| 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-B COMMON HEADER FOR WTP-B | TOTAL ORGANIC CARBON | Quarterly | 01/01/2026 - 03/31/2026 | 59 | 1 | incomplete | 08/11/2025 | ||||
| DIST-A DISTRIBUTION SYSTEM | ASBESTOS, DIST | 9 Years | 01/01/2023 - 12/31/2031 | 2,160 | 1 | incomplete | 08/17/2015 | ||||
| DIST-A DISTRIBUTION SYSTEM | LEAD & COPPER | notes | 3 Years | 01/01/2028 - 12/31/2028 | 20 | 08/07/2025 | |||||
| Seasonal sampling period: 06/01 thru 09/30 | |||||||||||
| DIST-A DISTRIBUTION SYSTEM | STAGE 2 DBP | notes | Quarterly | 01/01/2026 - 03/31/2026 | 59 | 2 | incomplete | 08/11/2025 | |||
| EP-B EP FOR GARDEN LAKE WELLS AND RIVER | ARSENIC | 9 Years | 01/01/2020 - 12/31/2028 | 1,065 | 1 | incomplete | 07/22/2019 | ||||
| EP-B EP FOR GARDEN LAKE WELLS AND RIVER | IOC | notes | 9 Years | 01/01/2020 - 12/31/2028 | 1,065 | 1 | incomplete | 07/22/2019 | |||
| EP-B EP FOR GARDEN LAKE WELLS AND RIVER | NITRATE | Yearly | 01/01/2026 - 12/31/2026 | 334 | 1 | incomplete | 01/09/2025 | ||||
| EP-B EP FOR GARDEN LAKE WELLS AND RIVER | NITRITE | notes | 9 Years | 01/01/2020 - 12/31/2028 | 1,065 | 1 | incomplete | 07/22/2019 | |||
| EP-B EP FOR GARDEN LAKE WELLS AND RIVER | RAD - GROSS ALPHA | notes | 9 Years | 01/01/2026 - 12/31/2034 | 3,256 | 1 | incomplete | 07/21/2025 | |||
| EP-B EP FOR GARDEN LAKE WELLS AND RIVER | RAD - RADIUM 226/228 | notes | 9 Years | 01/01/2026 - 12/31/2034 | 3,256 | 1 | incomplete | 07/21/2025 | |||
| EP-B EP FOR GARDEN LAKE WELLS AND RIVER | RAD - URANIUM | notes | 9 Years | 01/01/2026 - 12/31/2034 | 3,256 | 1 | incomplete | 07/21/2025 | |||
| EP-B EP FOR GARDEN LAKE WELLS AND RIVER | SOC | notes | 3 Years | 01/01/2026 - 12/31/2028 | 1,065 | 2 | incomplete | 07/21/2025 | |||
| EP-B EP FOR GARDEN LAKE WELLS AND RIVER | VOLATILE ORGANICS | Yearly | 01/01/2026 - 12/31/2026 | 334 | 1 | incomplete | 07/21/2025 | ||||
| SRC-BK WILLAMETTE RIVER (COAST FORK) | CYANOTOXINS | 2 Weeks | -- | -- | -- | -- | -- | 10/27/2025 | |||
| Seasonal sampling period: 05/01 thru 10/31 | |||||||||||
6 secs | |||||||||||