OHA Drinking Water Services
OR41
PWS ID: 00202 ---- COLTON WATER DISTRICT
Surface Water Treatment Rule

MRDL Summary

Abbreviations:  CFE = Combined filter effluent, CT = Contact time, IFE = Individual filter effluent, MCL = Maximum contaminant level, MRDL = Maximum residual disinfection level, N = No (requirement was not met), WTP = Water treatment plant, Y = Yes (requirement was met).

Results not meeting criteria are outlined in red.

Monitoring
Period
Date
Received
Entry
Point
< CFE 95 %
Turbidity
MCL
< CFE Max
Turbidity
MCL
IFE
Triggers
Met
CT's
Required
Met
Chlorine
at Entry
Point
Mar 01, 2026 (pdf) Apr 09, 2026 WTP-AYYYYY
Feb 01, 2026 (pdf) Mar 03, 2026 WTP-AYYYYY
Jan 01, 2026 (pdf) Feb 05, 2026 WTP-ANYYYY
Dec 01, 2025 (pdf) Jan 09, 2026 WTP-AYYYYY
Nov 01, 2025 (pdf) Dec 05, 2025 WTP-AYYYYY
Oct 01, 2025 (pdf) Nov 06, 2025 WTP-AYYYYY
Sep 01, 2025 (pdf) Oct 02, 2025 WTP-AYYYYY
Aug 01, 2025 (pdf) Sep 08, 2025 WTP-AYYYYY
Jul 01, 2025 (pdf) Aug 10, 2025 WTP-AYYYYY
Jun 01, 2025 (xlsx) Jul 07, 2025 WTP-AYYYYY
May 01, 2025 (xlsx) Jun 09, 2025 WTP-AYYYYY
Apr 01, 2025 (xlsx) May 09, 2025 WTP-AYYYYY
Mar 01, 2025 (xlsx) Apr 09, 2025 WTP-AYYYYY
Feb 01, 2025 (xlsx) Mar 10, 2025 WTP-AYYYYY
Jan 01, 2025 (xlsx) Feb 10, 2025 WTP-AYYYYY
Dec 01, 2024 (xlsx) Jan 09, 2025 WTP-AYYYYY
Nov 01, 2024 (xlsx) Dec 10, 2024 WTP-AYYYYY
Oct 01, 2024 (xlsx) Dec 10, 2024
Late
WTP-AYYYYY
Sep 01, 2024 (xlsx) Oct 09, 2024 WTP-AYYYYY
Aug 01, 2024 (xlsx) Sep 10, 2024 WTP-AYYYYY
Jul 01, 2024 (xlsx) Aug 09, 2024 WTP-AYYYYY
Jun 01, 2024 (xlsx) Jul 09, 2024 WTP-AYYYYY
May 01, 2024 (xlsx) Jun 10, 2024 WTP-AYYYYY
Apr 01, 2024 (xlsx) May 10, 2024 WTP-AYYYNY
Mar 01, 2024 (xlsx) Apr 10, 2024 WTP-AYYYYY
Feb 01, 2024 (xlsx) Mar 08, 2024 WTP-AYYYYY
Jan 01, 2024 (xlsx) Feb 12, 2024
Late
WTP-AYYYYY
Dec 01, 2023 (xlsx) Jan 08, 2024 WTP-AYYYYY
Nov 01, 2023 (xlsx) Dec 08, 2023 WTP-AYYYYY
Oct 01, 2023 (pdf) Nov 09, 2023 WTP-AYYYYY
Sep 01, 2023 (pdf) Oct 10, 2023 WTP-AYYYYY
Aug 01, 2023 (xlsx) Sep 08, 2023 WTP-AYYYYY
Jul 01, 2023 (xlsx) Aug 10, 2023 WTP-AYYYYY
Jun 01, 2023 (pdf) Jul 10, 2023 WTP-AYYYYY
May 01, 2023 (xlsx) Jun 09, 2023 WTP-AYYYYY
Apr 01, 2023 (xlsx) May 09, 2023 WTP-AYYYYY
Mar 01, 2023 (xlsx) Apr 10, 2023 WTP-AYYYYY
Feb 01, 2023 (xlsx) Mar 09, 2023 WTP-AYYYYY
Jan 01, 2023 (xlsx) Feb 06, 2023 WTP-AYYYYY
Dec 01, 2022 (xlsx) Jan 09, 2023 WTP-AYYYYY
Nov 01, 2022 (pdf) Dec 09, 2022 WTP-AYYYYY
Oct 01, 2022 (xlsx) Nov 10, 2022 WTP-AYYYYY
Sep 01, 2022 (xlsx) Oct 10, 2022 WTP-AYYYYY
Aug 01, 2022 (xlsx) Sep 11, 2022
Late
WTP-AYYYYY
Jul 01, 2022 (xlsx) Aug 09, 2022 WTP-AYYYYY
Jun 01, 2022 (xlsx) Jul 11, 2022
Late
WTP-AYYYYY
May 01, 2022 (xlsx) Jun 06, 2022 WTP-AYYYYY
Apr 01, 2022 (xlsx) May 10, 2022 WTP-AYYYYY
Mar 01, 2022 (xlsx) Apr 11, 2022
Late
WTP-AYYYYY
Feb 01, 2022 (xlsx) Mar 09, 2022 WTP-AYYYYY
Jan 01, 2022 (xlsx) Feb 10, 2022 WTP-AYYYYY
Dec 01, 2021 (xlsx) Jan 10, 2022 WTP-AYYYYY
Nov 01, 2021 (xlsx) Dec 13, 2021
Late
WTP-AYYYYY
Oct 01, 2021 (xlsx) Nov 10, 2021 WTP-AYYYYY
Sep 01, 2021 (xlsx) Oct 11, 2021
Late
WTP-AYYYYY
Aug 01, 2021 (xlsx) Sep 10, 2021 WTP-AYYYYY
Jul 01, 2021 (xlsx) Aug 09, 2021 WTP-AYYYYY
Jun 01, 2021 (xlsx) Jul 12, 2021
Late
WTP-AYYYYY
May 01, 2021 (xlsx) Jun 10, 2021 WTP-AYYYYY
Apr 01, 2021 (xlsx) May 12, 2021
Late
WTP-AYYYYY
Mar 01, 2021 (xlsx) Apr 12, 2021
Late
WTP-AYYYYY
Feb 01, 2021 (xlsx) Mar 08, 2021 WTP-AYYYYY
Jan 01, 2021 (xlsx) Feb 10, 2021 WTP-AYYYYY