Suitability Assessment of Surface Water Quality for Irrigation: A Case Study of Modjo River, Ethiopia

Table 7

Concentration of specific ion for toxicity in the study area.

Specific ion for toxicity	Sampling stations						FAO
	1	2	3	4	5	6
Chloride (mg/L)	58.8	5.0	32.6	9.3	9.1	8.5	106.5
Boron (mg/L)	3.10	0.04	0.90	1.15	2.40	1.05	3.00
Chromium (mg/L)	0.02	0.04	0.15	0.13	0.11	0.13	0.10