We found 429 public water systems in Mason county (ordered by population size).
| Name | Areas served | Population served | Contaminant count | Violation count |
|---|---|---|---|---|
| Shelton, City Of | Shelton | 21,413 | 35 | 27 |
| Twanoh State Park | County of Mason | 3,173 | 0 | 17 |
| Lake Cushman System 5 | County of Mason | 3,001 | 0 | 6 |
| Belfair State Park | County of Mason | 2,411 | 0 | 13 |
| Washington Corrections Center | Shelton | 2,223 | 16 | 22 |
| Timberlake Community Club Inc | County of Mason | 2,152 | 0 | 21 |
| Lake Limerick Water | County of Mason | 2,143 | 0 | 97 |
| Lakeland Village Water | County of Mason | 2,119 | 0 | 13 |
| Belfair Water District 1 | County of Mason | 1,975 | 0 | 38 |
| Lake Cushman Maintenance Co | County of Mason | 1,850 | 0 | 0 |
| Hoodsport | County of Mason | 1,830 | 0 | 17 |
| Alderbrook Water Co | County of Mason | 1,714 | 0 | 7 |
| Shorecrest Estates Water Co | County of Mason | 1,320 | 0 | 33 |
| North Mason High School | County of Mason | 1,300 | 0 | 38 |
| Port Of Shelton Sanderson Field | County of Mason | 1,300 | 0 | 21 |
| Beards Cove | County of Mason | 1,076 | 0 | 12 |
| Potlatch State Park | County of Mason | 1,053 | 0 | 5 |
| Fawn Lake Maintenance Comm | County of Mason | 1,044 | 0 | 52 |
| Pioneer School District | County of Mason | 903 | 0 | 14 |
| Lake Cushman System 3 | County of Mason | 806 | 0 | 6 |
| Jarrell Cove State Park | County of Mason | 715 | 0 | 16 |
| Oak Park | County of Mason | 695 | 0 | 35 |
| Lynch Cove | County of Mason | 693 | 0 | 13 |
| Sand Hill Elementary | County of Mason | 650 | 0 | 33 |
| Union | County of Mason | 604 | 0 | 11 |
| Lake Cushman System #10 | County of Mason | 540 | 0 | 0 |
| Lake Cushman-inact-lower Lp | County of Mason | 501 | 0 | 0 |
| Hood Canal School District 404 | County of Mason | 500 | 0 | 0 |
| Schafer State Park | County of Mason | 466 | 0 | 12 |
| Hartstene Pointe | County of Mason | 460 | 0 | 15 |
| Twanoh Falls Beach Club | County of Mason | 436 | 0 | 51 |
| Shorecrest Beach Club Water Co | County of Mason | 410 | 0 | 0 |
| Elfendahl Pass | County of Mason | 400 | 0 | 0 |
| Allyn Shopping Center | County of Mason | 397 | 0 | 1 |
| Tahuya River Valley Water District | County of Mason | 367 | 0 | 102 |
| Trails End Water District | County of Mason | 362 | 0 | 135 |
| Hiapark | County of Mason | 360 | 0 | 8 |
| Lake Cushman System 1 | Hoodsport | 355 | 0 | 0 |
| Hood Canal | County of Mason | 353 | 0 | 31 |
| Lake Cushman Park Lower Loop | County of Mason | 337 | 0 | 0 |
| Lake Cushman Park Upper Loop | County of Mason | 333 | 0 | 0 |
| Emerald Lake | County of Mason | 331 | 0 | 12 |
| Paradise Estates | County of Mason | 328 | 0 | 21 |
| Lake Arrowhead | County of Mason | 326 | 0 | 5 |
| Rustlewood | County of Mason | 324 | 0 | 25 |
| Treasure Island Country Club | County of Mason | 321 | 0 | 12 |
| Collins Lake Community Club | County of Mason | 321 | 0 | 23 |
| Taylor Station | County of Mason | 314 | 0 | 17 |
