We found 276 public water systems in Onslow county (ordered by population size).
| Name | Areas served | Population served | Contaminant count | Violation count |
|---|---|---|---|---|
| Onslow Wtr And Sewer Authority | Jacksonville | 124,871 | 25 | 68 |
| Camp Lejeune | Camp Lejeune | 58,300 | 0 | 0 |
| Jacksonville City Of | Jacksonville | 44,196 | 24 | 2 |
| Usmc Lejeune--hadnot Point | Camp Lejeune | 37,500 | 14 | 3 |
| Usmc Lejeune--holcomb Blvd | Camp Lejeune | 17,000 | 12 | 7 |
| Usmc Lejeune--new River Air St | Camp Lejeune | 11,500 | 8 | 6 |
| Usmc Lejeune--tarawa Terrace | Camp Lejeune | 6,196 | 0 | 0 |
| Usmc Lejeune--camp Johnson | Camp Lejeune | 2,962 | 0 | 0 |
| Usmc Lejeune--courthouse Bay | Camp Lejeune | 2,700 | 0 | 0 |
| Lauradale S/d | Jacksonville | 2,527 | 0 | 50 |
| Northwest Onslow Water Assoc | Richlands | 1,890 | 0 | 13 |
| Swansboro, Town Of | Swansboro | 1,700 | 0 | 0 |
| Raintree/summersill Estates #2 | Jacksonville | 1,539 | 0 | 15 |
| Montclair S/d | Jacksonville | 1,240 | 0 | 0 |
| White Oak School | Jacksonville | 1,100 | 0 | 0 |
| Richlands, Town Of | Richlands | 1,001 | 0 | 0 |
| Holiday Mh City | Jacksonville | 1,000 | 0 | 0 |
| Triangle Outpost Estates | Hubert | 900 | 0 | 0 |
| Deerfield S/d | Jacksonville | 840 | 0 | 0 |
| Holly Ridge, Town Of | Holly Ridge | 832 | 0 | 0 |
| White Street Industrial Park | Jacksonville | 800 | 0 | 6 |
| Usmc Lejeune-devil Dog-verona Loop | Camp Lejeune | 800 | 0 | 0 |
| Tabernacle School | Maysville | 770 | 0 | 0 |
| Usmc Lejeune--rifle Range | Camp Lejeune | 750 | 0 | 6 |
| Morton Elem School | Jacksonville | 670 | 0 | 0 |
| Swansboro High School | Swansboro | 650 | 0 | 0 |
| Windsor Manor S/d | Jacksonville | 650 | 0 | 0 |
| White Oak Estates | Jacksonville | 600 | 0 | 0 |
| Quail Haven Mh S/d | Hubert | 500 | 0 | 0 |
| Regalwood Water Company | Jacksonville | 500 | 0 | 0 |
| Dixon High School | Holly Ridge | 500 | 0 | 0 |
| Beacham Apartments No 1 | Jacksonville | 475 | 0 | 31 |
| Beacham Apartments No 2 | Jacksonville | 475 | 0 | 11 |
| Gatlins Mhp | Hubert | 472 | 0 | 0 |
| Hammocks Beach State Park-bear Island | Swansboro | 450 | 0 | 3 |
| Hammocks Beach State Park-main | Swansboro | 450 | 0 | 0 |
| Summersill Estates No 2 | Jacksonville | 443 | 0 | 0 |
| Belleau Woods Mhp | Jacksonville | 425 | 0 | 0 |
| Crown Point S/d | Swansboro | 425 | 0 | 0 |
| Piney Green Estates Mhp | Jacksonville | 425 | 0 | 0 |
| Scotch Bonnet Trailer Park | Holly Ridge | 400 | 0 | 0 |
| Cedar Creek S/d | Jacksonville | 400 | 0 | 0 |
| Carolina Brand Foods | Holly Ridge | 400 | 0 | 0 |
| Hickory Hills Estates Mhp | Jacksonville | 365 | 0 | 0 |
| Triangle Tr Pk | Jacksonville | 364 | 0 | 0 |
| Surf City Family Camp Gro | Surf City | 360 | 0 | 0 |
