California's 39th congressional district

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.

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.

South Diamond Bar is an unincorporated area in eastern Los Angeles County, which has been designated an agricultural zone, according to the Los Angeles County Regional Planning Department.Though unincorporated, the land is owned by the City of Industry. It is commonly called the Ranch. There is no commercial or residential land in the area. As such, the population is zero.There is a camping ground in the area called the Firestone Boy Scout Reservation, which is available to nonprofit youth groups. The street address of the camping ground is labeled as Brea, despite it not being located within the city of Brea, and only a small portion being located in Orange County. The area is bordered by Diamond Bar to the north and Chino Hills to the east.

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 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.

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.

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.

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

Brea Olinda High School is a 9th–12th grade public high school located in Brea, California. Established in 1927, the school was originally located across the street from the Brea Mall. In 1989, the school moved to its current location on the northern hills of Brea. Brea Olinda High School is a part of the Brea Olinda Unified School District.

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.

El Dorado High School is a 9th–12th grade public high school located in Placentia, California. Established in 1966, El Dorado is one of four high schools in the Placentia-Yorba Linda Unified School District, and serves the northern parts of Placentia, and Yorba Linda far eastern Fullerton, (east of the 57 freeway), and a small portion of Brea. The EDHS campus is located at 1651 Valencia Avenue, approximately 29 miles from downtown Los Angeles and 18 miles from the California coastline. The school currently has an enrollment of over 2,400 students. The school's first graduating class was the class of 1969. The campus received a major renovation in 2002. The EDHS gymnasium is dedicated to Joe Raya, a former Athletics department staff member. The theatre is dedicated to Mrs. Gai Jones, who directed the theatre department from 1967 to 2002. In 2004, Athletic director Sally Reclusado was selected as the CIF Southern Section Athletic Director of the Year. Librarian Linda Birtler was awarded the Orange County Department of Education's Outstanding Contribution to Education Award. El Dorado has also won the prestigious Blue Ribbon Award.The school is home to the El Dorado Golden Hawks Marching Band; the band's past achievements include a performance in the Sydney Olympics Opening Ceremony, the Tournament of Roses Parade and top honors in two trips to the Hawaii International Competition.