| Lake Cushman Upper Loop | County of Mason | 300 | 0 | 0 |
| Mary M Knight School | County of Mason | 270 | 0 | 7 |
| Grapeview School | County of Mason | 257 | 0 | 36 |
| View Ridge Heights | County of Mason | 256 | 0 | 18 |
| Alderbrook Country Store | County of Mason | 255 | 0 | 10 |
| Colony Surf Water Supply | County of Mason | 252 | 0 | 30 |
| Southside Elementary School | County of Mason | 250 | 0 | 69 |
| Squaxin Island Tribal Housing | County of Mason | 250 | 0 | 0 |
| Belwood Lp#1 | County of Mason | 250 | 0 | 0 |
| Hood Canal Water Company B | County of Mason | 248 | 0 | 0 |
| Maggie Lake Water District | County of Mason | 247 | 0 | 27 |
| Sunset Beach | County of Mason | 245 | 0 | 102 |
| Island Lake Manor | County of Mason | 233 | 0 | 19 |
| Mission Creek Corrections Center | County of Mason | 229 | 0 | 14 |
| Shelton Valley Child Development | County of Mason | 221 | 0 | 8 |
| Panhandle Lake 4h Camp | County of Mason | 220 | 0 | 0 |
| Riverhill Homeowners Assn | County of Mason | 215 | 0 | 53 |
| Green Diamond Park | County of Mason | 206 | 0 | 4 |
| Rainbow Lake | County of Mason | 203 | 0 | 13 |
| Alderbrook Development Co | County of Mason | 202 | 0 | 0 |
| Star Lake Community Club | County of Mason | 201 | 0 | 78 |
| Skokomish Community | County of Mason | 200 | 0 | 0 |
| Woodland Manor | County of Mason | 192 | 0 | 12 |
| Port Of Allyn | County of Mason | 189 | 0 | 5 |
| Highland Park | County of Mason | 180 | 0 | 20 |
| Triton Head Assn | County of Mason | 176 | 0 | 20 |
| Parkshore Estates | County of Mason | 172 | 0 | 15 |
| Skyline Drive In Theater | County of Mason | 169 | 0 | 8 |
| Pirates Cove Country Club | County of Mason | 168 | 0 | 12 |
| Canal Mutual Water | County of Mason | 162 | 0 | 16 |
| Beacon Point Community Club | County of Mason | 158 | 0 | 15 |
| Shadowood | County of Mason | 154 | 0 | 5 |
| Camp Lyle Mcleod | County of Mason | 153 | 0 | 13 |
| Lakewood Heights | County of Mason | 153 | 0 | 16 |
| Sandhill Park | County of Mason | 152 | 0 | 10 |
| Spencer Lake Bar And Grill | County of Mason | 150 | 0 | 31 |
| Mission Creek Tracts | County of Mason | 150 | 0 | 37 |
| Rayonier Inc | County of Mason | 150 | 0 | 0 |
| Hidden Haven Mobile Home Park | County of Mason | 149 | 0 | 21 |
| Shorebrook Community Club | County of Mason | 148 | 0 | 23 |
| Cedar Grove | County of Mason | 146 | 0 | 5 |
| Washington State Patrol Academy | County of Mason | 144 | 0 | 25 |
| Bellwood A | County of Mason | 143 | 0 | 1 |
| Camp Robbinswold Girl Scout | County of Mason | 142 | 0 | 3 |
| Camp St Albans Girl Scout | County of Mason | 136 | 0 | 11 |
| Bayshore | County of Mason | 130 | 0 | 25 |
| Harstine Island Estates Assn | County of Mason | 130 | 0 | 26 |
| Cushman Inc | County of Mason | 129 | 0 | 1 |
| Ayock Beach Improvement | County of Mason | 129 | 0 | 7 |
| Hama Hama Company | County of Mason | 125 | 0 | 7 |
| Prairie | County of Mason | 122 | 0 | 0 |
| River Haven | County of Mason | 113 | 0 | 0 |
