| ELKHART PUBLIC WORKS AND UTILITIES | 46,455 | 200 | Detected |
| GOSHEN WATER UTILITY | 32,267 | 50 | Detected |
| NAPPANEE WATER UTILITY | 6,800 | 13 | Clean |
| MIDDLEBURY WATER DEPARTMENT | 3,420 | 17 | Clean |
| NAPPANEE MISSIONARY CHURCH | 2,545 | 71 | — |
| WAKARUSA WATER WORKS | 1,998 | 52 | — |
| BRISTOL WATER DEPARTMENT | 1,805 | 175 | — |
| TIMBERBROOK MOBILE HOME PARK | 1,418 | 129 | — |
| JIMTOWN JR. HIGH SCHOOL & ELEMENTARY | 1,400 | 271 | — |
| SUGAR GROVE CHURCH, INC. | 1,306 | 27 | — |
| FAIRFIELD JR./SR. HIGH SCHOOL | 1,160 | 30 | — |
| AMERICAN PETROLEUM INC DBA GALLOPS | 1,145 | 12 | — |
| COBUS GREEN MOBILE HOME PARK | 1,042 | 72 | — |
| SPEEDWAY #6662 | 1,011 | 53 | — |
| UMH IN BROADMORE, LLC AKA BROADMORE ESTA | 972 | 434 | — |
| MILLERSBURG WATER COMPANY | 957 | 45 | — |
| SILOAM MENNONITE FELLOWSHIP | 800 | 10 | — |
| FAITH UMC/KINGDOM KIDS DAYCARE | 788 | 1,065 | — |
| RIVER OAKS COMMUNITY CHURCH | 775 | 43 | — |
| BRENNEMAN MEMORIAL CHURCH | 580 | 68 | — |
| JIMTOWN HIGH SCHOOL | 566 | 130 | — |
| WAYPOINT COMMUNITY CHURCH & DAYCARE | 551 | 0 | — |
| TRINITY LUTHERAN SCHOOL | 550 | 7 | — |
| NEW PARIS ELEMENTARY SCHOOL (NEW BLDG) | 538 | 17 | — |
| BENTON ELEMENTARY SCHOOL | 530 | 65 | — |
| GRAND DESIGN RV - BUILDINGS 3, 6, & 7 | 525 | 26 | — |
| SMART CABINETRY | 515 | 4 | — |
| FAIRFIELD TRANSPORTATION BUILDING | 506 | 3 | — |
| BEULAH MISSIONARY CHURCH | 500 | 3 | — |
| JEFFERSON ELEMENTARY SCHOOL | 496 | 169 | — |
| LIPPERT COMPONENTS, INC. PLANT #28 | 450 | 13 | — |
| ELCONA COUNTRY CLUB (CLUBHOUSE) | 400 | 24 | — |
| ELCONA COUNTRY CLUB-HALFWAY SNACK | 400 | 28 | — |
| GRAND DESIGN RV - BUILDING 8 | 390 | 24 | — |
| YELLOW CREEK MENNONITE CHURCH | 381 | 274 | — |
| CONCORD EVENT CENTER | 357 | 167 | — |
| SWIFT PREPARED FOODS | 350 | 22 | — |
| YELLOW CREEK WISLER MENNONITE CHURCH | 350 | 12 | — |
| WATERFORD MENNONITE CHURCH | 335 | 75 | — |
| PINE HILL MANUFACTURED HOME COMMUNITY | 332 | 148 | — |
| CHURCH OF GOD | 304 | 68 | — |
| JIMTOWN BASEBALL AND SOFTBALL COMPLEX | 300 | 261 | — |
| CROSSROADS COMMUNITY CHURCH/DAYCARE | 298 | 74 | — |
| YORK ELEMENTARY SCHOOL | 285 | 46 | — |
| BOM PETROLEUM, INC. | 264 | 149 | — |
| COMMUNITY CHURCH OF WATERFORD | 255 | 4 | — |
| JEFFERSON BRETHREN CHURCH | 250 | 9 | — |
| ARK ACTIVITY CENTER | 250 | 8 | — |
| CULVER DUCK FARMS, INC. | 241 | 437 | — |
| BRISTOL MOBILE VILLAGE | 238 | 328 | — |