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Lookup NU author(s): Dr Mohsen NagheebyORCiD, Dr Elizabeth LawsonORCiD, Professor Jaime AmezagaORCiD
This is the final published version of a report that has been published in its final definitive form by Decentralised Water Technologies Project, 2026.
For re-use rights please refer to the publisher's terms and conditions.
On-site (decentralised) sanitation systems are a structurally important but frequently under-governed component of wastewater management in high-income countries with dispersed rural settlement patterns. Even where centralised sewerage achieves near-universal service coverage in urban areas, a persistent rural minority relies on household- or cluster-scale systems such as septic tanks with soil infiltration, holding tanks, sand filters, and packaged treatment plants. These systems are essential for rural housing viability and local economic activity, yet they can also represent a significant source of diffuse pollution when poorly designed, inadequately maintained, or weakly supervised. This report provides a comparative governance analysis of on-site sanitation in Finland, Sweden, Norway, and Scotland, focusing on how legal mandates, institutional responsibilities, enforcement capacity, and support mechanisms shape environmental performance and rural service equity. The comparison is designed to support Scotland’s Decentralised Water Technologies by identifying governance arrangements that are potentially transferable (in whole or in part) to the Scottish regulatory and institutional landscape.
Author(s): Nagheeby M, Lawson E, Amezaga J
Publication type: Report
Publication status: Published
Series Title:
Year: 2026
Pages: 33
Online publication date: 05/05/2026
Acceptance date: 11/05/2026
Institution: Decentralised Water Technologies Project
URL: https://www.offgridwater.org.uk/wp-content/uploads/2026/05/Comparative-Analysis_Final.pdf
ePrints DOI: 10.57711/2aex-r183