| Deer Creek Grocery | County of Mason | 111 | 0 | 0 |
| Cherry Park | County of Mason | 111 | 0 | 0 |
| Twanoh Heights Community Club | County of Mason | 110 | 0 | 0 |
| Highland Estates | County of Mason | 110 | 0 | 0 |
| Evergreen Mobile Estates | County of Mason | 110 | 0 | 0 |
| Potlatch Beach Mutual | County of Mason | 109 | 0 | 0 |
| Arcadia Estates | County of Mason | 108 | 0 | 0 |
| Lake Trask Timber Trails Assn | County of Mason | 107 | 0 | 0 |
| Airport Grocery | County of Mason | 105 | 0 | 0 |
| Saltwater Park | County of Mason | 103 | 0 | 0 |
| North Mason Bible Church | County of Mason | 102 | 0 | 0 |
| Canal Beach Tracts Mutual Wtr Co | County of Mason | 102 | 0 | 0 |
| Shore Hill | County of Mason | 101 | 0 | 0 |
| Skokomish Tribal Center | County of Mason | 100 | 0 | 0 |
| Bayshore Golf Club | County of Mason | 100 | 0 | 0 |
| Douglas Fir Xmas Tree Co | County of Mason | 100 | 0 | 0 |
| Lynch Cove Div 1 Water Assn | County of Mason | 99 | 0 | 0 |
| ZIONS CAMP LDS RECREATIONAL PROP | County of Mason | 97 | 0 | 0 |
| Bar B Estate Manor | County of Mason | 96 | 0 | 0 |
| Mason County Lost Lake | County of Mason | 96 | 0 | 0 |
| Bay East | County of Mason | 94 | 0 | 0 |
| Staircase Campground | County of Mason | 91 | 0 | 0 |
| Springwood | County of Mason | 90 | 0 | 0 |
| Parkwood | East Olympia | 90 | 0 | 0 |
| Union Ridge | County of Mason | 85 | 0 | 0 |
| Minerva Terrace | County of Mason | 85 | 0 | 0 |
| Dayton Trails | County of Mason | 83 | 0 | 0 |
| Camp Bishop Grays Harbor Ymca | County of Mason | 83 | 0 | 0 |
| Eagle Creek Tavern | County of Mason | 83 | 0 | 0 |
| Pats Little Red Barn Inc | County of Mason | 83 | 0 | 0 |
| Christ Lutheran Church | County of Mason | 83 | 0 | 0 |
| Vuecrest | County of Mason | 82 | 0 | 0 |
| Wonderland Water Company | County of Mason | 82 | 0 | 0 |
| Mason County Public Works | County of Mason | 80 | 0 | 0 |
| Minerva Beach Resort | County of Mason | 80 | 0 | 0 |
| Dry Sort Domestic | County of Mason | 80 | 0 | 0 |
| Canal View | County of Mason | 80 | 0 | 0 |
| Three Fingers | County of Mason | 78 | 0 | 0 |
| Kamilche Water Association | County of Mason | 78 | 0 | 0 |
| Pine Acres C | County of Mason | 77 | 0 | 0 |
| Discovery Homes #1 | County of Mason | 76 | 0 | 0 |
| Rae Lake | County of Mason | 73 | 0 | 0 |
| Cedar View Tracts Comm Club | County of Mason | 73 | 0 | 0 |
| Loggers Bar & Grill | County of Mason | 73 | 0 | 0 |
| Brown Creek Campground Hp A | County of Mason | 73 | 0 | 0 |
| Tiger Lake Terrace Tracts | County of Mason | 70 | 0 | 0 |
| Stretch Island Fruit | County of Mason | 70 | 0 | 0 |
| Harstene Retreat | County of Mason | 70 | 0 | 0 |
| Twanoh Terrace Water Co | County of Mason | 70 | 0 | 0 |
| Exceptional Manor | County of Mason | 70 | 0 | 0 |
| Lake Nahwatzel Resort | County of Mason | 68 | 0 | 0 |
| Blue Heron Condominiums | County of Mason | 67 | 0 | 0 |
| Brown Creek Campground Hp C | County of Mason | 67 | 0 | 0 |
