| System Information | Schedule Counts |
Status: Active System Type: Community Population Served: 2,239 | Active: 15 Show Only Active Inactive: 0 Expired: 15 |
| Routine Sampling Schedules For Chemicals | ||||||||
| Facility ID |
Name | Status | Test Group | Samples Required |
Sampling Interval |
Start | End | Notes |
| CH-A | COMMON HEADER FOR WTP-A | A | TOC & ALKALINITY | 1 | Quarterly | 01/01/2006 | Open | |
| DIST-A | Distribution System | A | ASBESTOS, DIST | 1 | 9 Years | 01/01/2008 | Open | |
| DIST-A | Distribution System | A | LEAD & COPPER | 10 | 3 Years | 01/01/2005 | Open | Sample Between June 1st and Sept 30th |
| DIST-A | Distribution System | A | STAGE 2 DBP | 1 | Yearly | 01/01/2017 | Open | Sample in October at 360 SW Maple St (Post Office) |
| EP-A | EP FOR WILLAMINA CREEK | A | ARSENIC | 1 | 9 Years | 01/01/2011 | Open | |
| EP-A | EP FOR WILLAMINA CREEK | A | IOC | 1 | 9 Years | 01/01/2002 | Open | Schedule Reflects Monitoring Reduction Granted |
| EP-A | EP FOR WILLAMINA CREEK | A | NITRATE | 1 | Yearly | 01/01/2002 | Open | |
| EP-A | EP FOR WILLAMINA CREEK | A | NITRITE | 1 | 9 Years | 01/01/2002 | Open | Schedule Reflects Monitoring Reduction Granted |
| EP-A | EP FOR WILLAMINA CREEK | A | PFAS | 1 | Quarterly | 01/01/2023 | Open | Initial monitoring - 4 quarters only |
| EP-A | EP FOR WILLAMINA CREEK | A | RAD - GROSS ALPHA | 1 | 9 Years | 01/01/2023 | Open | Schedule Reflects Monitoring Reduction Granted |
| EP-A | EP FOR WILLAMINA CREEK | A | RAD - RADIUM 226/228 | 1 | 9 Years | 01/01/2017 | Open | Schedule Reflects Monitoring Reduction Granted |
| EP-A | EP FOR WILLAMINA CREEK | A | RAD - URANIUM | 1 | 9 Years | 01/01/2014 | Open | Schedule Reflects Monitoring Reduction Granted |
| EP-A | EP FOR WILLAMINA CREEK | A | SOC | 1 | 3 Years | 01/01/2002 | Open | |
| EP-A | EP FOR WILLAMINA CREEK | A | VOLATILE ORGANICS | 1 | Yearly | 01/01/2002 | Open | |
| WTP-A | TP FOR WILLAMINA CREEK | A | TOTAL ORGANIC CARBON | 1 | Quarterly | 01/01/2006 | Open | |
| Expired Schedules | ||||||||
| CH-A | COMMON HEADER FOR WTP-A | A | TOC & ALKALINITY | 1 | Monthly | 01/01/2004 | 12/31/2005 | Raw and filtered TOC and alkalinity |
| DIST-A | Distribution System | A | ASBESTOS, DIST | 1 | 3 Years | 01/01/2002 | 12/31/2007 | |
| DIST-A | Distribution System | A | HAA5 & TTHM | 1 | Quarterly | 01/01/2004 | 12/31/2004 | Schedule Reflects 1 RT Sample Per QT Per WTP |
| DIST-A | Distribution System | A | HAA5 & TTHM | 1 | Yearly | 01/01/2005 | 09/30/2013 | Sample between June 1 and Sept. 30. |
| DIST-A | Distribution System | A | LEAD & COPPER | 10 | Yearly | 01/01/2002 | 12/31/2002 | Sample Between June 1st and Sept 30th |
| DIST-A | Distribution System | A | STAGE 2 DBP | 1 | Quarterly | 10/01/2013 | 12/31/2016 | Sample in Oct, Jan, Apr, and July |
| EP-A | EP FOR WILLAMINA CREEK | A | ARSENIC | 1 | Yearly | 01/01/2002 | 12/31/2010 | |
| EP-A | EP FOR WILLAMINA CREEK | A | RAD - GROSS ALPHA | 1 | 6 Years | 01/01/2017 | 12/31/2022 | |
| EP-A | EP FOR WILLAMINA CREEK | A | RAD - GROSS ALPHA | 1 | 9 Years | 01/01/2014 | 12/31/2016 | Schedule Reflects Monitoring Reduction Granted |
| EP-A | EP FOR WILLAMINA CREEK | A | RAD - GROSS ALPHA | 1 | Quarterly | 01/01/2010 | 03/31/2011 | |
| EP-A | EP FOR WILLAMINA CREEK | A | RAD - RADIUM 226/228 | 1 | 6 Years | 01/01/2014 | 12/31/2016 | |
| EP-A | EP FOR WILLAMINA CREEK | A | RAD - RADIUM 226/228 | 1 | Quarterly | 01/01/2010 | 03/31/2011 | |
| EP-A | EP FOR WILLAMINA CREEK | A | RAD - URANIUM | 1 | Quarterly | 01/01/2010 | 03/31/2011 | |
| SRC-AA | WILLAMINA CREEK | A | CYANOTOXINS | 1 | 2 Weeks | 07/15/2018 | 01/24/2019 | |
| WTP-A | TP FOR WILLAMINA CREEK | A | TOTAL ORGANIC CARBON | 1 | Monthly | 01/01/2004 | 12/31/2005 | Post Filtration TOC |