GOVERNMENT OF INDIA
Ministry of Water Resources
RAJYA SABHA
UNSTARRED QUESTION NO. 764
ANSWERED ON MARCH 04, 2013
QUESTION
Contamination of Ground Water in Karnataka
764. SHRI RAJEEV CHANDRASEKHAR:
Will the Minister of WATER RESOURCES be pleased to state:
(a) whether any survey by any Government agency has been conducted in Karnataka about the contamination of ground water in the State;
(b) if so, the details thereof and the outcome of the survey, district-wise; and
(c) what corrective steps have been taken or proposed to be taken to address this problem in the State?
ANSWER
THE MINISTER OF WATER RESOURCES
(SHRI HARISH RAWAT)
(a) Central Ground Water Board (CGWB) under the Ministry of Water Resources, Government of India and the Departments of Mines & Geology and the Panchayati Raj & Engineering under the Government of Karnataka have conducted surveys about contamination of ground water in the State.
(b) Chemical analysis of Water samples collected as a part of ground water monitoring carried out by CGWB indicated presence of excess Nitrate, Fluoride, Salinity and Radon above the maximum permissible limit in ground water. District-wise details are given in Annexure. The study conducted by Rural Development & Panchayati Raj Department, Karnataka also revealed presence of Arsenic above the maximum permissible limit of more than 0.05mg/l in 76 villages. Besides, out of 147 samples analysed for arsenic in Shorapur Taluka of Gulbarga district, in 25 samples arsenic was found beyond permissible limits.
(c) Since in situ treatment of polluted aquifers is difficult, remedial measures are concentrated on providing alternate source of water supply. CGWB under the Ministry of Water Resources assists the State Government in identifying aquifers which are free from contaminants. Besides this, State Government of Karnataka has informed that it has taken up 359 Multi Villages Schemes wherever surface water is available as alternate source. Water treatment plants are also being installed to provide safe potable drinking water at a rate of 10 litre per capita per day (lpcd) wherever surface water is not available.
ANNEXURE
Annexure referred to in reply to Rajya Sabha Admitted Unstarred Question No. 764, answered on 04.03.2013 regarding "Contamination of Groundwater in Karnataka"
District wise ground water samples analysed for Salinity, Nitrate, Fluoride & Radon contamination.
|
District |
Salinity (EC) |
Nitrate |
Iron |
Fluoride |
Radon |
||||||||||
|
Samples analysed |
Above Permissible limit |
% |
Samples analysed |
Above Permissible limit |
% |
Samples analysed |
Above Permissible limit |
% |
Samples analysed |
Above Permissible limit |
% |
Samples analysed |
Above Permissible limit |
% |
|
| Bagalkot |
290 |
55 |
19 |
186 |
111 |
60 |
23 |
6 |
26 |
224 |
41 |
18 |
--- |
--- |
--- |
| Bangalore
Rural |
218 |
