H1 2026 Evaluation
Saint Vincent and the Grenadines Reservoir Transparency
F16Opaque — Ranked #107 out of 167 countries
weight 30%
weight 20%
weight 15%
weight 13%
weight 10%
weight 8%
weight 5%
Primary source evaluated
CWSA — Central Water and Sewerage Authority, Water Resource Management Unit
https://www.cwsasvg.com/wrmuDimension breakdown
Data Availability
20% of total score
The CWSA's Water Resource Management Unit (WRMU) operates 10 automatic water-level recording stations, 5 automatic climate stations, and 26 tipping-bucket rainfall stations. However, no machine-readable or publicly queryable database of reservoir or catchment levels is available. During drought events (e.g., the 2024 official Drought Watch), CWSA releases narrative status updates for seven water catchment/distribution systems via Facebook and radio, but no structured data download or dashboard has been identified.
Technical Accessibility
15% of total score
No API, no downloadable dataset, no open data portal. Information is communicated through text press releases, Facebook posts, and radio broadcasts. The CWSA website lists the WRMU's monitoring infrastructure but offers no data access interface. Automated monitoring stations exist but their output is not publicly exposed.
Coverage
30% of total score
Methodology v1.3.0 (capacity-weighted), conservative. Saint Vincent and the Grenadines depends on small river-fed catchment systems rather than large impoundments; total identified national storage above operational threshold is approximately 5 hm³ across the seven mainland catchment/distribution systems CWSA references. CWSA's drought-period narrative press communications cover roughly 0.9 hm³ of this capacity in qualitative narrative terms only — no numerical data. Coverage = round(100 × 0.9 / 5) = 18.
Historical Depth
13% of total score
No historical time series of reservoir or catchment storage is publicly available. CWSA's WRMU likely holds internal hydrological records from its monitoring network, but these are not published or accessible to the public. FAO Aquastat and academic reports reference water resources broadly but contain no downloadable reservoir time series for SVG.
Update Frequency
10% of total score
Updates are issued reactively during water stress events (drought, rationing) rather than on a fixed publication schedule. Between drought periods, public reporting on water storage status appears to lapse. No regular bulletin (weekly, monthly) has been identified. The automated station network suggests data is collected continuously, but it is not released continuously.
Methodological Transparency
8% of total score
The CWSA WRMU page describes the monitoring network (station types and counts) but does not publish sensor specifications, calibration protocols, data quality standards, or methodology for translating water-level readings into storage volumes. No metadata or methodology document has been found in public sources.
Language and Usability
5% of total score
English is the sole official language. All CWSA communications and the website are in English, making them fully accessible to international users. No language barrier exists, though the paucity of structured data limits practical usability regardless of language.
Evaluator notes
Saint Vincent and the Grenadines has meaningful water monitoring infrastructure — CWSA's WRMU operates a distributed automatic sensor network — but the gap between data collection and public data publication is wide. Information reaches the public through situational communications (social media, radio) during water crises rather than through a structured open-data system. The country relies on river-fed catchment intake systems rather than large impoundment reservoirs, which also limits the volume of 'reservoir level' data that would exist even under full transparency. The territory's small size, limited institutional capacity, and relatively recent history of severe drought events (2024 Drought Watch) create both the need and an opportunity for a simple public water-status dashboard. CWSA's existing automatic station network could supply such a system without additional sensing infrastructure. Regional frameworks such as GWP-Caribbean and IWCAM have supported hydrological capacity building in SVG, but the resulting data has not been routed to public platforms.
Evaluated by Jaime Delgado · 2026-09-15 · Methodology v1.3.0