| Sr.
No |
Parameter |
|
Inland
surface water
|
Public
sewers
|
Land
for irrigation
|
Marine
coastal areas.
|
|
|
(a) |
(b) |
(c) |
(d) |
1 |
Colour and odour
|
See 6 of Annexure-I
|
--- |
See 6 of Annexure-I
|
See 6 of Annexure-I
|
2 |
Suspended Solids, µg/l,
Max
|
100 |
600 |
200 |
a) For process waste
water-100
b) For cooling water effluent -10 percent
above total suspended matter of influent.
|
3 |
Particle size of suspended
solids |
Shall pass 850 micron
IS Sieve
|
---- |
---- |
a) Floatable solids,
Max 3 mm
b) Settleable solids Max 850 microns.
|
4 |
*** |
* |
---- |
*** |
---- |
5 |
PH Value
|
5.5 to 9.0
|
5.5 to 9.0
|
5.5 to 9.0
|
5.5 to 9.0 |
6 |
Temperature
|
Shall not exceed 5oC
above the receiving water temperature.
|
---- |
---- |
Shall not exceed 5oC
above the receiving water temperature.
|
7 |
Oil and grease, µg/l.
max.
|
10 |
20 |
10 |
20 |
8 |
Total residual chlorine,
µg/l, Max.
|
1.0 |
--- |
--- |
1.0 |
9 |
Ammonical nitrogen (as
N), µg/l, Max.
|
50 |
50 |
-- |
50 |
10 |
Total Kjeldahi nitrogen
(as N), µg/l, Max.
|
100 |
--- |
--- |
100 |
11 |
Free Ammonia (as NH3)
µg/l, Max.
|
5.0 |
--- |
--- |
5.0 |
12 |
Biochemical oxygen demand
(5 days at 20 oC), µg/l, Max.
|
30 |
350 |
100 |
100 |
13 |
Chemical Oxygen demand,
µg/l, Max |
250 |
--- |
--- |
250 |
14 |
Arsenic (as As), µg/l,
Max.
|
0.2 |
0.2 |
0.2 |
0.2 |
15 |
Mercury (As Hg), µg/l,
Max.
|
0.01 |
0.01 |
--- |
0.01 |
16 |
Lead (as Pb), µg/l, Max.
|
0.1 |
1.0 |
-- |
1.0 |
17 |
Cadmium (as Cd), µg/l,
Max.
|
2.0 |
1.0 |
--- |
2.0 |
18 |
Hexzavalent chromium
(as Cr+6) µg/l, Max.
|
0.1 |
2.0 |
-- |
1.0 |
19 |
Total chromium (as Cr),
µg/l, Max.
|
2.0 |
2.0 |
--- |
2.0 |
20 |
Copper (as Cu), mg/l,
Max.
|
3.0 |
3.0 |
-- |
3.0 |
21 |
Zinc (as Zn), µg/l. Max.
|
5.0 |
15 |
-- |
15 |
22 |
Selenium (as Se), µg/l.
Max.
|
0.05 |
0.05 |
--- |
0.05 |
23 |
Nickel (as Ni) µg/l,
Max.
|
3.0 |
3.0 |
--- |
5.0 |
24 |
*** |
* |
* |
* |
* |
25 |
*** |
* |
* |
* |
* |
26 |
*** |
* |
* |
* |
* |
27 |
Cyanide (as CN), µg/l,
Max.
|
0.2 |
2.0 |
0.2 |
0.2 |
28 |
*** |
* |
* |
* |
* |
29 |
Fluoride (as F), µg/l,
Max.
|
2.0 |
15 |
--- |
15 |
30 |
Dissolved Phosphates
(as P), µg/l, Max |
5.0 |
- |
- |
- |
31 |
*** |
* |
* |
* |
* |
32 |
Sulphide (as S), µg/l,
Max.
|
2.0 |
-- |
-- |
5.0 |
33 |
Phenoile Compounds (as
C6H5OH) µg/l, max.
|
1.0 |
5.0 |
-- |
5.0 |
34 |
Radioactive materials:
a) Alpha emitter micro curie/ml.
b) Beta emitter micro curie/ml.
|
10-7
10-6
|
10-7
10-6
|
10 -8
10 -7
|
10-7
10-6
|
35 |
Bio-assay test
|
90% survival of fish
after 96 hours in 100% effluent
|
90% survival of fish
after 96 hours in 100% effluent
|
90% survival of fish
after 96 hours in 100% effluent
|
90% survival of fish
after 96 hours in 100% effluent
|
36 |
Manganese (as Mn)
|
2 µg/l
|
2 µg/l
|
|
2 µg/l
|
37 |
Iron (as Fe)
|
3 µg/l |
3 µg/l |
|
3 µg/l |
38 |
Vanadium (as V)
|
0.2 µg/l.
|
0.2 µg/l.
|
|
0.2 µg/l.
|
39 |
Nitrate Nitrogen
|
10 µg/l
|
--- |
-- |
20 µg/l
|
40 |
*** |
* |
* |
* |
* |
