| # | Concept | Culture | Statement | Freq. |
|---|---|---|---|---|
| 1 | drinking water standards | Nigeria | Often not met due to lack of infrastructure and resources | 1 |
| 2 | water quality | Nigeria | Reliance on alternative sources due to unreliable or unsafe municipal water supply | 1 |
| 3 | water quality standards | Nigeria | Challenges in meeting water quality standards due to rapid urbanization and inadequate infrastructure | 1 |