| Brown Creek Campground Hp B | County of Mason | 67 | 0 | 0 |
| Olympic Mountain Ice Cream | County of Mason | 66 | 0 | 0 |
| Holiday Beach Water Supply | County of Mason | 66 | 0 | 0 |
| Sandys Resort Trailer Park | County of Mason | 66 | 0 | 0 |
| Alta Forest Products | County of Mason | 65 | 0 | 0 |
| Clifton Beach Tracts Co Op | County of Mason | 65 | 0 | 0 |
| Spencer Lake Rv Park | County of Mason | 64 | 0 | 0 |
| Pebble Beach | County of Mason | 64 | 0 | 0 |
| Jarrells Cove Marina | County of Mason | 64 | 0 | 0 |
| Vig | County of Mason | 61 | 0 | 0 |
| Curries Landing | County of Mason | 61 | 0 | 0 |
| Blue Bear Park | County of Mason | 60 | 0 | 0 |
| New Pine Acres | County of Mason | 60 | 0 | 0 |
| Fresh Start | County of Mason | 60 | 0 | 0 |
| North One Apartments | Tacoma | 60 | 0 | 0 |
| Latvian Village Water Supply Sys | County of Mason | 60 | 0 | 0 |
| Hamma Ridge | County of Mason | 59 | 0 | 0 |
| Prince Of Peace Catholic Church | County of Mason | 58 | 0 | 0 |
| Viewcrest Beach | County of Mason | 58 | 0 | 0 |
| Beach House Also | County of Mason | 58 | 0 | 0 |
| Shelton Presbyterian | County of Mason | 57 | 0 | 0 |
| Hill Valley | County of Mason | 57 | 0 | 0 |
| Agate Grocery | County of Mason | 56 | 0 | 0 |
| Kamilche Point Community Club | County of Mason | 56 | 0 | 0 |
| Golden Pheasant Tavern | County of Mason | 54 | 0 | 0 |
| Big Creek Campground Olympic Nf | County of Mason | 53 | 0 | 0 |
| Alta Drive | County of Mason | 53 | 0 | 0 |
| Jesfield Tracts Community Club | County of Mason | 53 | 0 | 0 |
| Pleasant Cove | County of Mason | 52 | 0 | 0 |
| Allyn Shop | County of Mason | 52 | 0 | 0 |
| Cherokee Strip Hoa & Water | County of Mason | 52 | 0 | 0 |
| Tahja Ii | County of Mason | 51 | 0 | 0 |
| Minerva Beach Rv Resort & M V East | County of Mason | 51 | 0 | 0 |
| Madrona Beach Supply | County of Mason | 50 | 0 | 0 |
| Dry Sort Fire System | County of Mason | 50 | 0 | 0 |
| Teamsters 313 Rec Area | County of Mason | 49 | 0 | 0 |
| Olympia Oyster Co | County of Mason | 48 | 0 | 0 |
| Hetrick-meyers Broadview Tract | County of Mason | 48 | 0 | 0 |
| Little Mission Creek | County of Mason | 47 | 0 | 0 |
| Shelton Auto Parts | County of Mason | 47 | 0 | 0 |
| Spencer Glen | County of Mason | 47 | 0 | 0 |
| Little Mission Creek Tracts Water | County of Mason | 46 | 0 | 0 |
| Kimberley T | County of Mason | 45 | 0 | 0 |
| Lds Church (belfair Building) | County of Mason | 45 | 0 | 0 |
| Ripplewood Tracts | County of Mason | 45 | 0 | 0 |
| Webb Hill | County of Mason | 45 | 0 | 0 |
| Lakewood Community | County of Mason | 45 | 0 | 0 |
| Canyonwood Beach Water Supply | County of Mason | 43 | 0 | 0 |
| Camp Hahobas | County of Mason | 42 | 0 | 0 |
| Olympic Trails Water Supply | County of Mason | 42 | 0 | 0 |
| Taylor United | County of Mason | 42 | 0 | 0 |
| Lakewood Manor Association | County of Mason | 42 | 0 | 0 |
| Firwood Heights Water System | County of Mason | 42 | 0 | 0 |
| Emerald Cove Water Supply | County of Mason | 42 | 0 | 0 |
