North Carolina Rainwater Harvesting (2026)

Key Facts

Statute: N.C.G.S. 143-355.5
Outdoor Use: Permitted statewide
Indoor Potable: Plumbing code applies
Backflow Required: For potable use

Full Breakdown

N.C. Gen. Stat. 143-355.5 directs the Department of Environmental Quality to promote water conservation, including rainwater harvesting. Residential rainwater capture for outdoor irrigation is permitted statewide without a permit. Use of harvested rainwater for indoor potable purposes is regulated under the state plumbing code and requires backflow prevention. Local governments may not prohibit residential rainwater harvesting but may regulate cistern installation for safety.

Violations & Penalties

Improperly cross-connected systems can result in plumbing code violations and fines through local building inspectors.

Frequently Asked Questions

Do I need a permit to install a rain barrel in North Carolina?

No state permit is required for residential rain barrels used for outdoor irrigation. Larger cisterns or indoor uses must comply with the state plumbing code.

Can my city ban rainwater harvesting?

No. State policy promotes rainwater harvesting and local governments cannot prohibit residential collection systems used for irrigation.

North Carolina Rainwater Harvesting State Law

Key Facts

Full Breakdown

Violations & Penalties

Frequently Asked Questions

Sources

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