Lok Sabha Question No. 2949 (UNSTARRED), answered on 2021-08-05
Subject: Study on Flood Pattern
Ministry: JAL SHAKTI
Asked by: Queen Oja, Janardan Singh Sigriwal

## GOVERNMENT OF INDIA MINISTRY OF JAL SHAKTI,

## DEPARTMENT OF WATER RESOURCES, RIVER DEVELOPMENT & GANGA REJUVENATION

## LOK SABHA UNSTARRED QUESTION NO. 2949

ANSWERED ON 05.08 .2021

## STUDY ON FLOOD PATTE RN

## 2949. SHRIMATI QUEEN OJA SHRI JANARDAN SINGH SIGRIWAL

Will the Minister of JAL SHAKTI be pleased to state:

(a) whether the Government has made any study or research about flood pattern in the country in Bihar if so, the details and outcome thereof;

(b) whether the Government has any plan to use any new technology with regard to tackling floods country and if so, the details thereof;

(c) the details of flood assistance programme for the affected areas in the country includi affected due to floods, State/UT - wise ; and

(d ) whether the Government is preparing any road map to prevent frequent floods in various country including North Bihar and if so, the details thereof?

## ANSWER

## MINISTER OF STATE FOR JAL SHAKTI & FOOD PROCESSING INDUSTRIES

## ( SHRI PRAHLAD SINGH PATEL )

(a)  Central  Water  Commission  (CWC)  is  the  nodal  Organisation  entrusted  with  the  task forecasting  &  early  flood  warnings  in  the  country.  Presently,  CWC  issues  flood  forecas forecasting stations (198 river level forec ast stations & 132 dam/ barrage inflow forecast stations). stations cover 20 major river basins in 23 States & 2 Union Territories. As per flood forecasting netw of CWC, during the last 3  years, in addition to existing flood prone states of Assam, Bihar and Uttar Pradesh, extreme floods (water level above previous Highest Flood Level) were witnessed in t Kerala, Karnataka, Tamilnadu, Andhra Pradesh, Telangana, Odisha, Maharashtra, Chhattisgarh, Pradesh  and  Rajasthan  due  to  excess to  large  excess  rainfall  in  these  states  combined  with  ext heavy rainfall in short duration. Indian Space Research Organisation (ISRO) has prepared f Atlases  for  the  States  of  Assam,  Bihar  and  Odisha.  These  Atlases  provide  information various categories of flood hazard, such as, very high, high, moderate, low and very low based upon t times the area was inundated for past two dedcades.

(b) CWC  uses  all  the  latest  technology  including  remote - sensing,  Geographical  Informatio n  System (GIS), Internet, Artificial Intelligence and Machine Learning in development/ running/ for calibration of Mathematicalmodels for flood forecasting and for providing Inundation Alerts whic

closely at par with international standards. CWC is issuing 5 - day advisory flood forecast at 330 flood an d inflow forecasting stations using state - of the art rainfall run off mathematical modelling tools ba ed on forecasted rainfall by IMD and results are displayed at po rtal https://120.57.99.138 These forecasts help in better management of floods by concerned agencies and departments.

(c)  The flood managemen t &anti - erosion  schemes  are  planned,  investigated  and  implemented by State  Governments  with  their  own  resources  as  per  priority  within  the  State.  The  Union  G supplements the efforts of the States by way of technical guidance and promotional financial flood  management  in  critical  areas.  Government  of  In dia  launched  "Flood  Management  Programme (FMP)" during XI Plan period for providing central assistance to the State Governments fo works  related  to  river  management,  flood  control,  anti - erosion,  drainage  development,  restoration damaged flood management works and anti - sea erosion works which was continued during XII Plan. scheme viz. "Flood Management and Border Areas Programme (FMBAP)" for flood management work inentire country and River Management activities and works related to Border A reas with an outlay of Rs. 3342  crores  was  under  implementation  during  2017 - 18  to  2019 - 20  later  extended  upto  March,  2021. Central Assistance amounting to Rs. 6447.96 crores has been released since XI Plan till March, 2021 FMP  component  of  this  Progra mme.  The  State -wise  details  of  losses  due  to  floods  are  compiled Central water Commission (CWC) based on the data provided by the States. The State - wise details of the crop  area  affected  due  to  floods  in  country  during  the  years  2017,  2018  and  2019  ar given  in Annexure - I .

