4. description of the environment - Gujarat Pollution Control Board

Final Feasibility Report
Preparation of Feasibility– cum-Preliminary Design for 4/6 Laning
of Jetpur-Somnath section of NH 8D, Package No:
NHAI/DBFOII/DPR/02
The results of the water quality analysis are given in Table 4-9 and Table 4-10.
VOLUME III:
ENVIRONMENTAL IMPACT ASSESSMENT
Table 4-9: Water Quality Results
Sl.
No. Parameter
River
UBEN LOI OZAT MEGAL DEVKA
Sahajanand
Swami
Gurukul
Borewell
At the
Junction
near
Panidhra
Village
Jetpur
Industrial
Area
CPCB
Norms
for
Surface
Waters
IS:10500
Norms
for
Drinking
Waters
1 Colour Clear Colour Less
2 Odour Odour Less
3 Turbidity
(NTU)
None 5
4 ph (Unit) 7.7 7.36 7.72 7.8 7.9 7.58 7.4 7.78
5 Temperature
(Deg. C)
6
7
8
Total
Dissolved
Solids (mg/l)
Ether Soluble
(Oil & Greece)
Total
Hardness as
CaCO3
(mg/l)
9 Chloride
(mg/l)
10 Sulphate
(mg/l)
11 Phosphate
(mg/l)
12
Bio Chemical
Oxygen
Demand (3
Days at 27 C)
(mg/l)
28 31 33 32 31 32 32 31 40
5.5 to
9.0
6.5-8.5
593 571 445 480 266 925 1080 1430 2100 2000
NIL
198 170 112 112 92 258 295 325 300
124 208 172 168 86 335 380 482 1000 1000
48 61 51 40 38 110 118 154 1000 400
1 2 1 2 2 5.0
NIL
13 Lead (mg/l) NIL 0.1 0.05
14 Arsenic (mg/l) NIL 0.2 0.05
15 Iron (mg/l) NIL 1.0
16
Total
Coliforms
(CFU/100 ml)
NIL
17 E. Coli Absent
Source: Monitoring and Analysis by Vaibhav Enviro Consltants, Ahmedabad
Table 4-10: On-Site Sea Water Quality Monitoring Results (Arabian Sea near Somnath Temple)
Sl No Parameters Concentration
1 Dissolved Oxygen (mg/l) 6.84
2 Temperature (deg C) 24
3 pH 7.11
4 Oil and Grease (either soluble) (mg/l) Nil
5 COD (mg/l) 20
4-15