requirements
If you plan to connect collected water to indoor plumbing, investigate the requirements before installation.
Backflow prevention, separation from public water supplies, and other safeguards may be necessary.
4. Find out which uses are allowed
Water collected for garden irrigation may be subject to different requirements from water used for washing, toilet flushing, or drinking.
If you intend to use rainwater for consumption, check local health requirements and arrange appropriate treatment and testing. Untreated rainwater can contain contaminants from roofs, gutters, airborne pollution, and animal droppings.
5. Check temporary
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