Green Valley, Arizona Green Valley, Arizona Tile rooftop in Green Valley Tile rooftop in Green Valley Location in Pima County and the State of Arizona Location in Pima County and the State of Arizona Green Valley, Arizona is positioned in the US Green Valley, Arizona Water .04 sq mi (.1 km2) Ocotillos at Valley Presbyterian Church, Green Valley, Arizona Golf carts are prominent in Green Valley Yard art in Green Valley neighborhood Green Valley is a census-designated place (CDP) in Pima County, Arizona, United States.

Green Valley is positioned along the side of the Santa Cruz River at 31 51 N 111 0 W (31.8556, -111.0001). Continental is to the east of Green Valley, on the other side of the river.

According to the United States Enumeration Bureau, the CDP has a total region of 26.3 square miles (68.0 km ), of which, 26.2 square miles (68.0 km ) of it is territory and 0.04 square miles (0.1 km ) of it (0.08%) is water.

Green Valley is twenty miles (32 km) south of Tucson and 40 miles (64 km) north of Nogales, Sonora, Mexico.

Surrounded by copper mines, and near the cycling, hiking and birding areas of the Santa Rita Mountains, Green Valley is an unincorporated retirement improve composed of 59 Homeowner Associations.

Green Valley has a borderline hot semi-arid/hot desert climate (Koppen BSh/BWh) with three seasons: a warm to mild winter with chilly evenings from October to March, a hot, extremely dry summer season from April to June, and a hot, mostly humid monsoon season from July to September.

Temperatures are uniformly hot amid the summer and monsoon seasons, with 90 F or 32.2 C exceeded on 154 days amid an average year, and 77 evenings failing to fall below 70 F or 21.1 C, including every evening amid August 2011.

Climate data for Green Valley, Arizona (1988-2016) Average rainy days ( 0.01 inch) 4 4 4 2 1 2 11 10 5 4 2 4 53 As of the census of 2010, there were 21,391 citizens residing in Green Valley.

The median income for a homehold in Green Valley was $46,732 in 2014 dollars.

According to a 2007 report by Pima County, 76,000 acre feet (94,000,000 m3) of water was pumped from the aquifer in the Upper Santa Cruz Valley in 2006, with 85 percent of that water being used for quarrying and agriculture.

The remaining 15 percent was split between water used for golf courses and residentiary/commercial water use.

The report explains that "The Green Valley region does not have a sustainable waterworks given current groundwater pumping rates...

The water table in Green Valley has been declining in past years, and is expected to diminish even faster as water demands [continue to increase]...".

Four out of five of the recommendations suggested taking favor the "Central Arizona Project (CAP) renewable water supplies, as well as recharge of the same". The report states, "the size of a pipeline that would convey Central Arizona Project water for direct use or recharge for the entire Upper Basin would need to be at least 72 inches in diameter." As of 2017 one 36" CAP pipeline has been instead of with a second 36" CAP pipeline slated for culmination in the later part of 2017. Totaling a combined 72 inches of pipeline as recommended.

The Upper Santa Cruz Valley has a several major water users, all pumping water out of the same aquifer.

Most region water users are for-profit companies.

(farming) are industrialized scale water users.

Residential water is provided by Farmers Water Company, Sahuarita Water Company, Las Quintas Serenas Water Company, Quail Creek Water Company, Community Water Company of Green Valley (a nonprofit member owned cooperative), and the Green Valley Water District (a governmental water utility).

The proliferation of water companies can be partially explained by the fact that Arizona water law places several limits on the amount of water that can be pumped with costs limited only to drilling, pumping, distribution, etc.

Since 2007 the Upper Santa Cruz Providers and Users Group (USCPUG) has been working to bring all small-town water entities, including the Town of Sahuarita, to the same table.

Most of the water users and utilities are now members of USCPUG.

The organization has presented an analysis and projection of region water use through 2030.

It has joined with the U S Bureau of Reclamation to lay the groundwork for transit and use of Colorado River water from the Central Arizona Project canal to greatly reduce reliance on pumping groundwater.

In 2005 Green Valley was the host of the SAE Mini Baja 100 competition.

"Long Term Green Valley Water Supply" (PDF).

Long Term Green Valley Water Supply.

Sustainable water for Green Valley & Sahuarita through teamwork.

Wikivoyage has a travel guide for Green Valley.

Green Valley Sahuarita Chamber of Commerce and Visitor Center Municipalities and communities of Pima County, Arizona, United States