Lead pipes by county in Minnesota
Lead, galvanized and unknown service lines reported by the water systems serving each Minnesota county.
| County | Lead | Galv. | Unknown | Systems |
|---|
| Aitkin County | 6 | 11 | 158 | 3 |
| Anoka County | 2 | 394 | 8,991 | 16 |
| Becker County | 3 | 156 | 392 | 6 |
| Beltrami County | 0 | 226 | 253 | 4 |
| Benton County | 0 | 281 | 2 | 3 |
| Big Stone County | 1 | 82 | 770 | 4 |
| Blue Earth County | 243 | 99 | 3,812 | 10 |
| Brown County | 61 | 311 | 2,577 | 4 |
| Carlton County | 4 | 430 | 2,770 | 9 |
| Carver County | 74 | 80 | 3,421 | 11 |
| Cass County | 0 | 38 | 288 | 3 |
| Chippewa County | 10 | 8 | 229 | 3 |
| Chisago County | 18 | 120 | 4,084 | 10 |
| Clay County | 246 | 43 | 3,967 | 9 |
| Clearwater County | 0 | 28 | 170 | 3 |
| Cook County | 0 | 3 | 494 | 1 |
| Cottonwood County | 55 | 48 | 2,321 | 6 |
| Crow Wing County | 0 | 1,464 | 890 | 10 |
| Dakota County | 745 | 347 | 8,338 | 14 |
| Dodge County | 44 | 98 | 1,565 | 6 |
| Douglas County | 0 | 45 | 280 | 5 |
| Faribault County | 266 | 37 | 2,870 | 11 |
| Fillmore County | 26 | 240 | 2,301 | 11 |
| Freeborn County | 83 | 100 | 3,706 | 11 |
| Goodhue County | 88 | 739 | 3,989 | 8 |
| Grant County | 3 | 14 | 185 | 6 |
| Hennepin County | 38,365 | 504 | 26,420 | 37 |
| Houston County | 45 | 360 | 2,238 | 5 |
| Hubbard County | 3 | 192 | 314 | 3 |
| Isanti County | 8 | 41 | 282 | 3 |
| Itasca County | 25 | 87 | 4,221 | 12 |
| Jackson County | 9 | 9 | 2,322 | 4 |
| Kanabec County | 5 | 82 | 96 | 2 |
| Kandiyohi County | 12 | 167 | 2,759 | 11 |
| Kittson County | 2 | 20 | 1,105 | 6 |
| Koochiching County | 53 | 4 | 2,797 | 3 |
| Lac Qui Parle County | 15 | 27 | 368 | 4 |
| Lake County | 7 | 16 | 2,019 | 2 |
| Lake Of The Woods County | 1 | 1 | 85 | 1 |
| Le Sueur County | 85 | 63 | 1,778 | 7 |
| Lincoln County | 8 | 21 | 503 | 7 |
| Lyon County | 207 | 32 | 1,116 | 8 |
| Mahnomen County | 0 | 16 | 133 | 3 |
| Marshall County | 4 | 9 | 813 | 8 |
| Martin County | 292 | 255 | 2,820 | 9 |
| McLeod County | 65 | 308 | 3,742 | 9 |
| Meeker County | 2 | 288 | 2,225 | 7 |
| Mille Lacs County | 0 | 110 | 1,138 | 6 |
| Morrison County | 2 | 539 | 1,703 | 7 |
| Mower County | 36 | 130 | 3,816 | 13 |
| Murray County | 3 | 26 | 1,224 | 6 |
| Nicollet County | 96 | 84 | 51 | 6 |
| Nobles County | 17 | 82 | 646 | 8 |
| Norman County | 20 | 60 | 430 | 7 |
| Olmsted County | 260 | 294 | 3,413 | 6 |
| Otter Tail County | 372 | 256 | 1,886 | 13 |
| Pennington County | 44 | 50 | 1,830 | 4 |
| Pine County | 4 | 19 | 1,451 | 6 |
| Pipestone County | 50 | 81 | 1,283 | 5 |
| Polk County | 18 | 35 | 2,336 | 6 |
| Pope County | 8 | 56 | 1,346 | 4 |
| Ramsey County | 17,835 | 563 | 17,945 | 11 |
| Red Lake County | 4 | 14 | 372 | 3 |
| Redwood County | 154 | 81 | 1,739 | 13 |
| Renville County | 24 | 84 | 1,681 | 9 |
| Rice County | 931 | 164 | 1,315 | 8 |
| Rock County | 70 | 117 | 1,000 | 6 |
| Roseau County | 3 | 19 | 225 | 4 |
| Scott County | 24 | 47 | 2,414 | 7 |
| Sherburne County | 0 | 39 | 911 | 5 |
| Sibley County | 41 | 50 | 762 | 6 |
| St. Louis County | 5,897 | 1,069 | 15,038 | 25 |
| Stearns County | 17 | 1,819 | 2,704 | 23 |
| Steele County | 4 | 77 | 1,193 | 5 |
| Stevens County | 128 | 5 | 1,083 | 4 |
| Swift County | 30 | 107 | 1,762 | 5 |
| Todd County | 32 | 181 | 1,445 | 8 |
| Traverse County | 2 | 3 | 608 | 4 |
| Wabasha County | 1 | 424 | 2,143 | 8 |
| Wadena County | 1 | 410 | 223 | 3 |
| Waseca County | 68 | 51 | 2,195 | 3 |
| Washington County | 442 | 948 | 4,908 | 15 |
| Watonwan County | 2 | 13 | 1,190 | 6 |
| Wilkin County | 48 | 67 | 431 | 5 |
| Winona County | 2 | 2,819 | 1,206 | 8 |
| Wright County | 10 | 125 | 2,339 | 14 |
| Yellow Medicine County | 28 | 33 | 229 | 7 |
Systems serving several counties are counted in each. Source: EPA SDWIS service line inventory, 2026 Q3.