Correlation, Regression Analysis, and Spatial Distribution Mapping of WQI for an Urban Lake in Noyyal River Basin in the Textile Capital of India

Table 3

Brown and Horton method of WQI of the water samples.

Location	Brown method of WQI				Horton method of WQI
	Drinking	Classification	Irrigation	Classification	Drinking	Classification	Irrigation	Classification
Station 1	31.64	Good	94.35	Fit for irrigation	32.78	Good	94.88	Excellent
Station 2	48.97	Good	96.94	Fit for irrigation	44.09	Good	94.31	Excellent
Station 3	32.42	Good	98.77	Fit for irrigation	35.85	Good	100.54	Excellent
Station 4	48.20	Good	92.53	Fit for irrigation	39.38	Good	74.19	Excellent
Station 5	48.25	Good	98.99	Fit for irrigation	42.98	Good	91.96	Excellent
Station 6	47.59	Good	88.65	Fit for irrigation	40.89	Good	81.83	Excellent
Station 7	30.52	Good	87.13	Fit for irrigation	30.94	Good	83.80	Excellent
Station 8	63.93	Poor	85.56	Fit for irrigation	51.18	Fair	80.71	Excellent
Station 9	47.27	Good	86.57	Fit for irrigation	40.59	Good	79.73	Excellent
Station 10	30.74	Good	86.57	Fit for irrigation	32.54	Good	89.95	Excellent