| Random Points | River Altitude | Determined Groundwater | Observed Difference (m) | Standard Error of Estimates |
| 1 | 1014 | 1001 | 13 | 0.43 |
| 2 | 918 | 904 | 14 | 0.55 |
| 3 | 915 | 917 | −2 | 0.38 |
| 4 | 939 | 950 | −11 | 0.45 |
| 5 | 922 | 914 | 8 | 0.33 |
| 6 | 851 | 846 | 5 | 0.4 |
| 7 | 868 | 878 | −10 | 0.7 |
| 8 | 937 | 939 | −2 | 0.53 |
| 9 | 954 | 959 | −5 | 0.39 |