Features
Flood protection of Colombo Metropolitan Region-An alternative scheme
By Dr Janaka Ratnasiri
I thank Eng. Anton Nanayakkara (AN)’s write-up in The Island of 28.07.2020, responding to my article on Flood Protection of Colombo Metropolitan Region which appeared in The Island of 21.07.2020. The main purpose of my article was to highlight the fact that the government after getting Japanese Consultants to formulate a Master Plan for flood protection of Colombo Metro Region at great cost, what is being implemented as a priority project is only a clean-up of the Weras Ganga basin, making a mockery of the word Master Plan. This area is totally outside the Greater Colombo area with no impact on its flooding. AN has failed to comment on this issue.
METRO COLOMBO URBAN DEVELOPMENT
PROJECT
With the failure of the Master Plan to address the flood situation within the city and its suburbs, Sri Lanka Land Development Corporation (SLLDC) has taken the initiative to develop a separate project titled Metro Colombo Urban Development Project (MCUDP) to address this issue. This project expected to be executed during 2012 – 2020 is estimated to cost USD 104 Million (SLLDC Website). It will address flood mitigation in areas covered by the Colombo Municipal Council, Sri Jayewardenapura, Battaramulla, Rajagiriya, Madiwela and Dehiwala. Activities described under “Improvements to existing drainage systems” in my previous article of July 21st were in fact carried out by SLLDC under this project.
COMMENTS ON ENG. NANAYAKKARA’S
RESPONSES
In his response, AN has made certain remarks on some statements appearing in my article and questions their validity. What I have said are totally based on material extracted from other sources including the JICA reports and the website of the SLLDC and not my own suggestions. It appears that AN seems to be unaware of the latest situation in this regard, and hence they need clarification. My comments are given against each of AN’s statements which are given below using material extracted from SLLDC website – Special Projects pages.
1. “The Madiwela East Diversion (MED), remaining dry most of the time, as mentioned, may be due to its wrong location, too far upstream of the Kelani Ganga about 10 miles above the historic Nagalagam Street outfall”.
COMMENT: MED was established by constructing a new canal from the Thalangama Tank up to the origin of the existing natural canal flowing through Malabe paddy fields parallel to Chandrika Kumarathunga Mawatha. It has its natural outfall at Ambatale. The topography of the area does not permit shifting of this outfall further downstream.
2. “Even during floods of the Kelani Ganga, this outfall No 1 (See plan) has to be closed, long before Nagalagam Street outfall closing at +5.00 ft MSL, the accepted minor flood level for Colombo, negating the very purpose for which this canal was built”.
COMMENT: The SLLDC is currently building a pumping station at Ambatale across the MED canal to pump water to the river when its water level rises during heavy rainfall, at a cost of USD 5.85 Million and LKR 1,181 Million (SLLRDC website).
3. “The learned doctor has not noticed the extent to which the Thalangama Tank had silted up, reducing the capacity to retain flood water (about 50 ac.ft) entering the Parliament lake”.
COMMENT: In a project carried out by the SLLDC during 2016 – 2018, the tank was dredged to increase its water holding capacity and remove unnecessary growth on the tank bund, at a cost of LKR 107 million. In any case, I wonder how even a professional hydrologist could notice the extent of silting of the tank just by looking at it.
4. “This gate was constructed at ID’s flood control premises to pump water from the Kelani Ganga to the Beira Lake, for the purpose of cleaning the lake. The project ceased soon after the flood. Strangely, no inquiry was made. It was all swept under the carpet”.
COMMENT: According the SLLDC website, it has built three gates across Kolonnawa Canal, Heen Ela and St. Sebastian canal at the crossing of New Kelani Bridge Road to isolate the canal system enabling water to be pumped back into the canal system from the river by operating the pumps installed at St. Sebastian outfall in the reverse direction. This work to be carried out during 2018 – 2020 is estimated to cost of USD 5.85 million and LKR 1181 million. So, it is not a case of sweeping under the carpet.
5. “Dr. R’s reference to the Beira Lake, too, needs some clarifications. The Beira Lake is not a natural lake. It is an artificial lake also kept at an artificial level, of 6.00 ft above mean sea level, by the Beira Spillway”.
COMMENT: A pumping station is being built across St. Sebastian Canal at Maradana for pumping water from the canal to Beira Lake during periods of high rainfall in Colombo. This work to be carried out during 2019 -2020 is estimated to cost of USD 5.93 million and LKR 165 million. (See also the last paragraph).
6. “Ignoring many other references, contained in Dr R’s article, let me now say a few words about narrowing of bridges, mentioned in it. This is not a matter of life and death, as made out to be. Any hydrologist will agree that within the narrowed section, the velocity will increase to make up for the constriction”.
