We found 201 public water systems that could serve the same population as Harrison High School (ordered by population size).
| Name | Areas served | Population served | Contaminant count | Violation count |
|---|---|---|---|---|
| Lafayette Water Works | Lafayette | 67,140 | 23 | 9 |
| Purdue Univ. Water Works | West Lafayette | 55,000 | 36 | 26 |
| Indiana American Water - West Lafayette | West Lafayette | 30,440 | 25 | 1 |
| Battle Ground Water District | Battle Ground | 1,940 | 0 | 4 |
| Speedway #1311 | Lafayette | 1,500 | 0 | 0 |
| Mr. K. Vander Hoff | Lafayette | 1,458 | 0 | 0 |
| Dayton Water Utility | Dayton | 1,420 | 0 | 3 |
| Sagamore Boy Scout Council | Lafayette | 1,122 | 0 | 0 |
| Family Express #43 | Lafayette | 1,107 | 0 | 23 |
| Family Express #41 | Lafayette | 1,102 | 0 | 12 |
| Faith Christian School - Faith Baptist | County of Tippecanoe | 1,093 | 0 | 0 |
| Evonik Corporation | Lafayette | 1,034 | 0 | 8 |
| Exploration | Lafayette | 1,003 | 0 | 0 |
| Fairfield Mfg. Company | Angola | 1,000 | 0 | 0 |
| Burger King #7401 | Lafayette | 1,000 | 0 | 0 |
| High Point Oil Co Bulk Plant | Lafayette | 999 | 0 | 0 |
| Hill Truck Stop | Romney | 999 | 0 | 0 |
| Justrite Systems Inc | Lafayette | 999 | 0 | 0 |
| Fort Quiatenon | West Lafayette | 960 | 0 | 0 |
| Freds Mini Mart | Lafayette | 800 | 0 | 0 |
| Cheker #7288 | County of Tippecanoe | 750 | 0 | 0 |
| Cheker #7131 | County of Tippecanoe | 750 | 0 | 0 |
| Hershey Elementary School | Lafayette | 719 | 0 | 0 |
| Clarks Hill Water Works | Clarks Hill | 660 | 8 | 11 |
| East Tippecanoe Middle School | Lafayette | 622 | 0 | 0 |
| Sycamore Girl Scout Council | Lafayette | 620 | 0 | 0 |
| Mintonye Elementary School | Lafayette | 602 | 0 | 0 |
| D Morrison, Inc. Dba Morrisons | Lafayette | 600 | 0 | 5 |
| Oliverio's Restaurant | Florence | 600 | 0 | 0 |
| Southwestern Middle School | Lafayette | 567 | 0 | 0 |
| Dayton United Methodist | County of Tippecanoe | 500 | 0 | 0 |
| Shadeland Community Center | Lafayette | 400 | 0 | 0 |
| Cole Elementary School | Lafayette | 363 | 0 | 0 |
| Wildcat Highlands | Lafayette | 360 | 0 | 56 |
| Wainright Middle School | Lafayette | 340 | 0 | 0 |
| Dayton Elementary School | Florence | 340 | 0 | 0 |
| Tippecanoe Co. Amphitheater | West Lafayette | 325 | 0 | 12 |
| Green Meadows Utilities | Orland | 320 | 0 | 0 |
| Sunrise Christian Church | Lafayette | 303 | 0 | 0 |
| Korean Presbyterian Church | West Lafayette | 301 | 0 | 0 |
| Valero Quickmart | Lafayette | 300 | 0 | 0 |
| Checker Oil #4 | County of Tippecanoe | 300 | 0 | 0 |
| Tate & Lyle/sagamore | Lafayette | 300 | 0 | 0 |
| Lafayette A-ok Campground | Lafayette | 282 | 0 | 17 |
| Tate & Lyle, Lafayette South | Lafayette | 270 | 0 | 3 |
| West Lafayette Christian Church | West Lafayette | 267 | 0 | 0 |
| Rea Magnet Wire | Lafayette | 190 | 0 | 40 |
| Farmington Lake Est Subd - Under Develop | County of Tippecanoe | 185 | 0 | 0 |
