Table 2.
Concentrations of extractable petroleum hydrocarbons (EPHs) in drinking water from Ogoniland. Benzene concentrations were analyzed from a majority of the wells
| LGA | Sample ID number | Easting | Northing | Well type | EPH (μg L−1) | Benzene (μg L−1) |
|---|---|---|---|---|---|---|
| Eleme | 001-005-MED-101 | 292 337.00 | 529 419.00 | Bore-well | 19 900.00 | 8 370.00 |
| Eleme | 001-005-BH-02 | 293 036.00 | 529 204.00 | Bore-well | 4 280.00 | 0.65 |
| Eleme | 001-005-BH-04 | 292 622.00 | 529 954.00 | Bore-well | 317.00 | 0.65 |
| Eleme | 001-005-BH-103 | 292 494.00 | 529 220.00 | Bore-well | 1 320.00 | 161.00 |
| Eleme | 001-005-BH-104 | 292 537.00 | 529 161.00 | Bore-well | 233.00 | 0.65 |
| Eleme | 001-005-BW-100 | 292 824.00 | 529 568.00 | Bore-well | 42 200.00 | 7 090.00 |
| Eleme | 001-005-BH-102 | 292 343.00 | 529 425.00 | Bore-well | 20 200.00 | 9 280.00 |
| Eleme | 004-006-BH-105 | 292 355.00 | 529 650.00 | Bore-well | 299.00 | 0.65 |
| Eleme | 001-002-BH-102 | 294 053.00 | 528 548.00 | Bore-well | 642.00 | 0.65 |
| Eleme | 001-005-GW-104 | 292 479.00 | 529 671.00 | Hand-dug well | 20 300.00 | 7 140.00 |
| Eleme | 001-009-HW-01 | 295 675.00 | 527 820.00 | Hand-dug well | 12.00 | 0.65 |
| Eleme | 001-005-HW-100 | 292 914.00 | 529 315.00 | Hand-dug well | 39.30 | 0.65 |
| Gokana | 019-014-GW-100 | 308 385.00 | 514 030.00 | Hand-dug well | 63.00 | 0.65 |
| Gokana | 019-014-GW-102 | 308 411.00 | 514 064.00 | Hand-dug well | 11 500.00 | 0.65 |
| Gokana | 019-035-HW-104 | 309 480.00 | 514 389.00 | Hand-dug well | 12.00 | 0.65 |
| Gokana | 019-035-HW-12 | 309 477.00 | 514 392.00 | Hand-dug well | 21.00 | – |
| Gokana | 019-020-HW-15 | 308 887.00 | 513 109.00 | Hand-dug well | 4 240.00 | – |
| Gokana | 019-007-HW-101 | 308 737.00 | 515 315.00 | Hand-dug well | 15.00 | 0.65 |
| Tai | 008-002-HW-01 | 312 865.89 | 524 299.65 | Hand-dug well | 14.00 | – |
| Tai | 008-002-HW-03 | 312 798.00 | 523 604.00 | Hand-dug well | 12.00 | – |
| Tai | 008-002-HW-04 | 312 747.00 | 523 599.00 | Hand-dug well | 12.00 | – |
| Tai | 008-002-HW-11 | 312 871.00 | 523 654.00 | Hand-dug well | 11.00 | – |
| Tai | 008-002-HW-12 | 312 771.00 | 523 635.00 | Hand-dug well | 11.00 | – |
| Tai | 008-002-HW-13 | 312 779.00 | 523 475.00 | Hand-dug well | 13.00 | – |
| Tai | 005-009-HW-04 | 309 360.00 | 524 575.00 | Hand-dug well | 53.00 | 0.65 |
| Tai | 009-003-HW-101 | 306 246.00 | 522 066.00 | Hand-dug well | 54.70 | 0.65 |
| Tai | 009-003-HW-102 | 306 277.00 | 522 038.00 | Hand-dug well | 154.00 | 0.65 |
| Tai | 008-002-HW-100 | 312 760.00 | 524 379.00 | Hand-dug well | 59.40 | 0.65 |