Table 4.

Corrosion and scaling indexes in drinking water of Azogues city.

Number sample	Langelier index LSI	Ryznar index RSI	Puckorius index PSI
S1	−1.25	9.92	10.38
S2	−1.22	9.81	10.19
S3	−1.42	10.04	10.21
S4	−1.38	9.92	10.09
S5	−1.15	9.76	10.25
S6	−1.28	9.82	10.00
S7	−1.35	9.93	10.11
S8	−1.34	9.89	10.00
S9	−1.39	9.98	10.16
S10	−1.42	10.04	10.21
S11	−1.46	10.09	10.23
S12	−1.41	10.03	10.20
S13	−1.68	10.52	10.79
S14	−1.35	9.97	10.26
S15	−1.26	9.88	10.23
S16	−1.44	10.03	10.23
S17	−1.44	10.08	10.32
S18	−1.36	9.94	10.15
S19	−1.39	10.01	10.26
S20	−1.43	10.04	10.25
S21	−1.55	10.32	10.65
S22	−1.47	10.12	10.34
S23	−1.35	9.98	10.26
S24	−1.37	9.98	10.24
S25	−1.44	10.10	10.34
S26	−1.36	9.99	10.25
S27	−1.39	10.04	10.31
S28	−1.37	10.03	10.29
S29	−1.37	9.93	10.13
S30	−1.48	10.23	10.61