We found 156 public water systems that could serve the same population as Middle Island Country Club (ordered by population size).
| Name | Areas served | Population served | Contaminant count | Violation count |
|---|---|---|---|---|
| Suffolk County Water Authority | Babylon, Brookhaven, East Hampton, Huntington, Islip, Riverhead, Smithtown, Southampton, Southold | 1,100,000 | 3,457 | 9 |
| Stony Brook Water District | Brookhaven | 4,836 | 44 | 0 |
| Brookhaven National Labs | Brookhaven | 3,500 | 0 | 0 |
| Seaview Water Company | Brookhaven | 1,400 | 0 | 9 |
| Valero | Brookhaven | 1,000 | 0 | 0 |
| Shirley Plaza | Brookhaven | 1,000 | 0 | 0 |
| Smith Point County Park | Brookhaven | 1,000 | 0 | 0 |
| Calverton Hills Owners Assn | Brookhaven | 897 | 0 | 35 |
| Loguidice Shopping Center | Brookhaven | 800 | 0 | 2 |
| Schiff Scout Reservation | Brookhaven | 540 | 0 | 0 |
| Burger King | Brookhaven | 500 | 0 | 0 |
| Windmill Diner | Brookhaven | 500 | 0 | 0 |
| Southaven County Park-skeet Range | Brookhaven | 500 | 0 | 0 |
| Exit 42 Bagel & Deli | Brookhaven | 350 | 0 | 0 |
| Dune Realty Corp | Brookhaven | 304 | 0 | 0 |
| Hero Haven And More | Brookhaven | 300 | 0 | 0 |
| Graces Hot Dog Plus | Brookhaven | 300 | 0 | 0 |
| YAPHANK PIZZA | Brookhaven | 300 | 0 | 0 |
| Colonial Shopping Center | Brookhaven | 300 | 0 | 0 |
| Quality Plaza | Brookhaven | 300 | 0 | 0 |
| Coram Municipal Office | Brookhaven | 300 | 0 | 0 |
| Boston Market-shirley | Brookhaven | 250 | 0 | 0 |
| Long Island Game Farm | Brookhaven | 200 | 0 | 5 |
| Coram Gardens/jamaican Spot | Brookhaven | 200 | 0 | 2 |
| Speedway #7805 (fna Hess Mart) | Brookhaven | 200 | 0 | 0 |
| Spring Lake Golf Restaurant | Brookhaven | 200 | 0 | 1 |
| Amici Restaurant | Brookhaven | 200 | 0 | 1 |
| North Shore Mall | Brookhaven | 200 | 0 | 0 |
| Plaza 1245 | Brookhaven | 200 | 0 | 0 |
| Checkers (selden) | Brookhaven | 200 | 0 | 0 |
| Di Carlo Plaza | Brookhaven | 200 | 0 | 0 |
| Ridge Country Deli | Brookhaven | 200 | 0 | 0 |
| Carvel #685 (shirley) | Brookhaven | 200 | 0 | 0 |
| Bingo Snack Bar | Brookhaven | 200 | 0 | 0 |
| Roy Rogers | Brookhaven | 200 | 0 | 0 |
| Garden Plaza | Brookhaven | 200 | 0 | 0 |
| Trackside Cafe | Brookhaven | 200 | 0 | 0 |
| Sailor Haven Fins | Brookhaven | 200 | 0 | 0 |
| Gaslight Motor Lodge | Brookhaven | 200 | 0 | 0 |
| Stingers Restaurant Lounge & Bar | Brookhaven | 200 | 0 | 0 |
| Urban Spirit | Brookhaven | 200 | 0 | 0 |
| C.p. La Mannos Italian Restaurant | Brookhaven | 200 | 0 | 0 |
| Cup & Saucer Luncheonette | Brookhaven | 200 | 0 | 0 |
| Lombardis Restaurant | Brookhaven | 200 | 0 | 0 |
| Shrine Of Our Lady Of The Island | Brookhaven | 200 | 0 | 0 |
| Plaza 3316 | Brookhaven | 200 | 0 | 0 |
| Gorman Shopping Center | Brookhaven | 200 | 0 | 0 |
| Camp Sobaco | Brookhaven | 200 | 0 | 0 |
