| Date of Status Change | Active or Inactive | Primary Source | PWS Type | Population | PWS Name | 
| Current Status 12/23/2022 | A | GW | C | 9,561 | FLORENCE, CITY OF | 
| 12/23/2022 | A | GW | C | 8,850 | FLORENCE, CITY OF | 
| 01/22/2020 | A | GW | C | 3,922 | FLORENCE, CITY OF | 
| 10/22/2019 | A | GW | C | 8,412 | FLORENCE, CITY OF | 
| 04/29/2014 | A | GW | C | 8,426 | FLORENCE, CITY OF | 
| 08/17/2011 | A | GW | C | 8,000 | FLORENCE, CITY OF | 
| 07/09/2007 | A | GW | C | 6,500 | FLORENCE, CITY OF | 
| 01/16/2003 | A | GW | C | 6,100 | FLORENCE, CITY OF | 
| Population Type | Avg Daily Population | Start Month | Start Day | End Month | End Day | Effective Begin Date | Effective End Date | 
| Residential | 9561 | 1 | 1 | 12 | 31 | 11/18/2022 | |
| Residential | 8850 | 1 | 1 | 12 | 31 | 09/12/2019 | 11/17/2022 | 
| Residential | 8412 | 1 | 1 | 12 | 31 | 04/08/2014 | 09/11/2019 | 
| Residential | 8426 | 1 | 1 | 12 | 31 | 04/20/2011 | 04/08/2014 | 
| Residential | 8000 | 1 | 1 | 12 | 31 | 05/15/2007 | 04/19/2011 | 
| Residential | 6500 | 1 | 1 | 12 | 31 | 05/01/2002 | 05/14/2007 | 
| Residential | 6100 | 1 | 1 | 12 | 31 | First Record | 04/04/2002 |