We found 115 public water systems in Jefferson county (ordered by population size).
| Name | Areas served | Population served | Contaminant count | Violation count |
|---|---|---|---|---|
| Steubenville, City Of | Steubenville | 18,000 | 20 | 46 |
| Jefferson Co W And S District - M | Steubenville | 13,983 | 32 | 10 |
| Jefferson Co,sd 1,empire | County of Jefferson | 5,800 | 0 | 0 |
| Toronto Pws | County of Jefferson | 5,091 | 0 | 14 |
| Jefferson Co W And S District- A | County of Jefferson | 4,018 | 0 | 3 |
| Wintersville Village Pws | County of Jefferson | 3,924 | 0 | 2 |
| Mingo Junction Pws | County of Jefferson | 3,472 | 0 | 41 |
| Brilliant Water And Sewer | County of Jefferson | 2,100 | 0 | 36 |
| Mgr,aquanaut Music Park | County of Jefferson | 1,500 | 0 | 0 |
| Tiltonsville Pws | County of Jefferson | 1,372 | 0 | 13 |
| YORKVILLE VILLAGE PWS | County of Jefferson | 1,057 | 0 | 27 |
| Jefferson Co.san.dist.-g Pws | Wintersville | 990 | 0 | 0 |
| Smithfield Pws | County of Jefferson | 950 | 0 | 0 |
| Amsterdam, Village Of | Amsterdam | 900 | 0 | 0 |
| Jefferson Co W&s District- J | County of Jefferson | 896 | 0 | 3 |
| Adena Village Pws | County of Jefferson | 820 | 0 | 7 |
| Bergholz Village Pws | County of Jefferson | 769 | 0 | 0 |
| Dillonvale | County of Jefferson | 665 | 0 | 9 |
| Prin,jefferson Union High Sch | County of Jefferson | 638 | 0 | 0 |
| Irondale Water Department | Irondale | 500 | 0 | 0 |
| Supt.,irondale Water Dept. | Irondale | 500 | 0 | 0 |
| Timet | County of Jefferson | 500 | 0 | 0 |
| Warren Water Authority | County of Jefferson | 484 | 0 | 6 |
| Mount Pleasant Pws | County of Jefferson | 480 | 0 | 84 |
| Richmond Village Pws | County of Jefferson | 464 | 0 | 42 |
| Apostolate - St. James Field Pws | Bloomingdale | 432 | 0 | 0 |
| Rayland Village Pws | County of Jefferson | 417 | 0 | 18 |
| Prin,wayne Elementary School | County of Jefferson | 380 | 0 | 0 |
| Jefferson Co W&s District- Piney | County of Jefferson | 361 | 0 | 0 |
| Jefferson Co W&s District- O | County of Jefferson | 340 | 0 | 2 |
| Stratton Pws | County of Jefferson | 320 | 0 | 21 |
| Mgr,hollow Rock Camp Assoc. | County of Jefferson | 250 | 0 | 0 |
| Mgr,satralloy,inc. | County of Jefferson | 248 | 0 | 0 |
| Firstenergy Corp - Sammis North | County of Jefferson | 220 | 0 | 0 |
| Firstenergy Corp - Sammis South | County of Jefferson | 220 | 0 | 0 |
| Apostolate Holy Family Park | County of Jefferson | 200 | 0 | 1 |
| Odot-rest Area 11-2 Pws | County of Jefferson | 200 | 0 | 9 |
| Austin Lake | County of Jefferson | 200 | 0 | 4 |
| Mgr,dairy Kay | County of Jefferson | 200 | 0 | 0 |
| Prin,east Springfield Elem.sch | County of Jefferson | 176 | 0 | 0 |
| Mgr,lake Lodge Mobile Home Pk | County of Jefferson | 174 | 0 | 0 |
| Cardinal Operating Company 1/ 2 Pws | County of Jefferson | 168 | 0 | 8 |
| Kolmont Community Church | County of Jefferson | 150 | 0 | 5 |
| Nite Harbour Lounge | Stratton | 150 | 0 | 0 |
| Mgr,austin Lakes,inc.well 2 | County of Jefferson | 150 | 0 | 0 |
| Mgr,frosty Too | County of Jefferson | 150 | 0 | 0 |
| Odnr-jefferson Lake St Pk-nature Center | County of Jefferson | 150 | 0 | 0 |
| Lake Lodge Mobile Home Village Pws | County of Jefferson | 134 | 0 | 0 |
| Ohio Edison Toronto | County of Jefferson | 125 | 0 | 0 |
| Cardinal Operating Co. 3 | County of Jefferson | 110 | 0 | 0 |
| Mgr,toronto Band Camp | County of Jefferson | 110 | 0 | 0 |
| Blackmoor Golf Club | County of Jefferson | 100 | 0 | 0 |
| Jefferson Co Sportsman Club 3 Pws | County of Jefferson | 100 | 0 | 0 |
| Jefferson Co Sportsman Club 2 Pws | County of Jefferson | 100 | 0 | 0 |
