OHA Drinking Water Services
PWS ID: 00587 ---- ONTARIO, CITY OF
| 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-A1 CH FOR OLD PLANT | TOC & ALKALINITY | notes | Quarterly | 10/01/2023 - 12/31/2023 | 24 | 1 | done | 10/11/2023 | |||
| CH-A2 CH FOR WESTECH PLANT | TOC & ALKALINITY | notes | Quarterly | 10/01/2023 - 12/31/2023 | 24 | 1 | done | 10/11/2023 | |||
| DIST-A Distribution System | ASBESTOS, DIST | notes | 9 Years | 01/01/2020 - 12/31/2028 | 1,851 | 1 | done | 01/23/2023 | |||
| DIST-A Distribution System | LEAD & COPPER | notes | 3 Years | 01/01/2024 - 12/31/2024 | 30 | 09/10/2021 | |||||
| Seasonal sampling period: 06/01 thru 09/30 | |||||||||||
| DIST-A Distribution System | STAGE 2 DBP | notes | Quarterly | 10/01/2023 - 12/31/2023 | 24 | 4 | done | 10/04/2023 | |||
| EP-A EP FOR RIVER, WELLS | ARSENIC | notes | 9 Years | 01/01/2020 - 12/31/2028 | 1,851 | 1 | incomplete | 07/16/2019 | |||
| EP-A EP FOR RIVER, WELLS | IOC | 9 Years | 01/01/2020 - 12/31/2028 | 1,851 | 1 | incomplete | 07/16/2019 | ||||
| EP-A EP FOR RIVER, WELLS | NITRATE | Yearly | 01/01/2023 - 12/31/2023 | 24 | 1 | done | 07/06/2023 | ||||
| EP-A EP FOR RIVER, WELLS | NITRITE | 9 Years | 01/01/2020 - 12/31/2028 | 1,851 | 1 | incomplete | 07/16/2019 | ||||
| EP-A EP FOR RIVER, WELLS | RAD - GROSS ALPHA | 6 Years | 01/01/2023 - 12/31/2028 | 1,851 | 1 | incomplete | 07/06/2020 | ||||
| EP-A EP FOR RIVER, WELLS | RAD - RADIUM 226/228 | 9 Years | 01/01/2020 - 12/31/2028 | 1,851 | 1 | incomplete | 07/11/2018 | ||||
| EP-A EP FOR RIVER, WELLS | RAD - URANIUM | 6 Years | 01/01/2023 - 12/31/2028 | 1,851 | 1 | incomplete | 07/06/2020 | ||||
| EP-A EP FOR RIVER, WELLS | SOC | notes | 3 Years | 01/01/2023 - 12/31/2025 | 755 | 2 | incomplete | 08/30/2022 | |||
| EP-A EP FOR RIVER, WELLS | VOLATILE ORGANICS | Yearly | 01/01/2023 - 12/31/2023 | 24 | 1 | done | 07/06/2023 | ||||
| WTP-A1 TP FOR OLD PLANT | TOTAL ORGANIC CARBON | Quarterly | 10/01/2023 - 12/31/2023 | 24 | 1 | done | 10/11/2023 | ||||
| WTP-A2 TP FOR WESTECH PLANT | TOTAL ORGANIC CARBON | Quarterly | 10/01/2023 - 12/31/2023 | 24 | 1 | done | 10/11/2023 | ||||
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