COMMENT: Widening of the canals and removing bottleneck were not proposals that I made, but what are actually executed by SLLDC as described in its website. Kolonnawa Canal Diversion Stage III says “the canal has become very narrow at certain sections due to encroachment. Some resettlement and land acquisitions are undertaken to remove bottlenecks”. This work to be carried out during 2018-2020 will cost of LKR 1,000 million. Diversion Stage IV also refers to removing two bottlenecks near the outfall.
7. “If, as proposed, the southern diversion takes place, such a canal would become a “trans-basin diversion” let alone the new outfall getting pushed about 20 miles, down south, to Panadura; not to mention reversing the natural flow direction, within the Madiwela catchment, and aggravating the already existing problems, within Bolgoda”.
COMMENT: The proposed diversion is not the first trans-basin diversion in Sri Lanka. Under the Mahaweli Scheme, there are trans-basin diversions. There are even such diversions among ancient works including diversion of Kala Oya to Malwathu Oya basin and Amban Ganga to Yan Oys basin. More recently, Kalu Ganga (Matale) was diverted to Amban Ganga basin under Moragahakanda Project, Uma Oya is being diverted to Kirindi Oya basin. It is also proposed to divert Gin Ganga to Nilwala basin. If Madiwela South diversion is the only practical option available to protect Sri Jayewardenapura area from flooding, it should be pursued after addressing whatever environmental issues that it may cause.
8. “The proposals (which) I have been making for more than 30 years, do not go against nature, no damage to environment by digging new canals, no underground tunnels of large diameter, no widening of bridges, and no pumping”.
COMMENT: If AN’s proposal with no digging of new canals, no tunneling or no widening of canals had merit, why wasn’t it accepted by authorities for implementation all these 30 years?
OPTION WITH NO DIGGING, TUNNELING AND PUMPING
As mentioned in my previous article, the Diyawannawa Lake has two draining outlets, one via Kolonnawa Canal and the other via Wellawatta Canal. The Kolonnawa Canal branches into three canals with outfalls to the Kelani River at Grandpass, Kotuwila and Ambatale which need pumping during heavy rainfall days. Hence, only the Wellawatta Canal is available for draining direct into the sea without resorting to digging new canals, or building tunnels or installing pumping stations. Under the MCUDP project, the stretch of Wellawatta Canal beyond the Galle Road was dredged, widened and the outfall improved at a cost of LKR 111.6 Million. It is to be seen whether this outlet together with the improved outfalls to Kelani River could handle the draining of Diyawannawa Lake during an extreme rainfall event.
ALTERNATIVE PROPOSAL TO DRAIN FLOOD WATER
AN has expressed his reservations about using the Beira Lake as an outfall for flood water as the level of the spillway cannot be adjusted. Though a sum of LKR 1,350 million is spent on building a pumping station at Maradana to divert flood water coming along the Dematagoda Canal into the Beira Lake and then to the sea, there is a doubt as to whether this diversion will work. If it works, it will take flood water from Kotte diverted to St. Sebastian Canal first to the Floating Market and then to the Beira Lake before the water enters the spillway near Galle Face. This will invariably raise the water level of Beira Lake which is presently maintained at 1.8 m above mean sea level to prevent buildings constructed on wooden piles along the lake from collapsing. However, according to an environment screening study on a project for rehabilitation of the Beira Lake carried out by Moratuwa University in 2011, any changes to the water level of the Beira lake can have an adverse effect on the stability of these foundations.
There is however, another alternative option available to improve the draining of Kotte flood water flowing along Dematagoda Canal into the river without posing any of these problems. That is by diverting water flowing in Dematagoda Canal direct into Kiththamphuwa Ela (KE) before it joins with St. Sebastian Canal, by constructing a new canal branching off from the Dematagoda Canal just before it crosses the railway line. This canal could run parallel to the railway line and join with the KE where it makes a U-turn near Welewatta Road. This link canal is only about 0.5 km long and this area comes mostly under railway reservation. The stretch of KE which runs parallel to the railway line up to the river outfall is being widened and dredged under the Kolonnawa Canal Diversion Stage IV at a cost of LKR 1,432 Million. Hence, construction of this new link canal could be undertaken as a part of this project.