| Friendly Mart Llc | Romney | 178 | 0 | 102 |
| West Point Elem. School | West Point | 168 | 0 | 0 |
| Indiana American Water - Westwood | West Lafayette | 158 | 0 | 16 |
| U.s. 52 Diner | County of Tippecanoe | 158 | 0 | 0 |
| Lighthouse Baptist Church | Lafayette | 157 | 0 | 0 |
| American Suburban Utilities, Inc. | West Lafayette | 154 | 0 | 0 |
| Bello Terra Golf Course | West Lafayette | 150 | 0 | 37 |
| Mom's Restaurant | County of Tippecanoe | 150 | 0 | 0 |
| Battlefield Auto Service | County of Tippecanoe | 150 | 0 | 0 |
| Texaco Service Station | County of Tippecanoe | 150 | 0 | 0 |
| Sycamore Valley Girl Scout Camp | Lafayette | 150 | 0 | 0 |
| Cary Scout Camp Pool | Lafayette | 150 | 0 | 0 |
| Country Charm Utility Co | Orland | 140 | 0 | 0 |
| Heartland Community Church | Lafayette | 135 | 0 | 4 |
| Legado Development Strip Mall | Lafayette | 134 | 0 | 24 |
| Big Fish N Campground, Inc. | Lafayette | 132 | 0 | 12 |
| Vans Catering Dba The Trails Banquet | West Lafayette | 125 | 0 | 3 |
| V.f.w. | County of Tippecanoe | 125 | 0 | 0 |
| Crossroads Christian Church | West Lafayette | 123 | 0 | 0 |
| Capilano Highlands Subd | County of Tippecanoe | 115 | 0 | 0 |
| Candlelight Development Corp. | West Lafayette | 111 | 0 | 0 |
| Wolf Park, Inc. | Battle Ground | 100 | 0 | 0 |
| Industrial Pallet Corp | Clarks Hill | 100 | 0 | 0 |
| Americus Restaurant & Bar | Lafayette | 100 | 0 | 0 |
| Mcgraws Steak & Chop House | West Lafayette | 100 | 0 | 0 |
| Miracle Bethel Church | Lafayette | 100 | 0 | 0 |
| West Lafayette Apostolic Christian Churc | West Lafayette | 100 | 0 | 0 |
| Modernaire Trailer Court | Lafayette | 100 | 0 | 0 |
| Parview Golf Course | West Lafayette | 100 | 0 | 0 |
| D.b.a. The Oaks | Florence | 100 | 0 | 0 |
| Lafayette Instrument Co. | County of Tippecanoe | 100 | 0 | 0 |
| Overtime Tavern South | Lafayette | 100 | 0 | 0 |
| Ft. Ouiatenon - Tipp. County Park | West Lafayette | 100 | 0 | 0 |
| Ft. Ouiatenon - Tipp. County Park | West Lafayette | 100 | 0 | 0 |
| Pleasant Grove Grange | County of Tippecanoe | 100 | 0 | 0 |
| Royal Oaks Estates | Lafayette | 95 | 0 | 0 |
| Ross Hills Park - West Well | West Lafayette | 94 | 0 | 0 |
| Kings Ridge Homeowners Association | Lafayette | 90 | 0 | 0 |
| Stidham Umc | Lafayette | 86 | 0 | 0 |
| Wolfes Leisure Time Campground, Inc. | Lafayette | 85 | 0 | 0 |
| Cary Scout Camp | Lafayette | 85 | 0 | 0 |
| Rolling Maul, Llc Dba Legacy Sports Club | Lafayette | 85 | 0 | 0 |
| Tippecanoe Villa | County of Tippecanoe | 80 | 0 | 0 |
| New Directions, Inc. | Lafayette | 80 | 0 | 0 |
| Myers Pub | Lafayette | 75 | 0 | 0 |
| Eastside Assembly Of God | Lafayette | 71 | 0 | 0 |
| Alloy Custom Products, Llc | Lafayette | 70 | 0 | 0 |
| Indianbrook Hm. Assn.-in | Orland | 70 | 0 | 0 |
| Knights Trailer Court | Orland | 70 | 0 | 0 |
| Pro Axis, Inc. | West Lafayette | 70 | 0 | 0 |
| Dayton-phoenix Group | West Lafayette | 65 | 0 | 0 |
