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 74 1 incomplete10/15/2025
DIST-A  DISTRIBUTION SYSTEM ASBESTOS, DIST notes9 Years01/01/2020 - 12/31/2028 1,080 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 349 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 349 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 1,080 1 done 08/12/2022
EP-A  EP FOR MILL CREEK AND SILETZ RIVER IOC notes9 Years01/01/2020 - 12/31/2028 1,080 1 done 08/12/2022
EP-A  EP FOR MILL CREEK AND SILETZ RIVER NITRATE  Yearly 01/01/2026 - 12/31/2026 349 1 incomplete03/05/2025
EP-A  EP FOR MILL CREEK AND SILETZ RIVER NITRITE notes9 Years01/01/2020 - 12/31/2028 1,080 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 3,271 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 2,175 1 incomplete10/07/2020
EP-A  EP FOR MILL CREEK AND SILETZ RIVER RAD - URANIUM  9 Years 01/01/2026 - 12/31/2034 3,271 1 incomplete04/05/2017
EP-A  EP FOR MILL CREEK AND SILETZ RIVER SOC notes3 Years 01/01/2026 - 12/31/2028 1,080 2 incomplete10/11/2023
EP-A  EP FOR MILL CREEK AND SILETZ RIVER VOLATILE ORGANICS  Yearly 01/01/2026 - 12/31/2026 349 1 incomplete03/05/2025
WTP-A  TP FOR MILL CREEK AND SILETZ RIVERTOTAL ORGANIC CARBON Quarterly01/01/2026 - 03/31/2026 74 1 incomplete 10/15/2025

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