5 |
2 |
153 |
69 |
45 |
24 (including Ramnagaram) |
3 |
13 |
172 |
3 |
2 |
--- |
--- |
--- |
| Bangalore Urban |
142 |
13 |
9 |
105 |
54 |
51 |
123 |
0 |
0 |
30 |
30 |
100 |
|||
| Belgaum |
833 |
80 |
10 |
546 |
225 |
41 |
67 |
19 |
28 |
635 |
13 |
2 |
--- |
--- |
-- |
| Bellary |
325 |
77 |
24 |
238 |
162 |
68 |
16 |
1 |
6 |
260 |
59 |
23 |
--- |
--- |
-- |
| Bidar |
311 |
0 |
0 |
205 |
72 |
35 |
15 |
--- |
-- |
260 |
7 |
3 |
--- |
--- |
-- |
| Bijapur |
458 |
50 |
11 |
307 |
178 |
58 |
35 |
2 |
6 |
365 |
57 |
16 |
--- |
--- |
-- |
| Chamarajnagar |
226 |
12 |
5 |
157 |
71 |
45 |
6 |
--- |
-- |
190 |
8 |
4 |
7 |
1 |
14 |
| Chikballapur |
350 |
33 |
9 |
244 |
133 |
55 |
--- |
--- |
-- |
288 |
34 |
12 |
--- |
--- |
-- |
| Chikmagalur |
373 |
17 |
5 |
168 |
53 |
32 |
28 |
6 |
21 |
227 |
1 |
0 |
--- |
--- |
-- |
| Chitradurga |
330 |
57 |
17 |
220 |
122 |
55 |
15 |
8 |
53 |
238 |
53 |
22 |
--- |
--- |
-- |
| Dakshina Kannada |
307 |
1 |
0 |
53 |
1 |
2 |
29 |
8 |
28 |
179 |
1 |
1 |
--- |
--- |
-- |
| Davangere |
252 |
15 |
6 |
187 |
98 |
52 |
12 |
8 |
67 |
213 |
40 |
19 |
--- |
--- |
-- |
| Dharwad |
306 |
92 |
30 |
173 |
91 |
53 |
15 |
--- |
-- |
236 |
10 |
4 |
--- |
--- |
-- |
| Gadag |
169 |
42 |
25 |
106 |
66 |
62 |
17 |
--- |
-- |
115 |
20 |
17 |
--- |
--- |
-- |
| Gulbarga |
614 |
15 |
2 |
440 |
190 |
43 |
65(including Yadgir) |
15 |
-- |
499 |
64 |
13 |
--- |
--- |
-- |
| Hassan |
456 |
4 |
1 |
306 |
146 |
48 |
35 |
6 |
17 |
350 |
4 |
1 |
--- |
--- |
-- |
| Haveri |
187 |
29 |
16 |
110 |
60 |
55 |
15 |
--- |
-- |
125 |
10 |
8 |
--- |
--- |
-- |
| Kodagu |
214 |
1 |
0 |
104 |
33 |
32 |
20 |
1 |
5 |
135 |
0 |
0 |
--- |
--- |
-- |
| Kolar |
431 |
33 |
8 |
302 |
149 |
49 |
12 (including chikballapur) |
2 |
-- |
382 |
44 |
12 |
--- |
--- |
-- |
| Koppal |
267 |
37 |
14 |
217 |
138 |
64 |
31 |
7 |
23 |
246 |
70 |
28 |
--- |
--- |
-- |
| Mandya |
362 |
39 |
11 |
252 |
155 |
62 |
24 |
--- |
-- |
281 |
22 |
8 |
--- |
--- |
-- |
| Mysore |
374 |
22 |
6 |
267 |
139 |
52 |
27 |
2 |
7 |
307 |
7 |
2 |
4 |
0 |
0 |
| Raichur |
341 |
74 |
22 |
261 |
140 |
54 |
36 |
12 |
33 |
307 |
104 |
34 |
--- |
--- |
-- |
| Ramanagaram |
256 |
10 |
4 |
191 |
91 |
48 |
Included with Bangalore |
--- |
-- |
219 |
9 |
4 |
--- |
--- |
-- |
| Shimoga |
336 |
8 |
2 |
183 |
53 |
29 |
30 |
1 |
3 |
225 |
4 |
2 |
--- |
--- |
-- |
| Tumkur |
448 |
55 |
12 |
290 |
152 |
52 |
19 |
11 |
58 |
349 |
58 |
17 |
22 |
22 |
100 |
| Udupi |
265 |
18 |
7 |
59 |
10 |
17 |
22 |
3 |
14 |
144 |
0 |
0 |
--- |
--- |
-- |
| Uttara Kannada |
505 |
2 |
0 |
190 |
5 |
3 |
24 |
4 |
17 |
281 |
1 |
0 |
--- |
--- |
-- |
| Yadgir |
277 |
26 |
9 |
203 |
94 |
46 |
--- |
--- |
-- |
218 |
59 |
27 |
--- |
--- |
-- |
| Total |
10223 |
922 |
9 |
6423 |
3061 |
48 |
662 |
125 |
21 |
7793 |
803 |
10 |
63 |
53 |
84 |
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