| 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 | 04/01/2026 - 06/30/2026 | 66 | 1 | incomplete | 02/02/2026 | ||||
| DIST-A DISTRIBUTION SYSTEM | ASBESTOS, DIST | notes | 9 Years | 01/01/2020 - 12/31/2028 | 981 | 1 | done | 06/11/2024 | |||
| DIST-A DISTRIBUTION SYSTEM | LEAD & COPPER | notes | 3 Years | 01/01/2028 - 12/31/2028 | 10 | 07/10/2025 | |||||
| Seasonal sampling period: 06/01 thru 09/30 | |||||||||||
| DIST-A DISTRIBUTION SYSTEM | STAGE 2 DBP | notes | Quarterly | 04/01/2026 - 06/30/2026 | 66 | 1 | incomplete | 02/05/2026 | |||
| EP-A EP FOR CREEK AND WELLS | ARSENIC | 9 Years | 01/01/2020 - 12/31/2028 | 981 | 1 | done | 05/18/2021 | ||||
| EP-A EP FOR CREEK AND WELLS | IOC | notes | 9 Years | 01/01/2020 - 12/31/2028 | 981 | 1 | done | 05/18/2021 | |||
| EP-A EP FOR CREEK AND WELLS | NITRATE | Yearly | 01/01/2026 - 12/31/2026 | 250 | 1 | done | 03/05/2026 | ||||
| EP-A EP FOR CREEK AND WELLS | NITRITE | notes | 9 Years | 01/01/2020 - 12/31/2028 | 981 | 1 | done | 05/18/2021 | |||
| EP-A EP FOR CREEK AND WELLS | PFAS | notes | Quarterly | 04/01/2026 - 06/30/2026 | 66 | 1 | incomplete | ||||
| Initial monitoring - 4 quarters only | |||||||||||
| EP-A EP FOR CREEK AND WELLS | RAD - GROSS ALPHA | 9 Years | 01/01/2023 - 12/31/2031 | 2,076 | 1 | done | 06/11/2024 | ||||
| EP-A EP FOR CREEK AND WELLS | RAD - RADIUM 226/228 | 9 Years | 01/01/2026 - 12/31/2034 | 3,172 | 1 | incomplete | 01/28/2020 | ||||
| EP-A EP FOR CREEK AND WELLS | RAD - URANIUM | 9 Years | 01/01/2026 - 12/31/2034 | 3,172 | 1 | incomplete | 01/28/2020 | ||||
| EP-A EP FOR CREEK AND WELLS | SOC | 3 Years | 01/01/2026 - 12/31/2028 | 981 | 1 | incomplete | 08/19/2024 | ||||
| EP-A EP FOR CREEK AND WELLS | VOLATILE ORGANICS | Yearly | 01/01/2026 - 12/31/2026 | 250 | 1 | done | 03/05/2026 | ||||
| EP-B EP FOR MANHATTAN BEACH WELL | ARSENIC | 9 Years | 01/01/2020 - 12/31/2028 | 981 | 1 | done | 01/28/2020 | ||||
| EP-B EP FOR MANHATTAN BEACH WELL | IOC | notes | 9 Years | 01/01/2020 - 12/31/2028 | 981 | 1 | done | 01/28/2020 | |||
| EP-B EP FOR MANHATTAN BEACH WELL | NITRATE | Yearly | 01/01/2026 - 12/31/2026 | 250 | 1 | incomplete | 04/08/2025 | ||||
| EP-B EP FOR MANHATTAN BEACH WELL | NITRITE | notes | 9 Years | 01/01/2020 - 12/31/2028 | 981 | 1 | done | 01/28/2020 | |||
| EP-B EP FOR MANHATTAN BEACH WELL | PFAS | notes | 6 Months | 01/01/2026 - 06/30/2026 | 66 | 1 | incomplete | ||||
| Initial monitoring - 2 samples only | |||||||||||
