Water systems listed in red font are fluoridated, either directly or through purchasing from another water system (see "seller" columns on right) which is fluoridated.
Philadelphia has been fluoridating since 1955. For documents relating to Philadelphia's water fluoridation, see Water Fluoridation in Philadelphia.
| PWSID | System Name | Phone | Pop. Served 5/2005 | Fl? | Seller ID | Seller Name | Seller Fluor? |
|---|---|---|---|---|---|---|---|
| 1510001 | Philadelphia Water Department | 215-685-6257 | 1,600,000 | Yes |
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