| Red Oaks Golf Course, Inc. | County of Jefferson | 100 | 0 | 0 |
| Mgr,blue Moon Restaurant | County of Jefferson | 100 | 0 | 0 |
| Mgr,dons Place | County of Jefferson | 100 | 0 | 0 |
| Meadowbrook Church Of God | County of Jefferson | 100 | 0 | 0 |
| Mgr,millers Restaurant | County of Jefferson | 100 | 0 | 0 |
| Mgr,pike Inn | County of Jefferson | 100 | 0 | 0 |
| Mgr,spring Hills Golf Course | County of Jefferson | 100 | 0 | 0 |
| Odnr Jef Lk St Pk Picnic | County of Jefferson | 100 | 0 | 0 |
| Fernwood State Forest | County of Jefferson | 100 | 0 | 0 |
| Ohio Power Corp | Brilliant | 100 | 0 | 0 |
| Mgr,golden Nugget Restaurant | County of Jefferson | 99 | 0 | 0 |
| Mgr,reynolds Nursing Home | Smithfield | 87 | 0 | 0 |
| Sunset Health Care, Inc. | Adena | 83 | 0 | 0 |
| Mgr,jvs Restaurant | Springfield Twp | 80 | 0 | 0 |
| White Bear Inn | Bloomingdale | 75 | 0 | 0 |
| Marios Bar And Grill | Adena | 75 | 0 | 0 |
| Bec-wood Golf Course | County of Jefferson | 70 | 0 | 0 |
| Odnr-jefferson Lake St Pk-sc | County of Jefferson | 60 | 0 | 0 |
| Mgr,b & B Holler Inn | County of Jefferson | 60 | 0 | 0 |
| Mgr,joes Place | County of Jefferson | 60 | 0 | 0 |
| Mgr Knights Of Columbus Camp | County of Jefferson | 60 | 0 | 0 |
| Bee Cee Mobile Home Park | County of Jefferson | 51 | 0 | 0 |
| Christian Church Of Unionport | County of Jefferson | 50 | 0 | 0 |
| Garson Bowling Lanes | County of Jefferson | 50 | 0 | 0 |
| Paradise Hills Golf | County of Jefferson | 50 | 0 | 0 |
| County Line Restaurant/l | Amsterdam | 50 | 0 | 0 |
| Mgr,bec-wood Golf Course-gc | County of Jefferson | 50 | 0 | 0 |
| Austin Lake Well 2 Tilton Hilt | County of Jefferson | 50 | 0 | 0 |
| Austin Lake Well3 Glenns House | County of Jefferson | 50 | 0 | 0 |
| Friendly Tavern | Bergholz | 50 | 0 | 0 |
| Roosevelt Inn | Piney Fork | 50 | 0 | 0 |
| Mgr,the Pines | County of Jefferson | 50 | 0 | 0 |
| Mgr Mar-ta-lee Drive-in | County of Jefferson | 50 | 0 | 0 |
| Tee Bones Restaurant | Bloomingdale | 50 | 0 | 0 |
| The Pines Restaurant | County of Jefferson | 50 | 0 | 0 |
| Bill Denoon Lumber Co Mill | County of Jefferson | 45 | 0 | 0 |
| Apostolate Sacred Heart Center | County of Jefferson | 45 | 0 | 0 |
| Barium And Chemicals Inc | Steubenville | 42 | 0 | 0 |
| Apostolate For Family Consecration | County of Jefferson | 40 | 0 | 0 |
| Mgr,town Tavern | County of Jefferson | 40 | 0 | 0 |
| Mgr,lake Lodge Nite | County of Jefferson | 40 | 0 | 0 |
| Mgr,casaveltri Inn | County of Jefferson | 40 | 0 | 0 |
| Mgr,roman Lees Restaurant | County of Jefferson | 40 | 0 | 0 |
| Seven Creeks Springs Pws | County of Jefferson | 30 | 0 | 0 |
| Mgr,hop Inn | County of Jefferson | 30 | 0 | 0 |
| Diamond Inn | Hopedale | 30 | 0 | 0 |
| Elliss Tavern | County of Jefferson | 30 | 0 | 0 |
| Mgr,odnr-fernwood St Forest-sc | County of Jefferson | 30 | 0 | 0 |
| Jefferson Co Sportsman Club 1 Pws | Bloomingdale | 30 | 0 | 0 |
| Harmony Industries,inc | Mingo Junction | 28 | 0 | 0 |
| Prin,jefferson Co Christ Sch | County of Jefferson | 27 | 0 | 0 |
| Dollar General Store Amsterdam-tp | County of Jefferson | 26 | 0 | 0 |
| Unionport U. Meth. Ch. | Unionport | 26 | 0 | 0 |
| Apostolate Redeemer Hall | County of Jefferson | 25 | 0 | 0 |
| Diamond Dinor | County of Jefferson | 25 | 0 | 0 |
| Roadside Inn | County of Jefferson | 25 | 0 | 0 |
| Odnr-jefferson Lake St Pk-picnic 3 | County of Jefferson | 25 | 0 | 0 |
| Bec-wood Golf Course | County of Jefferson | 25 | 0 | 0 |
| Kieffer's Mobile Home Park | County of Jefferson | 23 | 0 | 0 |
| Mgr,kachur Mobile Home Park | County of Jefferson | 21 | 0 | 0 |
| Mgr-sunset Mobile Home Park | County of Jefferson | 16 | 0 | 0 |