Question: how many kilometers of sewer lines are in the city adjacent to the county where William Selden was born?

Richmond Raceway is in the central portion of Henrico County near Mechanicsville, just north of the Richmond city limits. The raceway seats approximately 60,000 people and holds two NASCAR doubleheader race weekends per year. Additionally, Richmond International Airport is located in the eastern portion of Henrico County in Sandston. Top private employers in the county include Capital One, Bon Secours Richmond Health System, and Anthem. <SEP> The wastewater treatment plant and distribution system of water mains, pumping stations and storage facilities provide water to approximately 62,000 customers in the city. There is also a wastewater treatment plant located on the south bank of the James River. The wastewater utility also operates and maintains 1,500 miles (2,400 km) of sanitary sewer and pumping stations, 38 miles (61 km) of intercepting sewer lines, and the Shockoe Retention Basin, a 44-million-gallon stormwater reservoir used during heavy rains. This plant can treat up to 70 million gallons of water per day of sanitary sewage and stormwater before returning it to the river. <SEP> prince william, duke of cambridge, (william arthur philip louis; born 21 june 1982) is a member of the british royal family. he is the elder son of charles, prince of wales, and diana, princess of wales. since birth, he has been second in the line to succeed his grandmother elizabeth ii, who is queen of the united kingdom and 15 other commonwealth realms. <SEP> the sovereign territory of israel (according to the demarcation lines of the 1949 armistice agreements and excluding all territories captured by israel during the 1967 six-day war) is approximately 20,770 square kilometers (8,019 sq mi) in area, of which two percent is water. however israel is so narrow that the exclusive economic zone in the mediterranean is double the land area of the country. the total area under israeli law, including east jerusalem and the golan heights, is 22,072 square kilometers (8,522 sq mi), and the total area under israeli control, including the military-controlled and partially palestinian-governed territory of the west bank, is 27,799 square kilometers (10,733 sq mi). despite its small size, israel is home to a variety of geographic features, from the negev desert in the south to the inland fertile jezreel valley, mountain ranges of the galilee, carmel and toward the golan in the north. the israeli coastal plain on the shores of the mediterranean is home to 57 percent of the nation's population. east of the central highlands lies the jordan rift valley, which forms a small part of the 6,500-kilometer (4,039 mi) great rift valley. <SEP> He was a member for Henrico County in the House of Delegates from 1813 to 1816 and from 1818 to 1821. He later served as Registrar of the Land Office. According to the Library of Virginia "William Selden was born 31 January 1791 in Henrico County, Virginia, to Miles Selden (1752-1811) and Elizabeth Armistead Selden (1752-1833). He married first Maria Eliza Swann (d. 1834) 26 November 1833, and they had one child. He married second Emily Hunter 9 June 1840, and they had eight children. Selden died 7 April 1874."