We found 98 public water systems that could serve the same population as Jo-b-an Cottages (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 |
| Hampton Bays Wd | Southampton | 12,500 | 49 | 5 |
| Riverside Wd | Southampton | 2,050 | 0 | 2 |
| Noyac Golf & Country Club | Southampton | 500 | 0 | 0 |
| Sagg Main Beach | Southampton | 500 | 0 | 0 |
| Westhampton Tennis Sport | Southampton, Westhampton Beach | 300 | 0 | 0 |
| Broidy Shopping Center | Southampton | 300 | 0 | 0 |
| Am(fna-1 Oak Hampton; Sh Entertainment) | Southampton | 275 | 0 | 7 |
| Sag Harbor State Golf Course | Southampton | 200 | 0 | 2 |
| Mortons Fed Wildlife Refuge | Southampton | 200 | 0 | 0 |
| Neptunes Beach Club | Southampton | 200 | 0 | 0 |
| Tiana Beach | Southampton | 200 | 0 | 0 |
| Foster Memorial Park Beach | Southampton | 200 | 0 | 0 |
| Camp Integrity | Southampton | 200 | 0 | 0 |
| The Waterside | Sag Harbor, Southampton | 200 | 0 | 0 |
| Conscience Point Marina | Southampton | 200 | 0 | 0 |
| 711 Store #15966 | Southampton | 200 | 0 | 0 |
| Southampton Town Activity Center | Southampton | 200 | 0 | 0 |
| The Pantry Deli Aka Noyac Deli | Southampton | 200 | 0 | 0 |
| Bay Berry Land | Southampton | 200 | 0 | 0 |
| Peconic Health & Raquet Club | Southampton | 200 | 0 | 0 |
| The Atlantic | Southampton | 192 | 0 | 0 |
| Hampton Hills Golf Club | Southampton | 150 | 0 | 1 |
| The Pizza Place | Southampton | 150 | 0 | 0 |
| Old Stove Pub | Southampton | 150 | 0 | 10 |
| Fairway Restaurant At Poxabogue Golf | Southampton | 150 | 0 | 1 |
| The Pavillion | Southampton | 150 | 0 | 0 |
| Tidewater Aaa Pub | Southampton | 150 | 0 | 0 |
| South Fork Deli | Southampton | 150 | 0 | 0 |
| Cromers Country Store | Southampton | 150 | 0 | 0 |
| Jak's Deli | Southampton | 150 | 0 | 0 |
| Bayview Market | Southampton | 150 | 0 | 0 |
| Southampton Community Center | Southampton | 135 | 0 | 0 |
| Camp Tekakwitha | Southampton | 130 | 0 | 0 |
| Remsenburg Marina | Southampton | 125 | 0 | 0 |
| Southampton Racquet Club | Southampton | 120 | 0 | 0 |
| Eastport Marina | Southampton | 120 | 0 | 0 |
| Sandy Hollow Day Camp | Southampton | 120 | 0 | 0 |
| Casa Basso | Southampton | 100 | 0 | 0 |
| Jeskis Village | Southampton | 100 | 0 | 0 |
| Armands Restaurant | Southampton | 100 | 0 | 0 |
| Scales & Tails Seafood | Southampton | 100 | 0 | 0 |
| Sandbar Beach Club | Southampton | 100 | 0 | 0 |
| Mill Creek Marina | Southampton | 100 | 0 | 0 |
| Shinnecock Tennis Club (fna Sandy Hollow | Southampton | 100 | 0 | 0 |
| WOODSHED RESTAURANT | Southampton | 100 | 0 | 0 |
| Pierre's (fna Sagg General Store) | Southampton | 100 | 0 | 0 |
| Dune (jet East) | Southampton | 100 | 0 | 0 |
| M.j. Dowling's Steakhouse | Southampton | 100 | 0 | 0 |
| Atlantic Golf Club | Southampton | 100 | 0 | 0 |
| Trata Restaurant | Southampton | 100 | 0 | 0 |
| Mount Fuji Southampton | Southampton | 100 | 0 | 0 |
| La Capannina | Southampton | 100 | 0 | 0 |
| Ts Avallon | Southampton | 100 | 0 | 0 |
| Strongs Marina Of Southampton | Southampton | 100 | 0 | 0 |
| Peconic Marina | Southampton | 100 | 0 | 0 |
| Sportime In The Hamptons | Southampton | 100 | 0 | 0 |
| Watermill Square Association | Southampton | 100 | 0 | 0 |
| Texaco | Southampton | 100 | 0 | 0 |
| Saaz, Essence Of India(fna Greek Bites) | Southampton | 100 | 0 | 0 |
| Elliston Park | Southampton | 100 | 0 | 0 |
| Lobster Grill Inn | Southampton | 100 | 0 | 0 |
| Sally Fletchers | Southampton | 100 | 0 | 0 |
| Drift Inn | Southampton | 100 | 0 | 0 |
| Southampton Hero & Deli | Southampton | 100 | 0 | 0 |
| Cafe Amici | Southampton | 100 | 0 | 0 |
| Soleaus Wharf & Marina/sunwaters Grill | Southampton | 100 | 0 | 0 |
| Great Bay Marine (fna Strongs Marina) | Southampton | 100 | 0 | 0 |
| Palm Beach | Southampton | 85 | 0 | 0 |
| The Bentley, Dba Utopia Lifestyle Inns | Southampton | 80 | 0 | 0 |
| Bull Head Yacht Club | Southampton | 80 | 0 | 0 |
| The Pine Barren Inn | Southampton | 75 | 0 | 0 |
| Hampton House Apartments | Southampton | 70 | 0 | 0 |
| Southampton Bays Resort Motel | Southampton | 70 | 0 | 0 |
| Southampton Peconic Beach Club | Southampton | 60 | 0 | 0 |
| Southampton Montessori School | Southampton | 57 | 0 | 0 |
| Trumpets On The Bay | Southampton | 50 | 0 | 0 |
| Southampton Pre-k School | Southampton | 50 | 0 | 0 |
| Southampton Fresh Air Home | Southampton | 50 | 0 | 0 |
| Cabana Latina | Southampton | 50 | 0 | 0 |
| Chindas Restaurant | Southampton | 50 | 0 | 0 |
| Hampton Deli | Southampton | 50 | 0 | 0 |
| Sea Haven Resort Motel (fna Sun+sand) | Southampton | 50 | 0 | 0 |
| Wolffer Estate Vineyard | Southampton | 50 | 0 | 0 |
| Wolffer Estates Stables | Southampton | 45 | 0 | 0 |
| Station Road Restaurant | Southampton | 40 | 0 | 0 |
| Loaves And Fishes | Southampton | 40 | 0 | 0 |
| Southampton School Transportation | Southampton | 35 | 0 | 0 |
| Caffrey House,the | Southampton | 32 | 0 | 0 |
| Coastal Gas-southampton | Southampton | 30 | 0 | 0 |
| Hampton Hamlet Inn | Southampton | 28 | 0 | 0 |
| Easterner Motel | Southampton | 25 | 0 | 0 |
| Hidden Cove | Southampton | 25 | 0 | 0 |
| Mike Espositos Lounge | Southampton | 25 | 0 | 0 |
| Hac Family Lodge | Southampton | 25 | 0 | 0 |
| Quail Ridge Apartments | Southampton | 21 | 0 | 0 |
| Oaklands Marina | Southampton | 0 | 0 | 0 |
| Ponquoque Beach | Southampton | 0 | 0 | 0 |