OHA Drinking Water Services
OR41
PWS ID: 00899 ---- TOLEDO WATER UTILITIES

See also: Coliform Schedules  ::  LT2 Schedules

Chemical Sampling Schedule Status
Facility
ID		 Analyte or Group   Sampling
Interval		 Monitoring Period Days
Until
End		 Samples
Required		 Samples
Received		 Last
Sample
Date
Start End
CH-A  COMMON HEADER FOR WTP-A TOC & ALKALINITY  Quarterly 01/01/2026 - 03/31/2026 16 1 incomplete10/15/2025
DIST-A  DISTRIBUTION SYSTEM ASBESTOS, DIST notes9 Years01/01/2020 - 12/31/2028 1,022 1 done 07/21/2021
DIST-A  DISTRIBUTION SYSTEM LEAD & COPPER notes3 Years01/01/2027 - 12/31/2027   20 08/11/2024
  Seasonal sampling period:   06/01   thru   09/30
DIST-A  DISTRIBUTION SYSTEM STAGE 2 DBP notesYearly 01/01/2026 - 12/31/2026 291 1 incomplete07/09/2025
  Seasonal sampling period:   04/01   thru   05/31
DIST-A  DISTRIBUTION SYSTEM STAGE 2 DBP notesYearly 01/01/2026 - 12/31/2026 291 1 incomplete07/09/2025
  Seasonal sampling period:   08/01   thru   08/31
EP-A  EP FOR MILL CREEK AND SILETZ RIVER ARSENIC  9 Years01/01/2020 - 12/31/2028 1,022 1 done 08/12/2022
EP-A  EP FOR MILL CREEK AND SILETZ RIVER IOC notes9 Years01/01/2020 - 12/31/2028 1,022 1 done 08/12/2022
EP-A  EP FOR MILL CREEK AND SILETZ RIVER NITRATE  Yearly 01/01/2026 - 12/31/2026 291 1 incomplete03/05/2025
EP-A  EP FOR MILL CREEK AND SILETZ RIVER NITRITE notes9 Years01/01/2020 - 12/31/2028 1,022 1 done 08/12/2022
EP-A  EP FOR MILL CREEK AND SILETZ RIVER RAD - GROSS ALPHA  9 Years 01/01/2026 - 12/31/2034 3,213 1 incomplete04/05/2017
EP-A  EP FOR MILL CREEK AND SILETZ RIVER RAD - RADIUM 226/228 6 Years 01/01/2026 - 12/31/2031 2,117 1 incomplete10/07/2020
EP-A  EP FOR MILL CREEK AND SILETZ RIVER RAD - URANIUM  9 Years 01/01/2026 - 12/31/2034 3,213 1 incomplete04/05/2017
EP-A  EP FOR MILL CREEK AND SILETZ RIVER SOC notes3 Years 01/01/2026 - 12/31/2028 1,022 2 incomplete10/11/2023
EP-A  EP FOR MILL CREEK AND SILETZ RIVER VOLATILE ORGANICS  Yearly 01/01/2026 - 12/31/2026 291 1 incomplete03/05/2025
WTP-A  TP FOR MILL CREEK AND SILETZ RIVERTOTAL ORGANIC CARBON Quarterly01/01/2026 - 03/31/2026 16 1 incomplete 10/15/2025

7  secs
Show Only Active

Expired Schedules
Facility
ID		 Analyte or Group    Sampling
Interval		 Start End Samples
Required		    Notes
CH-A  COMMON HEADER FOR WTP-ATOC & ALKALINITY  Monthly01/01/200412/31/20051Raw and filtered TOC and alkalinity
DIST-A  DISTRIBUTION SYSTEMHAA5 & TTHM  Quarterly01/01/200412/31/20051Schedule Reflects 1 RT Sample Per QT Per WTP
DIST-A  DISTRIBUTION SYSTEMHAA5 & TTHM  Yearly01/01/200609/30/20131Sample between June 1 and Sept. 30.
DIST-A  DISTRIBUTION SYSTEMSTAGE 2 DBP  Quarterly10/01/201309/30/20142Sample in Nov, Feb, May and Aug
DIST-A  DISTRIBUTION SYSTEMSTAGE 2 DBP  Yearly01/01/201512/31/20211Sample in May at 2DBP-01
EP-A  EP FOR MILL CREEK AND SILETZ RIVERARSENIC  Yearly01/01/200212/31/20101
EP-A  EP FOR MILL CREEK AND SILETZ RIVERPFAS  Quarterly01/01/202312/31/20231
EP-A  EP FOR MILL CREEK AND SILETZ RIVERSOC  3 Years01/01/200212/31/200712 consecutive quarters
SRC-AA  SILETZ RIVER (MAY-OCT)CYANOTOXINS  2 Weeks07/15/201801/24/20191
WTP-A  TP FOR MILL CREEK AND SILETZ RIVERTOTAL ORGANIC CARBON  Monthly01/01/200412/31/20051Post Filtration TOC

Show Only Active


More information for this water system: SDWIS ID 3997
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