| Kamilche Shores | County of Mason | 41 | 0 | 0 |
| Harmony Hill | County of Mason | 41 | 0 | 0 |
| Olympic Vista Club Community Water | County of Mason | 41 | 0 | 0 |
| Rivendell #2 | County of Mason | 41 | 0 | 0 |
| Suncrest | Shelton | 41 | 0 | 0 |
| Matlock General Store | County of Mason | 40 | 0 | 0 |
| Mountain Shores | County of Mason | 40 | 0 | 0 |
| Harstine Island Community Club | County of Mason | 40 | 0 | 0 |
| Rhododendron Place | County of Mason | 39 | 0 | 0 |
| Kelseys All Natural | County of Mason | 39 | 0 | 0 |
| Lake Christine Community Club | County of Mason | 38 | 0 | 0 |
| Purdy Canyon Restaurant | County of Mason | 38 | 0 | 0 |
| Rainier View | County of Mason | 37 | 0 | 0 |
| Vinewood Llc | County of Mason | 37 | 0 | 0 |
| Camp Govey Water System | County of Mason | 37 | 0 | 0 |
| Merrimount 1 | County of Mason | 36 | 0 | 0 |
| Hilburn Scott | County of Mason | 36 | 0 | 0 |
| Detroit Water Service Assn | County of Mason | 36 | 0 | 0 |
| Lilliwaup Store And Motel | County of Mason | 35 | 0 | 0 |
| Bpo Elks Lodge #2467 | County of Mason | 34 | 0 | 0 |
| Hood Canal Cooperative 1 | County of Mason | 34 | 0 | 0 |
| Pickering Spencer Lake | County of Mason | 34 | 0 | 0 |
| Port Of Shelton Johns Prairie | County of Mason | 33 | 0 | 0 |
| Bear Creek Store | County of Mason | 33 | 0 | 0 |
| Jorstad Creek Resort | County of Mason | 33 | 0 | 0 |
| Hipma | County of Mason | 33 | 0 | 0 |
| Clifton Pebble Beach | County of Mason | 33 | 0 | 0 |
| Seventh Day Adventist School | County of Mason | 33 | 0 | 0 |
| Moose Lodge #1684 | County of Mason | 33 | 0 | 0 |
| Agate Beach | County of Mason | 32 | 0 | 0 |
| Pavilion At Sentry Park | County of Mason | 32 | 0 | 0 |
| Bel Aire Cove | County of Mason | 32 | 0 | 0 |
| Grapeview Country Store | County of Mason | 32 | 0 | 0 |
| Elma Country Club | County of Mason | 31 | 0 | 0 |
| Clear Water Maintenance | County of Mason | 31 | 0 | 0 |
| Pjs Inc Water System | County of Mason | 31 | 0 | 0 |
| Lynnwood Community Beach | County of Mason | 30 | 0 | 0 |
| Jafbro Associates | County of Mason | 30 | 0 | 0 |
| Rest A While Rv Park | County of Mason | 30 | 0 | 0 |
| Cornerstone Industrial Park | County of Mason | 30 | 0 | 0 |
| Happy Hollow Grocery | County of Mason | 30 | 0 | 0 |
| S I T E Seafoods | County of Mason | 30 | 0 | 0 |
| Storeybrook Estates | County of Mason | 30 | 0 | 0 |
| Hoodsport Inn Restaurant | County of Mason | 30 | 0 | 0 |
| Booze Bay Water Co | County of Mason | 30 | 0 | 0 |
| Sunset Acres Water System | County of Mason | 30 | 0 | 0 |
| Dahman Shellfish | County of Mason | 30 | 0 | 0 |
| Brisco Point | County of Mason | 29 | 0 | 0 |
| Sunrise Motel | County of Mason | 29 | 0 | 0 |
| Skokomish Grange | County of Mason | 29 | 0 | 0 |
| Hamma Hamma Campground | County of Mason | 29 | 0 | 0 |
| Crow's Nest Ii | County of Mason | 29 | 0 | 0 |
| Purdy Creek | County of Mason | 28 | 0 | 0 |
| Cushman Plant 2 | County of Mason | 28 | 0 | 0 |
