Oregon Landscape Construction Professional, Individual (Irrigation Only) License (OR) Oregon’s irrigation-focused landscape construction exam tests deep technical competency soil water retention, filtration rates, emitter spacing calculations, backflow prevention devices, and pressure regulation across varied terrain. You’ll encounter detailed scenarios on system design for different plant types and climate zones, plus state-specific code compliance for water conservation. Mastery requires solid math skills and practical troubleshooting ability.
| Exam Name | Oregon Landscape Construction Professional, Individual (Irrigation Only) License |
| Exam Code | OR |
| Format | PDF & Practice Test Engine |
| Target Year | 2026 Updated |
| Features | 100% Verified Q&As |


