The water changes color, the fish dies abnormally

May 21, 2022 10:52 GMT+7

According to the reflection of the people of Nga Ba village, Phuc Thinh commune, Ngoc Lac district (Thanh Hoa), on May 16, people discovered that the water in the stream and Tra Si dam changed color and became cloudy with white foam. Then there was the phenomenon of natural fish, caged fish died abnormally.

Cage fish died abnormally after Tra Si dam turned black and foamed white. (Photo: Provided by people)

Mr. Ha Van Hoai (residing in Nga Ba village, Phuc Thinh commune), a household raising fish in cages on the dam said: ”On May 16, I discovered that the water changed color and had a lot of foam. When I went out to feed the fish, the fish did not. willing to eat. On the morning of May 19, I went to visit the cage and saw that the fish had all drowned, their scales were ruffled like a scavenger, red…

Ms. Luong Thi Muoi said: ”My family who raises eels regularly pumps water from the dam into the tank for the eels, but recently when pumping water into the tank, the eels had a phenomenon of floating, so the family had to change the water immediately”. .

According to the people, before the water was clear and unpolluted, people could still wash their clothes. Recently, when taking buffaloes out to drink water at the dam, the buffaloes do not drink it. Households living near the dam, when the well water (open well, dug well – PV) changes color, they have to ask for water from another house to use.

People lost everything after the fish died.

As noted by PV on May 20, the water on Tra Si dam is still black, foamy, caged fish of 2 farming households died, small wild fish also died a lot, in the process decomposition process.

Observing closely, PV noticed that there was a PC 250 plastic pipe buried underground stretching several hundred meters from the pig farm of KP Phuc Thinh Clean Agricultural Development Joint Stock Company to the sewer at the source of the stream flowing to the dam.

Mr. Nguyen Ba Binh, Chairman of the People’s Committee of Phuc Thinh Commune (Ngoc Lac District, Thanh Hoa) confirmed that wild fish, raised in cages, died. Mr. Binh informed: ”We have checked, verified as well as statistic the number of dead fish on Tra Si dam with the weight of one household about 30kg and the other nearly 50kg”.

The water on the dam remained black after many days.

Also according to Mr. Binh, recently the pig farm (KP Phuc Thinh-PV Company) has repaired the biological water pond (pond No. 2), so they pumped water up to pond No. 1 to repair and restore the bank. ponds are in danger of breaking; The water level rises and flows out into the stream (natural, stream-PV) and then flows down to the area of ​​the dam containing the water.

“To find out the cause of the fish death, the local government asked the company to stop discharging waste, report it to the District People’s Committee and specialized departments to work with the company as well as take water samples. If it is concluded that fish died due to this water source (water from pig farm – PV), the investor must completely overcome the damage to the people,” added Mr. Binh.

When PV mentioned about the underground buried waste pipe, Mr. Binh explained: ”The extension of the underground pipe to the stream head is added to the approval of the policy of environmental impact assessment (EIA – PV) and is in the process of being trial operation until June 30”.

The pipeline extends for hundreds of meters and discharges waste into the stream upstream to the dam.

It is known that the project of construction of a breeding farm of KP Phuc Thinh Company has a scale of 2,400 breeding sows and 4,600 weaning piglets/month, 5,000kg of aquatic products/month, built on an area of ​​more than 11ha in Ha Noi. Trac village, Phuc Thinh commune with a total investment of more than 50 billion VND.

Tran Nghi