Certified Rainwater Harvesting Technician (CRHT) The CRHT assumes you understand basic hydrology principles, local water codes, and plumbing fundamentals before test day. You’ll need grounding in catchment area calculations, filtration system design, and municipal permit requirements specific to your region. Brush up on cistern sizing, first-flush diverter mechanics, and structural load considerations for roof-mounted tanks.
| Exam Name | Certified Rainwater Harvesting Technician |
| Exam Code | CRHT |
| Format | PDF & Practice Test Engine |
| Target Year | 2026 Updated |
| Features | 100% Verified Q&As |
