Effect of idol immersion on water quality and Tilapia fish in Futala, Gandhisagar and Ambazari lakes of Nagpur, India

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Table 3 Chemical parameters of the water samples in various lakes at Nagpur

Lakes		DO	TH	Sulphate	Ca	Mg	Pb	Cd	Cu	Fe	Mn
Futala	BII	4.25	78.12	50.2	44.2	7.08	0.076	0.024	0.483	0.125	0.060
Futala	AII	1.21	198.10	160.1	68.4	10.02	0.093	0.053	0.717	0.220	0.087
Gandhi Sagar	BII	4.09	103.60	69.2	54.3	9.63	0.081	0.034	0.522	0.185	0.076
Gandhi Sagar	AII	0.89	221.30	187.3	78.1	15.16	0.105	0.079	0.839	0.342	0.094
Ambazari	BII	5.29	154.35	43.9	40.02	19.23	0.046	0.019	0.329	0.103	0.050
Ambazari	AII	2.34	275.70	144.5	61.9	28.01	0.074	0.048	0.625	0.189	0.074
PL	-	4*	300	400	75	30	0.05	0.01	1.5	1.0	0.1

Note: BII-Before idol immersion, AII-After idol immersion. All values in mg/L. PL-Permissible limit of BIS in mg/L.DO-Dissolved Oxygen, TH- Total Hardness, *Tolerance limits (ISI-IS: 2296) for inland surface waters in India, class – d, e.