| WCTNZ® Capacity Guidance | |
| WCTNZ® User Capacities Notations | This system's capacity is climate dependent, please talk to us about this system's performance for your site and location. Increased capacity options available. |
| Capacity & Usage Definitions (WCTNZ® Standard) | Capacity & Usage Definitions: Full-time means ongoing residential use. Part-time / guest use means non-permanent, occasional, weekend, holiday, fortnightly, or intermittent use. Range ratings such as 2–3 or 3–4 should be read conservatively and are not automatic entitlement to the top number in all conditions. Zero-leachate systems should be read more conservatively again. Read full Capacity & Usage Definitions › |