| Rivendell Water Association | County of Mason | 28 | 0 | 0 |
| Queen Anne Water Works, Llc | County of Mason | 28 | 0 | 0 |
| Bingham Creek Hatchery | County of Mason | 28 | 0 | 0 |
| Satsop Work Center | County of Mason | 28 | 0 | 0 |
| Wooden Frog District 31 | County of Mason | 28 | 0 | 0 |
| S&p Properties | County of Mason | 27 | 0 | 0 |
| Erickson Lake Tracts | County of Mason | 27 | 0 | 0 |
| Wagon Wheel Estates | County of Mason | 27 | 0 | 0 |
| Lena Creek Campground Hp 1 | County of Mason | 27 | 0 | 0 |
| Up The Creek Bar & Grill/ See Ad164 | County of Mason | 27 | 0 | 0 |
| Rothlein Water System | County of Mason | 27 | 0 | 0 |
| ZINGAROS | County of Mason | 27 | 0 | 0 |
| Ten Four | County of Mason | 26 | 0 | 0 |
| Island Hide A Way Water | County of Mason | 26 | 0 | 0 |
| North Mason United Methodist Church | County of Mason | 26 | 0 | 0 |
| Moores Water System | County of Mason | 26 | 0 | 0 |
| Camp Oak Patch | County of Mason | 26 | 0 | 0 |
| Pine Acres Water | County of Mason | 26 | 0 | 0 |
| Country Lane Water System | County of Mason | 26 | 0 | 0 |
| Dayton Airport Business Park | County of Mason | 25 | 0 | 0 |
| Fir Creek Work Center | County of Mason | 25 | 0 | 0 |
| Longshore Communal | County of Mason | 25 | 0 | 0 |
| Squaxin Island Tribal Center | County of Mason | 25 | 0 | 0 |
| Aldrich Park - Dept. Of Nat. Resc. | County of Mason | 25 | 0 | 0 |
| Port Of Allyn - Kirk Water Sup | County of Mason | 25 | 0 | 0 |
| Toonerville | County of Mason | 25 | 0 | 0 |
| Twin Lakes | County of Mason | 25 | 0 | 0 |
| Palitos | County of Mason | 25 | 0 | 0 |
| Rendsland Property | County of Mason | 25 | 0 | 0 |
| Bell Tracts | County of Mason | 25 | 0 | 0 |
| Port Of Dewatto | County of Mason | 25 | 0 | 0 |
| Airport Home Tracts Water Syst | County of Mason | 25 | 0 | 0 |
| Rauh Water System | County of Mason | 25 | 0 | 0 |
| North Mason Eagles | County of Mason | 25 | 0 | 0 |
| Central Shop | County of Mason | 25 | 0 | 0 |
| Sherwood Park | County of Mason | 25 | 0 | 0 |
| Shore Hills Estates | County of Mason | 25 | 0 | 0 |
| Siskan Condominium | County of Mason | 25 | 0 | 0 |
| H Ds Pub | County of Mason | 25 | 0 | 0 |
| Satco Glen Plot | County of Mason | 25 | 0 | 0 |
| Lena Creek Campground | County of Mason | 25 | 0 | 0 |
| Orchard Beach Community | County of Mason | 25 | 0 | 0 |
| Allyn Tavern | County of Mason | 25 | 0 | 0 |
| Mc Lains Cove Water Supply | County of Mason | 25 | 0 | 0 |
| Hamma Hamma Guard Station | County of Mason | 25 | 0 | 0 |
| Hoodsport Admin Site | County of Mason | 25 | 0 | 0 |
| Hammersley Inlet Estates | County of Mason | 25 | 0 | 0 |
| Lebar Horse Camp | County of Mason | 25 | 0 | 0 |
| Hidden Cove #1 Water | County of Mason | 25 | 0 | 0 |
| Gbh Trust | County of Mason | 25 | 0 | 0 |
| Matlock Community Church | County of Mason | 25 | 0 | 0 |
| Arcadia Water Supply | County of Mason | 25 | 0 | 0 |
| Hoodsport Admin Site | County of Mason | 25 | 0 | 0 |
| Twin Lakes | County of Mason | 25 | 0 | 0 |
