We found 56 public water systems that could serve the same population as Fieldon (ordered by population size).
| Name | Areas served | Population served | Contaminant count | Violation count |
|---|---|---|---|---|
| Jersey Rwc | Jerseyville | 16,540 | 41 | 0 |
| Jerseyville | Jerseyville | 11,500 | 20 | 46 |
| Grafton | Grafton | 775 | 0 | 0 |
| New Piasa Chautauqua Pws | County of Jersey | 278 | 0 | 5 |
| New Piasa Chautauqua | County of Jersey | 150 | 0 | 0 |
| Il Yth Cntr-pere Marquette | Quarry Twp | 116 | 0 | 0 |
| Nutwood Water District | County of Jersey | 87 | 0 | 0 |
| Long Lake Resort | County of Jersey | 50 | 0 | 0 |
| County of Jersey | 50 | 0 | 0 | |
| Fidelity Twp Hall | County of Jersey | 25 | 0 | 0 |
| Church Of Christ | County of Jersey | 25 | 0 | 0 |
| Don Ron Trailer Mhp | Unspec Pl In Co | 25 | 0 | 0 |
| W J B M | County of Jersey | 25 | 0 | 0 |
| Pere Marquette State Park | County of Jersey | 25 | 0 | 0 |
| J & L Market | County of Jersey | 25 | 0 | 0 |
| Kellers Steak House | County of Jersey | 25 | 0 | 0 |
| Toms Supermarket 2335 | County of Jersey | 25 | 0 | 0 |
| The Cabin | County of Jersey | 25 | 0 | 0 |
| Collins Salvage | County of Jersey | 25 | 0 | 0 |
| J & L Market | County of Jersey | 25 | 0 | 0 |
| Kellers Steak House | County of Jersey | 25 | 0 | 0 |
| Mississippi Valley Raceway | County of Jersey | 25 | 0 | 0 |
| Desherlia Fish Mkt | County of Jersey | 25 | 0 | 0 |
| New Piasa Chautauqua | County of Jersey | 25 | 0 | 0 |
| The Glades Access Area | County of Jersey | 25 | 0 | 0 |
| Stump Lake Access Area | County of Jersey | 25 | 0 | 0 |
| Lazars Grill | County of Jersey | 25 | 0 | 0 |
| Gerbig Stop & Shop | County of Jersey | 25 | 0 | 0 |
| Lamparter Otterville Grocery | County of Jersey | 25 | 0 | 0 |
| Desherlia Fish Mkt | County of Jersey | 25 | 0 | 0 |
| Bethel Baptist Church | County of Jersey | 25 | 0 | 0 |
| Pere Marquette State Park | County of Jersey | 25 | 0 | 0 |
| Wal-mart Supercenter 0253 | County of Jersey | 25 | 0 | 0 |
| Mississippi Valley Raceway | County of Jersey | 25 | 0 | 0 |
| The Glades Mississippi Riv Are | County of Jersey | 25 | 0 | 0 |
| Stump Lake Mississippi Riv Are | County of Jersey | 25 | 0 | 0 |
| Pere Marquette State Park | County of Jersey | 25 | 0 | 0 |
| W J B M | County of Jersey | 25 | 0 | 0 |
| S O I | County of Jersey | 25 | 0 | 0 |
| St Marys Baptist Church | County of Jersey | 25 | 0 | 0 |
| Newbern Assembly Of God Church | County of Jersey | 25 | 0 | 0 |
| Fidelity Pentecostal Church | County of Jersey | 25 | 0 | 0 |
| First Baptist Church In Fieldo | County of Jersey | 25 | 0 | 0 |
| Bethel Baptist Church | County of Jersey | 25 | 0 | 0 |
| Church Of Christ | County of Jersey | 25 | 0 | 0 |
| Fidelity Twp Hall | County of Jersey | 25 | 0 | 0 |
| Lazars Grill | County of Jersey | 25 | 0 | 0 |
| Gerbig Stop & Shop | County of Jersey | 25 | 0 | 0 |
| Lamparter Otterville Grocery | County of Jersey | 25 | 0 | 0 |
| The Cabin | County of Jersey | 25 | 0 | 0 |
| Collins Salvage | County of Jersey | 25 | 0 | 0 |
| S O I | County of Jersey | 25 | 0 | 0 |
| St Marys Baptist Church | County of Jersey | 25 | 0 | 0 |
| Newbern Assembly Of God Church | County of Jersey | 25 | 0 | 0 |
| Fidelity Pentecostal Church | County of Jersey | 25 | 0 | 0 |
| First Baptist Church In Fieldo | County of Jersey | 25 | 0 | 0 |