| 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 CH FOR WTP-B | TOC & ALKALINITY | Quarterly | 01/01/2026 - 03/31/2026 | 61 | 1 | incomplete | 10/21/2025 | ||||
| DIST-A DISTRIBUTION SYSTEM | LEAD & COPPER | notes | 3 Years | 01/01/2027 - 12/31/2027 | 20 | 08/13/2024 | |||||
| Seasonal sampling period: 06/01 thru 09/30 | |||||||||||
| DIST-A DISTRIBUTION SYSTEM | STAGE 2 DBP | Quarterly | 01/01/2026 - 03/31/2026 | 61 | 1 | incomplete | 10/02/2025 | ||||
| EP-B EP FOR FOSTER LAKE DAM | ARSENIC | notes | 9 Years | 01/01/2026 - 12/31/2034 | 3,258 | 1 | incomplete | 03/08/2018 | |||
| EP-B EP FOR FOSTER LAKE DAM | IOC | 9 Years | 01/01/2026 - 12/31/2034 | 3,258 | 1 | incomplete | 03/08/2018 | ||||
| EP-B EP FOR FOSTER LAKE DAM | NITRATE | Yearly | 01/01/2026 - 12/31/2026 | 336 | 1 | incomplete | 02/04/2025 | ||||
| EP-B EP FOR FOSTER LAKE DAM | NITRITE | 9 Years | 01/01/2026 - 12/31/2034 | 3,258 | 1 | incomplete | 03/08/2018 | ||||
| EP-B EP FOR FOSTER LAKE DAM | RAD - GROSS ALPHA | 9 Years | 01/01/2020 - 12/31/2028 | 1,067 | 1 | done | 11/28/2023 | ||||
| EP-B EP FOR FOSTER LAKE DAM | RAD - RADIUM 226/228 | 9 Years | 01/01/2020 - 12/31/2028 | 1,067 | 1 | done | 11/28/2023 | ||||
| EP-B EP FOR FOSTER LAKE DAM | RAD - URANIUM | 9 Years | 01/01/2020 - 12/31/2028 | 1,067 | 1 | done | 11/28/2023 | ||||
| EP-B EP FOR FOSTER LAKE DAM | SOC | notes | 3 Years | 01/01/2026 - 12/31/2028 | 1,067 | 2 | incomplete | 05/06/2025 | |||
| EP-B EP FOR FOSTER LAKE DAM | VOLATILE ORGANICS | Yearly | 01/01/2026 - 12/31/2026 | 336 | 1 | incomplete | 02/04/2025 | ||||
| WTP-B TP FOR FOSTER LAKE DAM | TOTAL ORGANIC CARBON | Quarterly | 01/01/2026 - 03/31/2026 | 61 | 1 | incomplete | 10/21/2025 | ||||
6 secs | |||||||||||
| Expired Schedules | |||||||||
| Facility ID |
Analyte or Group | Sampling Interval |
Start | End | Samples Required |
Notes | |||
| CH-A COMMON HEADER FOR WTP-A | TOTAL ORGANIC CARBON | Monthly | 01/01/2004 | 09/21/2009 | 1 | Raw Water TOC Only Required for Reduction in DBP Monitoring | |||
| DIST-A DISTRIBUTION SYSTEM | HAA5 & TTHM | Quarterly | 01/01/2004 | 09/30/2013 | 1 | Schedule Reflects 1 RT Sample Per QT Per WTP | |||
| DIST-A DISTRIBUTION SYSTEM | LEAD & COPPER | 3 Years | 01/01/2002 | 12/31/2008 | 20 | Sample Between June 1st and Sept 30th | |||
| DIST-A DISTRIBUTION SYSTEM | LEAD & COPPER | 3 Years | 01/01/2009 | 12/31/2009 | 20 | Sample Between June 1st and Sept 30th | |||
| DIST-A DISTRIBUTION SYSTEM | STAGE 2 DBP | Quarterly | 10/01/2013 | 09/30/2014 | 2 | Sample in Dec, Mar, June, and Sept | |||
| DIST-A DISTRIBUTION SYSTEM | STAGE 2 DBP | Yearly | 01/01/2015 | 07/31/2024 | 1 | Sample in March | |||
| DIST-A DISTRIBUTION SYSTEM | STAGE 2 DBP | Yearly | 01/01/2015 | 07/31/2024 | 1 | Sample in Sept. | |||
| EP-A EP FOR SOUTH SANTIAM RIVER | ARSENIC | Yearly | 01/01/2002 | 09/21/2009 | 1 | Entry point inactive (jrm). | |||
| EP-A EP FOR SOUTH SANTIAM RIVER | IOC | 9 Years | 01/01/2002 | 09/21/2009 | 1 | Schedule Reflects Monitoring Reduction Granted | |||
| EP-A EP FOR SOUTH SANTIAM RIVER | NITRATE | Yearly | 01/01/2002 | 09/21/2009 | 1 | ||||
| EP-A EP FOR SOUTH SANTIAM RIVER | NITRITE | 9 Years | 01/01/2002 | 09/21/2009 | 1 | Schedule Reflects Monitoring Reduction Granted | |||
| EP-A EP FOR SOUTH SANTIAM RIVER | RAD - GROSS ALPHA | 9 Years | 01/01/2008 | 09/21/2009 | 1 | Schedule Reflects Monitoring Reduction Granted. | |||
| EP-A EP FOR SOUTH SANTIAM RIVER | RAD - RADIUM 226/228 | 9 Years | 01/01/2008 | 09/21/2009 | 1 | Schedule Reflects Monitoring Reduction Granted. | |||
| EP-A EP FOR SOUTH SANTIAM RIVER | RAD - URANIUM | 9 Years | 01/01/2008 | 09/21/2009 | 1 | Schedule Reflects Monitoring Reduction Granted. | |||
| EP-A EP FOR SOUTH SANTIAM RIVER | SOC | 3 Years | 01/01/2002 | 09/21/2009 | 2 | 2 Consec. QT Samples | |||
| EP-A EP FOR SOUTH SANTIAM RIVER | VOLATILE ORGANICS | Yearly | 01/01/2002 | 09/21/2009 | 1 | ||||
| EP-B EP FOR FOSTER LAKE DAM | RAD - GROSS ALPHA | Quarterly | 01/01/2010 | 09/15/2010 | 1 | ||||
| EP-B EP FOR FOSTER LAKE DAM | RAD - RADIUM 226/228 | Quarterly | 01/01/2010 | 09/15/2010 | 1 | ||||
| EP-B EP FOR FOSTER LAKE DAM | RAD - URANIUM | Quarterly | 01/01/2010 | 09/15/2010 | 1 | ||||
| SRC-BA IN FOSTER LAKE DAM | CYANOTOXINS | 2 Weeks | 07/15/2018 | 01/24/2019 | 1 | ||||