| Ericksen Water System | County of Mason | 25 | 0 | 0 |
| Burroughs Water Supply | County of Mason | 25 | 0 | 0 |
| Thelers Water Supply | County of Mason | 25 | 0 | 0 |
| Schmidt, H. Deep Water | County of Mason | 25 | 0 | 0 |
| Wood Milner Water Supply | County of Mason | 25 | 0 | 0 |
| Driftwood Beach Water Supply | County of Mason | 25 | 0 | 0 |
| Squaxin Island Tribal Cen | County of Mason | 25 | 0 | 0 |
| Stone Little Water Supply | County of Mason | 25 | 0 | 0 |
| Bingham Well | County of Mason | 25 | 0 | 0 |
| Seal Rock | County of Mason | 25 | 0 | 0 |
| Home Meat Service | County of Mason | 25 | 0 | 0 |
| Terra Linda Mobile Home Court | County of Mason | 25 | 0 | 0 |
| Skookum View | County of Mason | 24 | 0 | 0 |
| Buck's Prairie Mkt | County of Mason | 24 | 0 | 0 |
| Patricia Beach #2 | County of Mason | 24 | 0 | 0 |
| North Bay Heights 5 | County of Mason | 24 | 0 | 0 |
| North Bay Heights 6 | County of Mason | 24 | 0 | 0 |
| Cedar Brook 2 | County of Mason | 24 | 0 | 0 |
| Vista Knoll Water Co Inc | County of Mason | 23 | 0 | 0 |
| Madrona Morningside Beach | County of Mason | 23 | 0 | 0 |
| T And C Gas & Foodmart | County of Mason | 23 | 0 | 0 |
| Vineyard Cove Corporation | County of Mason | 22 | 0 | 0 |
| Spencer Park 2 | County of Mason | 21 | 0 | 0 |
| North Bay Heights 3 | County of Mason | 20 | 0 | 0 |
| Sunset Heights 8 | County of Mason | 20 | 0 | 0 |
| Sunset Heights 2 | County of Mason | 20 | 0 | 0 |
| Sunset Heights 5 | County of Mason | 20 | 0 | 0 |
| Oakdale 2 | County of Mason | 20 | 0 | 0 |
| North Bay Heights 4 | County of Mason | 20 | 0 | 0 |
| Eagle | County of Mason | 20 | 0 | 0 |
| Sunset Heights 3 | County of Mason | 20 | 0 | 0 |
| Deer Haven 4 | County of Mason | 20 | 0 | 0 |
| Deer Haven 5 | County of Mason | 20 | 0 | 0 |
| Great Bend Estates | County of Mason | 20 | 0 | 0 |
| Bolduc Community | County of Mason | 19 | 0 | 0 |
| Starr Mutual | County of Mason | 19 | 0 | 0 |
| Orchard Beach Community | County of Mason | 19 | 0 | 0 |
| Mt Shores Community Club Inc | County of Mason | 18 | 0 | 0 |
| Snooze Junction Rv Park | County of Mason | 18 | 0 | 0 |
| Allyn Water | County of Mason | 18 | 0 | 0 |
| Truman Glick Park | County of Mason | 17 | 0 | 0 |
| Glen Ayr Canal Resort | County of Mason | 17 | 0 | 0 |
| Bald Point Airies | County of Mason | 16 | 0 | 0 |
| Twanoh Community Club | County of Mason | 16 | 0 | 0 |
| Lam, Scott | County of Mason | 16 | 0 | 0 |
| Happy Home | County of Mason | 16 | 0 | 0 |
| Paradise | County of Mason | 16 | 0 | 0 |
| Island Shores | County of Mason | 15 | 0 | 0 |
| Pinewood Place 1 | County of Mason | 15 | 0 | 0 |
| Snowy Owl #4 | County of Mason | 15 | 0 | 0 |
| Snowy Owl #7 | County of Mason | 15 | 0 | 0 |
| Snowy Owl #5 | County of Mason | 15 | 0 | 0 |
| Snowy Owl #6 | County of Mason | 15 | 0 | 0 |
| Canal Side Resort | County of Mason | 15 | 0 | 0 |
| Smith Cove | County of Mason | 14 | 0 | 0 |
| Brook Point | County of Mason | 13 | 0 | 0 |
