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Below are the results for the largest utilities serving County

Utility name City People served
Suffolk County Water AuthorityHauppauge, NYPopulation served:1,137,108
South Huntington Water DepartmentSouth Huntington, NYPopulation served:81,760
Greenlawn WDGreenlawn, NYPopulation served:42,000
Riverhead WDRiverhead, NYPopulation served:37,050
Dix Hills Water DistrictHuntington, NYPopulation served:34,522

Below are the results for utilities serving the searched zip code and the surrounding county.

Utility name City People served
Brentwood WD Oakdale Population served: 28,500
Brookhaven National Labs Upton Population served: 3,500
Calverton Hills Owners Association Calverton Population served: 897
Dering Harbor Water District Shelter Island Population served: 136
Dix Hills Water District Huntington Population served: 34,522
Dougherty Water Company Oak Beach Population served: 52
East Farmingdale Water District Oakdale Population served: 7,500
Fishers Island Water Works Corporation Fishers Island Population served: 2,500
Greenlawn WD Greenlawn Population served: 42,000
Greenport Village Greenport Population served: 2,050
Hampton Bays WD Hampton Bays Population served: 12,500
Maidstone Park Cottages East Hampton Population served: 34
Mccarren Water Supply Oak Beach Population served: 50
Mccrodden Water Company Babylon Population served: 33
Northport Va Hospital Northport Population served: 2,300
Ocean Beach Water District Ocean Beach Population served: 4,500
Peconic River Mobile Home Park Riverhead Population served: 75
Peconic View Mobile Home Park Bayport Population served: 40
Riverhead WD Riverhead Population served: 37,050
Riverside Water District Oakdale Population served: 2,050
Robert Moses State Park Babylon Population served: 40
Saltaire Water District Bay Shore Population served: 2,000
Seaview Water Company Ocean Beach Population served: 1,400
Shelter Island Heights Association Shelter Isalnd Heights Population served: 463
Smithtown WD Kings Park Population served: 19,635
South Huntington Water Department South Huntington Population served: 81,760
St James WD St James Population served: 10,587
Stony Brook Water District Oakdale Population served: 4,836
Suffolk County Water Authority Hauppauge Population served: 1,137,108
West Gilgo Beach Association West Gilgo Beach Population served: 300
West Neck Water Supply Shelter Island Population served: 100
Westbrook Village Population served: 85