Or take the Aswan High Dam in Egypt, an unmitigated disaster, according to ecologists.
Built in 1837, the 24-foot high dam was used to accommodate barges and power sawmills.
Mr Turner said the council had also built a 1m high dam near the culvert, which had improved water flow through the area.
Jelal is a Nubian, one of the people who lived in southernmost Egypt and northern Sudan until the 1960s, when the Aswan High Dam flooded their land.
As the plans for the High Dam were drawn up, worldwide attention focused on the many valuable and irreplaceable ancient monuments that would be destroyed by the waters of Lake Nasser.
The historical Nubian Temples campaign, for the protection of the Egyptian monuments in Nubia from the rising waters of the Aswan High Dam, mobilized the international community for the protection of the World Heritage.
They added that since the completion of the Aswan High Dam, Egypt's population had doubled, calorie intake and meat consumption had risen by more than a third, and the use of fertilisers had increased four-fold.
The Aswan high dam, for example, is often cited as a cautionary example, a quixotic construction that now reduces the mighty Nile to a dribble before it trickles to the sea, leaving behind an explosion of water hyacinth, outbreaks of bilharzia, polluted irrigation channels and a build-up of sediment inland that would otherwise compensate for coastal erosion from Egypt to Lebanon.
Al-Dam was also a high ranking intelligence official and for decades was the coordinator between Gadhafi and Egyptian leadership.
With the water level critically low, it is difficult to see how the turbinated flow of the dam is reaching the high levels that the state agency is claiming.
Mr Gaddaf al-Dam is one of several high-profile Libyan figures residing in Egypt who have been pursued by Libyan authorities and the international police body Interpol since the end of the war.
If it is too high, the water spills over even when the dam is up.
Maroua, Cameroon (CNN) -- Cameroon authorities have found six more bodies in flood waters, bringing the number killed to as high as 40 in the wake of tropical downpours and the breaching of a dam in the west African country.
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