Drainage summary
South Plainfield borough, Middlesex County, New Jersey. Population: 25,062. Land area: 8.3 sq mi. Puddles, ditches, stormwater and washed-out shoulders.
Recorded local data
Population25,062Source: census_popest_cousub. Population year: 2024.
Land area8.3 sq miSource: census_gazetteer. Geography year: 2023. Water area is excluded.
Derived from recorded data
Residents per square mile3,020.9Population / land area. Population and geography may refer to different years.
Model scenario
Stormwater segments~ 3 miScenario: (land area in square miles x 2.2 (assumed road miles per square mile)) x 0.18. Coefficients are assumptions, not locally measured rates. Not a verified object count.
Ditches and channels~ 5Scenario: (square root of land area in square miles) x 1.8. Coefficients are assumptions, not locally measured rates. Not a verified object count.
Road shoulders~ 2 miScenario: (land area in square miles x 2.2 (assumed road miles per square mile)) x 0.12. Coefficients are assumptions, not locally measured rates. Not a verified object count.
Model values are scenarios, not an inventory or evidence that a service exists. Queues, applications, incidents, service users and unsafe homes are not inferred from population. Missing data does not mean zero.