Source
https://www.taumataarowai.govt.nz/drinking-water-suppliers-and-operators/for-drinking-water-suppliers/very-small-community-supply — original source (opens in a new tab; the file is not redistributed)
Context: both · Feeds D03 (potable treatment, regulatory frame)
Summary
Taumata Arowai (the Water Services Authority) guidance for very small community drinking-water supplies confirms that point-of-entry (end-point) treatment, cartridge filtration plus UV disinfection installed where water enters each building, is a permitted, cost-effective way for small rural supplies to meet the drinking-water standards as an alternative to central treatment. It sets the size limits for this route. This is the regulator-sanctioned small-community potable-treatment option the model should cost.
Key claims
- claim: "POINT-OF-ENTRY (END-POINT) TREATMENT IS PERMITTED FOR SMALL SUPPLIES. End-point treatment systems (cartridge filtration + UV disinfection) at consumers' properties are an allowed alternative to treating drinking water centrally. Applicable scale: one building with no more than 500 people, or up to 3 buildings with no more than 100 people. Point-of-entry devices treat drinking water where it enters a building and are described as a simple, cost-effective way for small rural supplies to provide safe water that meets the standards. [verified against the raw: '500 people', '100 people', 'three buildings', UV and cartridge all confirmed by text extraction]"
source_location: "Taumata Arowai, Very small community supply / end-point treatment guidance."Key thesis insights
- The regulator sanctions per-dwelling treatment for small communities. A remote community does not need a central treatment plant to comply; point-of-entry UV + cartridge units at each building are explicitly permitted within the stated size limits. This is the concrete regulatory pathway that makes small-community potable self-sufficiency affordable. URL_041
Model use
- Confirms the model should cost potable treatment as a per-dwelling point-of-entry unit for a small community (RT_402), priced on URL_042; the central-plant scale (~$270k/plant, CR_050) applies only above these limits. URL_041
Research targets
No new research targets. Regulatory-frame side of RT_402 delivered.
Connections
Links to
EDT domains (1): D03: Water, Waste & Circular Systems
Referenced by
EDT domains (1): D03: Water, Waste & Circular Systems