| Variables/Services/ Forms of Access | Water Supply | Sanitary Sewage | Garbage Collection | ||
| Mains | Mains or Well | Mains | Mains or Septic tank | ||
| Income per capita | −0.444*** | 0.030 | 0.217*** | 0.369** | 2.377*** |
| (0.135) | (0.128) | (0.061) | (0.144) | (0.184) | |
| Income per capita2 | 0.502*** | −0.069 | −0.285*** | −0.403** | −3.919*** |
| (0.181) | (0.170) | (0.082) | (0.202) | (0.277) | |
| Income per capita3 | −0.242*** | 0.034 | 0.114*** | 0.123 | 1.557*** |
| (0.080) | (0.069) | (0.039) | (0.102) | (0.138) | |
| Covariates | Yes | Yes | Yes | Yes | Yes |
| Dummy 2010 | Yes | Yes | Yes | Yes | Yes |
| Constant | Yes | Yes | Yes | Yes | Yes |
| Observations | 11.062 | 11.062 | 11.078 | 11.078 | 11.428 |
| Prob > F | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 |
| Hausman Test | 301.90*** | 239.62*** | 290.47*** | 481.51*** | 416.43*** |
| Y1 Maximum R$ mil) | --- | --- | 0.30 | 0.21 | 0.26 |
| Y2 Minimum (R$ mil) | --- | --- | 0.56 | 0.51 | 0.83 |