| City of SumnerPierce County | 0 | 65 | 947 | 3.1% | 16,438 |
| Gig Harbor Water DeptPierce County | 0 | 43 | 0 | 1.2% | 16,510 |
| City of OrtingPierce County | 0 | 20 | 590 | 0.6% | 10,332 |
| Marion Water Co INCPierce County | 0 | 8 | 135 | 2.1% | 966 |
| Taylor Bay Beach Club INCPierce County | 0 | 2 | 0 | 50% | 175 |
| Westbridge Estates Water AssnPierce County | 1 | 0 | 28 | 2.5% | 98 |
| McNeil Island WaterPierce County | 0 | 1 | 0 | 7.1% | 692 |
| SouthwoodPierce County | 0 | 0 | 9,895 | 0% | 64,155 |
| City of PuyallupPierce County | 0 | 0 | 2,681 | 0% | 94,520 |
| Parkland Light & Water CompanyPierce County | 0 | 0 | 2,644 | 0% | 33,775 |
| ArtondalePierce County | 0 | 0 | 1,197 | 0% | 5,828 |
| Fruitland Mutual Water CompanyPierce County | 0 | 0 | 1,057 | 0% | 15,313 |
| Peacock HillPierce County | 0 | 0 | 1,053 | 0% | 7,401 |
| MinterbrookPierce County | 0 | 0 | 693 | 0% | 5,083 |
| Point EvansPierce County | 0 | 0 | 647 | 0% | 5,211 |
| StrohsPierce County | 0 | 0 | 574 | 0% | 3,192 |
| Valley Water SystemPierce County | 0 | 0 | 545 | 0% | 2,259 |
| Cedar CrestPierce County | 0 | 0 | 434 | 0% | 2,954 |
| Buckley WaterPierce County | 0 | 0 | 384 | 0% | 7,842 |
| Graham Hill Mutual Water Co INCPierce County | 0 | 0 | 380 | 0% | 1,440 |
| Country/Eldorado Water SystemPierce County | 0 | 0 | 380 | 0% | 915 |
| HMC Management Water SystemPierce County | 0 | 0 | 353 | 0% | 432 |
| Lake Holiday AssociationPierce County | 0 | 0 | 352 | 0% | 740 |
| Wilkeson Water DepartmentPierce County | 0 | 0 | 284 | 0% | 1,071 |
| Palmer LakePierce County | 0 | 0 | 272 | 0% | 1,924 |
| City of MiltonPierce County | 0 | 0 | 250 | 0% | 8,078 |
| Crystal River Ranch AssocPierce County | 0 | 0 | 242 | 0% | 302 |
| Olympic MallPierce County | 0 | 0 | 233 | 0% | 2,681 |
| Lake MinterwoodPierce County | 0 | 0 | 209 | 0% | 1,539 |
| Chinook EstatesPierce County | 0 | 0 | 180 | 0% | 455 |
| Alderwood EstatesPierce County | 0 | 0 | 177 | 0% | 635 |
| Majestic Mobile ManorPierce County | 0 | 0 | 158 | 0% | 238 |
| QuistorffPierce County | 0 | 0 | 154 | 0% | 1,113 |
| Raft IslandPierce County | 0 | 0 | 128 | 0% | 575 |
| Rosedale EastPierce County | 0 | 0 | 115 | 0% | 798 |
| Loveland Mobile EstatesPierce County | 0 | 0 | 103 | 0% | 317 |
| Bethel Green Acres Water AssnPierce County | 0 | 0 | 91 | 0% | 522 |
| Clear Lake Water DistrictPierce County | 0 | 0 | 89 | 0% | 317 |
| Town of South PrairiePierce County | 0 | 0 | 88 | 0% | 489 |
| Rosedale Heights Trailer ParkPierce County | 0 | 0 | 88 | 0% | 444 |
| Cherrywood Mobile Home ManorPierce County | 0 | 0 | 85 | 0% | 120 |
| Eatonville Water DeptPierce County | 0 | 0 | 80 | 0% | 3,945 |
