Table 3.
Distribution of Local Government Areas with varying fluoride levels in drinking water sources in different geopolitical zones
| Geopolitical zone |
Fluoride levels (PPM) | ||||||
| 0.00–0.30 | 0.31–0.60 | 0.61–0.80 | 0.81–1.10 | 1.11–1.50 | 1.51–2.50 | >2.50 | |
| North. Central + FCT |
26.3 | 44.7 | 5.3 | 10.5 | 5.3 | 5.3 | 2.6 |
| North East | 58.3 | 27.7 | 8.3 | 2.7 | 2.7 | 0.0 | 0.0 |
| North West | 67.6 | 35.1 | 10.8 | 5.4 | 0.0 | 0.0 | 0.0 |
| South-South | 75.0 | 11.1 | 2.8 | 2.8 | 2.8 | 2.6 | 0.0 |
| South East | 73.3 | 13.3 | 13.3 | 0.0 | 0.0 | 0.0 | 0.0 |
| South West | 66.7 | 25.0 | 2.8 | 0.0 | 2.8 | 2.8 | 0.0 |
| Mean | 62.0 | 20.8 | 7.8 | 4.2 | 2.6 | 2.6 | 0.5 |