| Lincoln Lodge Motel | Clarks Hill | 65 | 0 | 0 |
| Bennetts Greenhouse, Inc. | County of Tippecanoe | 65 | 0 | 0 |
| Rieth Riley | County of Tippecanoe | 64 | 0 | 0 |
| Roadworks Mfg., Inc. | Lafayette | 60 | 0 | 0 |
| Americus Pizza King | Lafayette | 60 | 0 | 0 |
| Tippecanoe Foods, Inc. | Florence | 60 | 0 | 0 |
| Dayton-phoenix Group-montmorenci | Montmorenci | 60 | 0 | 0 |
| Last Chance Pizza | Lafayette | 60 | 0 | 0 |
| Perry Chemical & Mfg Company, Inc. | County of Tippecanoe | 59 | 0 | 0 |
| Martell Forestry Research | West Lafayette | 51 | 0 | 0 |
| Waste Management Of Lafayette | County of Tippecanoe | 51 | 0 | 0 |
| Dollar General #12826 - Romney | Romney | 50 | 0 | 0 |
| Apostolic Tabernacle | Lafayette | 50 | 0 | 0 |
| Camp Sycamore Valley | Lafayette | 50 | 0 | 0 |
| Merou Grotto | West Lafayette | 50 | 0 | 0 |
| Ross Hills Park - East Well | West Lafayette | 50 | 0 | 0 |
| West Point United Methodist Church | West Point | 50 | 0 | 0 |
| Shadeland Mobile Home Park | Lafayette | 50 | 0 | 0 |
| Fairfield Lakes (tippecanoe Co. Parks) | County of Tippecanoe | 50 | 0 | 0 |
| Arbor Village Mobile Hom | Orland | 50 | 0 | 0 |
| High Hill Mhp | Orland | 50 | 0 | 0 |
| Spring Valley Mobile Home Park | Lafayette | 50 | 0 | 0 |
| Ross Hills Park | Florence | 50 | 0 | 0 |
| Ft. Quiatenon-tipp.cnty Park | County of Tippecanoe | 50 | 0 | 0 |
| Mennen-thieme Llc | Lafayette | 50 | 0 | 0 |
| Ross Camp | West Lafayette | 46 | 0 | 0 |
| Wabash National Co.used Trailer Facility | Lafayette | 42 | 0 | 0 |
| Romney United Methodist | Romney | 40 | 0 | 0 |
| Eastwoods Christian Church | Lafayette | 40 | 0 | 0 |
| The Dock 231 | Lafayette | 40 | 0 | 0 |
| Lafayette Country Club | Florence | 40 | 0 | 0 |
| Indiana Crop Improvement Association Inc | Lafayette | 38 | 0 | 0 |
| Purdue University Animal Research Center | West Lafayette | 38 | 0 | 0 |
| Jackson United Methodist Church | West Point | 38 | 0 | 0 |
| American Legion #492 | West Lafayette | 38 | 0 | 0 |
| Stockwell United Methodist | Stockwell | 37 | 0 | 0 |
| West Point Baptist Church | County of Tippecanoe | 37 | 0 | 0 |
| Soccer Central | County of Tippecanoe | 32 | 0 | 0 |
| Wildcat Creek Winery | County of Tippecanoe | 31 | 0 | 0 |
| The Pour House Coffee Cabin& Rustic Deli | Westpoint | 30 | 0 | 0 |
| Buck Creek Community Center | Buck Creek | 30 | 0 | 0 |
| Purdue Scholer Farm | Williamsport | 30 | 0 | 0 |
| Steve Switzer | Lafayette | 30 | 0 | 0 |
| Foxton Farm | County of Tippecanoe | 30 | 0 | 0 |
| Purdue University Agronomy Farm | West Lafayette | 30 | 0 | 0 |
| Romney Recreation Center | Florence | 30 | 0 | 0 |
| Homewood Mobile Home Park | County of Tippecanoe | 28 | 0 | 0 |
| Stockwell Market | Stockwell | 27 | 0 | 0 |
| Arrows Iii | Lafayette | 27 | 0 | 0 |
| Montmorenci Bar Inc | West Lafayette | 27 | 0 | 0 |
| Ken Do Fishing Lake | Clarks Hill | 26 | 0 | 0 |
| Wildcat Park (tippecanoe Co Parks Dept) | County of Tippecanoe | 26 | 0 | 0 |
