England WFD Site Classifications (Ammonia)

This dataset visualises classification changes at individual sites across England using point data from the DEFRA Data Services Platform (DSP) for the 2016, 2019, and 2022 River Basin Management Plan cycles. Each site is represented by stacked circle-shaped symbols, with one circle per assessment year: the largest for 2016, medium for 2019, and smallest for 2022, layered centrally. This visual format highlights temporal trends at each site, allowing users to quickly assess where water body status has improved, declined, or remained unchanged over time. The dataset provides a location-specific view of classification trajectories, distinct from broader catchment or water body analyses. Key Features: Point-based, site-level classification data Three monitoring cycles: 2016, 2019, 2022 Circles symbol sizing conveys temporal sequence (smallest = latest) Supports identification of trends and intervention priorities at specific sites Coverage: England (individual classification sites)