The distance to the existing river outfall along St. Sebastian Canal from this branching point is 3.0 km while the distance to the Beira Lake outfall via St. Sebastian Canal in the opposite direction 5.2 km, whereas the distance to the river outfall along the proposed link canal and KE is only 1.7 km. Further, the present St. Sebastian Canal route has six road crossings and several bends while the route via Beira Lake has eight road crossings. Also, the stretch of St. Sebastian Canal behind the Technical College passes through a narrow passage cut through a hill with no room for widening. On the other hand, the proposed route via the link canal and KE is short and straight with only one road crossing at Orugodawatta and is a better option to drain the Kotte flood water into Kelani River, than the proposed scheme via Beira Lake.
CONCLUSION
The SLLDC has already executed several projects worth LKR 1,165 Million with World Bank funding to improve the drainage in several canals in the city and its suburbs. Several more projects estimated to cost over LKR 4,500 Million and USD 44 Million are on-going. This includes a project to take flood water from Kotte all the way to Beira Lake and then to spillway at Galle Face for discharging into the sea by reversing the flow in St. Sebastian Canal. However, this does not appear sensible even to a layman like myself. It is more sensible to drop this proposal and instead develop the link canal to take flood water flowing in Dematagoda Canal direct to KE stretch running parallel to the railway line and thereafter to the Kelani river. The pumping equipment intended for diverting flood water via Beira Lake could be installed at the outfall of KE near Kalu Palama, enabling it to remove the flood water during heavy rainfall.
Features
‘The devil is in the details’ in West Asian peace
It is obviously too early for an outpouring of joy over the seeming cessation of hostilities between the main antagonists in West Asia. While the prospect of there being a measure of calm in the region is being welcomed by considerable sections of the international community, what is ‘on the table’ currently is only a Memorandum of Understanding between the US and Iran to give peace a chance. The hard part in the peace effort remains to be achieved.
In the Middle East of today we have one of the most complex conflicts to break out in modern international politics and the observer would be naive in the extreme to expect a facile and early closure to the tangle. Yet, for the sake of the world’s publics who have been hurting badly in the prolonged hostilities one could only hope that the US-Iran MoU that is expected to be signed by the sides on Friday would lead eventually to a substantive peace. The world’s thanks are due to Pakistan in this connection for its sustained support in the peace drive.
While the sides have agreed to a ceasing of hostilities in the most general terms and have reached accord on the facilitation of uninterrupted oil and gas supplies to the rest of the world, for instance, the ‘devil will prove to be in the details’ in an envisaged comprehensive peace settlement. It is these details that would make or break peace if the negotiations go on in earnest.
Nevertheless, the details would need to be worked out consensually in a spirit of compromise with an eye to the greater good of the world community. Realpolitik or a narrow focus on solely the national interest among the protagonists, for example, would need to give way to a measure of humanity that would encompass within it a consideration of the overall well being of the world. In other words, it is statesmanship that would crucially matter.
The next few weeks would establish whether humanists are ‘asking for far too much’ when they broach the questions at issue in these terms. Yet it is essentially self interest and national security considerations of the first importance that drove the conflict from even prior to February this year and these questions would need to be taken up and resolved to the satisfaction of the US and Iran in the main if some headway is to be made towards a durable settlement.
The nuclear issue would prove to be the proverbial Gordian Knot. From a realistic viewpoint, Iran could not be expected to be without a potential nuclear deterrent in the face of perceived nuclear threats emanating for it from the West and Israel. In the short term, Iran would need to possess this deterrent to a measure, within a mutually agreed international legal framework maybe, until wide agreement is reached on the nuclear tangle. Specifically, Iran’s immediate threat perceptions with regard to her nuclear-powered rivals would need to be defused during initial negotiations.
Ideally it is a world free of nuclear weapons that must be aimed at but since this goal cannot be achieved in the near or medium terms, unfolding negotiations would need to ensure Iran’s absolute security in a world of powers that continue to swear by the nuclear deterrent, if it is to give up the suspected latter capability.
However, it is to the degree to which the present nuclear powers divest themselves of this capability that Iran could be put at ease on this score. Accordingly, it is nothing short of a complete elimination of nuclear weapons from the world that could dissuade keenly security conscious states from developing nuclear weapons of their own with a mass destruction capability.
This is the number one dilemma the international community needs to grapple with going forward and it is to the extent to which it resolves it that a nuclear weapons free world could be envisaged. No doubt, an uphill challenge.
Compelling Israel to support the present negotiatory process constitutes another grueling challenge for the US. Currently the Iranian position essentially is that a Middle East peace is inseparable from a normalization of the security situation in Lebanon. That is, the present Israeli attacks on the Hezbollah presence in Lebanon must cease if a comprehensive peace is to be realized in West Asia.
However, Israel is showing no signs of drawing back from its attacks on Hezbollah strongholds in Lebanon since the security of the Israeli state is being seen as threatened by the militant group. Co-opting Israel into the negotiatory effort therefore would turn out to be a matter of paramount concern for the US.
