Water Quality Monitoring

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National Water Quality Monitoring Programme (NWMP)


SPCB Sikkim has been implementing the National Water Quality Monitoring Programme (NWMP) to consistently monitor the water quality in a systematic manner to know the nature and extent of water quality degradations and the existing quality of water in the water bodies. The national programme is also termed as Monitoring of Indian National Aquatic Resources (MINARS). Under the MINARS programme the State Pollution Control Board Sikkim collects water samples from River Teesta and its tributaries from 14 identiifed sites. This program is funded by Central Pollution Control Board.


The major objectives of water quality monitoring are:

  1. To warrant appropriate pollution control on the discharge reaching the water bodies.
  2. To identify any deficiency in water quality and to implement water pollution control strategies.
  3. To determine affect of water quality the intensity and exposure of various pollution on human health.
  4. To determine long term trends in water quality.

The details of the monitoring stations are as under:


SN

Station Code

Name of Station

Latitude

Longitude

1.

1801

River Teesta after confluence of Rivers Lachenchu and Lchungchu CHUNGTHANG, North Sikkim.

27.602

88.649

2.

1802

River Dikchu before confluence with River Teesta near NHPC hydro-electric power project, DIKCHU, East Sikkim.

27.40

88.52

3.

1803

River MANEY KHOLA AT BURTUK near Army Base Camp 4 km U/s of Gangtok, East Sikkim

27.35

88.61

4.

1804

River Maney Khola after confluence with Ray khola at ADAMPOOL AFTER MEETING TREATED WASTE WATER of STP, Gangtok, East Sikkim

27.30

88.58

5.

1805

After confluence of Rani Chu and Rorachu at RANIPOOL, East Sikkim

27.29

88.59

6.

1806

Ranichu before confluence with River Teesta at SINGTAM, East Sikkim

27.22

88.49

7.

1807

River Teesta after confluence with River Ranichu at SINGTAM, East Sikkim

27.11

88.45

8.

1808

River Teesta after confluence with Rongpochu after meeting the industrial effluents from the town RANGPO, East Sikkim.

27.17

88.52

9.

1809

River Teesta at Melli Downstream, MELLI, South Sikkim

27.08

88.45

10.

2034

RANGIT RIVER AT DAM SITE (NHPC), South Sikkim

27.29

88.29

11.

2035

RANGIT RIVER AT LEGSHIP , West Sikkim

27.27

88.27

12.

2036

RANGIT RIVER AT RESHI , West Sikkim

27.22

88.30

13.

2037

RANGIT RIVER AT JORETHANG , South Sikkim

27.13

88.27

14.

2038

RANGIT RIVER AT TREVENI , Melli, South Sikkim

27.08

88.41


SPCB Sikkim has been continuously monitoring the industrial activities by ensuring continuous operation of Effluent Treatment Plant (ETP). Further, SPCB Sikkim has made Zero Liquid Discharge (ZLD) mandatory so that the treated water meeting the prescribed standard is recycled and reused for gardening, flushing, cleaning and cooling purposes.




River Water Quality Data (Month and Year wise)