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Upstream from Grand Lake is the Tar Creek Superfund site, an abandoned lead and zinc mining operation that left behind toxic heavy metals, pictured in 2008 near Picher.
According to GRDA's 2012 Annual Report, the agency had nearly US $412 million in operating revenue for 2012, compared to nearly US $395.5 million in 2011. [ 2 ] It operates three hydroelectric facilities and two reservoirs, Grand Lake , Lake Hudson , and the Salina Pumped Storage Project , which includes W. R. Holway Reservoir , It also owns ...
The total length of the dam and its sections is 6,565 ft (2,001 m) while the multiple-arch section is 4,284 ft (1,306 m) long and its combination with the spillway sections measure 5,145 ft (1,568 m).
Lake Hudson, also known as Markham Ferry Reservoir, is a man-made reservoir in Mayes County, Oklahoma, United States, about 2 miles (3.2 km) northwest of Locust Grove, Oklahoma and 8 miles (13 km) southeast of Pryor, Oklahoma. [1]
The satellite images below, from the NASA, show the lake in April 2022, at left — when it was at 40% capacity — and then a little over two weeks ago, when the lake was a lavish 96% full.
Lake W. R. Holway, or Chimney Rock Lake is a reservoir in Mayes County, Oklahoma on the Saline Creek arm of Lake Hudson (Oklahoma). It was created in 1968 by the Grand River Dam Authority (GRDA) as an integral part of the Salina Pumped Storage Project .
Grand Lake has a surface area of 41,779 [7] acres (169.07 km 2) of water, a storage volume of 1,515,416 acre-feet, [7] and 1,366 [8] miles (2,198 km) of shoreline. Unlike other lakes in Oklahoma, Grand Lake is a deep and mostly rocky lake. The average depth for Grand Lake is 36.3 feet. [7] Its mean elevation is 745 [8] ft (227 m) above sea ...
A characteristic of Garda is the limited size of the hydrographic basin (2,290 square kilometres or 880 square miles) compared to the lake surface: at a length of 52 kilometres (32 mi) of the lake corresponds the 95 kilometres (59 mi) of the basin, while the respective widths are 16 kilometres (9.9 mi) and 42 kilometres (26 mi).