We found 64 public water systems that could serve the same population as Lincoln County Rural Water System (ordered by population size).
| Name | Areas served | Population served | Contaminant count | Violation count |
|---|---|---|---|---|
| Sioux Falls | Sioux Falls | 173,300 | 81 | 4 |
| Suez Water | Harrisburg | 105,649 | 76 | 38 |
| Capital Region Water | Harrisburg | 66,540 | 16 | 46 |
| Suez Mechanicsburg | Harrisburg | 32,336 | 63 | 42 |
| Harrisburg, Town Of | Harrisburg | 15,164 | 60 | 24 |
| Harrisburg | Harrisburg | 9,551 | 0 | 2 |
| Lincoln County Rural Water System | Harrisburg, Sioux Falls | 5,788 | 0 | 1 |
| Harrisburg | Harrisburg | 5,000 | 0 | 7 |
| Tm Rural Water District | Parker, Sioux Falls | 3,825 | 0 | 3 |
| Cabarrus Woods/cambridge S/d | Harrisburg | 1,697 | 0 | 0 |
| Canterfield S/d | Harrisburg | 1,067 | 0 | 0 |
| Husets Speedway | Sioux Falls | 1,000 | 0 | 0 |
| Stallings Glen S/d | Harrisburg | 544 | 0 | 27 |
| Il Yth Cntr-harrisburg | Harrisburg | 510 | 0 | 0 |
| Camelot S/d | Harrisburg | 490 | 0 | 0 |
| Silver Maples Estates Mhp | Harrisburg | 484 | 0 | 51 |
| Heatherstone S/d | Harrisburg | 401 | 0 | 0 |
| Farmington Ridge S/d | Harrisburg | 345 | 0 | 0 |
| Pine Lake Hills | Sioux Falls | 320 | 0 | 21 |
| Rocky River Plantation S/d | Harrisburg | 297 | 0 | 77 |
| Marion Manor | Sioux Falls | 280 | 0 | 0 |
| Maples (the) | Harrisburg | 266 | 0 | 20 |
| Oak Estates S/d | Harrisburg | 259 | 0 | 38 |
| Middleton S/d | Harrisburg | 218 | 0 | 30 |
| Valley View Estates | Sioux Falls | 205 | 0 | 11 |
| Banner Co Dist #1 | Harrisburg | 200 | 0 | 0 |
| Susquehanna Twp. Authority | Harrisburg | 200 | 0 | 0 |
| Stones Throw Mhp | Harrisburg | 178 | 0 | 41 |
| Britley S/d | Harrisburg | 155 | 0 | 0 |
| Silverton S/d | Harrisburg | 152 | 0 | 22 |
| Charlotte Motor Speedway Condo | Harrisburg | 150 | 0 | 0 |
| Weeg's Trailer Court | Sioux Falls | 140 | 0 | 0 |
| Skyline Heights | Sioux Falls | 126 | 0 | 22 |
| Weatherstone S/d | Harrisburg | 120 | 0 | 0 |
| Camp Judson | Keystone, Sioux Falls | 110 | 0 | 0 |
| Morehead Road Wa Sup | Harrisburg | 100 | 0 | 0 |
| Black Hills Children's Home | Piedmont, Rapid City, Sioux Falls | 95 | 0 | 0 |
| Ver El Mhp | Harrisburg | 92 | 0 | 0 |
| Rocky River Acres | Harrisburg | 84 | 0 | 0 |
| Community Bapt Ch | Harrisburg | 75 | 0 | 0 |
| Mcmillian Acres S/d | Harrisburg | 71 | 0 | 0 |
| Brookdale Development | Harrisburg | 69 | 0 | 0 |
| Little Properties | Harrisburg | 58 | 0 | 0 |
| Paradise Water Company Llc | Lead, Sioux Falls | 55 | 0 | 0 |
| Rocky River Bapt Church | Harrisburg | 50 | 0 | 0 |
| Johnnie's Mhp | Harrisburg | 48 | 0 | 0 |
| Klein Ranch | Sioux Falls, Timber Lake | 45 | 0 | 0 |
| Thunderhead Episcopal Camp | Rapid City, Sioux Falls | 45 | 0 | 0 |
| Banner County All Around | Harrisburg | 41 | 0 | 0 |
| Winslow Ser & Groc | Harrisburg | 40 | 0 | 0 |
| Double L Country Store Llc | Harrisburg | 32 | 0 | 0 |
| Hendricks Motorsports No 3 | Harrisburg | 25 | 0 | 0 |
| River Park Lodge | Sioux Falls | 25 | 0 | 0 |
| Country Kitchen Catering | Harrisburg | 25 | 0 | 0 |
| Pine Grove Baptist Church | Harrisburg | 25 | 0 | 0 |
| Hendricks Motorsports No 1 | Harrisburg | 25 | 0 | 0 |
| Hendricks Motorsports No 2 | Harrisburg | 25 | 0 | 0 |
| Dj's Bar & Lounge | Sioux Falls | 25 | 0 | 0 |
| Grace Presbyterian Church | Harrisburg | 25 | 0 | 0 |
| New Harvest Foursquare Church | Harrisburg | 25 | 0 | 0 |
| Harrisburg Water System (old Pws) | Harrisburg | 25 | 0 | 0 |
| Wagon Wheel Campground | Sioux Falls | 25 | 0 | 0 |
| 38 Road House | Sioux Falls | 25 | 0 | 0 |
| Cedar Park Mhp | Harrisburg | 0 | 0 | 0 |