| Coach Country CorralPierce County | 0 | 0 | 80 | 0% | 170 |
| Twin Firs Mobile EstatesPierce County | 0 | 0 | 79 | 0% | 175 |
| One Point Fosdick Water CompanyPierce County | 0 | 0 | 67 | 0% | 165 |
| Nisqually ParkPierce County | 0 | 0 | 64 | 0% | 218 |
| Riverside VillaPierce County | 0 | 0 | 64 | 0% | 120 |
| Hillcrest Mobile Home ParkPierce County | 0 | 0 | 63 | 0% | 198 |
| Harborland Mobile ParkPierce County | 0 | 0 | 61 | 0% | 75 |
| ColePierce County | 0 | 0 | 56 | 0% | 257 |
| Olman Point Tracts ClubPierce County | 0 | 0 | 56 | 0% | 57 |
| ShorecrestPierce County | 0 | 0 | 55 | 0% | 289 |
| Shaws CovePierce County | 0 | 0 | 55 | 0% | 217 |
| Cole Point AssociationPierce County | 0 | 0 | 55 | 0% | 37 |
| Hartwood Water SystemPierce County | 0 | 0 | 50 | 0% | 95 |
| Enchanted Firs Mobile EstatesPierce County | 0 | 0 | 48 | 0% | 120 |
| Washington Soldiers Home ColonyPierce County | 0 | 0 | 46 | 0% | 643 |
| KopachuckPierce County | 0 | 0 | 46 | 0% | 236 |
| Longbranch Shores Water AssociationPierce County | 0 | 0 | 45 | 0% | 111 |
| Orting 15Pierce County | 0 | 0 | 43 | 0% | 117 |
| Ryanwood Improvement AssnPierce County | 0 | 0 | 41 | 0% | 108 |
| Cedars Mobile ManorPierce County | 0 | 0 | 41 | 0% | 62 |
| S & IPierce County | 0 | 0 | 37 | 0% | 482 |
| Nelson RidgePierce County | 0 | 0 | 37 | 0% | 232 |
| Elmwood Mobile ManorPierce County | 0 | 0 | 35 | 0% | 66 |
| Greenwood ParkPierce County | 0 | 0 | 34 | 0% | 75 |
| Holiday Hills Community Club INCPierce County | 0 | 0 | 34 | 0% | 50 |
| Canterbrook Village ApartmentsPierce County | 0 | 0 | 30 | 0% | 355 |
| Madrona PointPierce County | 0 | 0 | 29 | 0% | 111 |
| Winchester HeightsPierce County | 0 | 0 | 28 | 0% | 80 |
| Henderson Park Development CompanyPierce County | 0 | 0 | 26 | 0% | 45 |
| RanchPierce County | 0 | 0 | 24 | 0% | 183 |
| Clouse Water SystemPierce County | 0 | 0 | 24 | 0% | 40 |
| Ponderosa Mobile ParkPierce County | 0 | 0 | 24 | 0% | 37 |
| Hidden Gardens Homeowners CoopPierce County | 0 | 0 | 23 | 0% | 66 |
| Dunbar Cove Development Assoc.Pierce County | 0 | 0 | 22 | 0% | 69 |
| Four CornersPierce County | 0 | 0 | 21 | 0% | 77 |
| Jackson Lake SouthPierce County | 0 | 0 | 20 | 0% | 225 |
| Purdy Acres EastPierce County | 0 | 0 | 19 | 0% | 85 |
| Point Richmond HOAPierce County | 0 | 0 | 19 | 0% | 38 |
| Citizens Water AssociationPierce County | 0 | 0 | 18 | 0% | 60 |
| Minter Brook Beach INC.Pierce County | 0 | 0 | 18 | 0% | 45 |
| Dechaux Mutual WaterPierce County | 0 | 0 | 18 | 0% | 40 |
| Bonney Lake Water Department CityPierce County | 0 | 0 | 17 | 0% | 43,371 |
| RiverviewPierce County | 0 | 0 | 17 | 0% | 95 |
