South Diamond Bar, California

California's 39th congressional district is a congressional district in the U.S. state of California. The district includes parts of Riverside County, including Jurupa Valley, Riverside, Moreno Valley, and Perris. The district has been represented by Democrat Mark Takano ever since he was redistricted from the 41st congressional district in 2022.

The Olinda Landfill (official name: Olinda Alpha Sanitary Landfill) is a landfill situated in Orange County, California, west of the northern portion of Chino Hills State Park in Carbon Canyon in Olinda neighborhood of Brea City. Facility size is approximately 565-acre (2.29 km2) with about 420-acre (1.7 km2) permitted for refuse disposal. The landfill has a processing capacity of 8,000 tons per day, while on average it receives 6,800 tons (cca 85% of capacity). City of Brea (where the landfill is situated) alone provides about 30% of the total daily refuse deposited at the facility.The landfill was opened in 1960. The facility is owned by Orange County and it is operated by Orange County Waste & Recycling Department (formerly County of Orange Integrated Waste Management Department). The landfill was featured on Cycle 16 of America’s Next Top Model. Currently the landfill is scheduled to close in December 2021. Plans for postponement of landfill's closure by expansion of its area further into Carbon Canyon just west of Brea Olinda High School were cancelled in 1996 as Land and Water Conservation Fund decided to incorporate adjacent federal lands into Chino Hills State Park, rather than to dedicate it for landfill enlargement. After landfill closure the site will be landscaped to become part of Chino Hills State Park.

Diamond Bar High School (DBHS) is a public high school located in Diamond Bar, California, as part of the Walnut Valley Unified School District.Diamond Bar High School's mascot is the Brahma, and the school colors are purple and gold. Diamond Bar High School students participate in programs such as Advanced Placement (AP) and International Baccalaureate (IB). During the school year, DBHS received an Academic Performance Index of 870, and 97% of students passed the California High School Exit Exam in 2008-2009. The Brahma Athletic teams will compete in the Palomares League of the CIF Southern Section in 2014–15.

Rancho Cañón de Santa Ana was a 13,328-acre (53.94 km2) land grant in present-day Orange County, California given by Mexican governor José Figueroa in 1834 to Bernardo Yorba. The name means "Canyon of Santa Ana". The grant included present-day Yorba Linda.

Carbon Canyon Regional Park (or simply Carbon Canyon Park) is a regional park in Brea, California, that was created after the Carbon Canyon Creek was dammed. It links up with Chino Hills State Park on the east side. The park also is home to a small forest of Redwood trees, which have been struggling to survive since the start of the 2010 California drought.

Olinda is a neighborhood in Brea, California, located on Carbon Canyon Road east of the rest of the city. The original village was founded in the 1890s and grew when petroleum was discovered at the adjacent Brea-Olinda Oil Field. In February 1917, Olinda Village and the nearby town of Randolph were incorporated as the city of Brea. The site is now registered as California Historical Landmark #918 registered on January 1. 1978.Olinda Landfill, located in Carbon Canyon, was opened in 1960 and is scheduled to be closed in December 2021. The name was revived for a quiet neighborhood built in the hills near the site of the original village, beginning in 1964. The neighborhood has six streets, and holds about 120 homes (many horse properties), and a condominium complex. It is near Carbon Canyon Regional Park and Chino Hills State Park, and surrounded by hills covered with chaparral and home to coyotes, owls, hawks and rattlesnakes. A Southern California Edison electrical substation in the area is also named Olinda. Olinda gives its name to an elementary school as well as Brea-Olinda High School, which serves Brea and Olinda.

KGBN (1190 kHz) is a Korean Christian brokered time AM radio station licensed to Anaheim, California. It serves Orange County and Greater Los Angeles. Rev. Young Sun Lee serves as the president of the Korean Gospel Broadcasting Network, which owns the station. KGBN is one of four radio stations in the Los Angeles area that broadcast entirely in Korean. The others are 1230 KYPA, 1540 KMPC and 1650 KFOX in Torrance, although they have mostly secular formats. KGBN broadcasts with 20,000 watts by day. But to protect other stations from interference on AM 1190, power is reduced at night to 1,300 watts. It uses a directional antenna at all times. The transmitter is near the Orange Freeway (California State Route 57) in Brea, California.

