Off-Grid Living Restrictions by State
Whether a permitted septic system is required for off-grid wastewater, whether solar power is expressly permitted (versus restricted by HOA or grid-tie requirements), and whether composting toilets are legal as a primary residential system.
Click any column header to sort ascending or descending. Click again to reverse, and a third time to reset.
| Septic Required | Solar Permitted | Composting Toilet |
|---|---|---|
| Yes | Yes | Health dept |
| Local only | Yes | Yes |
| Yes | Yes | Limited rural |
| Yes | Yes | Yes |
| Yes | Yes | Restricted |
| Yes | Yes | Yes (rural) |
| Yes | Yes | Yes |
| Yes | Yes | Yes |
| Yes | Yes | Yes |
| Yes | Yes | Yes |
| Yes | Yes | Yes |
| Yes | Yes | Yes |
| Yes | Yes | Yes |
| Yes | Yes | Yes |
| Yes | Yes | Yes |
| Yes | Yes | Yes |
| Yes | Yes | Yes |
| Yes | Yes | Yes |
| Yes | Yes | Yes |
| Yes | Yes | Yes |
| Yes | Yes | Restricted |
| Yes | Yes | Yes (rural) |
| Yes | Yes | Yes |
| Yes | Yes | Yes |
| Yes | Yes | Yes (rural) |
| Yes | Yes | Yes |
| Yes | Yes | Yes |
| Yes | Yes | Yes |
| Yes | Yes | Yes |
| Yes | Yes | Restricted |
| Yes | Yes | Yes (rural) |
| Yes | Yes | Restricted |
| Yes | Yes | Yes |
| Yes | Yes | Yes |
| Yes | Yes | Yes |
| Yes | Yes | Yes (rural) |
| Yes | Yes | Yes |
| Yes | Yes | Yes |
| Yes | Yes | Yes |
| Yes | Yes | Yes |
| Yes | Yes | Yes |
| Yes | Yes | Yes (rural) |
| Yes | Yes | Yes (rural) |
| Yes | Yes | Yes |
| Yes | Yes | Yes |
| Yes | Yes | Yes (rural) |
| Yes | Yes | Yes |
| Yes | Yes | Yes |
| Yes | Yes | Yes |
| Yes | Yes | Yes (rural) |
| Yes | Limited | No |
EPA regulates large on-site wastewater systems under 40 CFR Part 503 and Section 503 of the Clean Water Act; smaller residential systems are state-regulated. The federal Public Utility Regulatory Policies Act (PURPA) requires utilities to interconnect qualifying small power producers but does not mandate off-grid permissions. NSF/ANSI Standard 41 governs composting toilet performance. Local zoning, HOA covenants, and building codes are often more restrictive than state law.
This is legal information, not legal advice. Laws vary by jurisdiction and change frequently. Always verify current law with official sources and consult a licensed attorney in your jurisdiction for advice on your specific situation.