Moreover, elements in the rightist administration in Israel are seeing the current peace efforts as a ‘sell out’ to the enemies of Israel. They would have none of it. It is left to be seen how the US would be managing these virtual storm centres in the diplomatic process that could very well bring down the overall purported peace drive.
A recent pronouncement by US Vice President J.D. Vance points to yet another problem area in the US’ current peace overtures. He said that, ‘Regional peace and stability includes stopping the funding of terrorist organizations.’ He was obviously referring to the support extended by Iran to Hezbollah when he mentioned ‘terrorist organizations’ but he has given fresh life to the age-old conundrum of ‘Who is a terrorist?’ by these words.
To the Netanyahu government the Hezbollah and other militant organizations fighting Israel are ‘terrorists’ but from the viewpoint of the Iranian regime they are ‘freedom fighters’. This seemingly insurmountable definitional issue would not only stubbornly bedevil the peace effort but could even figure in bringing about its collapse, unless judiciously handled.
Thus, it’s the thorny details that need to be watched to keep the West Asian peace process afloat, once it gets going in earnest. There is no doubt that US President Trump would be receiving a considerable amount of support from the G7 in this historic peace undertaking and his personal appeals to the grouping currently meeting in France for continuous support are likely to elicit a positive response from it.
Likewise, Trump would need to appeal to also the BRICS countries if almost total global support is to be garnered for the peace drive in West Asia. BRICS’ solidarity with the US and the West is likely to carry considerable weight with Iran and other Eastern actors who are key to a sustained peace drive in the Middle East.
Features
Sri Lanka’s elephant paradox: Govt. counts tourism dollars while playing a dangerous numbers game: Expert
At a time when Sri Lanka is enjoying a resurgence in wildlife tourism, with elephants remaining the undisputed stars of the country’s national parks and one of its most marketable natural assets, elephant conservationist Supun Lahiru Prakash has sounded a stark warning: the nation is in danger of losing the very species that helps attract millions of tourism dollars while sustaining some of the island’s most important ecosystems.
Supun says repeated claims by authorities that Sri Lanka’s elephant population is increasing, despite the absence of a final survey report and amid continuing elephant deaths, risk creating a misleading narrative that could undermine conservation efforts and encourage retaliation against elephants.
According to Supun, the issue is not merely about numbers. It is about political priorities, scientific credibility and the future of one of Sri Lanka’s most iconic species.
“Repeatedly claiming that the elephant population is increasing appears to be an attempt to hide the Government’s inability to manage the rising annual elephant death rate and the complications of human-elephant conflict,” Supun said.
For decades, the Sri Lankan elephant has been a symbol of the country’s rich natural heritage. It is the centrepiece of wildlife tourism, drawing visitors from across the globe to national parks such as Yala, Udawalawe, Minneriya, Kaudulla and Wilpattu. International wildlife documentaries, tourism campaigns and social media promotions frequently place elephants at the heart of Sri Lanka’s nature tourism brand.
Yet, according to Supun, the country’s conservation policies do not reflect the value of the species.
“On one hand, the Government is enjoying increasing tourism revenue, and elephants remain one of Sri Lanka’s most important wildlife attractions. On the other hand, narratives are being promoted that could encourage retaliation against the very species that contributes significantly to the country’s tourism industry,” Supun said.
According to the First Countrywide National Survey of Elephants conducted in 2011, Sri Lanka had 5,879 elephants. However, official statistics show that 4,167 elephants died between 2012 and 2024.
Supun stressed that these figures represent only the deaths officially recorded by the Department of Wildlife Conservation.
“In a context where more than 70 percent of the country’s elephant population reported in 2011 has died within 13 years, it is difficult to accept claims that the population has increased,” Supun said.
The conservationist pointed out that elephants have the longest gestation period among land mammals and that scientific studies have reported increasing interbirth intervals among female elephants together with high calf mortality.
“When such biological realities are taken into consideration, claims of a dramatic increase in elephant numbers become difficult to understand,” Supun said.
Supun believes that repeated references to increasing elephant populations risk fuelling public hostility towards elephants, particularly among farming communities already affected by crop raids and property damage.
“Such claims can create the impression that elephant populations are exploding and thereby promote retaliation against elephants as well,” Supun said.
According to Supun, Sri Lanka’s elephant crisis cannot be understood solely through population estimates. The real issue lies in the country’s failure to address human-elephant conflict through long-term, science-based solutions.
Sri Lanka continues to record among the highest levels of human-elephant conflict in the world. Every year, hundreds of elephants and dozens of people lose their lives as competition for land and resources intensifies.
