The phrase "a catchment of" is correct and usable in written English.
It is typically used in contexts related to geography, hydrology, or resource management to refer to an area from which water or resources are collected or drained.
Example: "The study focused on the catchment of the river, analyzing the impact of urban development on water quality."
Alternatives: "a watershed of" or "a drainage area of".
His scholarship, as he later discovered, was one of only 30 available prewar for a catchment of 65,000 children of his age.
From the Isle of Dogs, where he started out in the days when it was definitely not the home to bankers, to Newham, where he took the local comp from sink to stellar, then on to Mossbourne, where he created one of the UK's most outstanding comprehensives with a catchment of one of its poorest estates, he has driven success after success.
The WWTP discharges into a small stream (Furtbach) with a catchment of 12 km2 consisting of 24%% forest, 42 % agriculture and 29%% urban use (5%% other uses).
To this end, 23 measurement campaigns were carried out during a period of 8 months at 5 sites located in central Italy, within a catchment of ∼6 km2.
It is a gravity section masonry dam with a surface area of 211 hectares and has a maximum volume of 1.2 × 107 m3 at full capacity, as well as a catchment of about 200 km200
The STREAM model, which was developed in Normandy (France), has been applied in two Belgian catchments having a similar soil texture, as well as in a catchment of southern France differing by soil, land use and climate characteristics.
The reservoir has a catchment area of, and is capable of holding 7 GWh of energy.
The hospital serves a catchment population of about 277,000 of whom 17% are aged less than five years.
They deliver services through Anganwadi centers (AWCs), serving a catchment area of a population of 1,000.
It has a catchment population of 77,403 as of the 2008 2009 census (36).
The Health Region serves a catchment population of 390,000 people, of whom around 27% are over 60 years old.