Sleepy Hollow is a neighborhood situated in Carbon Canyon among the Chino Hills within the city of Chino Hills in San Bernardino County. The western boundary of the neighborhood adjoins the city of Brea in Orange County. Founded by Cleve and Elizabeth (Heald) Purington on about eighty acres in the 1920s, the community was subdivided into small cabin lots geared towards non-permanent residents. Purington, in 1925, created the Sleepy Hollow Water and Improvement Company, which had capital of $14,000 issued in 280 certificates of $50 each, to develop the neighborhood. Many of these cabins, some greatly altered, are still found in the neighborhood, which likely benefitted from the paving of Carbon Canyon Road (also State Route 142) in 1925. After World War II, Sleepy Hollow began to be inhabited more by full-time residents. Sleepy Hollow had a cafe and tavern called Ichabod's that later became a store and gas station (now known as Canyon Market) and there was another grocery store at the far eastern end of the community later. Other interesting historical features included the volunteer fire house and community center, now replaced by a modern community center built in the early 2000s, and the community church, which is now a private residence. A natural stream, known as Carbon Creek or Carbon Canyon Creek also winds through Sleepy Hollow and a hot springs existed at the bank of the creek just along the north edge of the state highway. As a canyon community, Sleepy Hollow has been threatened several times by major fires, including in 1929, 1958, and 1990, all of which brought the loss of homes in the neighborhood. In November 2008, the massive Freeway Complex Fire burned to the very edges of the community and forced the evacuation of nearly all of its residents for three days, but, incredibly, no homes were lost. The City of Chino Hills has developed an evacuation and emergency access system for Sleepy Hollow and other neighborhoods within the Canyon. Sleepy Hollow now has about 130 houses and about 300 to 400 residents. While development to the east since the late 1980s has greatly increased commuter traffic on Carbon Canyon Road, the neighborhood still retains a country feel that belies the suburbanization that goes on around it.

Diamond Bar is a city in eastern Los Angeles County, California, United States. At the 2010 census it had a population of 55,544, and in 2019 the population was estimated to be 55,720. It is named after the "diamond over a bar" branding iron registered in 1918 by ranch owner Frederic E. Lewis (1884–1963). The city features a public Los Angeles County golf course. Located at the junction of the Pomona and Orange freeways, Diamond Bar is primarily residential with shopping centers interspersed throughout the city. It is surrounded by the cities of Brea, Walnut, Chino Hills, Pomona, City of Industry, and the unincorporated areas of Rowland Heights and South Diamond Bar.Northern Diamond Bar is a part of the Pomona Unified School District. Southern Diamond Bar is a part of the Walnut Valley Unified School District. The city is also served by International Polytechnic High School. It also has the first hydrogen fueling station to be built in Southern California, near the South Coast Air Quality Management District building.

The Brea-Olinda Oil Field is a large oil field in northern Orange County and Los Angeles County, California, along the southern edge of the Puente Hills, about four miles (6 km) northeast of Fullerton, and adjacent to the city of Brea. Discovered in 1880, the field is the sixteenth largest in California by cumulative production, and was the first of California's largest 50 oil fields to be found. It has produced over 412 million barrels of oil in the 130 years since it was first drilled, and retains approximately 19 million barrels in reserve recoverable with current technology. As of the beginning of 2009, 475 wells remained active on the field, operated by several independent oil companies, including Linn Energy, BreitBurn Energy Partners L.P., Cooper & Brain, and Thompson Energy.

Carbon Canyon Dam (or Carbon Creek Dam) is a dam at the northern edge of Orange County, California. The dam is approximately 4 miles (6.4 km) east of the city of Brea and approximately 12 miles (19 km) north of the city of Santa Ana. The drainage area above the dam is 19.3 square miles (50 km2) and is encompassed entirely within the Puente and Chino Hills. The Carbon Canyon Creek flows in a generally southwesterly direction onto the coastal Orange County Plain, joins Coyote Creek, and then flows into the San Gabriel River.

Olinda Elementary is an elementary-level school located in Brea, California.