| LABORATORY NAME | STREET ADDRESS | CITY | PHONE | LAB # |
| Anderson Water Pollution Control | 2801 Gene Gustin Way | Anderson | (765) 648-6558 | M-48-01 |
| Astbury Water Technology, Inc.-NERO | 601W 400N | Angola | (260) 668-8900 | M-76-08 |
| Sandhill Environmental Services, LLC | 1975 West 100 North, Suite C | Angola | (260) 624-2401 | M-76-09 |
| Dillman Road Quality Control Laboratory | 100 West Dillman Road | Bloomington | (812) 824-4900 | M-53-01 |
| Bluffton Filtration Plant Laboratory | 900 Compromise Lane | Bluffton | (260) 824-6064 | M-90-01 |
| Delta Water Management Group, Inc. | 4958 N CR 900 E, Suite B | Brownsburg | (317) 852-8966 | M-32-01 |
| Environmental Laboratories, Inc. - Carmel | 4915 East 106th Street | Carmel | (888) 932-6699 | M-29-01 |
| Ashbury Water Technology, Inc. | 2500 Lincoln Drive Suite A | Clarksville | (812) 282-8481 | M-10-01 |
| Columbus City Utilities, Environmental Laboratory | 1111 McClure Road | Columbus | (812) 376-2400 | M-03-01 |
| Element Materials Technology Columbus | 629 Washington Street Ste 300 | Columbus | (812) 375-0531 | M-03-02 |
| Indiana American Water - Crawfordsville | 809 N. Banjo Drive | Crawfordsville | (765) 362-0059 | M-54-02 |
| Montgomery County Health Dept Microbiology Laboratory | 110 West South Blvd | Crawfordsville | (765) 364-6440 | M-54-01 |
| Crown Point Public Water Supply | 1321 Merrillville Road | Crown Point | (219) 662-3255 | M-45-01 |
| DonLevy Laboratories | 11165 Delaware Pkwy | Crown Point | (219) 226-0001 | M-45-10 |
| Element Materials Technology Daleville | 9301 Innovation Blvd Ste 125 | Daleville | (765) 378-4103 | M-18-05 |
| East Chicago Water Department | 3455 Pennsylvania Ave. | East Chicago | (219) 391-8487 | M-45-02 |
| Elkhart Public Works and Utilities Laboratory | 1201 South Nappanee St | Elkhart | (574) 293-2572 | M-20-01 |
| Environmental Laboratories, Inc - Evansville | 815 John Street, Suite 110 | Evansville | (888) 932-6699 | M-82-03 |
| Evansville Waterworks Filtration Plant Laboratory | 1301 Waterworks Road | Evansville | (812) 428-0568 | M-82-01 |
| Vanderburgh CHD | 420 Mulberry St | Evansville | (812) 435-5568 | M-82-02 |
| Environmental Certification Labs, Inc. | 11422 U.S. Highway 41N | Farmersburg | (812) 696-5076 | M-77-01 |
| Aqua Indiana, Inc. | 6811 Engle Rd | Ft Wayne | (260) 436-0343 | M-02-04 |
| Element Materials Technology Fort Wayne | 2121 East Washington Blvd. | Ft. Wayne | (260) 471-7000 | M-02-05 |
| Three Rivers Filtration Plant | 1100 Griswold Drive | Ft. Wayne | (260) 427-6054 | M-02-01 |
| Indiana American Water- Northwest Operations | 650 Madison Street | Gary | (219) 880-2339 | M-45-03 |
| Dairy Farmers of America | 1110 South Ninth Street | Goshen | (574) 533-3141 | M-20-04 |
| Scientific Methods Inc | 12441 Beckley Street | Granger | (574) 277-4078 | M-71-01 |
| Hancock Water Laboratory | 801 North State Street | Greenfield | (317) 468-4424 | M-30-01 |
| Indiana-American Water - Greenwood Laboratory | 2501 Endress Place | Greenwood | (317) 881-0270 | M-41-01 |
| Hammond Water Filtration Plant | 925 Casino Center Drive | Hammond | (219) 853-6439 | M-45-04 |
| Citizens Water | 950 West 16th St | Indianapolis | (317) 941-7126 | M-49-01 |
| EMSL Analytical, Inc. | 2001 E 52nd St | Indianapolis | (317) 803-2997 | M-49-06 |
| Marion CHD, Laboratory | 3838 North Rural Street | Indianapolis | (317) 221-4670 | M-49-02 |
| Micro Air, Inc. | 6320 La Pas Trail | Indianapolis | (317) 293-1533 | M-49-05 |
| ESG Laboratories | 5940 W. Raymond Street | Indianapolis | (317) 290-1471 | M-49-07 |
| Jasper Municipal Utilities | 825 E Second Avenue | Jasper | (812) 482-2010 | M-19-01 |
| Indiana American Water-Jeffersonville District | 2423 Middle Road | Jeffersonville | (812) 218-1509 | M-10-02 |