| Sherwood Mhp | Midway Park | 353 | 0 | 12 |
| Hewitts Tr Pk | Hubert | 340 | 0 | 0 |
| Usmc Lejeune--onslow Beach | Camp Lejeune | 320 | 0 | 0 |
| Eastwood Mhp | Jacksonville | 300 | 0 | 0 |
| Scotch Bonnet Pier | Holly Ridge | 300 | 0 | 0 |
| Summersill Elem School | Jacksonville | 280 | 0 | 0 |
| Silverdale Elem School | Silverdale | 270 | 0 | 0 |
| Webb Apts | Jacksonville | 250 | 0 | 0 |
| Pinewood Tp & Campground | Holly Ridge | 250 | 0 | 0 |
| Sea Pines Mobile Home Park | Hubert | 215 | 0 | 0 |
| Oakwoods Subdivision | Jacksonville | 211 | 0 | 0 |
| Collins Estates Mobile Home | Jacksonville | 210 | 0 | 0 |
| Edgewater Rest | Sneads Ferry | 200 | 0 | 0 |
| Troy Humphreys Rentals | Jacksonville | 200 | 0 | 0 |
| Jacksonville Club | Jacksonville | 200 | 0 | 0 |
| Hillcrest Mhp | Jacksonville | 175 | 0 | 0 |
| Piney Center Homes | Hubert | 168 | 0 | 0 |
| Riverview Restaurant | Sneads Ferry | 164 | 0 | 0 |
| Summersill Estates No 1 | Jacksonville | 163 | 0 | 12 |
| Ramseys Mhp | Hubert | 160 | 0 | 0 |
| Mitchell 4-h Camp | Swansboro | 160 | 0 | 0 |
| Essential Utilities | Wilmington | 158 | 0 | 0 |
| H&j Mobile Home Park | Jacksonville | 150 | 0 | 0 |
| Highway 258 Truck Stop | Jacksonville | 150 | 0 | 0 |
| Bakers Rest | Jacksonville | 150 | 0 | 0 |
| Swoopys Rest | Sneads Ferry | 150 | 0 | 0 |
| Kenwood S/d | Jacksonville | 150 | 0 | 0 |
| Shipwreck Lounge | Jacksonville | 150 | 0 | 0 |
| Midville Gulf Serv Stat | Jacksonville | 150 | 0 | 0 |
| Powells M H Ests 6 | Jacksonville | 140 | 0 | 0 |
| Oak Ridge S/d | Jacksonville | 140 | 0 | 0 |
| Hinson Arms Apartments | Jacksonville | 125 | 0 | 0 |
| Jacksonville Lic Renew Ctr | Jacksonville | 125 | 0 | 0 |
| Collins Heights Trlr Park | Jacksonville | 124 | 0 | 0 |
| Reserve At Jacksonville Common | Jacksonville | 122 | 0 | 0 |
| Faires T P | Jacksonville | 120 | 0 | 0 |
| Waterfront M H P | Jacksonville | 120 | 0 | 0 |
| Western Sizzlin Restaurant | Jacksonville | 120 | 0 | 0 |
| Hills Mhp | Jacksonville | 120 | 0 | 0 |
| Usmc Lejeune--bb97 Demolition | Camp Lejeune | 120 | 0 | 0 |
| Sunset Mhp | Midway Park | 120 | 0 | 0 |
| Winterwood Mobile Home Park | Jacksonville | 120 | 0 | 0 |
| Circle J Mhp | Jacksonville | 120 | 0 | 0 |
| Mcdowells Mobile Home Court | Jacksonville | 115 | 0 | 0 |
| Pages M H P | Hubert | 112 | 0 | 0 |
| Powells M H Ests 1 | Jacksonville | 112 | 0 | 0 |
| Triangle Plaza Inc | Jacksonville | 110 | 0 | 0 |
| Oasis Trailer Park | Jacksonville | 108 | 0 | 0 |
| Pine Tree Farm T P | Hubert | 108 | 0 | 0 |
| Crist Apts | Jacksonville | 108 | 0 | 0 |
| Simmons Ffa Camp | Swansboro | 105 | 0 | 0 |
| White Oak Rentals | Jacksonville | 104 | 0 | 0 |
| Edwards Mhp | Jacksonville | 104 | 0 | 0 |
| Trailwood Mhp | Jacksonville | 104 | 0 | 0 |
| Evergreen Rentals | Jacksonville | 102 | 0 | 0 |
