The Journal of

Background: Population growth, urban development due to the migration to the cities and the increasing demand are of the component that influences on volume of water available. therefore water conservation in cities, espically in yazd is very important. Methods: This research as a cross-sectional study was conducted on high consumption households. Sampling was carried out to cluster method and in two stages, finally 188 questionnaires by SPSS statistical software (T-test, Mann-Whitney) were analyzed. Results: Average and SD of knowledge scores 60.04 ± 15.5, the attitude 22.28 ± 3.97 and the practice was 11.6 ± 3.63. This study showed that there is a statistically significant association between total knowledge with job and sex. The results of factor analysis indicated that the category of "other parts of the house(cooler, washing automobiles,devices of reducer water consumption, etc)," the highest and category of "causes of water loss at house (washing yard, water leak from pipes, non-closure water faucet when brushing your teeth, etc.)" had the lowest contribution in the states of total knowledge. There isn’t any statistically significant association between the attitudes and practice of households in all the variables. Conclusion: The results showed that studied households have relatively good level of practice than the water conservation behaviors. However, intervention efforts to promote these behaviors to a higher level, is important and necessary.