| EP-B EP FOR MANHATTAN BEACH WELL | RAD - GROSS ALPHA | 9 Years | 01/01/2023 - 12/31/2031 | 2,076 | 1 | incomplete | 01/28/2020 | ||||
| EP-B EP FOR MANHATTAN BEACH WELL | RAD - RADIUM 226/228 | 9 Years | 01/01/2026 - 12/31/2034 | 3,172 | 1 | incomplete | 01/28/2020 | ||||
| EP-B EP FOR MANHATTAN BEACH WELL | RAD - URANIUM | notes | 9 Years | 01/01/2020 - 12/31/2028 | 981 | 1 | done | 01/28/2020 | |||
| EP-B EP FOR MANHATTAN BEACH WELL | SOC | 3 Years | 01/01/2026 - 12/31/2028 | 981 | 1 | incomplete | 06/10/2025 | ||||
| EP-B EP FOR MANHATTAN BEACH WELL | VOLATILE ORGANICS | 3 Years | 01/01/2026 - 12/31/2028 | 981 | 1 | incomplete | 05/08/2023 | ||||
| WTP-A TP FOR CREEK AND WELLS | TOTAL ORGANIC CARBON | Quarterly | 04/01/2026 - 06/30/2026 | 66 | 1 | incomplete | 02/02/2026 | ||||
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 | Quarterly | 01/01/2009 | 09/30/2013 | 1 | Must be <4mg/L to maintain DBP reduction | |||
| DIST-A DISTRIBUTION SYSTEM | HAA5 & TTHM | Quarterly | 01/01/2004 | 03/31/2007 | 1 | Schedule Reflects 1 RT Sample Per QT Per WTP | |||
| DIST-A DISTRIBUTION SYSTEM | HAA5 & TTHM | Quarterly | 04/01/2007 | 06/30/2007 | 2 | Schedule reflects 1 sample per entry point per quarter in distribution | |||
| DIST-A DISTRIBUTION SYSTEM | HAA5 & TTHM | Quarterly | 07/01/2007 | 12/31/2008 | 2 | Schedule reflects 1 sample per entry point per quarter in distribution | |||
| DIST-A DISTRIBUTION SYSTEM | HAA5 & TTHM | Quarterly | 07/01/2010 | 09/30/2013 | 2 | ||||
| DIST-A DISTRIBUTION SYSTEM | HAA5 & TTHM | Yearly | 01/01/2009 | 06/30/2010 | 2 | Sample between June 1st and Sept 30th | |||
| EP-A EP FOR CREEK AND WELLS | ARSENIC | Yearly | 01/01/2002 | 12/31/2010 | 1 | ||||
| EP-A EP FOR CREEK AND WELLS | RAD - GROSS ALPHA | 6 Years | 01/01/2017 | 12/31/2022 | 1 | ||||
| EP-A EP FOR CREEK AND WELLS | RAD - GROSS ALPHA | 9 Years | 01/01/2008 | 12/31/2016 | 1 | ||||
| EP-B EP FOR MANHATTAN BEACH WELL | ARSENIC | 3 Years | 01/01/2005 | 12/31/2008 | 1 | ||||
| EP-B EP FOR MANHATTAN BEACH WELL | IOC | 3 Years | 01/01/2005 | 12/31/2019 | 1 | ||||
| EP-B EP FOR MANHATTAN BEACH WELL | NITRITE | 3 Years | 01/01/2002 | 12/31/2019 | 1 | ||||
| EP-B EP FOR MANHATTAN BEACH WELL | RAD - GROSS ALPHA | 6 Years | 01/01/2017 | 12/31/2022 | 1 | ||||
| EP-B EP FOR MANHATTAN BEACH WELL | RAD - GROSS ALPHA | 9 Years | 01/01/2008 | 12/31/2016 | 1 | ||||
| EP-B EP FOR MANHATTAN BEACH WELL | RAD - URANIUM | 6 Years | 01/01/2008 | 12/31/2019 | 1 | ||||