Vol. 8, Issue 11, Part A (2022)

The physico-chemical parameters varied seasonally. The Secchi disc values varied from 26.8 to 60.5 cm. The pH remained alkaline between 8 to 9 in both years. The dissolved oxygen varied from 5.2 to 7.8 mg/l during both years. The total alkalinity values ranged between 132.5 and 301.8 mg/l. The total hardness values varied from 221.4 to 322.9 mg/l for the reservoir. Calcium content was fluctuated from 31.5 to 48.3 mg/l. The magnesium values are ranged between 17.3 to 22.4 mg/l. The values of total dissolved solids were observed from 313.7 to 601.1 mg/l. Chlorides and total dissolved solids were maximum during summer and minimum in winter season. In correlation matrix free carbon di-oxide is negatively correlated with all parameters except magnesium. This paper reports the physico-chemical characteristics and correlation matrix of Umrar dam of Umaria district in Madhya Pradesh where limnological studies were conducted from August 2020 to July 2022.