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Lorna Grace Okotto

Biographic Data

ID4470283
NAMELorna Grace Okotto
GIVEN NAMESLorna Grace
FAMILY NAMEOkotto
SIGNATUREOKOTTO L G
AFFILIATIONSJaramogi Oginga Odinga University of Science and Technology
ORCID0000-0003-0109-3942
VERIFIEDYes
TOTAL WORKS4
TOTAL CITATIONS0
AUTHOR COUNT4
EDITOR COUNT0
FIRST PUBLICATION YEAR2015
LATEST PUBLICATION YEAR2026
H-INDEX0
  • Sustainment and sustainability of the delegated management model of urban water service delivery

    Open Access•Lorna Grace Okotto, Joseph Okotto-Okotto et al.•ARTICLE•Sustainable Futures•2026

    Utility/small-scale service provider partnerships are a pro-poor water service delivery mechanism that also reduce non-revenue water and generate employment. Since 2006, a water utility in Kisumu (Kenya) has operated such a partnership programme, the Delegated Management Model (DMM). Implementation science explicitly examines how setting and individuals’ experiences influence public health programme adaptation, but few studies have applied implem…

  • The impact of the delegated management model of urban piped service delivery on water quality in Kisumu, Kenya

    Open Access•Lorna Grace Okotto, Joseph Okotto-Okotto et al.•ARTICLE•Utilities Policy•2025•References: 1

    Delegated management (DMM) is a water service delivery model, whereby micro-operators financially and operationally manage underserved areas of a piped network. This post-hoc evaluation aimed to assess the impact of DMM on water safety. Kiosk and household stored water in DMM and matched control areas were tested for microbiological quality, showing comparable, substantial post-collection contamination. DMM increased household piped connections, …

  • On the use of household expenditure surveys to monitor mismanaged plastic waste from food packaging in low- and middle-income countries

    Open Access•Jim Wright, Simon Damkjaer et al.•ARTICLE•Environmental Research Letters•2022

    Background: substantial increases in plastic production have resulted in plastics proliferating of in the environment, with subsequent seabed plastic deposition and ingestion by marine fauna. There is an urgent need to monitor mismanaged plastic waste from household consumption. Household expenditure survey analysis has quantified mismanaged plastic waste generated from household packaged (bottled or bagged) water consumption, but not from consum…

  • A Longitudinal Study of Long-Term Change in Contamination Hazards and Shallow Well Quality in Two Neighbourhoods of Kisumu, Kenya

    Open Access•Joseph Okotto-Okotto, Lorna Grace Okotto et al.•ARTICLE•International Journal of…•2015

    Sub-Saharan Africa is experiencing rapid urbanisation and many urban residents use groundwater where piped supplies are intermittent or unavailable. This study aimed to investigate long-term changes in groundwater contamination hazards and hand-dug well water quality in two informal settlements in Kisumu city, Kenya. Buildings, pit latrines, and wells were mapped in 1999 and 2013-2014. Sanitary risk inspection and water quality testing were condu…

No prominent works on this page.

  • A Longitudinal Study of Long-Term Change in Contamination Hazards and Shallow Well Quality in Two Neighbourhoods of Kisumu, Kenya

    Open Access•Joseph Okotto-Okotto, Lorna Grace Okotto et al.•ARTICLE•International Journal of…•2015

    Sub-Saharan Africa is experiencing rapid urbanisation and many urban residents use groundwater where piped supplies are intermittent or unavailable. This study aimed to investigate long-term changes in groundwater contamination hazards and hand-dug well water quality in two informal settlements in Kisumu city, Kenya. Buildings, pit latrines, and wells were mapped in 1999 and 2013-2014. Sanitary risk inspection and water quality testing were condu…

  • On the use of household expenditure surveys to monitor mismanaged plastic waste from food packaging in low- and middle-income countries

    Open Access•Jim Wright, Simon Damkjaer et al.•ARTICLE•Environmental Research Letters•2022

    Background: substantial increases in plastic production have resulted in plastics proliferating of in the environment, with subsequent seabed plastic deposition and ingestion by marine fauna. There is an urgent need to monitor mismanaged plastic waste from household consumption. Household expenditure survey analysis has quantified mismanaged plastic waste generated from household packaged (bottled or bagged) water consumption, but not from consum…

  • The impact of the delegated management model of urban piped service delivery on water quality in Kisumu, Kenya

    Open Access•Lorna Grace Okotto, Joseph Okotto-Okotto et al.•ARTICLE•Utilities Policy•2025•References: 1

    Delegated management (DMM) is a water service delivery model, whereby micro-operators financially and operationally manage underserved areas of a piped network. This post-hoc evaluation aimed to assess the impact of DMM on water safety. Kiosk and household stored water in DMM and matched control areas were tested for microbiological quality, showing comparable, substantial post-collection contamination. DMM increased household piped connections, …

  • Sustainment and sustainability of the delegated management model of urban water service delivery

    Open Access•Lorna Grace Okotto, Joseph Okotto-Okotto et al.•ARTICLE•Sustainable Futures•2026

    Utility/small-scale service provider partnerships are a pro-poor water service delivery mechanism that also reduce non-revenue water and generate employment. Since 2006, a water utility in Kisumu (Kenya) has operated such a partnership programme, the Delegated Management Model (DMM). Implementation science explicitly examines how setting and individuals’ experiences influence public health programme adaptation, but few studies have applied implem…

Environmental Science (3 works) · Geography (3 works) · Child Nutrition and Water Access (2 works) · Economics (2 works) · Environmental planning (2 works) · Quality (philosophy (2 works) · Water resource management (2 works) · Agricultural economics (1 works) · Biology (1 works) · Business (1 works)

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