INVENTORIZATION OF SEWAGE TREATMENT PLANTS

[INVENTORIZATION OF SEWAGE TREATMENT PLANTS]
Table 1: Decadal Urban Population Growth Since 1901
Year Total Rural Urban Urban, as % Decadal %
of total increase in
urban
population
1901 238,396,327 212,544,454 25,851,873 10.84 -
1911 252,093,390 226,151,757 25,941,633 10.29 0.35
1921 251,321,213 223,235,043 28,086,170 11.18 8.3
1931 278,977,238 245,521,249 33,455,989 11.99 19.1
1941 318,660,580 274,507,283 44,153,297 13.86 32.0
1951 361,088,090 298,644,381 62,443,709 17.29 41.4
1961 439,234,771 360,298,168 78,936,603 17.97 26.4
1971 548,159,652 439,045,675 109,113, 977 19.91 38.2
1981 683,329,097 523,866,550 159,462,547 23.34 46.1
1991 846,302,688 628,691,676 217,611,012 25.71 36.5
2001 1,027,015,247 741,660,293 285,354,954 27.78 31.1
2011 1,210,193,422 83,30,87662 377,105,760 31.16 32.2
The facilities like housing and water supply, sanitation also increased with urbanization.
However, facility of sewage management has not received the required focus. As a result,
untreated sewage is discharged into open storm water drains causing pollution to water
bodies.
2.0 OBJECTIVE OF THE STUDY
As stated earlier, Central Pollution Control Board (CPCB) has carried out study on status
of Municipal wastewater generation and treatment capacity in Metropolitan cities, Class I
cities and Class II towns of India and published a document (CUPS/61/2005-06) and
(CUPS/70/2009-10) and assessed the 269 number of STPs with capacity of 12000 MLD.
There is need to update the information on Sewage treatment facility as urbanization of
country increases with rapid pace and therefore the treatment facility for sewage is also
increased.
2.1 METHODOLOGY OF STUDY
CPCB has designed format for collation and collection on STPs from all 35 State Pollution
Control Boards and Pollution Control Committees. The format is attached at Annexure-I.
CPCB has communicated with SPCBs/PCCs numerous times and provided the prescribed
format.
| OBJECTIVE OF THE STUDY 2