Evaluation of trends for iron and manganese concentrations in wells, reservoirs, and water distribution networks, Qom city, Iran
Journal: Environmental Health Engineering and Management Journal (Vol.2, No. 2)Publication Date: 2015-06-06
Authors : Mohammad Fahiminia; Hossein Jafari Mansoorian; Mohsen Ansari; Ali Saifour Mofrad; Gharib Majidi; Reza Ansari Tadi; Maryam Sadat Tabatabai Majd;
Page : 67-72
Keywords : Iron; Manganese; Drinking water; Qom;
Abstract
Background: This study aimed to evaluated trends for iron and manganese concentrations in wells, reservoirs, and water distribution networks in Qom city during the summer of 2012. Methods: This was a cross-sectional study. The studied scopes consisted of groundwater (60 wells), reservoirs (10 tanks), and water distribution network (33 points). One sample was taken from each source monthly. Statistical tests used included post hoc tests (Tukey HSD). Finally, the results were compared with drinking water standards. Results: The average concentrations of iron in groundwater, reservoirs, and distribution networks were 0.09, 0.07, and 0.07 mg/l, respectively. The average concentrations of manganese in groundwater, reservoirs, and distribution networks were 0.15, 0.09, and 0.1 mg/l, respectively. The turbidity averages in groundwater, reservoirs, and distribution networks were 0.58, 0.6, and 0.52 NTU, respectively. The average concentrations of free chlorine residual in water reservoirs and distribution networks were 1.74 and 1.06 mg/l, respectively. The pH averages in groundwater, reservoirs, and distribution networks were 7.4, 7.7, and 7.5, respectively. The amounts of iron, manganese, turbidity, free chlorine residual, and pH in the investigated resources had no significant differences (P > 0.05). Conclusion: The amounts of iron, manganese, turbidity, free chlorine residual and pH in groundwater, reservoirs, and water distribution networks of Qom are within permissible limits of national standards and EPA guidelines. Only the amount of manganese was higher than the Environmental Protection Agency (EPA) permissible limit.
Other Latest Articles
- Strategic management of solid waste in Tehran: a case study in District no. 1
- Rethinking Relation between Unity and Plurality through Solidarity | Birlik ve Çokluk İlişkisini Dayanışma Üzerinden Yeniden Düşünmek
- DISPERSE COMPOSITION OF DUST IN THE ATMOSPHERE THE AIR SUPPLY AND VENTILATION OF MINE WORKINGS IN COAL MINES
- Humic acid removal from aqueous solutions by peroxi-electrocoagulation process
- Nurettin Topçu’da İnsan ve Şahsiyet | Human and Personality in Nurettin Topçu
Last modified: 2017-07-25 18:52:40