| 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) |