| Huck Farm Church Camp | County of Mason | 13 | 0 | 0 |
| Beacon Point Lls Hoa | County of Mason | 13 | 0 | 0 |
| Beacon Point Lls #1 | County of Mason | 13 | 0 | 0 |
| Tillicum Beach Inc | County of Mason | 12 | 0 | 0 |
| Ridge Creek | County of Mason | 12 | 0 | 0 |
| Pathfinder Water System | County of Mason | 12 | 0 | 0 |
| Waketickeh Creek Camp | County of Mason | 11 | 0 | 0 |
| Summertide | County of Mason | 11 | 0 | 0 |
| Mikes Beach | County of Mason | 10 | 0 | 0 |
| Fair Harbor Marina | County of Mason | 10 | 0 | 0 |
| Sherwood Creek | County of Mason | 10 | 0 | 0 |
| Delight Park | County of Mason | 10 | 0 | 0 |
| Mason Co Fire Protection Dist 3 | County of Mason | 10 | 0 | 0 |
| Nelson Water Front Tracts 1 And 2 | County of Mason | 9 | 0 | 0 |
| Mt St Helens Evergreen | County of Mason | 8 | 0 | 0 |
| Wilson Binns Swiger | County of Mason | 8 | 0 | 0 |
| Hrs Water System | County of Mason | 8 | 0 | 0 |
| Forest Water System | County of Mason | 8 | 0 | 0 |
| Eagle Crest | County of Mason | 8 | 0 | 0 |
| Stetsons Cove Inc | County of Mason | 7 | 0 | 0 |
| Mitchell Water System | County of Mason | 7 | 0 | 0 |
| Abner Sund Spring | County of Mason | 7 | 0 | 0 |
| Lake Nahwatzel Resort | County of Mason | 6 | 0 | 0 |
| Smith, Patricia | County of Mason | 6 | 0 | 0 |
| Diane Place | County of Mason | 6 | 0 | 0 |
| Old Hall Water System | County of Mason | 6 | 0 | 0 |
| Hood Canal Highlands Comm Club | County of Mason | 6 | 0 | 0 |
| Dennys Mason Lake Marina | County of Mason | 6 | 0 | 0 |
| Davies Water | County of Mason | 5 | 0 | 0 |
| Two Party 6860 | County of Mason | 5 | 0 | 0 |
| Casa De Canal | County of Mason | 5 | 0 | 0 |
| Scandrett, Greg | County of Mason | 5 | 0 | 0 |
| Kim, Yong | County of Mason | 5 | 0 | 0 |
| Mark I Trailor Park | County of Mason | 5 | 0 | 0 |
| Burke Water | County of Mason | 5 | 0 | 0 |
| Miska, Ralph | County of Mason | 4 | 0 | 0 |
| Little Skookum Shellfish | County of Mason | 4 | 0 | 0 |
| Retreat Lane | County of Mason | 4 | 0 | 0 |
| Oakdale 3 | County of Mason | 4 | 0 | 0 |
| Oakdale 4 | County of Mason | 4 | 0 | 0 |
| Hahobas Scout Reservation | County of Mason | 4 | 0 | 0 |
| Juno Court | County of Mason | 4 | 0 | 0 |
| Walker Park | County of Mason | 4 | 0 | 0 |
| Mooreview Heights | County of Mason | 3 | 0 | 0 |
| Allen Water | County of Mason | 3 | 0 | 0 |
| Skookum Shellfish | County of Mason | 3 | 0 | 0 |
| The Boatkeepers | County of Mason | 2 | 0 | 0 |
| Madrona Morningside 2 | County of Mason | 2 | 0 | 0 |
| D And D 4 | County of Mason | 2 | 0 | 0 |
| D And D 5 | County of Mason | 2 | 0 | 0 |
| Sunset Heights 4 | County of Mason | 2 | 0 | 0 |
| Holiday View | County of Mason | 2 | 0 | 0 |
| Pebble Cove | County of Mason | 2 | 0 | 0 |
| Huckleberry Hill | County of Mason | 2 | 0 | 0 |
| Camp Habobas | County of Mason | 2 | 0 | 0 |
| Shady Beach Water Assn | County of Mason | 2 | 0 | 0 |
| Hungry Bear | County of Mason | 2 | 0 | 0 |
| Enchantment Ridge #2 | County of Mason | 2 | 0 | 0 |