 2024 20240410022 42749 R E
Jan 24, 2024 20240124-001 42377 R P
Jan 24, 2024 20240124001 42398 R E
Jan 24, 2024 20240124002 42398 R E
Dec 08, 2023 20231208002 42215 A E
Nov 01, 2023 20231101-023 42013 R P
Nov 01, 2023 20231101-024 42013 R P
Nov 01, 2023 20231101023 42050 R E
Nov 01, 2023 20231101024 42050 R E
Jul 17, 2023 20230717-065 41512 R P
Jul 17, 2023 20230717-066 41512 R P
Jul 17, 2023 20230717065 41527 R E
Jul 17, 2023 20230717066 41527 R E
Apr 26, 2023 20230426-138 41159 R P
Apr 26, 2023 20230426138 41184 R E
Apr 26, 2023 20230426139 41184 R E
Jan 05, 2023 20230105-043 40747 R P
Jan 05, 2023 20230105-044 40747 R P
Jan 05, 2023 20230105043 40748 R E
Jan 05, 2023 20230105044 40748 R E



More information for this water system: SDWIS ID 1717
System Info  ::  Report for Lenders  ::  Alerts  ::  Violations  ::  Compliance & Enforcement  ::  Contacts & Advisories  ::  Site Visits  ::  Public Notice
Coliform Summary  ::  Coliform Results  ::  Coliform Schedules  ::  LT2  ::  GW/GWUDI Source Details  ::  Plan Review  ::  Annual Fee
Chemical Summary  ::  Chemical Results  ::  Chemical Schedules  ::  Chemical Schedule Summary  ::  Arsenic RAA  ::  Cyanotoxins  ::  PFAS
Lead & Copper  ::  DBP Sample Sites  ::  FANLs  ::  MRDL  ::  GWR 4-Log  ::  Turbidity  ::  SWTR  ::  LRAA  ::  DW Source Protection
Information for all water systems:
Water System Inventory  ::  Water System Surveys  ::  Outstanding Performers  ::  Treatment Plant Inspections  ::  Treatment  ::  Plan Reviews
Alerts  ::  Violations  ::  Compliance & Enforcement  ::  Deficiencies  ::  System Scores  ::  Exceedances  ::  Public Notices  ::  Service Lines
Water Advisories  ::  Contact Reports  ::  Cyanotoxins  ::  PFAS  ::  Post-wildfire VOCs  ::  Fluoride  ::  Certification List  ::  DW Source Protection
Main menu:
Introduction  ::  Data Search Options  ::  Water System Search  ::  DWS Home  ::  DWS Rules
Need help? Email Drinking Water Services for assistance.Staff/Partner Login