Public Water Systems
1,185 active public water systems in MS, tracked from EPA's Safe Drinking Water Information System (SDWIS) across all 50 states. See our methodology.
| System Name | Location | Population | Violations | PFAS |
| Humphreys Co W/a #5-Woodyard | Belzoni, MS | 48 | 8 | - |
| Natchez State Park Campground | Natchez, MS | 42 | 3 | - |
| Camp Tik-A-Witha | Van Vleet, MS | 40 | 27 | - |
| Fallen Oaks Golf Course | Biloxi, MS | 40 | 3 | - |
| West Harrison Wtr & Sewer Dist #2 | Pass Christian, MS | 40 | 0 | - |
| Pleasant Petroleum Group LLC | Olive Branch, MS | 40 | 31 | - |
| Home Place Pastures | Como, MS | 40 | 20 | - |
| South Quitman-East Tutwiler | Charleston, MS | 40 | 20 | - |
| Simply Seafood & Catering | Diberville, MS | 34 | 17 | - |
| Clinic 221 Family Health Care, LLC | Coldwater, MS | 34 | 0 | - |
| Krebs Trailer Plaza | Pascagoula, MS | 33 | 293 | - |
| City of Greenville (Airbase) | Greenville, MS | 30 | 543 | - |
| Our Lady of Hope, Inc | Osyka, MS | 26 | 372 | - |
| U S Engineers - Piney Woods | Grenada, MS | 25 | 15 | - |
| Sunrise Mobile Home Park | Pearlington, MS | 25 | 211 | - |
| Infinity Science Center | Pearlington, MS | 25 | 0 | - |
| County Farm RD Hurricane Shelter | Gulfport, MS | 25 | 0 | - |
| Saucier Hurricane Shelter | Gulfport, MS | 25 | 0 | - |
| Lobouy Road Hurricane Shelter | Gulfport, MS | 25 | 0 | - |
| Hinds Co Detention Center-Gallatin St | Jackson, MS | 25 | 0 | - |
| Gulf Lng Clean Energy Potable Water Plan | Pascagoula, MS | 25 | 2 | - |
| Seafood Shack Market & Deli | Escatawpa, MS | 25 | 13 | - |
| Midway Food Mart | Moss Point, MS | 25 | 172 | - |
| Atwood Water Park | Monticello, MS | 25 | 10 | - |
| Dr. G's Specialty Foods LLC | Carruere, MS | 25 | 0 | - |
| Pike County Welcome Center | McComb, MS | 25 | 0 | - |
| MS Holmesville Grocery 98 | McComb, MS | 25 | 4 | - |
| Good Mood Cafe | Coldwater, MS | 25 | 4 | - |
| McElveen Fish & BBQ | Tylertown, MS | 25 | 11 | - |
| Hancock County Utility Authority | Waveland, MS | 0 | 128 | - |
| Hancua-Pearlington | Waveland, MS | 0 | 40 | - |
| Hcua-Traditions | Gulfport, MS | 0 | 0 | - |
| Hcua-North | Gulfport, MS | 0 | 0 | - |
| N. E. MS. Regional W/S | Tupelo, MS | 0 | 115 | - |
| Prcua-Poplarville Water System | Picayune, MS | 0 | 155 | - |