| Hicks Run Mhp | Jacksonville | 100 | 0 | 0 |
| Country Girl Drive-in | Jacksonville | 100 | 0 | 0 |
| Airport Rest | Richlands | 100 | 0 | 0 |
| Far Eastern Inn Rest | Jacksonville | 100 | 0 | 0 |
| Chateau Madrid | Jacksonville | 100 | 0 | 0 |
| Paradise Pier Rest | Holly Ridge | 100 | 0 | 0 |
| Whirly Burger Rest | Jacksonville | 100 | 0 | 0 |
| Liberty Baptist Church | Holly Ridge | 100 | 0 | 0 |
| Utopia T P | Jacksonville | 100 | 0 | 0 |
| Driftwood Lounge | Jacksonville | 100 | 0 | 0 |
| Kay Windsor | Jacksonville | 100 | 0 | 0 |
| Jiffi #3 | Jacksonville | 100 | 0 | 0 |
| 7-11 Store | Jacksonville | 100 | 0 | 0 |
| Daughtry's M H P | Jacksonville | 98 | 0 | 0 |
| Southgate Mhp | Jacksonville | 94 | 0 | 0 |
| Rocky Run Mobile Villas | Midway Park | 90 | 0 | 0 |
| Shady Pines Mobile Home Pk | Hubert | 88 | 0 | 0 |
| Rochelle Mhp (sam) | Jacksonville | 84 | 0 | 0 |
| Davis Mobile Home Park | Swansboro | 80 | 0 | 0 |
| Powells M H Ests 2 | Jacksonville | 80 | 0 | 0 |
| Jasmine Manor Mhp | Jacksonville | 80 | 0 | 0 |
| Lake Cole Tr Pk | Jacksonville | 80 | 0 | 0 |
| YOPPS T P | Sneads Ferry | 80 | 0 | 0 |
| Sunset Mobile Home Park | Midway Park | 80 | 0 | 0 |
| Warren T P | Jacksonville | 80 | 0 | 0 |
| Usmc Lejeune--sr 10 Range | Holly Ridge | 75 | 0 | 0 |
| Pinecrest Mobile Manor Mhp | Hubert | 75 | 0 | 0 |
| Pollard's Iga 2 | Jacksonville | 75 | 0 | 0 |
| 7-11 Store | Jacksonville | 75 | 0 | 0 |
| The Pines Mob Hm Pk | Hubert | 72 | 0 | 0 |
| Powells M H Ests 5 | Jacksonville | 72 | 0 | 0 |
| Statons Apts | County of Onslow | 72 | 0 | 0 |
| Wilmoth Mhp | Midway Park | 72 | 0 | 0 |
| Chanda`s Ridge | County of Onslow | 70 | 0 | 0 |
| Bay Shore Mhp | Sneads Ferry | 70 | 0 | 0 |
| Pollards Iga | Jacksonville | 70 | 0 | 0 |
| Crestview Mobile Manor | Midway Park | 68 | 0 | 0 |
| Fish Pond Tp | Jacksonville | 68 | 0 | 0 |
| Newbold Mhp | Jacksonville | 68 | 0 | 0 |
| Davis Mhp | Sneads Ferry | 65 | 0 | 0 |
| Wilmoth Mhp | Midway Park | 64 | 0 | 0 |
| Brentwood Mobile Home Park | Jacksonville | 64 | 0 | 0 |
| Ole Pine Mobile Home Park | Jacksonville | 63 | 0 | 0 |
| Powells M H Ests 4 | Jacksonville | 60 | 0 | 0 |
| Silver Maple Apts | Sneads Ferry | 60 | 0 | 0 |
| Weyerhauser | Jacksonville | 60 | 0 | 0 |
| Staton Mhp | Jacksonville | 60 | 0 | 0 |
| Country Boy Grill | Hubert | 60 | 0 | 0 |
| Carolina Squire Steak House | Hubert | 60 | 0 | 0 |
| Morris Mobile Manor | Jacksonville | 56 | 0 | 0 |
| Green Acres Housing Project | Jacksonville | 56 | 0 | 0 |
| Sanderson Bros Mhp | Swansboro | 56 | 0 | 0 |
| Barber Mobile Home Park | Jacksonville | 56 | 0 | 0 |
| Williams T P | Jacksonville | 56 | 0 | 0 |
| Swannie Hi Tr Pk | Swansboro | 50 | 0 | 0 |
| Holly Mart No 1 | Holly Ridge | 50 | 0 | 0 |
