Definition of catchment area in US English:

catchment area


  • 1The area from which rainfall flows into a river, lake, or reservoir.

    • ‘Water quality in reservoirs will also be improved and the forests in their catchment areas better protected.’
    • ‘The dam was built between 1912 and 1915 and relies on rainfall in a catchment area covering 407.5 square kilometres.’
    • ‘Lake Dongting is the first major catchment area of the Yangtze and is one of the main natural defences against flooding for the tens of millions of people living along the river.’
    • ‘The lake overflowed as the catchment area of the lake has been receiving heavy rain for the last one week.’
    • ‘They also argue the dam would damage the environment and agriculture in river catchment areas.’
    • ‘Environmentalists, however, say that the whole environment of river catchment areas is in decline.’
    • ‘They explored large areas of the Victoria River catchment area and went as far as 500 kilometres south to the edge of the Great Sandy Desert.’
    • ‘We have also been collecting data on watersheds and catchment areas in the Annapolis Valley.’
    • ‘Contrary to heavy rainfall in the plains, there seems to be less rainfall in the catchment area of the Gobind Sagar reservoir in Himachal Pradesh.’
    • ‘She said that this bill was all about the proper management of resources in the Waitaki River catchment area.’
    • ‘The Wairarapa farming region north of the capital was placed on flood alert after some 200 mm of rain fell in hill catchment areas, swelling four regional rivers.’
    • ‘Due to failure of monsoon and negligible rain in catchment areas inflow had been considerably less than the last year figures.’
    • ‘Let's hope that some of last night's rain ended up in the right places, such as catchment areas, reservoirs, etc.’
    • ‘Demand for water in the catchment areas of the river is bound to increase if people start irrigating their crops.’
    • ‘Small streams are common on many moors and upper river catchment areas.’
    • ‘Rampant destruction of mountain slopes has eroded soil in water catchment areas, a problem exacerbated by the fast-flowing, short rivers that make collection difficult.’
    • ‘The State has only four medium rivers with a total catchment area of 8,250 sq. km. Remaining rivers are only minor rivers.’
    • ‘Rampant pollution, sand mining and destruction of the forest cover in its catchment area have spelt doom for the river.’
    • ‘The scheme is aimed at enhancing rivers and lakes in the Mayo catchment area.’
    • ‘Moreover, the development would cause serious traffic congestion, reduce the water catchment area and increase the crime rate in the area.’
  • 2British The area of a city, town, etc., from which a hospital's patients or school's students are drawn.

    • ‘She said there is a strong demand for Russian language development in west London and Surrey, and she expects to receive pupils from a wide catchment area.’
    • ‘Where we live, we do not fall into the catchment area of any secondary school!’
    • ‘The school is in excellent condition and is extremely popular with pupils and parents, with around half of its pupils coming from outside the traditional catchment area.’
    • ‘The proportion of African American and Hispanic patients in our catchment area is very low.’
    • ‘However, if this cannot be done then pupils from outside the catchment area will be told there is no guarantee that they will get a seat.’
    • ‘He said the hospital deserved support given the size of its catchment area and the high quality of many of its staff.’
    • ‘His school provides secondary education to a catchment area that covers some of the city's most deprived wards.’
    • ‘They were also against splitting the catchment area into two different areas.’
    • ‘There are an estimated 47,000 people in the hospital's catchment area with some kind of hearing difficulty.’
    • ‘But the most likely use of auditioning, she said, was to select highly talented pupils from outside the school and college's normal catchment area.’
    • ‘He said that as many as a dozen pupils live within the catchment area, but travel to the neighbouring primary school.’
    • ‘Delayed discharges continue and there have been a number of admissions of patients from outside the hospital's normal catchment area.’
    • ‘The surgery is taking on new patients from within the catchment area.’
    • ‘It is an expensive quandary involving private schools or moving house to be in the catchment area of a decent state school, and often it also means paying for extra tuition.’
    • ‘The city boundaries give the school a catchment area of three primary schools.’
    • ‘We compiled clinical and demographic data for each patient within the catchment area from case notes and computerised records.’
    • ‘A School Prospectus is available and has been distributed through the Primary Schools in the catchment area.’
    • ‘The Minister acknowledged the need to provide additional accommodation for older people at the District Hospital to serve the catchment area.’
    • ‘She said one third of pupils in her school's catchment area went to other schools, a scenario which is likely to worsen in the future.’
    • ‘This will make a difference to our school because it will boost numbers and add an extra village to our catchment area.’


catchment area

/ˈkɛtʃmənt ˈɛriə/