| Eddie Joes Icehouse | West Point | 25 | 0 | 0 |
| Mid-american Trailer Repair, Inc. | Lafayette | 25 | 0 | 0 |
| Docs Pizza & Subs | Buck Creek | 25 | 0 | 0 |
| Family Sports Llc | West Lafayette | 25 | 0 | 0 |
| Berean Baptist Church | Lafayette | 25 | 0 | 0 |
| Monitor Tavern | Lafayette | 25 | 0 | 0 |
| Fairview Community Center | Lafayette | 25 | 0 | 0 |
| Lafayette A-ok Campground | Lafayette | 25 | 0 | 0 |
| Indian Head Lake Camp | Roann | 25 | 0 | 0 |
| Purdue Weigle Farm | Williamsport | 25 | 0 | 0 |
| Purdue Scholer Farm | Williamsport | 25 | 0 | 0 |
| Days Inn - West Lafayette | County of Tippecanoe | 25 | 0 | 0 |
| Aretz Airport | Florence | 25 | 0 | 0 |
| River Junction Camp | Florence | 25 | 0 | 0 |
| Dayton Memorial Presbyterian | County of Tippecanoe | 25 | 0 | 0 |
| Purdue University | County of Tippecanoe | 25 | 0 | 0 |
| Baumgartner Trucking | County of Tippecanoe | 25 | 0 | 0 |
| Homewood Water Supply | County of Tippecanoe | 25 | 0 | 0 |
| Geo Science #2. Creative Arts | County of Tippecanoe | 25 | 0 | 0 |
| Eli Lilly & Company | County of Tippecanoe | 25 | 0 | 0 |
| Eli Lilly & Company | County of Tippecanoe | 25 | 0 | 0 |
| Eli Lilly & Company | County of Tippecanoe | 25 | 0 | 0 |
| Eli Lilly & Company | County of Tippecanoe | 25 | 0 | 0 |
| Eli Lilly & Company | County of Tippecanoe | 25 | 0 | 0 |
| Eli Lilly & Company | County of Tippecanoe | 25 | 0 | 0 |
| Eli Lilly & Company | County of Tippecanoe | 25 | 0 | 0 |
| Eli Lilly & Company | Florence | 25 | 0 | 0 |
| Checker Oil | Florence | 25 | 0 | 0 |
| Romney Presbyterian Church | Florence | 25 | 0 | 0 |
| Elston Presbyterian | Florence | 25 | 0 | 0 |
| Joe's Auto Repair | County of Tippecanoe | 25 | 0 | 0 |
| Dayton Pizza King | County of Tippecanoe | 25 | 0 | 0 |
| Beutler Meat Proc. Inc. | County of Tippecanoe | 25 | 0 | 0 |
| Highlite, Inc. | County of Tippecanoe | 25 | 0 | 0 |
| The Bluffs | County of Tippecanoe | 25 | 0 | 0 |
| Interntl. Fitness & Aerobics | County of Tippecanoe | 25 | 0 | 0 |
| Purdue University (life Science Annex) | County of Tippecanoe | 25 | 0 | 0 |
| Vet. Science Medical Research Farm-p.u. | County of Tippecanoe | 25 | 0 | 0 |
| Eli Lilly & Company | County of Tippecanoe | 25 | 0 | 0 |
| Lafayette Kampground, Inc. | County of Tippecanoe | 25 | 0 | 0 |
| Bennet's Greenhouse, Inc. | County of Tippecanoe | 25 | 0 | 0 |
| Dairy Center-purdue U. | County of Tippecanoe | 25 | 0 | 0 |
| Dairy Center-purdue U. | County of Tippecanoe | 25 | 0 | 0 |
| Bennett's Greenhouse, Inc. | County of Tippecanoe | 25 | 0 | 0 |
| Flos Roadside Diner | Clarks Hill | 25 | 0 | 0 |
| Romney Coffee Shop | County of Tippecanoe | 25 | 0 | 0 |
| Jackson Community Center | County of Tippecanoe | 25 | 0 | 0 |
| Marlen Park | Lafayette | 25 | 0 | 0 |
| Tippecanoe Sheet Metal | County of Tippecanoe | 25 | 0 | 0 |
| Mobil Super Pantry | County of Tippecanoe | 25 | 0 | 0 |