| S/NO. | Borehole location | Geomorphic zone | Total depth drilled (m) | Static water level (m) |
| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 | Ogbo Edocha Port Harcourt (Old GRA) Ndoni Idu Ebubu Azikoro Swali Finima (Life camp) Onne (FOT)* Finima (BRT) Bassambiri Atubo Nembe Ogbia Brass Twon Brass Brass (NAOC Tank farm) Otegila Okoroba Amakalakala Otugidi Otuesaga Owaza Kolo creek Onne (NAFCON) Otakeme Omoku Aleto Eleme Bukuma Kala Degema Abissa Bille Opiro Rumonye Chokocho Egwi Umuechem Okrika Ibuluya-Dikibo Bolo 1 Abam Ama Okujiagu George Ama | CPS CPS CPS CPS CPS CPS FWS FWS CBR CPS CBR CBR SWS SWS FWS CBR CBR CBR FWS FWS FWS FWS FWS CPS FWS CPS FWS SWP CPS SWS SWS SWS SWS SWS CPS CPS CPS CPS SWS SWS SWS SWS SWS SWS | 186 185 207 182 185 92 335 335 360 190 360 250 193 195 198 192 260 256 185 225 160 426 102 152 102 264 300 183 150 183 171 147 193 138 188 132 201 132 113 180 92 128 110 200 | 7.0 4.26 5.5 7.55 6.2 6.0 8.6 8.8 1.3 6.0 1.0 0.8 1.37 2.1 2.5 0.69 1.2 0.8 4.0 0.0 9.14 0.91 12.19 3.6 5.2 7.49 4.2 0.68 7.75 1.25 2.8 0.4 0.6 13 22 10 8.25 5.5 11.4 8.2 5.5 ARTESIAN 0.7 0.9 |