| Holly Heights Mhp | Jacksonville | 50 | 0 | 0 |
| Southwest Mhp | Jacksonville | 50 | 0 | 0 |
| K & C Rentals | Jacksonville | 50 | 0 | 0 |
| Dandys Lounge | Jacksonville | 50 | 0 | 0 |
| Country Grill | Richlands | 50 | 0 | 0 |
| Big Chief Tavern | Jacksonville | 50 | 0 | 0 |
| J&j's Pit Stop Tavern/grill | Jacksonville | 50 | 0 | 0 |
| Riggs Pork Market | Maysville | 50 | 0 | 0 |
| Clems Beef & Brew | Hubert | 50 | 0 | 0 |
| Tireville | Jacksonville | 50 | 0 | 0 |
| Blue Creek Mobile Home Park | Jacksonville | 48 | 0 | 0 |
| Dreamland M H P | Richlands | 48 | 0 | 0 |
| Geiger Gate Mhp | Jacksonville | 48 | 0 | 0 |
| Country View Mobile Home Cour | Jacksonville | 48 | 0 | 0 |
| River Bend Mhp | Hubert | 48 | 0 | 0 |
| Twin Acres M H P | Jacksonville | 48 | 0 | 0 |
| Faires Mh Estaes | Jacksonville | 45 | 0 | 0 |
| White's Trailer Park | Jacksonville | 44 | 0 | 0 |
| Wildwood Mhp | Swansboro | 44 | 0 | 0 |
| Fulcher Trailer Park | Jacksonville | 44 | 0 | 0 |
| Pinehurst T P | Hubert | 40 | 0 | 0 |
| Powells M H Ests 3 | Jacksonville | 40 | 0 | 0 |
| Waffle Shoppe | Jacksonville | 40 | 0 | 0 |
| Town & Country Mobile Manor | Sneads Ferry | 40 | 0 | 0 |
| Onslow Mobile Home Park | Jacksonville | 40 | 0 | 0 |
| Santoros Sub & Deli | Jacksonville | 40 | 0 | 0 |
| Santiagos Mhp | Midway Park | 40 | 0 | 0 |
| Onslow Pines Rest Home | Jacksonville | 39 | 0 | 0 |
| H&r Park | Jacksonville | 36 | 0 | 0 |
| Farm Mhp | Midway Park | 36 | 0 | 0 |
| Queens Lake Tp | Hubert | 36 | 0 | 0 |
| Riggs Mob Hm Pk | Hubert | 36 | 0 | 0 |
| Morton Mob Hm Pk | Hubert | 36 | 0 | 0 |
| Mattison Mhp | Hubert | 36 | 0 | 0 |
| Gurba M H P | Hubert | 36 | 0 | 0 |
| Maple Lane M H P | Jacksonville | 36 | 0 | 0 |
| Morton (ra) Mob Hm Pk | Jacksonville | 36 | 0 | 0 |
| Andrews Mhp | Jacksonville | 36 | 0 | 0 |
| Capps M H P | Sneads Ferry | 36 | 0 | 0 |
| Drs Mhp | Jacksonville | 36 | 0 | 0 |
| Fendisen Mhp | Richlands | 36 | 0 | 0 |
| Rowe Mhp - 2 | Holly Ridge | 36 | 0 | 0 |
| Linzey Bell Mhp #1 | Hubert | 36 | 0 | 0 |
| Holly Hills Mhp | Jacksonville | 36 | 0 | 0 |
| Huies Mobile Home Park | Sneads Ferry | 36 | 0 | 0 |
| Indian Head Mhp | Jacksonville | 36 | 0 | 0 |
| Kings Mhp | Jacksonville | 36 | 0 | 0 |
| L S T Enterprises Inc | Sneads Ferry | 36 | 0 | 0 |
| Murphys Mhp | Sneads Ferry | 36 | 0 | 0 |
| Peed Mhp | Jacksonville | 36 | 0 | 0 |
| Marshburns Self Serv | Jacksonville | 35 | 0 | 0 |
| Selbys Variety Store | Jacksonville | 35 | 0 | 0 |
| Starwood Mhp | Jacksonville | 35 | 0 | 0 |
| Westside Mhp | Jacksonville | 35 | 0 | 0 |
| Williams Red & White Store | Jacksonville | 35 | 0 | 0 |
| Carters Meat Packing | Richlands | 35 | 0 | 0 |
| Rachels Rest | Richlands | 35 | 0 | 0 |
| Rice Bowl | Midway Park | 35 | 0 | 0 |
