We found 56 public water systems that could serve the same population as West Union Public Water System (ordered by population size).
| Name | Areas served | Population served | Contaminant count | Violation count |
|---|---|---|---|---|
| Adams County Regional Wd Pws | County of Adams | 21,240 | 11 | 4 |
| Manchester Village | County of Adams | 2,043 | 0 | 6 |
| Peebles Public Water System | County of Adams | 1,978 | 0 | 1 |
| Winchester Public Water System | County of Adams | 1,052 | 0 | 0 |
| Seaman Village Pws | County of Adams | 944 | 0 | 5 |
| Dayton Power And Light/jm Stuart Pws | County of Adams | 350 | 0 | 5 |
| Jefferson Township School | Jefferson Twp | 340 | 0 | 0 |
| Mgr,blue Grass Retreat | County of Adams | 300 | 0 | 0 |
| Mgr,mineral Spngs Lake Resort | County of Adams | 280 | 0 | 0 |
| General Elect Co,pebles Tst Cn | County of Adams | 210 | 0 | 0 |
| Woodland Altars | Peebles | 200 | 0 | 0 |
| Union Hill Church | Peebles | 150 | 0 | 0 |
| Dayton Power And Light/killen Station | County of Adams | 135 | 0 | 0 |
| Green Township School | County of Adams | 115 | 0 | 0 |
| Oh Hist Soc, Srpnt Mound, E | County of Adams | 100 | 0 | 0 |
| Ohs-srpnt Mound | County of Adams | 100 | 0 | 0 |
| Mgr, R & S Catering | County of Adams | 100 | 0 | 0 |
| Mineral Springs Lake Resort | County of Adams | 100 | 0 | 0 |
| Moyer Vineyards Inc | Manchester | 80 | 0 | 0 |
| Eckmansville C H Church | County of Adams | 75 | 0 | 0 |
| Mgr, Sue's Place | County of Adams | 75 | 0 | 0 |
| Odot-rest Area 9-16 | County of Adams | 75 | 0 | 0 |
| Cedar Mills Elementary School | County of Adams | 55 | 0 | 0 |
| Pres, Stonewall Grange #2639 | County of Adams | 50 | 0 | 0 |
| Mgr,plum Run Stone Division 2 | County of Adams | 50 | 0 | 0 |
| Plum Run Stone Division Pws | Peebles | 50 | 0 | 0 |
| Mgr-twin Island Mobile Home Pk | County of Adams | 50 | 0 | 0 |
| Riverview Country Inn | County of Adams | 40 | 0 | 0 |
| Mgr, Contry Kitchen Restaurant | County of Adams | 40 | 0 | 0 |
| Mgr,bentleys Restaurant | County of Adams | 40 | 0 | 0 |
| Mgr, Cedar Mills Ranch | County of Adams | 40 | 0 | 0 |
| Mgr,hillcrest Nursing Home | County of Adams | 33 | 0 | 0 |
| Mgr, Knauff Grocery | Jefferson Twp | 30 | 0 | 0 |
| Cedar Trails | County of Adams | 30 | 0 | 0 |
| Mgr, Hayslip's Grocery | County of Adams | 30 | 0 | 0 |
| Mgr,bob Johnson Trailer Park | County of Adams | 30 | 0 | 0 |
| Hickory Valley Llc | County of Adams | 30 | 0 | 0 |
| Mgr, Woodland Altars-system #2 | County of Adams | 30 | 0 | 0 |
| Manager,camp Tarhe | County of Adams | 25 | 0 | 0 |
| Manager,daves' Texaco | County of Adams | 25 | 0 | 0 |
| Hamilton Community Churc | West Union | 25 | 0 | 0 |
| Mgr,evan's Grocery | County of Adams | 25 | 0 | 0 |
| Manager,panhandle Grocery | County of Adams | 25 | 0 | 0 |
| Manager,twin Island Campsites | County of Adams | 25 | 0 | 0 |
| Mgr, Groom's General Store | County of Adams | 25 | 0 | 0 |
| Post Master, Blue Creek Po | Jefferson Twp | 25 | 0 | 0 |
| Mgr,pool's Rome General Store | County of Adams | 25 | 0 | 0 |
| Mgr, Crownover Lumber Company | County of Adams | 25 | 0 | 0 |
| Mgr, Country Peddler Store | County of Adams | 25 | 0 | 0 |
| Odot-rest Area 9-15 Pws | Chillicothe | 25 | 0 | 0 |
| Brown's Grocery | County of Adams | 25 | 0 | 0 |
| Mgr, 41 Auto Parts | County of Adams | 25 | 0 | 0 |
| Mgr,times Farm Camp | County of Adams | 25 | 0 | 0 |
| Mgr, Taylor's Grocery | Jefferson Twp | 25 | 0 | 0 |
| Mgr, Star Mart | County of Adams | 25 | 0 | 0 |
| Mgr, Ridgeway Inn | Jefferson Twp | 20 | 0 | 0 |