| Madison Park/plaza130/east M Selfstorage | Brookhaven | 200 | 0 | 0 |
| Commerce Center | Brookhaven | 200 | 0 | 0 |
| Tequila Jacks & Ocean View Hotel | Brookhaven | 200 | 0 | 0 |
| Horseblock Road Shopping Ctr. | Brookhaven | 200 | 0 | 0 |
| 1983 Montauk Hwy Offices Coparts | Brookhaven | 190 | 0 | 3 |
| Rock Hill Country Club | Brookhaven | 150 | 0 | 1 |
| Carmans River Deli | Brookhaven | 150 | 0 | 0 |
| Ralphs Italian Ices | Brookhaven | 150 | 0 | 0 |
| Watch Hill Finss | Brookhaven | 150 | 0 | 0 |
| Maples Bar & Grill | Brookhaven | 150 | 0 | 0 |
| YMCA BROOKHAVEN TOWN POOL | Brookhaven | 150 | 0 | 0 |
| Spadaro Airport | Brookhaven | 150 | 0 | 0 |
| Eastport Commons | Brookhaven | 150 | 0 | 0 |
| Old Stone Market | Brookhaven | 125 | 0 | 1 |
| First Student-middle Island(was Laidlaw) | Brookhaven | 125 | 0 | 2 |
| Great Gun Beach | Brookhaven | 100 | 0 | 0 |
| Silly Lilly Fishing Station | Brookhaven | 100 | 0 | 0 |
| Exxon (fna Hess Mart Calverton) | Brookhaven | 100 | 0 | 0 |
| Frank Melville Park | Brookhaven | 100 | 0 | 0 |
| YMCA BROOKHAVEN ROE | Brookhaven | 100 | 0 | 0 |
| Texaco-middle Island | Brookhaven | 100 | 0 | 0 |
| 691 Montauk Hwy Offices | Brookhaven | 100 | 0 | 0 |
| Squassux Landing Marina | Brookhaven | 100 | 0 | 0 |
| Six Bits Deli | Brookhaven | 100 | 0 | 0 |
| Beverly Medical Park | Brookhaven | 100 | 0 | 0 |
| Joes Global Cafe | Brookhaven | 100 | 0 | 0 |
| Smiths Point Chk Station Finns | Brookhaven | 100 | 0 | 0 |
| Talisman Beach Fins | Brookhaven | 100 | 0 | 0 |
| Calverton National Cemetery | Brookhaven | 100 | 0 | 0 |
| Shirley Beach | Brookhaven | 100 | 0 | 0 |
| Alfredos Ii Pizza | Brookhaven | 100 | 0 | 0 |
| American Seafood Market & Cafe | Brookhaven | 100 | 0 | 0 |
| Mid-nite Inn | Brookhaven | 100 | 0 | 0 |
| Eastport Ice Cream & Bakery | Brookhaven | 100 | 0 | 0 |
| Franks Pizza | Brookhaven | 100 | 0 | 0 |
| Weirs Corner Deli | Brookhaven | 100 | 0 | 0 |
| 600 Middle Country Road | Brookhaven | 100 | 0 | 0 |
| YAPHANK FIRE DEPARTMENT | Brookhaven | 100 | 0 | 0 |
| Brookhaven Medical Associates | Brookhaven | 100 | 0 | 0 |
| Carvel #572 (centereach) | Brookhaven | 100 | 0 | 0 |
| Larrys Crabhouse @windswept | Brookhaven | 100 | 0 | 0 |
| Vasquez Deli & Grocery | Brookhaven | 100 | 0 | 0 |
| Oakwood Superette & Deli | Brookhaven | 100 | 0 | 0 |
| Midnight Food Market | Brookhaven | 99 | 0 | 0 |
| Holiday Beach Prop. Owners | Brookhaven | 99 | 0 | 0 |
| Camp Paquatuck | Brookhaven | 98 | 0 | 0 |
| Hampton Ocean Resorts | Brookhaven | 90 | 0 | 0 |
| Local 138 O.e. Training School | Brookhaven | 80 | 0 | 0 |
| Center Court Industrial Park | Brookhaven | 75 | 0 | 0 |
| Bp Gas-ridge | Brookhaven | 75 | 0 | 0 |
| Great Gardens /l.i. Compost | Brookhaven | 75 | 0 | 0 |
| Jimmys Diner | Brookhaven | 75 | 0 | 0 |