| Continental Lounge | Jacksonville | 35 | 0 | 0 |
| Twin Pines Mob Hm Pk | Jacksonville | 32 | 0 | 0 |
| Crooms Mhp | Jacksonville | 32 | 0 | 0 |
| Linton Mhp | Jacksonville | 32 | 0 | 0 |
| Adj2-twin Lakes Mh Rentals | Jacksonville | 32 | 0 | 0 |
| Blakes Mhp | Jacksonville | 32 | 0 | 0 |
| C&b Mhp | Jacksonville | 32 | 0 | 0 |
| Coles Mhp | Jacksonville | 32 | 0 | 0 |
| Odums Mhp (l) | Swansboro | 32 | 0 | 0 |
| Moores Country Park | Swansboro | 32 | 0 | 0 |
| M&j Mhp | Hubert | 32 | 0 | 0 |
| Humphrey Mhp | Hubert | 32 | 0 | 0 |
| Ben & Barb Mhp | Sneads Ferry | 32 | 0 | 0 |
| Davis Tp | Jacksonville | 32 | 0 | 0 |
| Rowe Mhp | Holly Ridge | 32 | 0 | 0 |
| Sea Breeze Rentals T P | Sneads Ferry | 32 | 0 | 0 |
| WRANCH & COUNTRY MHP | Sneads Ferry | 32 | 0 | 0 |
| Jm Jarman Mhp | Jacksonville | 32 | 0 | 0 |
| Holly Ridge Homes | County of Onslow | 31 | 0 | 0 |
| Morton Manor Steak House | Jacksonville | 30 | 0 | 0 |
| Sir Roberts Lounge | Jacksonville | 30 | 0 | 0 |
| Normandy Trailer Park | Jacksonville | 30 | 0 | 0 |
| Town & Ctry Mhp | Sneads Ferry | 30 | 0 | 0 |
| Moore Buick-pontiac | Jacksonville | 30 | 0 | 0 |
| Humphrey Bros Texaco | Jacksonville | 30 | 0 | 0 |
| White Oak Childrens Center | Maysville | 29 | 0 | 0 |
| Onslow Courts | Hubert | 28 | 0 | 0 |
| Vereen Apartments | Jacksonville | 28 | 0 | 0 |
| Rhodes Mhp | Hubert | 28 | 0 | 0 |
| Prescott Mhp | Swansboro | 28 | 0 | 0 |
| Odums Mhp | Swansboro | 28 | 0 | 0 |
| Barnes Mhp | Hubert | 28 | 0 | 0 |
| Shepard Mhp | Jacksonville | 28 | 0 | 0 |
| Warren Trailer Park | Jacksonville | 28 | 0 | 0 |
| Bear Creek Courts | Hubert | 28 | 0 | 0 |
| Linzey Bell Mob Hm Pk #2 | Hubert | 28 | 0 | 0 |
| Hancock Mhp | Hubert | 28 | 0 | 0 |
| Hansleys Rentals | Hubert | 28 | 0 | 0 |
| Cunniffe Mhp | Hubert | 28 | 0 | 0 |
| Putz Mhp | Richlands | 28 | 0 | 0 |
| Kellum's Mhp | Hubert | 26 | 0 | 0 |
| Holly Ridge Foods | Raleigh | 26 | 0 | 0 |
| Champion Timberlands | Maysville | 25 | 0 | 0 |
| Farnells T P | Jacksonville | 25 | 0 | 0 |
| The Alibi Bar | Midway Park | 25 | 0 | 0 |
| Stenaka Park | Hubert | 25 | 0 | 0 |
| Powell's Trailer Park | Jacksonville | 25 | 0 | 0 |
| Dogwood Variety Store | Hubert | 25 | 0 | 0 |
| Avery Apts | Jacksonville | 25 | 0 | 0 |
| Lejeune Court | Midway Park | 25 | 0 | 0 |
| Brown Mhp | Jacksonville | 25 | 0 | 0 |
| Tyndall Mhp | Jacksonville | 25 | 0 | 0 |
| YOPPS MOB HM PK | Jacksonville | 25 | 0 | 0 |
| Stereo World | Jacksonville | 25 | 0 | 0 |
| Jax Portion Pac | Jacksonville | 25 | 0 | 0 |
| Gant Service Stat #8 | Jacksonville | 25 | 0 | 0 |
| Gainey Mhp | Jacksonville | 25 | 0 | 0 |
| Johnson's T P | Jacksonville | 25 | 0 | 0 |
| Kutch Mhp | Jacksonville | 25 | 0 | 0 |
| Leary Mhp | Maple Hill | 25 | 0 | 0 |
| P & L T P | Holly Ridge | 25 | 0 | 0 |