OHA Drinking Water Services
OR41
PWS ID: 00839 ---- RAINBOW WATER DISTRICT
Coliform Summary History

Note: Samples for a given monitoring period are due 10 days after period end date. Therefore the most recent monitoring periods may show zero samples reported. This does not mean the water system is out of compliance.

Number of Samples Reported
Abbreviations: TC+: Total Coliform Positive, EC+: E. Coli Positive
Include results older than 2023
Period End Date Routines Required Routines Reported Routine TC+ Routine EC+ Repeats Reported Repeat TC+ Repeat EC+ Period Type
Mar 31, 2026 7 200000MN
Feb 28, 2026 7 800000MN
Jan 31, 2026 7 800000MN
Dec 31, 2025 7 1000000MN
Nov 30, 2025 7 800000MN
Oct 31, 2025 7 800000MN
Sep 30, 2025 7 800000MN
Aug 31, 2025 7 900000MN
Jul 31, 2025 7 800000MN
Jun 30, 2025 7 800000MN
May 31, 2025 7 800000MN
Apr 30, 2025 7 800000MN
Mar 31, 2025 7 800000MN
Feb 28, 2025 7 800000MN
Jan 31, 2025 7 800000MN
Dec 31, 2024 7 800000MN
Nov 30, 2024 7 800000MN
Oct 31, 2024 7 800000MN
Sep 30, 2024 7 800000MN
Aug 31, 2024 7 800000MN
Jul 31, 2024 7 800000MN
Jun 30, 2024 7 800000MN
May 31, 2024 7 800000MN
Apr 30, 2024 7 1000000MN
Mar 31, 2024 7 800000MN
Feb 29, 2024 7 800000MN
Jan 31, 2024 7 800000MN
Dec 31, 2023 7 800000MN
Nov 30, 2023 7 800000MN
Oct 31, 2023 7 800000MN
Sep 30, 2023 7 800000MN
Aug 31, 2023 7 800000MN
Jul 31, 2023 7 800000MN
Jun 30, 2023 7 800000MN
May 31, 2023 7 800000MN
Apr 30, 2023 7 800000MN
Mar 31, 2023 7 800000MN
Feb 28, 2023 7 800000MN
Jan 31, 2023 7 800000MN
Include results older than 2023