| Quality rating | Bad |
| Water type | Salty |
| Borehole viable | No |
| Treatment needed | Reverse osmosis required. Most residents use tanker delivery. |
| Sachet (pure water) | ₦500 | per bag (20 sachets) |
| Bottled water | ₦1,300 | per pack (12 bottles) |
| Tanker delivery | — | — |
| Borehole (drilling) | ₦3,000,000 | one-time installation |
| Borehole (monthly) | ₦15,000 | per month (Band A area) |
⚠ Borehole no good here — groundwater na brackish and need expensive reverse osmosis treatment (₦200K–₦500K extra). Tanker delivery na di standard water source.
ESTATE-PROVIDED: Water dey inside Banana Island service charge. No need do anything.
Banana Island na di only Lagos neighborhood wey get genuinely independent water. Di estate management run im own water treatment plant. Water cost dey inside di big service charge (₦5-10M/year). For di ultra-wealthy family wey dey live here, water na one of di few Lagos problem wey money don actually solve.
Under Lagos State law, if you dig borehole without LASWARCO authorization, e illegal. Fine: ₦500,000 plus prison up to 1 month. Always get permit before you drill, and hire licensed surveyor.
LASWARCO permit needed. ₦500,000 fine plus 1 month prison if you drill without authorization.