Flood Forecasting (FF) is one of the important activities of Central Water Commission (CWC), which is undergoing expansion and improvement, but there is still a huge scope for improvement. In order to better understand the CWC’s flood monitoring and forecasting work, in this article, we have given an overview of CWC’s flood forecasting and monitoring sites in South India, the last region to be covered for 2019 flood season. It includes state wise list of CWC’s Level Forecast, Inflow Forecast and level monitoring sites in South Indian states of Andhra Pradesh, Telangana, Karnataka, Tamil Nadu, Puducherry (no FF sites) and Kerala. Similar report has been published for North India[i] and North East India[ii], East India[iii] and West India[iv]. Continue reading “South India Overview of CWC Flood Forecasting Sites 2019”
Central Water Commission (CWC) is the only agency doing flood forecasting in India. This article attempts to present an overview of CWC’s flood forecasting and monitoring sites in West India. It includes state wise list of CWC’s Level Forecasting, Inflow Forecasting and level monitoring sites in 5 States in West India: Rajasthan, Gujarat, Maharashtra, Madhya Pradesh, Goa. Similar report has been published for North India[i] and North East India[ii] and East India[iii]. A similar effort was made last year which can be seen here: Overview of CWC Flood Forecasting Sites 2018: WEST INDIA.
In a mountain village in southwest China’s Sichuan province, authorities have demolished seven small dam projects this year along a river to clear illegal developments in a new nature reserve. The demolition is part of a nationwide programme to close hundreds of tiny and often ramshackle dams and turbines and bring order to China’s massive hydropower sector after years of unconstrained construction.
The dams sat on an unnamed tributary of the fierce and flood-prone Dadu river, which feeds into the Yangtze, Asia’s largest and longest river, where the government says the “irregular development” of thousands of small hydropower projects has wrecked the ecology. But green groups say the campaign will not necessarily save the environment because it will not affect big state hydropower stations, which they say have caused the most damage.
On the 48 km Zhougong, authorities have already demolished small projects built in nature reserves or encroaching upon new “ecological red lines” drawn up to shield a quarter of China’s territory from development.
The government says small dams have disrupted the habitats and breeding patterns of many rare species of fish, although green groups argue the damage wrought by bigger dams is more severe, with entire towns and ecosystems submerged in water, which they say increases the risk of earthquakes, landslides and even climate change.
Central Water Commission is the only agency doing flood forecasting in India. As per CWC’s Flood Forecasting website[i] the Data Flow Map has information about 226 Flood Forecast Sites in the country comprising of 166 Level Forecast Sites and 60 Inflow Forecast Sites. It also monitors 700 Flood sites, information made available through List Based Exploration and Hydrograph View, but no flood forecasting is done for these sites.
In order to better understand the CWC’s flood monitoring and forecasting work, in this article, we have given an overview of CWC’s flood forecasting and monitoring sites in South India. It includes state wise list of CWC’s Level Forecast, Inflow Forecast and level monitoring sites in South India. Similar report has been published for North India[ii] and North East India[iii] and East India[iv].
Tamil Nadu There are 3 Level Forecasting, 48 Level Monitoring and 14 Inflow Forecasting sites in Tamil Nadu State. Out of total 65 sites, 19 Level Monitoring and 2 Inflow Forecasting sites are inactive. MWL information is given only for 1 Inflow Forecasting site out of 14. IRRUKKANKUDI, Sathanur and Gomukhi sites are repeated with incomplete information. Out of 48, HFL figure and date is not provided for 25 Level Monitoring sites.
Above: Major River Basins of Maharashtra Source: MWRRA
Major Issues faced by Rivers of Maharashtra include complete lack of governance geared towards protecting rivers as ecological systems, unjustifiable dam projects blocking most of the rivers of the state without even comparable benefits, increasing water conflicts, depleting groundwater levels which affect base flow of the rivers, catchment degradation, climate change induced changes in river hydrology, repeated droughts and increasing levels of pollution.
On the 7th August 2015, SANDRP published a Press Release titled “As Krishna Bhima basin farmers in Maharashtra, Karnataka, AP & Telangana face drought, crop failure, Water scarcity, Maharashtra DIVERTED 350 MCM water from the basin & stored another 2535 MCM reserved to release, literally to sea!”. On August 9, 2015, DNA, a leading newspaper in Mumbai published a report based on this story as their front page top story titled “Drought? Last month alone Maha govt drained 350 MCM water into sea!” Continue reading “Tata Power responds on the issue of Tata dams diverting water from Drought hit Bhima Krishna basin to Konkan, but it is a vacuous, insensitive response”
(Photo above: Koyna Dam)
Large parts of Krishna basin spanning Maharashtra, Karnataka, Andhra Pradesh and Telangana are facing massive rainfall deficits, drought like conditions and crop failures. The tail-end reservoirs of Srisailam and Nagarjun Sagar are almost empty. Telangana and Andhra Pradesh are already thinking of conserving the available water for drinking water. They are not even thinking of releasing any water for saving the crops in delta farmers. In upstream Maharashtra itself, the Ujani dam has ZERO live storage and perennially dry Marathawada has the highest rainfall deficit. Shockingly, in this very period from July 1 to Aug 6, Maharashtra has diverted more than 350 Million Cubic Meters of water (at most conservative estimates) FROM this very Krishna and Bhima basins to the High Rainfall area of Konkan (it already has had 1467.1 mm rain till Aug 7, 2015) and down to the sea! If this diversion was stopped since July 1, when the signs of severe monsoon deficits in the three states were already there, this water would have been available to save crops in lakhs of acres in the river basin, and some of it would have also flowed to Andhra Pradesh and Telangana and water may have been available for saving some crops. Even now these Koyna and Tata dams have 2535 MCM water in live storage that is reserved for diversion to Konkan and to sea, but wont be release for the failing crops across the basin. How can we continue such wasteful use of water in a water deficit basin, at the cost of livelihoods of lakhs of farmers? Even now it is necessary to URGENTLY review this situation and consider stopping diversion of water FROM Krishna basin to sea. This may save crops and livelihoods of lakhs of farmers. Continue reading “As Krishna Bhima basin farmers in Maharashtra, Karnataka, AP & Telangana face drought, crop failure, Water scarcity, Maharashtra DIVERTED 350 MCM water from the basin & stored another 2535 MCM reserved to release, literally to sea!”
Above: A board at the dam site proclaims: “Beware, dam work ahead”. The warning pretty much sums up the situation of Krishna Marathwada Project Photo: Parineeta Dandekar
It was a blazing hot afternoon, made hotter by the subconscious association of Marathwada with all things dry, parched and drought-stricken. I was standing on the half completed dam wall of the Khuntephal Storage Tank in Beed, along with Macchindra Thorave and his colleagues. I’ve seen many dams and many dam walls, but it was impossible to believe this was a dam wall, supposed to impound 5.68 TMC of water (TMC=Thousand Million Cubic Feet. 1 TMC=28.317 billion liters). Primarily because there was no water in sight on either sides of the dam! There was no river in sight either! It actually looked like an under-construction road connecting two hills.
But as I realized later, being a part of the Krishna Marathwada Lift Irrigation Scheme and Krishna Bhima Stabilisation Project, issues like water were inconsequential. This was Dam for Dam’s sake.