Evaluation of statistical sampling for the assessment of residential consumption totals in water distribution networks

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Abstract

The paper provides insights into stratified sampling, a standard statistical technique that may beemployed to assess domestic water use in water distribution networks. The basic idea is to use onlyfew meters to provide inference on the total water consumption of a network or of a district meteredarea through the knowledge of some additional stratification variables such as household typology,size and occupants number. Since any sampling procedure assumes that the variance of the variableat stake is known, either a suitable amount of past consumption data is necessary, or a specificpreliminary survey must be carried out, in order to define the sampling plan. An application with realconsumption data from a small municipality in Sicily (Italy) shows that number of occupants for eachhousehold is sufficient to design an effective sampling plan and that the methodology can besuccessfully applied in the technical practice, thus allowing to dramatically reduce the number ofcustomer meters to be read in order to quantify total water consumption compared to standardpractice based on the reading of all meters.
Lingua originaleEnglish
Numero di pagine8
RivistaWater Science and Technology: Water Supply
Volumein stampa
Stato di pubblicazionePublished - 2014

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sampling
water
typology
water use
stratification
methodology
distribution
evaluation
consumption
water consumption
plan
municipality
household

All Science Journal Classification (ASJC) codes

  • Water Science and Technology

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title = "Evaluation of statistical sampling for the assessment of residential consumption totals in water distribution networks",
abstract = "The paper provides insights into stratified sampling, a standard statistical technique that may beemployed to assess domestic water use in water distribution networks. The basic idea is to use onlyfew meters to provide inference on the total water consumption of a network or of a district meteredarea through the knowledge of some additional stratification variables such as household typology,size and occupants number. Since any sampling procedure assumes that the variance of the variableat stake is known, either a suitable amount of past consumption data is necessary, or a specificpreliminary survey must be carried out, in order to define the sampling plan. An application with realconsumption data from a small municipality in Sicily (Italy) shows that number of occupants for eachhousehold is sufficient to design an effective sampling plan and that the methodology can besuccessfully applied in the technical practice, thus allowing to dramatically reduce the number ofcustomer meters to be read in order to quantify total water consumption compared to standardpractice based on the reading of all meters.",
author = "Antonino Fortunato and Claudio Arena and Mazzola, {Mario Rosario}",
year = "2014",
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journal = "Water Science and Technology: Water Supply",
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T1 - Evaluation of statistical sampling for the assessment of residential consumption totals in water distribution networks

AU - Fortunato, Antonino

AU - Arena, Claudio

AU - Mazzola, Mario Rosario

PY - 2014

Y1 - 2014

N2 - The paper provides insights into stratified sampling, a standard statistical technique that may beemployed to assess domestic water use in water distribution networks. The basic idea is to use onlyfew meters to provide inference on the total water consumption of a network or of a district meteredarea through the knowledge of some additional stratification variables such as household typology,size and occupants number. Since any sampling procedure assumes that the variance of the variableat stake is known, either a suitable amount of past consumption data is necessary, or a specificpreliminary survey must be carried out, in order to define the sampling plan. An application with realconsumption data from a small municipality in Sicily (Italy) shows that number of occupants for eachhousehold is sufficient to design an effective sampling plan and that the methodology can besuccessfully applied in the technical practice, thus allowing to dramatically reduce the number ofcustomer meters to be read in order to quantify total water consumption compared to standardpractice based on the reading of all meters.

AB - The paper provides insights into stratified sampling, a standard statistical technique that may beemployed to assess domestic water use in water distribution networks. The basic idea is to use onlyfew meters to provide inference on the total water consumption of a network or of a district meteredarea through the knowledge of some additional stratification variables such as household typology,size and occupants number. Since any sampling procedure assumes that the variance of the variableat stake is known, either a suitable amount of past consumption data is necessary, or a specificpreliminary survey must be carried out, in order to define the sampling plan. An application with realconsumption data from a small municipality in Sicily (Italy) shows that number of occupants for eachhousehold is sufficient to design an effective sampling plan and that the methodology can besuccessfully applied in the technical practice, thus allowing to dramatically reduce the number ofcustomer meters to be read in order to quantify total water consumption compared to standardpractice based on the reading of all meters.

UR - http://hdl.handle.net/10447/101004

M3 - Article

VL - in stampa

JO - Water Science and Technology: Water Supply

JF - Water Science and Technology: Water Supply

SN - 1606-9749

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