Urban water census | (S) |
Reference period |
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Year:
2015
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General characteristics |
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Contents:
Urban water supply chain; Urban water services management
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Analysis units:
Water management companies; Drinking water abstraction sources; Urban wastewater treatment plants; Public water supply networks; Sewerage networks
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Periodicity:
Occasional
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EU legislation:
No
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Survey design |
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Type:
Census
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Data collection |
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Reporting units:
Water management companies
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Data collection mode:
Self-administered data collection via electronic transmission
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Total units:
3132
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Respondents:
2715
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Quality |
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Prevention, monitoring and evaluation of unit nonresponse:
Initiatives to foster survey participation; Follow-ups of nonrespondent units/bodies
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Item nonresponse and measurement error treatment:
Adjustement methods to reduce the effects of measurement and partial nonresponse errors; Recontact of the units; Questionnaire testing
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Validation:
Coherence control with data from other surveys or sources; Coherence control with previous data of the same survey; Coherence control among indicators of different analysis units of the same survey; Control of influential unit data, strongly contributing to computation of aggregates
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Data dissemination |
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Istat data bases:
I.Stat
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Other data bases:
Aquastat (FAO) - Food and Agriculture Organization of the United Nations (FAO); Banca dati Eurostat - Eurostat (Statistical office of the European Union); Database OCSE - Organisation for Economic Co-operation and Development (Oecd); Urban audit - Eurostat (Statistical office of the European Union)
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Press releases:
Water census; World water day: Istat water statistics; Giornata mondiale dell'acqua: le statistiche dell'Istat
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Timeliness of provisional data:
10 months and 28 days
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Timeliness of final data:
1 year, 2 months and 22 days
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