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Open AccessArticle

Meeting SDG6 in the Kingdom of Tonga: The Mismatch between National and Local Sustainable Development Planning for Water Supply

1
Fenner School of Environment and Society, Australian National University, Canberra, ACT 0200, Australia
2
Island Hydrology Services, 9 Tivey Place, Hughes, Canberra, ACT 2605, Australia
3
Natural Resources Division, Ministry of Lands and Natural Resources, Nuku’alofa, Tonga
*
Author to whom correspondence should be addressed.
Hydrology 2020, 7(4), 81; https://doi.org/10.3390/hydrology7040081
Received: 14 September 2020 / Revised: 9 October 2020 / Accepted: 12 October 2020 / Published: 22 October 2020
(This article belongs to the Special Issue Integrated Surface Water and Groundwater Analysis)
UN Sustainable Development Goal 6 challenges small island developing states such as the Kingdom of Tonga, which relies on variable rainwater and fragile groundwater lenses for freshwater supply. Meeting water needs in dispersed small islands under changeable climate and frequent extreme events is difficult. Improved governance is central to better water management. Integrated national sustainable development plans have been promulgated as a necessary improvement, but their relevance to island countries has been questioned. Tonga’s national planning instrument is the Tonga Strategic Development Framework, 2015–2025 (TSDFII). Local Community Development Plans (CDPs), developed by rural villages throughout Tonga’s five Island Divisions, are also available. Analyses are presented of island water sources from available census and limited hydrological data, and of the water supply priorities in TSDFII and in 117 accessible village CDPs. Census and hydrological data showed large water supply differences between islands. Nationally, TDSFII did not identify water supply as a priority. In CDPs, 84% of villages across all Island Divisions ranked water supply as a priority. Reasons for the mismatch are advanced. It is recommended that improved governance in water in Pacific Island countries should build on available census and hydrological data and increased investment in local island planning processes. View Full-Text
Keywords: groundwater; rainwater harvesting; climate variability; small island developing states; improved water governance; national sustainable development plans; SDG6; community participation groundwater; rainwater harvesting; climate variability; small island developing states; improved water governance; national sustainable development plans; SDG6; community participation
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MDPI and ACS Style

White, I.; Falkland, T.; Kula, T. Meeting SDG6 in the Kingdom of Tonga: The Mismatch between National and Local Sustainable Development Planning for Water Supply. Hydrology 2020, 7, 81. https://doi.org/10.3390/hydrology7040081

AMA Style

White I, Falkland T, Kula T. Meeting SDG6 in the Kingdom of Tonga: The Mismatch between National and Local Sustainable Development Planning for Water Supply. Hydrology. 2020; 7(4):81. https://doi.org/10.3390/hydrology7040081

Chicago/Turabian Style

White, Ian; Falkland, Tony; Kula, Taaniela. 2020. "Meeting SDG6 in the Kingdom of Tonga: The Mismatch between National and Local Sustainable Development Planning for Water Supply" Hydrology 7, no. 4: 81. https://doi.org/10.3390/hydrology7040081

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