OHA Drinking Water Services
OR41
PWS ID: 05299 ---- WAPANITIA IMPROVEMENT ASSN
Maximum Residual Disinfection Level (MRDL) Samples
MRDL Monitoring Requirements :: Excel Spreadsheet

Monitoring
Period
Entry
Point
Samples
Required
Samples
Collected
Period
Avg
Annual
Avg
Level
Compliance
Feb 01, 2026 DIST-A 1 1 0.19 0.2Y
Jan 01, 2026 DIST-A 1 1 0.21 0.2Y
Dec 01, 2025 DIST-A 1 1 0.24 0.2Y
Nov 01, 2025 DIST-A 1 1 0.24 0.2Y
Oct 01, 2025 DIST-A 1 1 0.2 0.2Y
Sep 01, 2025 DIST-A 1 1 0.22 0.2Y
Aug 01, 2025 DIST-A 1 1 0.2 0.2Y
Jul 01, 2025 DIST-A 1 1 0.25 0.2Y
Jun 01, 2025 DIST-A 1 1 0.22 0.2Y
May 01, 2025 DIST-A 1 1 0.25 0.2Y
Apr 01, 2025 DIST-A 1 1 0.2 0Y
Mar 01, 2025 DIST-A 1 1 0.22 0Y
Feb 01, 2025 DIST-A 1 1 0.24 0Y
Jan 01, 2025 DIST-A 1 1 0.25 0Y
Dec 01, 2024 DIST-A 1 1 0.23 0Y
Nov 01, 2024 DIST-A 1 1 0.2 0Y
Oct 01, 2024 DIST-A 1 1 0.22 0Y
Sep 01, 2024 DIST-A 1 1 0.22 0Y
Aug 01, 2024 DIST-A 1 1 0.24 0Y
Jul 01, 2024 DIST-A 1 1 0.21 0Y
Jun 01, 2024 DIST-A 1 1 0.2 0Y
May 01, 2024 DIST-A 1 1 0.28 0Y
Apr 01, 2024 DIST-A 1 1 0.27 0Y
Mar 01, 2024 DIST-A 1 1 0.26 0Y
Feb 01, 2024 DIST-A 1 1 0.49 0Y
Jan 01, 2024 DIST-A 1 1 0.22 0Y
Dec 01, 2023 DIST-A 1 1 0.32 0Y
Nov 01, 2023 DIST-A 1 1 0.29 0Y
Oct 01, 2023 DIST-A 1 1 0.28 0Y
Sep 01, 2023 DIST-A 1 1 0.25 0Y
Aug 01, 2023 DIST-A 1 1 0.27 0Y
Jul 01, 2023 DIST-A 1 1 0.3 0Y
Jun 01, 2023 DIST-A 1 1 0.29 0Y
May 01, 2023 DIST-A 1 1 0.29 0Y
Apr 01, 2023 DIST-A 1 1 0.27 0Y
Mar 01, 2023 DIST-A 1 1 0.29 0Y
Feb 01, 2023 DIST-A 1 1 0.28 0Y
Jan 01, 2023 DIST-A 1 1 0.29 0Y
Dec 01, 2022 DIST-A 1 1 0.29 0Y
Nov 01, 2022 DIST-A 1 1 0.29 0Y
Oct 01, 2022 DIST-A 1 1 0.21 0Y
Sep 01, 2022 DIST-A 1 1 0.29 0Y
Aug 01, 2022 DIST-A 1 1 0.29 0Y
Jul 01, 2022 DIST-A 1 1 0.28 0Y
Jun 01, 2022 DIST-A 1 1 0.26 0Y
May 01, 2022 DIST-A 1 1 0.29 0Y
Apr 01, 2022 DIST-A 1 1 0.29 0Y
Mar 01, 2022 DIST-A 1 1 0.29 0Y
Feb 01, 2022 DIST-A 1 1 0.25 0Y
Jan 01, 2022 DIST-A 1 1 0.28 0Y
Dec 01, 2021 DIST-A 1 1 0.34 0Y
Nov 01, 2021 DIST-A 1 1 0.27 0Y
Oct 01, 2021 DIST-A 1 1 0.25 0Y
Sep 01, 2021 DIST-A 1 1 0.21 0Y
Aug 01, 2021 DIST-A 1 1 0.29 0Y
Jul 01, 2021 DIST-A 1 1 0.25 0Y
Jun 01, 2021 DIST-A 1 1 0.28 0Y
May 01, 2021 DIST-A 1 1 0.22 0Y
Apr 01, 2021 DIST-A 1 1 0.54 0Y
Mar 01, 2021 DIST-A 1 1 0.24 0Y
Feb 01, 2021 DIST-A 1 1 0.25 0Y
Jan 01, 2021 DIST-A 1 1 0.25 0Y
Dec 01, 2020 DIST-A 1 1 0.25 0Y
Nov 01, 2020 DIST-A 1 0 0Y
Oct 01, 2020 DIST-A 1 2 0.24 0Y
Sep 01, 2020 DIST-A 1 0 0Y
Aug 01, 2020 DIST-A 1 1 0.21 0Y
Jul 01, 2020 DIST-A 1 1 0.29 0Y
Jun 01, 2020 DIST-A 1 1 0.25 0Y
May 01, 2020 DIST-A 1 2 0.27 0Y
Apr 01, 2020 DIST-A 1 0 0Y
Mar 01, 2020 DIST-A 1 0 0Y
Feb 01, 2020 DIST-A 1 1 0.19 0Y
Jan 01, 2020 DIST-A 1 1 0.25 0Y
Dec 01, 2019 DIST-A 1 1 0.2 0Y
Nov 01, 2019 DIST-A 1 1 0.24 0Y
Oct 01, 2019 DIST-A 1 1 0.25 0Y
Sep 01, 2019 DIST-A 1 1 0.22 0Y
Aug 01, 2019 DIST-A 1 1 0.25 0Y
Jul 01, 2019 DIST-A 1 1 0.24 0Y
Jun 01, 2019 DIST-A 1 1 0.25 0Y
May 01, 2019 DIST-A 1 1 0.25 0Y
Apr 01, 2019 DIST-A 1 1 0.22 0Y
Mar 01, 2019 DIST-A 1 1 0.22 0Y
Feb 01, 2019 DIST-A 1 1 0.19 0Y
Jan 01, 2019 DIST-A 1 1 0.2 0Y
Dec 01, 2018 DIST-A 1 1 0.18 0Y
Nov 01, 2018 DIST-A 1 1 0.18 0Y
Oct 01, 2018 DIST-A 4 4 0.2 0Y
Sep 01, 2018 DIST-A 1 1 0.2 0Y
Aug 01, 2018 DIST-A 1 1 0.2 0Y