| Milton Water Works | Milton, IN | 650 | 49 | - |
| Aqua Indiana - Wedgewood Park Water Util | Indianapolis, IN | 645 | 130 | - |
| Clinton Central Elementary School | Michigantown, IN | 643 | 14 | - |
| Northwestern Elementary School | Kokomo, IN | 634 | 21 | - |
| Trail Tree/Midcontinent Inn Inc. | Winamac, IN | 632 | 144 | Clean |
| Madison-Grant High School | Fairmount, IN | 630 | 131 | - |
| St. Malachy Catholic Parish - Church | Brownsburg, IN | 630 | 10 | - |
| Center Point Water Works | Centerpoint, IN | 625 | 127 | - |
| McClure Oil Corporation-Store #9 | Marion, IN | 620 | 18 | - |
| Elnora Water Works | Elnora, IN | 620 | 113 | - |
| Medaryville Water Company | Medaryville, IN | 614 | 82 | - |
| Northpoint Elementary School | Mishawaka, IN | 612 | 5 | - |
| Hershey Elementary School | Lafayette, IN | 612 | 7 | - |
| Tippecanoe Valley High School | Akron, IN | 611 | 104 | - |
| Camden Water Utility | Camden, IN | 611 | 3 | - |
| Northeastern Wayne School/Concession | Fountain City, IN | 610 | 7 | - |
| Indiana American Water - Rivers Edge | Greenwood, IN | 610 | 0 | - |
| Heartland Christian Center | Valparaiso, IN | 608 | 55 | - |
| Ouabache State Park Main Supply | Bluffton, IN | 608 | 47 | - |
| Luke Oil #293 | Hobart, IN | 606 | 168 | - |
| Indiana American Water - Waveland | Greenwood, IN | 605 | 939 | - |
| Circle K #2372 - North Webster | Columbus, IN | 602 | 153 | - |
| Camp Lakewood United Methodist-Pumphouse | Wolcottville, IN | 602 | 105 | - |
| Madhar Petroleum | Indianapolis, IN | 602 | 161 | - |
| St. Michaels Church | Waterloo, IN | 601 | 10 | - |
| Maxwell Middle School | Greenfield, IN | 600 | 99 | - |
| Hazelwood Christian Church | Clayton, IN | 600 | 71 | - |
| North Miami Elementary School | Denver, IN | 600 | 317 | - |
| Boone Grove High School | Valparaiso, IN | 600 | 72 | - |
| Steuben County Park - Campground | Angola, IN | 600 | 27 | - |
| Amerimart | Lafayette, IN | 600 | 15 | - |
| Ouabache State Park Youth Tent | Bluffton, IN | 600 | 55 | - |
| Camp Whitley, Inc. | Columbia City, IN | 600 | 132 | - |
| Mecks Whispering Pines II LLC | West Covina, IN | 598 | 61 | - |
| Pleasant View Bible Church/DC | Warsaw, IN | 597 | 22 | - |
| Turkey Creek Regional Sewer District | Cromwell, IN | 593 | 90 | - |
| East Tippecanoe Middle School | Lafayette, IN | 589 | 9 | Clean |
| Wawasee Middle School | Syracuse, IN | 588 | 17 | - |
| Brenneman Memorial Church | Goshen, IN | 580 | 68 | - |
| Carroll JR./SR. High School | Flora, IN | 579 | 61 | - |
| Loves Travel Plaza - Knightstown (#601) | Wanatah, IN | 575 | 0 | - |
| Oregon-Davis Elementary & High School | Hamlet, IN | 575 | 137 | - |
| North Liberty Church of Christ | North Liberty, IN | 574 | 150 | - |
| Rolling Prairie Elementary | New Carlisle, IN | 570 | 115 | - |
| Pilot #029 | Knoxville, IN | 570 | 86 | - |
| Elanco Clinton Labs | Clinton, IN | 570 | 7 | - |
| Whitko Career Academy | Larwill, IN | 570 | 39 | - |
| Jimtown High School | Elkhart, IN | 566 | 130 | - |
| Northern Heights Elementary School | Columbia City, IN | 566 | 544 | - |
| Bloomingdale Water Works | Bloomingdale, IN | 562 | 680 | - |