(d) Government of India is having regular dialogue with the Government of Nepal through exist -Nepal bilateral mechanisms for mutual benefit of water resources of the common rivers betwe countries which includes flood control. Specific India - Nepal water management issues are discussed in th India - Nepal Joint Committee on Kosi and Gandak Project (JCKGP) and Joint Committee on Inunda and Flood Management (JCIFM). JCKGP discusses issues related to Gandak & Kosi Projects like water logging, water supplies to canals, maintenance of pond level, etc. whereas, JCIFM discuss river training works to be taken up on rivers in Nepal, flood inundation issues on India Nepa

As  a  non - structur al  measure  of  flood  management,  CWC  issues  flood  forecasts  at  40 forecasting stations (for villages/towns on the bank of the rivers) and 3 inflow forecast Dams/ Barrages) in the state of Bihar. During flood season 2020 ending 31st De cember 2020, a total of 3223  forecasts  have  been  issued  for  Bihar  state  out  of  which  3192  have  been  found  to  be accuracy limit which . works out to 99.04%. Flood forecasts are also issued for rivers comm and  India  namely  Sharda,  Ghagh ra,  Rapti,  Gandak,  Burhi  Gandak,  Bagmati,  Kamala,  Kosi  an Mahananda using meteorological and hydro - meteorological data.

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## Annexure referred to p art (c) of Lok Sabha Unstarred Q uestionNo. 2949 to be answered on 05.08.2021 regarding ' Study on Flood Pattern' .

| State                | Damage to Crops (Area in M.Ha.)   | Damage to Crops (Area in M.Ha.)   | Damage to Crops (Area in M.Ha.)   |
|----------------------|-----------------------------------|-----------------------------------|-----------------------------------|
| Andhra Pradesh       | 2017 *                            | 2018                              | 2019                              |
| Arunachal Pradesh    | 0.041                             | 0.170 0.743                       | 0.004 *                           |
| Assam                | 0.280                             | 0.031                             |                                   |
|                      |                                   |                                   | 0.233                             |
| Bihar                | 0.810                             | 0.001                             | *                                 |
| Chhattisgarh         | Nil                               | 0.004                             | *                                 |
| Gujarat              | 0.891                             | 0.054                             | Nil                               |
| Goa                  | Nil                               | Nil                               | Nil                               |
| Haryana              | 0.001                             | 0.079                             | Nil                               |
| Himachal Pradesh     | 0.003                             | 0.411                             | 0.040                             |
| Jammu & Kashmir      | *                                 | *                                 | *                                 |
| Jharkhand            | Nil                               | *                                 | 0.005                             |
| Karnataka            | Nil                               | 0.232                             | 1.02                              |
| Kerala               | 0.001                             | 0.087                             | 0.013                             |
| Madhya Pradesh       | Nil                               | Nil                               | 6.047                             |
| Maharashtra          | Nil                               | *                                 |                                   |
| Manipur              | 0.089                             | 0.005                             | Nil                               |
| Meghalaya            | Nil                               | Nil                               | Nil                               |
| Mizoram              | 0.046                             | *                                 | Nil                               |
| Nagaland             | 0.568                             | 0.002                             | *                                 |
| Odisha               | 0.021                             | 0.026                             | 0.038                             |
| Punjab               | 0.006                             | 0.057                             | 0.152                             |
| Rajasthan            | 0.739                             | 0.002                             | 2.390                             |
| Sikkim               | 0.001                             | *                                 | *                                 |
| Tamilnadu            | Nil                               | 0.191                             | Nil                               |
| Tripura              | 0.047                             | 0.025                             | 0.001                             |
| Uttar Pradesh        | 0.396                             | 0.383                             | 0.650                             |
| Uttarakhand          | Nil                               | 0.001                             | 0.000                             |
| West Bengal          | 1.033                             | 0.011                             | 0.095                             |
| Andaman & Nicobar    | Nil                               | Nil                               | *                                 |
| Chandigarh           | Nil                               | Nil                               | *                                 |
| Daman & Diu          | Nil                               | *                                 | *                                 |
| Dadra & Nagar Havali | Nil                               | Nil                               | *                                 |
| Delhi                | Nil                               | *                                 | *                                 |
| Lakshadweep          | Nil                               | *                                 | Nil                               |
| Puducherry           | *                                 | Nil                               | *                                 |

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