We found 21 public water systems that could serve the same population as Manistee County Fairgrounds (ordered by population size).
| Name | Areas served | Population served | Contaminant count | Violation count |
|---|---|---|---|---|
| Onekama School Athletic Field | Onekama | 600 | 0 | 0 |
| Onekama High School | Onekama | 600 | 0 | 85 |
| Portage Point Inn | Onekama | 125 | 0 | 3 |
| Little Eden Camp | Onekama | 100 | 0 | 0 |
| Glenwood Lodge | Onekama | 100 | 0 | 0 |
| Trinity Lutheran Church - Onekama | Onekama | 80 | 0 | 0 |
| B & C Ventures, Inc | Onekama | 50 | 0 | 0 |
| Shay's Chop House | Onekama | 45 | 0 | 0 |
| Budget Host Motor Lodge | Onekama | 45 | 0 | 0 |
| Pirates Cove Condominiums | Onekama | 38 | 0 | 0 |
| M-22 Grill | Onekama | 30 | 0 | 0 |
| Portage Lake Covenant Bible | Onekama | 25 | 0 | 0 |
| Blue Slipper Tavern | Onekama | 25 | 0 | 0 |
| Shirley's Place | Onekama | 25 | 0 | 0 |
| 1 Kama Momma's | Onekama | 25 | 0 | 0 |
| Heathlands Golf Course | Onekama | 25 | 0 | 0 |
| YELLOW DOG CAFE | Onekama | 25 | 0 | 0 |
| First Congregational Church Of Christ | Onekama | 25 | 0 | 0 |
| Townhall Ez Mart | Onekama | 25 | 0 | 0 |
| Blarney Castle Oil Co | Onekama | 25 | 0 | 0 |
| Papa J's Ice Cream & Eatery | Onekama | 25 | 0 | 0 |