Lok Sabha Question No. 1849 (UNSTARRED), answered on 2017-03-14
Subject: Checking of Sewage Treatment Plants
Ministry: ENVIRONMENT,  FORESTS AND CLIMATE CHANGE
Asked by: SAVITRI THAKUR

## GOVERNMENT OF INDIA MINISTRY OF ENVIRONMENT, FOREST AND CLIMATE CHANGE

## LOK SABHA UNSTARRED QUESTION NO. 1849

TO BE ANSWERED ON 14.03.2017

## Checking of Sewage Treatment Plants

1849. SHRIMATI SAVITRI THAKUR:

Will the Minister of ENVIRONMENT, FOREST AND CLIMATE CHANGE be pleased to state:

- (a) whether the Government is aware that wastes from sewer lines and drains are falling into nearby rivers;
- (b) if so, the details thereof;
- (c) whether  sewage  treatment  facilities  is  available  with  each  sewer  line  for treatment of water;
- (d) if so, the details thereof;
- (e) ` whether  the  quality  of  water  treated  at  sewage  treatment  plants  is  being checked; and
- (f) if so, the details thereof?

## ANSWER

MINISTER OF STATE (INDEPENDENT CHARGE) FOR ENVIRONMENT, FOREST AND CLIMATE CHANGE (SHRI ANIL MADHAV DAVE)

- (a) to (d) Discharge  of  untreated  and  partially  treated  sewage  from  drains  and sewer lines of various towns/cities constitute a major source of pollution in rivers. As per a report published by Central Pollution Control Board (CPCB) in March, 2015, the sewage generation from urban areas in the country is estimated at 61,948 million litres per day (mld), against which a sewage treatment capacity of 23,277 mld, or 37% of the sewage generation is available. The State-wise details of sewage generation from urban areas and corresponding sewage treatment capacity available are at Annexure.
- (e) & (f) Over the past one year, CPCB has conducted performance evaluation of 337 Sewage Treatment Plants (STPs) installed in 17 States in the country and the following has been observed:
- i. 202 out of  265  STPs (for  which data  is  available)  are  meeting  the  stipulated discharge  standard  (30mg/l)  with  regards  to  Biochemical  Oxygen  Demand (BOD).
- ii. 247 out of 265 STPs are meeting the discharge standard of Chemical Oxygen Demand (COD) of 250 mg/l has been exceeded.
- iii. 212 out of 236 STPs (for which data is available) are meeting the discharge standard of 100 mg/l for Total Suspended Solids (TSS).

***

## A nnexure

Annexure referred to in reply  to parts (a) to  (d)  of  Lok  Sabha  Unstarred  Question  No. 1849  to  be  answered  on  Tuesday,  the  14 th   March,  2017  on  'Checking  of  Sewage Treatment Plants'

State-wise details of sewage generation in urban areas and treatment capacity available

| Sl. No.   | State/Union Territory     |   Sewage Generation in urban areas (mld) | Installed Treatment Capacity (mld)   |
|-----------|---------------------------|------------------------------------------|--------------------------------------|
| 1.        | Andaman & Nicobar Islands |                                       22 | -                                    |
| 2.        | Andhra Pradesh            |                                     2871 | 247.27                               |
| 3.        | Arunachal Pradesh         |                                       50 | -                                    |
| 4.        | Assam                     |                                      703 | 0.21                                 |
| 5.        | Bihar                     |                                     1879 | 124.55                               |
| 6.        | Chandigarh                |                                      164 | 314.5                                |
| 7.        | Chhattisgarh              |                                      951 | -                                    |
| 8.        | Dadra & Nagar Haveli      |                                       26 | -                                    |
| 9.        | Daman & Diu               |                                       29 | -                                    |
| 10.       | Goa                       |                                      145 | 74.58                                |
| 11.       | Gujarat                   |                                     4119 | 3062.92                              |
| 12.       | Haryana                   |                                     1413 | 852.7                                |
| 13.       | Himachal Pradesh          |                                      110 | 114.72                               |
| 14.       | Jammu & Kashmir           |                                      547 | 264.74                               |
| 15.       | Jharkhand                 |                                     1270 | 117.24                               |
| 16.       | Karnataka                 |                                     3777 | 1304.16                              |
| 17.       | Kerala                    |                                     2552 | 152.97                               |
| 18.       | Lakshadweep               |                                        8 | -                                    |
| 19.       | Madhya Pradesh            |                                     3214 | 482.23                               |
| 20.       | Maharashtra               |                                     8143 | 5160.36                              |
| 21.       | Manipur                   |                                      132 | -                                    |
| 22.       | Meghalaya                 |                                       95 | 1                                    |
| 23.       | Mizoram                   |                                       90 | 10                                   |
| 24.       | Nagaland                  |                                       92 | -                                    |
| 25.       | Delhi                     |                                     4155 | 2693.7                               |
| 26.       | Odisha                    |                                     1121 | 385.54                               |
| 27.       | Puducherry                |                                      136 | 68.5                                 |
| 28.       | Punjab                    |                                     1664 | 1245.45                              |
| 29.       | Rajasthan                 |                                     2736 | 865.92                               |
| 30.       | Sikkim                    |                                       24 | 31.88                                |
| 31.       | Tamil Nadu                |                                     5599 | 1799.72                              |
| 32.       | Telangana                 |                                     1671 | 685.8                                |
| 33.       | Tripura                   |                                      154 | 0.05                                 |
| 34.       | Uttar Pradesh             |                                     7124 | 2646.84                              |
| 35.       | Uttarakhand               |                                      495 | 152.9                                |
| 36.       | West Bengal               |                                     4667 | 416.9                                |
| Total     | Total                     |                                    61948 | 23277                                |