We found 52 public water systems that could serve the same population as Clarence Water Supply (ordered by population size).
| Name | Areas served | Population served | Contaminant count | Violation count |
|---|---|---|---|---|
| Tipton Water Supply | Tipton | 3,221 | 0 | 1 |
| West Branch Water Works | West Branch | 2,322 | 0 | 9 |
| Durant Water Supply | Durant | 1,832 | 8 | 4 |
| Mechanicsville Water Dept | Mechanicsville | 1,146 | 0 | 3 |
| Lowden Water Supply | Lowden | 789 | 0 | 2 |
| Stanwood Water Supply | Stanwood | 684 | 0 | 3 |
| Kum & Go Store #267 | Tipton | 604 | 0 | 19 |
| Bennett Waterworks | Bennett | 405 | 0 | 1 |
| Jmd Oil Inc | West Liberty | 395 | 0 | 72 |
| Cove Restaurant | Moscow | 360 | 0 | 0 |
| Hwh Corporation | Moscow | 250 | 0 | 14 |
| Arrow Cafe (family Table Restaurant) | Lowden | 210 | 0 | 0 |
| Kochs Meadow Lake Campgrounds | Tipton | 200 | 0 | 0 |
| Stuckeys Campark | County of Cedar | 183 | 0 | 0 |
| Green View Golf & Country Club | County of Cedar | 160 | 0 | 0 |
| Springdale School | County of Cedar | 145 | 0 | 0 |
| Pioneer Hi-bred Durant Plant | Durant | 134 | 0 | 9 |
| Hidden River Campgrounds | Tipton | 101 | 0 | 0 |
| Scattergood Friends School | West Branch | 100 | 0 | 0 |
| Stuckey's Campgrnd & Serv. Sta | County of Cedar | 100 | 0 | 0 |
| Pilot Travel Center #496 | Tipton | 87 | 0 | 0 |
| West Branch Mhp | County of Cedar | 70 | 0 | 0 |
| Tide Water Publishing | County of Cedar | 65 | 0 | 0 |
| YANKEE GROVE HOA | Lisbon | 64 | 0 | 0 |
| Wahkonsa Country Club | Durant | 60 | 0 | 0 |
| Celebrate On 38 | Wilton | 53 | 0 | 0 |
| Hwh Corporation (west) | Tipton | 50 | 0 | 0 |
| Elegant Inn (west Liberty) | West Liberty | 50 | 0 | 0 |
| Rochester Area | County of Cedar | 50 | 0 | 0 |
| Cedar River Sportspark | County of Cedar | 50 | 0 | 0 |
| Scattergood Friends Sch-dorm | West Branch | 48 | 0 | 0 |
| Cedar Lake Mobile Home Park | County of Cedar | 47 | 0 | 0 |
| Little Bear Campground | West Liberty | 45 | 0 | 0 |
| Hunts Cedar River Campground | Tipton | 42 | 0 | 0 |
| Cedar Lakes Inc | Tipton | 41 | 0 | 0 |
| Cedar Lake Camp Ground | County of Cedar | 40 | 0 | 0 |
| Coach Road Well Association | Lisbon | 40 | 0 | 0 |
| Presidential Motor Inn | County of Cedar | 39 | 0 | 0 |
| New Horizon Residential | Tipton | 30 | 0 | 0 |
| George's Place | County of Cedar | 30 | 0 | 0 |
| YANKEE GROVE PART 3 | Lisbon | 30 | 0 | 0 |
| Massillon Area | County of Cedar | 30 | 0 | 0 |
| Grannys Inn | County of Cedar | 30 | 0 | 0 |
| Kocks Lake | County of Cedar | 30 | 0 | 0 |
| Freddies | West Branch | 27 | 0 | 0 |
| Tipton Hills | County of Cedar | 26 | 0 | 0 |
| Red Oak Park | County of Cedar | 25 | 0 | 0 |
| Pioneer Hybred Downey Plant | County of Cedar | 25 | 0 | 0 |
| Bennett Pk-cedar Conservation | County of Cedar | 25 | 0 | 0 |
| Wild Country, Inc. | County of Cedar | 25 | 0 | 0 |
| Golfview Estates Subdivision | Durant | 25 | 0 | 0 |
| Cedar Valley Gr Belt | County of Cedar | 25 | 0 | 0 |