| Bethel Ranchettes Mutual Water CoPierce County | 0 | 0 | 17 | 0% | 65 |
| Garden Court MutualPierce County | 0 | 0 | 17 | 0% | 54 |
| Holly TidesPierce County | 0 | 0 | 16 | 0% | 140 |
| Cascade Highlands NorthPierce County | 0 | 0 | 16 | 0% | 119 |
| Crescent Valley #333Pierce County | 0 | 0 | 16 | 0% | 91 |
| Country Meadows East Water Sys #2Pierce County | 0 | 0 | 16 | 0% | 40 |
| South Shady Acres WaterPierce County | 0 | 0 | 15 | 0% | 85 |
| RyanwoodPierce County | 0 | 0 | 15 | 0% | 64 |
| Elbe Water & Sewer DistrictPierce County | 0 | 0 | 14 | 0% | 60 |
| Horsehead Bay WaterPierce County | 0 | 0 | 13 | 0% | 65 |
| Dobler John D Water SystemPierce County | 0 | 0 | 12 | 0% | 128 |
| Greenwood EstatesPierce County | 0 | 0 | 11 | 0% | 61 |
| Muck Creek HillPierce County | 0 | 0 | 11 | 0% | 46 |
| GreenbriarPierce County | 0 | 0 | 10 | 0% | 37 |
| Rosedale Community ClubPierce County | 0 | 0 | 9 | 0% | 96 |
| Rocky BayPierce County | 0 | 0 | 9 | 0% | 34 |
| Southcreek #1Pierce County | 0 | 0 | 6 | 0% | 69 |
| Lakewood Water DistrictPierce County | 0 | 0 | 5 | 0% | 82,425 |
| Sehmel RoadPierce County | 0 | 0 | 5 | 0% | 42 |
| Crystal Mountain INCPierce County | 0 | 0 | 3 | 0% | 4,154 |
| Lacamas FarmsteadsPierce County | 0 | 0 | 3 | 0% | 615 |
| Henderson BayPierce County | 0 | 0 | 3 | 0% | 61 |
| Cascade HighlandsPierce County | 0 | 0 | 2 | 0% | 93 |
| City of Tacoma Water DivisionPierce County | 0 | 0 | 0 | 0% | 446,245 |
| Firgrove Mutual INCPierce County | 0 | 0 | 0 | 0% | 36,168 |
| JBLM LewisPierce County | 0 | 0 | 0 | 0% | 35,414 |
| Spanaway Water CompanyPierce County | 0 | 0 | 0 | 0% | 34,506 |
| Fife Dept of Public WorksPierce County | 0 | 0 | 0 | 0% | 29,091 |
| Summit Water & Supply CoPierce County | 0 | 0 | 0 | 0% | 19,125 |
| City of Dupont Water SystemPierce County | 0 | 0 | 0 | 0% | 13,141 |
| Mountain View-Edgewood Water CoPierce County | 0 | 0 | 0 | 0% | 9,680 |
| Town of SteilacoomPierce County | 0 | 0 | 0 | 0% | 8,545 |
| City of FircrestPierce County | 0 | 0 | 0 | 0% | 7,927 |
| JBLM McChord FieldPierce County | 0 | 0 | 0 | 0% | 7,290 |
| Fox Island Mutual Water AssocPierce County | 0 | 0 | 0 | 0% | 3,255 |
| Western State HospitalPierce County | 0 | 0 | 0 | 0% | 2,857 |
| View Royal Water SystemPierce County | 0 | 0 | 0 | – | 2,069 |
| Canterwood Water SystemPierce County | 0 | 0 | 0 | – | 1,805 |
| Tapps Island Water SystemPierce County | 0 | 0 | 0 | 0% | 1,501 |
| Lake Josephine RivieraPierce County | 0 | 0 | 0 | 0% | 1,380 |
| City of RoyPierce County | 0 | 0 | 0 | 0% | 1,214 |
| Washington State Corrections-WomenPierce County | 0 | 0 | 0 | – | 1,205 |
| Ashford Water DistrictPierce County | 0 | 0 | 0 | – | 1,141 |