What does this research mean for the field?

Tanker-delivered drinking water in Tamale Metropolis, Ghana, experiences significant post-treatment microbial contamination and elevated turbidity during transportation and storage due to inadequate operator hygiene and disinfection practices. Novelty: ClaimNovelty.CONFIRMATORY. Consensus alignment: ConsensusAlignment.NEUTRAL.

What question did this study set out to answer?

To evaluate the physicochemical and microbial safety of tanker-transported drinking water and identify handling practices that influence water quality degradation.

August 29, 2026Proceedings of the International Association of Hydrological SciencesOpen Access

Physicochemical and microbial quality of tanker-delivered drinking water in Tamale Metropolis, Ghana

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Authors

RORichard Agyemang OseiUniversity for Development Studies MWMoses Braimah WunpiniUniversity for Development Studies

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Implication

Observational study reveals microbial contamination and elevated turbidity in tanker-delivered drinking water, indicating significant post-treatment quality deterioration during distribution.

Key Points

To evaluate the physicochemical and microbial safety of tanker-transported drinking water and identify handling practices that influence water quality degradation.
Collected 54 drinking water samples across nine commercial tanker operators in Tamale Metropolis, Ghana, and analysed them using standard APHA methods.
Surveyed 50 tanker operators using structured questionnaires to document water sourcing, cleaning schedules, and sanitization practices.
Turbidity averaged 269.1 ± 0.04 NTU, exceeding World Health Organization limits in 100% of samples, with oxidation–reduction potential indicating inadequate residual disinfection.
Total coliforms occurred in 38.9% of samples (mean 47.96 ± 104.90 CFU/100 mL) and faecal coliforms occurred in 29.6% of samples (mean 40.59 ± 84.96 CFU/100 mL), confirming microbial contamination during transit and storage.

Cite This Study

Osei et al. (2026) studied this question.

synapsesocial.com/papers/6a9299db8e5d7d1fc0c1226f https://doi.org/10.5194/piahs-389-33-2026

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Implication

Observational study reveals microbial contamination and elevated turbidity in tanker-delivered drinking water, indicating significant post-treatment quality deterioration during distribution.

Physicochemical and microbial quality of tanker-delivered drinking water in Tamale Metropolis, Ghana

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Implication

Key Points

Cite This Study

Physicochemical and microbial quality of tanker-delivered drinking water in Tamale Metropolis, Ghana

Discussion

Member takes

Implication

Key Points

Cite This Study

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