Despite the scale of the crisis, Supun says authorities continue to rely on strategies that have repeatedly failed.

Lahiru Prakash
These include driving elephants into protected areas, strengthening electric fences to confine them there and allocating additional manpower to maintain fencing systems.
Supun was also critical of several proposals that emerged from district-level discussions on conflict mitigation, including the sowing of paddy and corn using Air Force drones and the planting of fruit orchards within protected areas.
“Such proposals fail to address the real ecological and social dimensions of the conflict,” Supun said.
While welcoming reports that the Government intends appointing a national-level mechanism to tackle human-elephant conflict, Supun said the challenge required intervention at the highest level of government.
“Given the gravity, complexity and geographical spread of human-elephant conflict, appointing any committee other than a Presidential Task Force is not useful,” Supun said.
He argued that a Presidential Task Force chaired by either the President or the Secretary to the President would be better positioned to overcome the bureaucratic delays and institutional fragmentation that have hindered previous efforts.
Supun also stressed the urgent need to restore and protect elephant corridors and home ranges that allow elephants to move safely across landscapes.
He cited the Koholankala elephant corridor in Hambantota as one example where removing obstacles could help reduce conflict while improving habitat connectivity.
At the same time, Supun questioned policies that permit the allocation of forest lands in areas identified by environmental assessments as crucial elephant ranges and movement corridors.
“The opening of elephant corridors and the protection of elephant home ranges must be carried out scientifically and consistently if they are to succeed,” Supun said.
Beyond tourism, Supun emphasised the ecological importance of elephants.
“Elephants are ecosystem engineers. Through their feeding habits and movements, they help maintain habitats that support numerous other species. In many ways, they create safer and healthier environments for wildlife,” Supun said.
According to Supun, protecting elephants means protecting entire ecosystems and the biodiversity upon which Sri Lanka’s wildlife tourism industry depends.
“By protecting elephants, we are also protecting the biodiversity that makes Sri Lanka one of the world’s premier wildlife tourism destinations,” Supun said.
As Sri Lanka seeks to expand tourism earnings and strengthen its reputation as a wildlife destination, Supun believes the country faces a defining choice: continue with policies that have failed to stem elephant deaths and human-elephant conflict, or embrace a science-based conservation strategy that safeguards both people and wildlife.
Without a fundamental shift in policy and political will, Supun warned, Sri Lanka risks losing not only one of its most iconic species but also the ecological and economic benefits that elephants continue to provide.
“The suffering of both farmers and elephants will only intensify unless meaningful action replaces rhetoric,” Supun said.
By Ifham Nizam
Features
Top Model of the World 2026
Back-to-back victory for Colombia
Katherine Castaño of Colombia claimed the Top Model of the World 2026 crown, securing a historic back-to-back victory for her country. Angelica Sanchez of Puerto Rico was named first runner-up, and Eunice Deza of the Philippines finished as second runner-up.
Katherine was crowned by outgoing titleholder Natalia Garizabal Vera of Colombia.
Several special category awards, and subsidiary titles, were also presented during the Top Model of the World 2026 pageant.
These awards recognised excellence in modelling, peer support, and regional representation.
Primary Subsidiary Titles

Sri Lanka’s Netalie Withanage: Top 16 at
the grand finale
Miss Globe 2026: Valentina Tabares (Ecuador) — Awarded to the contestant who perfectly balances fashion modelling with traditional beauty queen qualities.
Queen of Europe 2026: Mia Danielle Williams (United Kingdom) — Given to the highest-ranking candidate from a European nation.
Special Awards Recognition
Audience Iconic Award: Charly (Dominican Republic) — Won via the official public online vote, granting her a fast-track direct entry into the Top 6.
Exotic Model of the World: Angel Emeka (Nigeria) — Awarded for exceptional editorial presence and strong runway performance.
Best Body Award: Thailand — Voted directly by fellow contestants at the Flow Spectrum Hotel. The highest-ranking runners-up for this category included Zambia, South Africa, Colombia, and Ghana.

Angelica Sanchez (Puerto Rico): 1st Runner-up
Final Placement
Winner: Katherine Castaño (Colombia)
1st Runner-Up: Angelica Sanchez (Puerto Rico)
2nd Runner-Up: Eunice Deza (Philippines)
Top 6 Finalists: Included contestants from the Dominican Republic, Romania, and Germany.
The pageant, known for focusing on professional modelling careers over just beauty, brought together 36 models from around the globe for two weeks of runway, photoshoots, and cultural events.
Sri Lanka’s Netalie Withanage walked among 36 of the world’s best and powered her way into the Top 16 at the grand finale.
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