| 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 | ||||||||||
| DIST-A DISTRIBUTION SYSTEM | LEAD & COPPER | notes | 3 Years | 01/01/2026 - 12/31/2026 | 5 | incomplete | 08/23/2023 | ||||
| Seasonal sampling period: 06/01 thru 09/30 | |||||||||||
| DIST-A DISTRIBUTION SYSTEM | STAGE 2 DBP | notes | Yearly | 01/01/2026 - 12/31/2026 | 280 | 1 | incomplete | 09/09/2025 | |||
| Seasonal sampling period: 09/01 thru 09/30 | |||||||||||
| EP-A EP FOR ROCK CREEK | ARSENIC | notes | 9 Years | 01/01/2026 - 12/31/2034 | 3,202 | 1 | incomplete | 10/12/2025 | |||
| EP-A EP FOR ROCK CREEK | IOC | notes | 9 Years | 01/01/2026 - 12/31/2034 | 3,202 | 1 | incomplete | 10/12/2025 | |||
| EP-A EP FOR ROCK CREEK | NITRATE | Yearly | 01/01/2026 - 12/31/2026 | 280 | 1 | incomplete | 10/12/2025 | ||||
| EP-A EP FOR ROCK CREEK | NITRITE | notes | 9 Years | 01/01/2026 - 12/31/2034 | 3,202 | 1 | incomplete | 10/12/2025 | |||
| EP-A EP FOR ROCK CREEK | PFAS | notes | Quarterly | 01/01/2026 - 03/31/2026 | 5 | 1 | done | 03/16/2026 | |||
| Initial monitoring - 4 quarters only | |||||||||||
| EP-A EP FOR ROCK CREEK | RAD - GROSS ALPHA | 9 Years | 01/01/2026 - 12/31/2034 | 3,202 | 1 | incomplete | 10/12/2025 | ||||
| EP-A EP FOR ROCK CREEK | RAD - RADIUM 226/228 | 9 Years | 01/01/2020 - 12/31/2028 | 1,011 | 1 | done | 03/26/2021 | ||||
| EP-A EP FOR ROCK CREEK | RAD - URANIUM | notes | 9 Years | 01/01/2026 - 12/31/2034 | 3,202 | 1 | incomplete | 10/12/2025 | |||
| EP-A EP FOR ROCK CREEK | SOC MINUS SOCR CHEMS | 9 Years | 01/01/2026 - 12/31/2034 | 3,202 | 1 | incomplete | 11/05/2019 | ||||
| EP-A EP FOR ROCK CREEK | SOCR | 3 Years | 01/01/2026 - 12/31/2028 | 1,011 | 1 | incomplete | 10/12/2025 | ||||
| EP-A EP FOR ROCK CREEK | VOLATILE ORGANICS | notes | Yearly | 01/01/2026 - 12/31/2026 | 280 | 1 | incomplete | 10/12/2025 | |||
6 secs | |||||||||||
| Expired Schedules | |||||||||
| Facility ID |
Analyte or Group | Sampling Interval |
Start | End | Samples Required |
Notes | |||
| DIST-A DISTRIBUTION SYSTEM | HAA5 & TTHM | Yearly | 01/01/2004 | 12/31/2013 | 1 | Sample between June 1 and Sept. 30. | |||
| DIST-A DISTRIBUTION SYSTEM | LEAD & COPPER | 6 Months | 07/01/2002 | 06/30/2003 | 5 | ||||
| DIST-A DISTRIBUTION SYSTEM | LEAD & COPPER | Yearly | 01/01/2004 | 12/31/2006 | 5 | Sample Between June 1st and Sept 30th | |||
| EP-A EP FOR ROCK CREEK | ARSENIC | Yearly | 01/01/2002 | 12/31/2007 | 1 | ||||
| EP-A EP FOR ROCK CREEK | ATRAZINE | 3 Years | 01/01/2008 | 12/31/2010 | 1 | ||||
| EP-A EP FOR ROCK CREEK | ATRAZINE | 3 Years | 01/01/2011 | 12/31/2025 | 1 | ||||
| EP-A EP FOR ROCK CREEK | IOC | Yearly | 01/01/2002 | 12/31/2007 | 1 | ||||
| EP-A EP FOR ROCK CREEK | NITRITE | 3 Years | 01/01/2002 | 12/31/2007 | 1 | ||||
| EP-A EP FOR ROCK CREEK | RAD - RADIUM 226/228 | 6 Years | 01/01/2014 | 12/31/2019 | 1 | ||||
| EP-A EP FOR ROCK CREEK | RAD - RADIUM 226/228 | 9 Years | 01/01/2008 | 12/31/2013 | 1 | ||||
| EP-A EP FOR ROCK CREEK | RAD - URANIUM | 6 Years | 01/01/2008 | 12/31/2013 | 1 | ||||
| EP-A EP FOR ROCK CREEK | SOC | 3 Years | 01/01/2002 | 12/31/2007 | 1 | ||||
| EP-A EP FOR ROCK CREEK | SOC MINUS SOCR CHEMS | 9 Years | 01/01/2011 | 12/31/2025 | 1 | ||||
| EP-A EP FOR ROCK CREEK | TOLUENE | Quarterly | 01/01/2011 | 06/30/2011 | 1 | ||||
| EP-A EP FOR ROCK CREEK | VOLATILE ORGANICS | Yearly | 01/01/2002 | 12/31/2011 | 1 | Monitor Required During 3rd Quarter | |||