Imperial Local Agency Formation Commission

The current city and SOI boundaries consist of approximately 4,902 and 5,943 acres, respectively, for a combined total of approximately 10,845 acres.

Flood Control, Fire Protection, Emergency Medical Care, Law Enforcement, Library Services, Parks & Recreation, Maintenance of Local Roadways, Wastewater (collection, treatment and disposal), Water Treatment & Distribution, and all City Hall Services. Water and Wastewater Treatment are provided to some areas in the SOI.

• City of Brawley's 2018 Service Area Plan

The city Limits boundary consists of approximately 5,211 acres (8.1 square miles). The entire service area/sphere of influence consists of approximately 10,050 acres of land, 4,311 of which are outside of the city limits.

Administration, Law Enforcement, Fire Protection, Parks & Recreation, Library & Cultural Arts, Circulation, Stormwater & Drainage, Sanitary Sewer, Domestic Water, and Airport Facilities. Educational Services, Solid Waste, and Utility Services are provided by outside agencies.

• City of Calexico's 2018 Service Area Plan

The city is approximately 899 acres plus two additional tracts of land that are not connected to the city, including the Calipatria Prison, which is 1,227.05 acres located northeast of the city and the Wastewater Treatment Plant, which is approximately 177.5 acres located northwest of the city.

Administration, Drainage, Fire, Law Enforcement, Library, Parks & Recreation, Circulation & Roadways, Wastewater Treatment & Sewer, and Water.

• City of Calipatria's 2018 Service Area Plan

Land within city boundaries comprises approximately 12 square miles. The city and the city’s SOI encompass approximately 26 square miles, or about 16,500 acres of land.

Administration, Drainage, Fire Protection, Law Enforcement, Library, Parks & Recreation, Transportation & Roadways, Wastewater Treatment & Sewer, Water, and Schools.

• City of El Centro's December 2024 Service Area Plan

The city has a total area of 1.1 square miles, with 1.1 square miles of land and 0.40% water. The city’s incorporated area and sphere of influence total approximately 4,800 acres of land.

Administrative, Fire Protection, Police Services (provided by Imperial County Sheriff’s Office, but the city provides the sheriff substation), Park & Recreation, Transportation, Water Treatment & Distribution, Wastewater Collection & Treatment, and Storm Drainage.

• City of Holtville's 2017 Service Area Plan

The entire sphere of influence consists of approximately 8,343 acres of land, 3,999 of which are within the city limits.

Administrative, Drainage (in conjunction with IID), Fire Protection (via contract with the Imperial County), Police Protection, Library, Park & Recreation, Circulation, Sanitary Sewer, and Domestic Water.

• City of Imperial's 2015 Service Area Plan

The city's entire sphere of influence consists of approximately 1,560 gross acres of land. About 272 gross acres are located within the city limits, and 1,288 gross acres are located outside the city limits.

Administrative, Drainage (in conjunction with IID), Fire Protection (via contract with the Imperial County), Police Protection, Library, Park & Recreation, Circulation, Wastewater Treatment & Sewer, and Water. 

• 2016 City of Westmorland SAP