Ecological Problems Of Modernization Of Ural Region Of Russia
Table 2:
| Year | Share of industrial water use | Share of reuse and recycling of the water in industry | Level of sewage treatment |
| 1961 | 89.0 | 50.6 | 27.0 |
| 1971 | 89.2 | 54.0 | 39.8 |
| 1981 | 90.3 | 61.1 | 42.3 |
| 1986 | 92.1 | 73.3 | 51.7 |
| 1991 | 94.5 | 82.4 | 57.3 |