Estimate annual maintenance
Budget filters, UV, testing, cleaning, pump reserves, and emergency water.
Open resource →Resource center · reviewed July 24, 2026
Catchment Water Planning
Plan catchment storage, maintenance, treatment, testing, replacement reserves, and buyer due diligence using Hawaiʻi-specific guidance.
Plan the entire path from roof to tap. Tank capacity is only one part of reliability; collection surfaces, storage, pumps, treatment, testing, maintenance, power, and emergency water all matter.
Build a testing and maintenance plan
Track the water path, service dates, records, and questions for qualified guidance.
Open resource →Inspect a catchment home
Review the roof, tank, pump, treatment equipment, records, and backup plan.
Open resource →Decision path
Use the cluster in order
- Document the roof, gutters, inlet controls, tank, pump, pressure equipment, filters, disinfection, plumbing, and backup-water path.
- Estimate annual maintenance and replacement reserves with actual product and service costs.
- Set a written maintenance and testing schedule using current official guidance and qualified advice.
- Keep records so buyers, residents, and service providers know what was done.
Primary sources