| Cathedral Pines County Park | Brookhaven | 75 | 0 | 0 |
| Dragones Pizza | Brookhaven | 75 | 0 | 0 |
| Mobil Mart Manorville | Brookhaven | 75 | 0 | 0 |
| Slm Industries Park | Brookhaven | 70 | 0 | 0 |
| Shore Motor Inn | Brookhaven, Patchogue | 69 | 0 | 0 |
| Jurgielewicz Duck Farm | Brookhaven | 65 | 0 | 0 |
| All Island Cleaning Services | Brookhaven | 60 | 0 | 0 |
| Estonian Educational Soc | Brookhaven | 60 | 0 | 0 |
| Moriches Yacht Club | Brookhaven | 60 | 0 | 0 |
| Middle Island Nursery School | Brookhaven | 60 | 0 | 0 |
| International Baptist Church | Brookhaven | 60 | 0 | 0 |
| Shirley Motel | Brookhaven | 52 | 0 | 0 |
| Bellport Village Beach | Brookhaven | 50 | 0 | 0 |
| North Shore Office Building | Brookhaven | 50 | 0 | 0 |
| Ighl | Brookhaven | 50 | 0 | 0 |
| Eastport Animal Hospital | Brookhaven | 50 | 0 | 0 |
| Medford Sports Complex | Brookhaven | 50 | 0 | 0 |
| 112 Exxon Service Station | Brookhaven | 50 | 0 | 0 |
| Coram Sunoco | Brookhaven | 50 | 0 | 0 |
| Citgo-middle Island | Brookhaven | 50 | 0 | 0 |
| Getty-ridge | Brookhaven | 50 | 0 | 0 |
| Mobil Gas-shirley | Brookhaven | 50 | 0 | 0 |
| Pickwick Beach Club | Brookhaven | 50 | 0 | 0 |
| Mobil-ridge | Brookhaven | 50 | 0 | 0 |
| Coastal Gas-eastport | Brookhaven | 50 | 0 | 0 |
| Usa Gas And Minimart | Brookhaven | 50 | 0 | 0 |
| Lupo/saladino Chiropractic | Brookhaven | 50 | 0 | 0 |
| Long Island Wyandanch Club | Brookhaven | 50 | 0 | 0 |
| Brookhaven Bathing Association | Brookhaven | 50 | 0 | 0 |
| T & Ds Fish Market And Restaurant | Brookhaven | 50 | 0 | 0 |
| Barnwood Market | Brookhaven | 50 | 0 | 0 |
| Speed Mart | Brookhaven | 50 | 0 | 0 |
| Varneys Restaurant | Brookhaven | 48 | 0 | 0 |
| First Student | Brookhaven | 47 | 0 | 0 |
| Afco Precast | Brookhaven | 40 | 0 | 0 |
| Magnetico, Inc. | Brookhaven | 40 | 0 | 0 |
| King Kullen (eastport) | Brookhaven | 40 | 0 | 0 |
| 200 Middle Country Plaza-inactive | Brookhaven | 40 | 0 | 0 |
| Kings Plaza | Brookhaven | 39 | 0 | 0 |
| Acme Bus Corp | Brookhaven | 38 | 0 | 0 |
| 555 Professional Bldg. | Brookhaven | 30 | 0 | 0 |
| Port Jeff Village Beach West | Brookhaven | 30 | 0 | 0 |
| Post Ave Partners Llc | Brookhaven | 30 | 0 | 0 |
| Pase Food Mart/gas Station | Brookhaven | 30 | 0 | 0 |
| Local 66 Training Facility | Brookhaven | 30 | 0 | 0 |
| New York Power Authority | Brookhaven | 28 | 0 | 0 |
| Dodaro Construction | Brookhaven | 17 | 0 | 0 |
| Starbucks | Brookhaven | 0 | 0 | 0 |
| Cablevision | Brookhaven | 0 | 0 | 0 |
| Branchbrook Offices | Brookhaven | 0 | 0 | 0 |
| Central Brookhaven Head Start | Brookhaven | 0 | 0 | 0 |
| Spring Lake Commons | Brookhaven | 0 | 0 | 0 |
| Imperial Nurseries | Brookhaven | 0 | 0 | 0 |
| Cdc Realty Co | Brookhaven | 0 | 0 | 0 |
| Pinewood Commons | Brookhaven | 0 | 0 | 0 |
| Middle Island Child Care | Brookhaven | 0 | 0 | 0 |