| Criterion Water Labs, LLC | 329 Firmin St. | Kokomo | (765) 883-7681 | M-34-03 |
| Indiana American Water-Kokomo District | 1700 E. Superior Street | Kokomo | (765) 457-5563 | M-34-01 |
| Howard County Stormwater District | 232 N Main Street, Suite 332 | Kokomo | (765) 456-2217 | M-34-02 |
| Environmental Laboratories, Inc. - Lafayette | 1020 Canal Road | Lafayette | (888) 932-6699 | M-79-02 |
| LaPorte CHD Water Laboratory | 809 State Street Suite, 401A | LaPorte | (219) 326-6808 | M-46-03 |
| LaPorte City Water Department | 1119 Lake Street | LaPorte | (219) 326-9540 | M-46-01 |
| Twin Rivers Medical Laboratory, Inc. | 902 West Broadway | Logansport | (574) 739-0004 | M-09-01 |
| Environmental Laboratories, Inc.- Madison | 635 Green Road | Madison | (888) 932-6699 | M-39-01 |
| Marion Utilities Wastewater Laboratory | 107 E. Bond Ave | Marion | (765) 664-2391 | M-27-01 |
| Microbac Laboratories, Inc. | 250 West 84th Drive | Merrillville | (219) 769-8378 | M-45-08 |
| Mishawaka Wastewater Lab | 1020 Lincolnway West | Mishawaka | (574) 258-1655 | M-76-01 |
| Your Environmental Services LLC dba Valley Lea Laboratories | 4609 Grape Road D-4 | Mishawaka | (574) 272-8484 | M-76-06 |
| Mold Diagnostics | 206 E. Main Street, Suite D | Monrovia | (317) 996-4414 | M-55-02 |
| Godlove Enterprises, Inc. | 933 West Hanawalt Road | Monticello | (574) 583-8990 | M-91-01 |
| Indiana American Water – Mooresville | 425 W. Main Street | Mooresville | (317) 831-3385 | M-55-03 |
| Indiana American Water- Muncie District | 1428 Burlington Drive | Muncie | (765) 741-1269 | M-18-01 |
| HML, Inc | 912 West McGalliard | Muncie | (765) 288-1124 | M-18-03 |
| Environmental Laboratories, Inc. - New Albany | 1700 State Street | New Albany | (888) 932-6699 | M-22-02 |
| Indiana American Water-Newburgh District | 5622 State Hwy 66 | Newburgh | (812) 842-0275 | M-87-01 |
| Indiana American Water-Noblesville | 15227 North Herriman | Noblesville | (317) 773-2497 | M-29-02 |
| Environmental Laboratories, Inc. - Plymouth | Lifeplex Fitness Forum, 2855 Miller Dr, Ste 101 | Plymouth | (888) 932-6699 | M-50-01 |
| Jasper County Hosp Water Test. Lab | 1104 East Grace Street | Rensselaer | (219) 866-2032 | M-37-01 |
| Reid Hosp and Health Care Services | 1100 Reid Pkwy | Richmond | (765) 983-3134 | M-89-02 |
| Indiana American Water-Richmond District | 1720 Sylvan Nook Drive | Richmond | (765) 962-0470 | M-89-01 |
| Indiana American Water-Seymour District | 7174 N County Road 760 E | Seymour | (812) 522-9596 | M-36-02 |
| Indiana American Water-Shelbyville District | 1700 McCall Street | Shelbyville | (317) 392-0711 | M-73-01 |
| Eurofins Eaton Analytical, Inc. | 110 South Hill Street | South Bend | (574) 233-4777 | M-76-07 |
| Element Materials Technology South Bend | 3371 Cleveland Rd, Suite B | South Bend | (574) 277-0707 | M-71-02 |
| South Bend Environmental Laboratory | 3113 Riverside Drive | South Bend | (574) 277-8515 | M-76-02 |
| Green Leaf Laboratory, LLP | 1040 Section Street | Sullivan | (812) 268-4704 | M-77-02 |
| Indiana American Water- Terre Haute District | 800 North First Street | Terre Haute | (812) 232-1400 | M-84-01 |
| Valparaiso Dept of Water Works | 2101 Wesly Road | Valparaiso | (219) 462-6174 | M-64-02 |
| Utility Services | 2501 Chicago Street, Suite 4 | Valparaiso | (219) 759-0193 | M-64-05 |
| Indiana American Water - Warsaw | 2420 Hidden Lake Road | Warsaw | (574) 267-6232 | M-43-03 |
| Kosciusko CHD Microbiology Lab | 100 W. Center St | Warsaw | (574) 372-2349 | M-43-02 |
| Element Materials Technology Warsaw | 909 Executive Dr. | Warsaw | (574) 267-3305 | M-43-01 |
| Indiana American Water-West Lafayette District | 1007 Happy Hollow Road | West Lafayette | (765) 743-7973 | M-79-01 |
