Water summary
Roselle borough, Union County, New Jersey. Population: 23,064. Land area: 2.6 sq mi. Water outages, quality, pressure and utility messages.
Recorded local data
Population23,064Source: census_popest_cousub. Population year: 2024.
Land area2.6 sq miSource: census_gazetteer. Geography year: 2023. Water area is excluded.
Derived from recorded data
Residents per square mile8,752.9Population / land area. Population and geography may refer to different years.
Model scenario
Service connections~ 141Scenario: (population / 2.45 (assumed people per household)) x 0.015. Coefficients are assumptions, not locally measured rates. Not a verified object count.
Pressure zones~ 2Scenario: (population / 10,000) x 0.8. Coefficients are assumptions, not locally measured rates. Not a verified object count.
Hydrant and valve areas~ 3Scenario: (population / 10,000) x 1.2. 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.