Main menu:
| Name/Link to website | Office | System Type |
| Alpine Water Users Association | P.O. Box 122 Twin Peaks, CA 92391 (909) 337-2845 | Mutual Water Company |
| Apple Valley Foothill County Water District | 22545 Del Oro Rd. Apple Valley, CA 92308 (760) 247-1101 | County Water District |
| Apple Valley Heights County Water District | 9429 Cerra Vista Apple Valley, CA 92308 (760) 247-7330 | County Water District |
| Apple Valley View Mutual Water Company | P.O. Box 3680 Apple Valley, CA 92307 (760) 247-4217 | Mutual Water Company |
| Arrowhead Villas Mutual Service Company | P.O. Box 77 Skyforest, CA 92385 (909) 337-4259 | Mutual Water Company |
| Bar H Mutual Water Company | P.O. Box 844 Lucerne Valley, CA 92356 (760) 912-5075 | Mutual Water Company |
| Bar-Len Mutual Water Company | P.O. Box 77 Barstow, CA 92311 (760) 267-6768 | Mutual Water Company |
| Bighorn-Desert View Water Agency | 622 S. Jemez Trail Yucca Valley, CA 92284-1440 (760) 364-2315 | Water Agency |
| Cedarpines Park Mutual Water Company | P.O. Box 9259 Cedarpines Park, CA 92322 (909) 338-1821 | Mutual Water Company |
| Center Water Company | P.O. Box 616 Lucerne Valley, CA 92356 (760) 248-2200 | Water Company |
| Chamisal Mutual Water Company | No Address (760) 780-9504 El Mirage, CA | Mutual Water Company |
| County Service Area 42 (Oro Grande) | P.O. Box 5004 Victorville, CA 92395-5004 (760) 955-9885 | Special District |
| County Service Area 70 CG (Cedar Glen) | P.O. Box 5004 Victorville, CA 92395-5004 (760) 955-9885 | Special District |
| County Service Area 70 W4 (Pioneertown) | P.O. Box 5004 Victorville, CA 92395-5004 (760) 955-9885 | Special District |
| Daggett Community Services District | P.O. Box 308 Daggett, CA 92327 (760) 254-2415 | Community Services District |
| Desert Dawn Mutual Water Company | P.O. Box 392 Lucerne Valley, CA 92356 (760) 248-6614 | Mutual Water Company |
| Desert Springs Mutual Water Company | P.O. Box 396 Lucerne Valley, CA 92356 (760) 220-2252 | Mutual Water Company |
| Dogwood Blue Jay Canyon Improvement Association | P.O. Box 2625 Blue Jay, CA 92317 (909) 336-4369 | Mutual Water Company |
| Gordon Acres Water Company | P.O. Box 1035 Lucerne Valley, CA 92356 (760) 248-2370 | Mutual Water Company |
| Green Valley Mutual Water Company | P. O. Box 8300 Green Valley Lake, CA 92341 (909) 867-2912 | Mutual Water Company |
| Helendale Community Services District | P.O. Box 359 Helendale CA 92342 (760) 951-0006 | Community Services District |
| Hi Desert Mutual Water Company | 23667 Gazana Rd. Barstow, CA 92311 (760) 307-5169 | Mutual Water Company |
| Jubilee Mutual Water Company | P.O. Box 1016 Lucerne Valley, CA 92356 (760) 248-7883 | Mutual Water Company |
| Juniper-Riviera County Water District | P.O. Box 386 Apple Valley, CA 92307 (760) 247-9818 | County Water District |
| Joshua Basin Water District | P.O. Box 675 Joshua Tree, CA 92252 (760) 366-8438 | Community Owned District |
| Lucerne Valley Mutual Water Company | P.O. Box 1311 Lucerne Valley, CA 92356 (760) 646-0180 | Mutual Water Company |
| Lucerne Vista Mutual Water Company | P.O. Box 677 Lucerne Valley, CA 92356 (760) 885-1584 | Mutual Water Company |
| Mariana Ranchos County Water District | 9600 Manzanita St. Apple Valley, CA 92308 (760) 247-9405 | County Water District |
| Mountain Pioneer Mutual Water Company | 26288 Highway 18 Rimforest, CA 92378 (909) 337-4619 | Mutual Water Company |
| Navajo Mutual Water Company | P.O. Box 392 Apple Valley, CA 92307 (760) 507-1612 | Mutual Water Company |
| Rancheritos Mutual Water Company | P.O. Box 348 Apple Valley, CA 92307 (760) 247-3730 | Mutual Water Company |
| Rand Communities Water District | P.O. Box 198 Randsburg, CA 93554 (760) 374-2414 | Water District |
| Sheep Creek Water Company | P.O. Box 291820 Phelan, CA 92329 (760) 868-3755 | Mutual Water Company |
| Sky Forest Mutual Water Company | P.O. Box 3 Skyforest, CA 92385 (909) 336‐0851 | Mutual Water Company |
| Stoddard Valley Mutual Water Company | P.O. Box 2288 Barstow, CA 92312 (760) 252-2912 | Mutual Water Company |
| Strawberry Lodge Mutual Water Company | P.O. Box 7 Twin Peaks, CA 92391 (909) 337-6530 | Mutual Water Company |
| Thunderbird County Water District | P.O. Box 1105 Apple Valley, CA 92307 (760) 247-2503 | County Water District |
| Valley of Enchantment Mutual Water Company | P.O. BOX 6510 Crestline, CA 92325 (909) 338-2310 | Mutual Water Company |
| Valley View Park Mutual Water Company | P.O. BOX 301 Crestline, CA 92325 (909) 338-2741 | Mutual Water Company |
| West End Mutual Water Company | P.O. Box 1732 Lucerne Valley CA 92356 (760) 248-2914 | Mutual Water Company |