We found 69 public water systems that could serve the same population as L W Macmillan (ordered by population size).
| Name | Areas served | Population served | Contaminant count | Violation count |
|---|---|---|---|---|
| Orofino City Of | County of Clearwater | 2,459 | 0 | 4 |
| Riverside Water And Sewer District | County of Clearwater | 1,800 | 0 | 89 |
| Pierce City Of | Pierce | 508 | 0 | 118 |
| Weippe City Of | County of Clearwater | 441 | 0 | 6 |
| Potlatch Corp Jaype | County of Clearwater | 225 | 0 | 0 |
| Timberline High School | County of Clearwater | 200 | 0 | 19 |
| Elk River City Of | County of Clearwater | 165 | 0 | 22 |
| Orofino Golf Course | County of Clearwater | 150 | 0 | 29 |
| Nightforce Optics | Orofino | 110 | 0 | 0 |
| Army Corps Of Engineers | County of Clearwater | 100 | 0 | 0 |
| New Hope Subd | County of Clearwater | 100 | 0 | 0 |
| Idpr Dworshak Freeman Creek Cg (corps) | County of Clearwater | 100 | 0 | 0 |
| Corps Dent Campground | County of Clearwater | 100 | 0 | 0 |
| Pleasant Acres Water And Sewer Dist | County of Clearwater | 89 | 0 | 0 |
| Ahsahka Water And Sewer Dist | County of Clearwater | 85 | 0 | 0 |
| Potlatch Corp Headquarters | County of Clearwater | 75 | 0 | 0 |
| Usfs Cold Springs Work Center | County of Clearwater | 60 | 0 | 0 |
| Riverside Lumber Company | County of Clearwater | 50 | 0 | 0 |
| Jack Anderson | County of Clearwater | 50 | 0 | 0 |
| Larson Creek Camp | County of Clearwater | 50 | 0 | 0 |
| Corps Dworshak Pwr Hse View Pt | County of Clearwater | 50 | 0 | 0 |
| Usfs Canyon Work Center | County of Clearwater | 50 | 0 | 0 |
| Grangemont School | County of Clearwater | 50 | 0 | 0 |
| Boehls C Ptpa | County of Clearwater | 46 | 0 | 0 |
| Usfs Kelly Forks Campground | County of Clearwater | 40 | 0 | 0 |
| Usfs Elk Creek Campground | County of Clearwater | 35 | 0 | 0 |
| Usfs Musselshell Work Center | County of Clearwater | 35 | 0 | 0 |
| Lakeview Water District | County of Clearwater | 34 | 0 | 0 |
| Countryside Trailer Court | County of Clearwater | 30 | 0 | 0 |
| Randy Campbell | County of Clearwater | 30 | 0 | 0 |
| Sunnyside Park | County of Clearwater | 30 | 0 | 0 |
| Potlatch Corp Spike Camp | County of Clearwater | 30 | 0 | 0 |
| Wells Bench Water And Road | County of Clearwater | 28 | 0 | 0 |
| Cavendish School | County of Clearwater | 26 | 0 | 0 |
| Camp Band Mill | County of Clearwater | 25 | 0 | 0 |
| Usfs Apgar Creek Campground | County of Clearwater | 25 | 0 | 0 |
| Usfs Aquarius Campground | County of Clearwater | 25 | 0 | 0 |
| Usfs Hidden Creek Campground | County of Clearwater | 25 | 0 | 0 |
| Usfs Kelly Creek Old Station | County of Clearwater | 25 | 0 | 0 |
| Usfs Noe Creek Campground | County of Clearwater | 25 | 0 | 0 |
| Usfs Washington Creek Campground | County of Clearwater | 25 | 0 | 0 |
| Looking Glass Inc | County of Clearwater | 25 | 0 | 0 |
| Bald Mountain Ski Lodge | County of Clearwater | 25 | 0 | 0 |
| Judgetown Water And Sewer District | County of Clearwater | 25 | 0 | 0 |
| Deyo Reservoir Campgrounds | County of Clearwater | 25 | 0 | 0 |
| Usfs Kelly Forks Work Center Campground | County of Clearwater | 25 | 0 | 0 |
| Usfw Dworshak National Fish Hatchery | County of Clearwater | 25 | 0 | 0 |
| Corps Big Eddy Marina | County of Clearwater | 25 | 0 | 0 |
| Idpr Dworshak Three Meadows Grp Camp | County of Clearwater | 25 | 0 | 0 |
| Earl Applekamp | County of Clearwater | 25 | 0 | 0 |
| Earl Applekamp | County of Clearwater | 25 | 0 | 0 |
| Usfs Elk Summit Guard Station | County of Clearwater | 25 | 0 | 0 |
| Usfs Major Fenn Picnic Area | County of Clearwater | 25 | 0 | 0 |
| Usfs Mex Mountain Work Center | County of Clearwater | 25 | 0 | 0 |
| Usfs Whitesand Campground | County of Clearwater | 25 | 0 | 0 |
| Usfs Wild Goose Campground | County of Clearwater | 25 | 0 | 0 |
| Bruces Dairy | County of Clearwater | 25 | 0 | 0 |
| Homer Noah Trailer Court | County of Clearwater | 22 | 0 | 0 |
| Orofino 7th Day Adventist School | County of Clearwater | 20 | 0 | 0 |
| Usfw Kooskia National Fish Hatchery | County of Clearwater | 20 | 0 | 0 |
| Gene And Scotts Trailer Court | County of Clearwater | 20 | 0 | 0 |
| Deyo Marylou | County of Clearwater | 20 | 0 | 0 |
| Indian Creek Water Dist | County of Clearwater | 15 | 0 | 0 |
| Marina Addition Subd | County of Clearwater | 8 | 0 | 0 |
| Usfs Bungalow North Side Water | County of Clearwater | 4 | 0 | 0 |
| Usfs Weitas Station | County of Clearwater | 4 | 0 | 0 |
| Konkolville Water Company | County of Clearwater | 0 | 0 | 0 |
| Greer Tavern And Cafe | County of Clearwater | 0 | 0 | 0 |
| High Country Inn | County of Clearwater | 0 | 0 | 0 |