| Quality rating | Fair |
| Water type | Mixed |
| Borehole viable | Yes |
| Borehole depth | 80–120m |
| Treatment needed | Treatment advisable. Some areas have fresher water. |
| Sachet (pure water) | ₦500 | per bag (20 sachets) |
| Bottled water | ₦1,300 | per pack (12 bottles) |
| Tanker delivery | — | — |
| Borehole (drilling) | — | — |
| Borehole (monthly) | ₦15,000 | per month (Band A area) |
⚠ Water quality is fair — borehole water may need additional treatment beyond basic filtration. Test your water before relying on it for drinking. Consider a combination of borehole (for bathing/washing) and sachet water (for drinking).
ESTATE-MANAGED TANKER: Similar to VI — water typically included in service charges. Budget ₦70,000-₦120,000/month if not included.
Oniru shares the same brackish water table as VI and Lekki. Most Oniru estates include tanker delivery in service charges, but the quality varies significantly between estates. Ask your estate management for water source documentation before signing a lease.
Under the Lagos State Environmental Management Protection Law, drilling a borehole without LASWARCO authorization is illegal. Fine: ₦500,000 + up to 1 month imprisonment. Always obtain a permit before drilling, and hire a licensed hydrogeological surveyor to assess your site.
LASWARCO permit required. ₦500,000 fine + 1 month imprisonment for drilling without authorization.