WPCA
| Acronym | Definition |
|---|---|
| WPCA | Water Pollution Control Authority (Connecticut) |
| WPCA | World Professional Chuckwagon Association |
| WPCA | Worldwide Palliative Care Alliance |
| WPCA | Wisconsin Partners for Clean Air (est. 1996) |
| WPCA | Water Pollution Control Association (various locations) |
| WPCA | Water Pollution Control Act of 1948 (US Clean Water Act) |
| WPCA | Willowfield Parish Community Association (UK) |