Leading rainwater harvesting installers in Caguas, Puerto Rico.
Ley 91-2024 establishes public policy to promote rainwater harvesting throughout Puerto Rico to reduce reservoir-water use and drought-related rationing. The act does not itself establish a general residential permit exemption.
Rainwater planning estimate
Estimate annual roof collection separately from the storage needed to cover your chosen daily demand and reserve period.
Collection formula: roof area × annual rainfall × 0.6233 × runoff efficiency. Storage target: daily demand × reserve days. This screening estimate does not model monthly droughts, tank overflow, local roof geometry, water quality, permits, or structural requirements. Rainfall source: NOAA National Centers for Environmental Information, U.S. Monthly Climate Normals, 1971-2000; verified 2026-09-14.
Ley 91-2024 (June 4, 2024) establishes public policy to promote rainwater harvesting and directs government agencies to take steps including education, projects in government buildings, regulations, and feasibility studies. The act establishes policy and agency duties; it does not describe a residential rebate or certified community program.
Last reviewed 2026-10-11; No household rebate or grant is established by this act.
Provider details are shown with their evidence status. Verify licensing, insurance, and scope directly before hiring.
A-16 PR-172, Caguas, 00725, Puerto Rico
Rainwater harvesting involves structural engineering, filtration, and plumbing compliance. Before signing an installation contract, ensure your contractor addresses these key items: