Are Composting Toilets Legal in West Virginia? (2026)
Partially — Composting Toilets are legal with restrictions in West Virginia as of 2026.
Quick Answer
Composting toilets may be used in West Virginia but typically only as a supplemental system alongside a conventional toilet. No significant legislative changes have been made to the state's individual sewage systems regulations.
What the Law Says
Regulates the use of composting toilets in West Virginia, allowing them primarily as supplemental systems alongside conventional toilets, requiring county health department approval and compliance with local plumbing codes, including NSF certification.
— W. Va. Code R. § 64-47-6
| Category | Details |
|---|---|
| State Plumbing Code | May require conventional toilet as primary; composting as supplemental |
| Permit Requirements | Legal to sell |
| Code Violation Penalties | Installation without permits may result in code violations. |
| Pending Legislation | None known |
No significant legislative changes have been made to the state's individual sewage systems regulations.
Enforcement Reality
Enforcement is handled by the West Virginia Department of Health and Human Resources. All composting toilets must be NSF-certified.
A common mistake is installing a non-NSF-certified toilet. Another is failing to have a plan for greywater disposal, which is still required.
Local Exceptions
None identified. State law applies uniformly across West Virginia. Local ordinances may still vary — check with your city or county government for any additional rules.
Bottom Line
Composting Toilets are legal with restrictions in West Virginia. This activity is permitted, but specific conditions apply. Violating those conditions can result in fines or criminal charges. Read the rules carefully and consult an attorney if unsure.
West Virginia vs. the Rest of the US
Across the US, installing a composting toilet is fully legal in 20 states, restricted in 30, and illegal in 0. West Virginia falls in the RESTRICTED category.
View the full 50-state map →Reviewed by cross-referencing the cited state statute against current legislative databases and regulatory publications.
Sources & Verification
This page was reviewed by Ethan Harper by comparing the legal status against the cited state statute. AllowedHere is an informational resource and does not provide legal advice. Consult a licensed attorney for guidance specific to your situation.
Comprehensive West Virginia Legal Guides
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