Lead pipes in South Dakota
South Dakota's 510 community water systems reported 2,081 lead and 618 galvanized-requiring-replacement service lines, plus 100,324 of unknown material. That ranks #43 among states for confirmed lead lines.
- Lead 0.6%
- Galvanized (replace) 0.2%
- Unknown 30%
- Non-lead 69%
0.8% of the service lines South Dakota utilities reported are lead or galvanized requiring replacement, well below the national share of 3.1%. 30% are still unidentified (national: 21%). The largest counts are in Aberdeen (1,128), Rapid City (305), Mitchell (219). 9 systems haven't reported counts yet.
Since 2025 Q1, reported lead and galvanized lines in South Dakota went from 3,079 to 2,699 (down 380). See which systems made the most progress.
Systems with confirmed lead lines (83)
| Water system | Lead | Galv. | Unknown | % lead |
|---|---|---|---|---|
| AberdeenAberdeen | 1,128 | 0 | 2,264 | 12% |
| Rapid CityRapid City | 106 | 199 | 1,194 | 1.3% |
| MitchellMitchell | 219 | 0 | 2,494 | 3.6% |
| HuronHuron | 151 | 0 | 1,474 | 2.7% |
| MobridgeMobridge | 1 | 90 | 64 | 5.0% |
| VermillionVermillion | 5 | 63 | 416 | 2.2% |
| BurkeBurke | 0 | 57 | 87 | 15% |
| Brookings Municipal UtilitiesBrookings | 45 | 0 | 639 | 0.5% |
| SalemSalem | 39 | 2 | 165 | 5.7% |
| Buffalo GapBuffalo Gap | 38 | 0 | 0 | 39% |
| SpearfishSpearfish | 7 | 30 | 1,412 | 0.8% |
| MennoMenno | 31 | 6 | 321 | 10% |
| Sioux FallsSioux Falls | 15 | 21 | 18,038 | <0.1% |
| BonesteelBonesteel | 0 | 33 | 0 | 16% |
| RedfieldRedfield | 27 | 0 | 9 | 2.3% |
| Lake AndesLake Andes | 25 | 0 | 22 | 7.6% |
| MillerMiller | 24 | 0 | 5 | 2.7% |
| Mount VernonMount Vernon | 22 | 2 | 1 | 11% |
| SturgisSturgis | 0 | 23 | 2,259 | 0.7% |
| TrippTripp | 23 | 0 | 331 | 6.5% |
| Clear LakeClear Lake | 11 | 6 | 378 | 2.8% |
| Kingbrook II Rural Water SystemArlington | 10 | 5 | 143 | 1.3% |
| Lake PrestonLake Preston | 14 | 1 | 1 | 4.1% |
| CorsicaCorsica | 2 | 12 | 211 | 4.2% |
| ScotlandScotland | 4 | 10 | 29 | 3.1% |
| TyndallTyndall | 13 | 0 | 10 | 2.1% |
| AlcesterAlcester | 10 | 2 | 399 | 2.9% |
| MilbankMilbank | 11 | 0 | 1,404 | 0.7% |
| HartfordHartford | 11 | 0 | 125 | 0.9% |
| Hill CityHill City | 0 | 11 | 10 | 2.1% |
| MontroseMontrose | 9 | 0 | 24 | 4.5% |
| IpswichIpswich | 7 | 0 | 3 | 1.5% |
| BowdleBowdle | 0 | 7 | 0 | 2.4% |
| SpringfieldSpringfield | 6 | 0 | 277 | 1.5% |
| AlexandriaAlexandria | 6 | 0 | 0 | 1.9% |
| CantonCanton | 0 | 5 | 1,408 | 0.4% |
| DolandDoland | 4 | 1 | 77 | 3.2% |
| ArmourArmour | 5 | 0 | 5 | 1.4% |
| Belle FourcheBelle Fourche | 4 | 0 | 641 | 0.2% |
| PlankintonPlankinton | 0 | 4 | 406 | 1.0% |
| WagnerWagner | 4 | 0 | 1 | 0.6% |
| OnidaOnida | 4 | 0 | 0 | 1.1% |
| VolgaVolga | 0 | 3 | 488 | 0.3% |
| DeadwoodDeadwood | 0 | 3 | 403 | 0.4% |
| Kingbrook I Rural Water SystemArlington | 3 | 0 | 317 | 0.1% |
| EurekaEureka | 3 | 0 | 163 | 1.8% |
| EganEgan | 0 | 3 | 119 | 2.5% |
| MarionMarion | 3 | 0 | 25 | 0.6% |
| HumboldtHumboldt | 2 | 1 | 7 | 1.1% |
| OelrichsOelrichs | 0 | 3 | 4 | 4.0% |
| HowardHoward | 3 | 0 | 0 | 0.6% |
| Mid-Dakota Rural WaterMiller | 2 | 0 | 1,714 | <0.1% |
| LeadLead | 0 | 2 | 1,343 | 0.1% |
| MadisonMadison | 2 | 0 | 71 | <0.1% |
| BryantBryant | 2 | 0 | 66 | 0.8% |
| HitchcockHitchcock | 2 | 0 | 40 | 2.9% |
| Whispering Pines Water AssociationRapid City | 0 | 2 | 12 | 11% |
| GarretsonGarretson | 0 | 2 | 4 | 0.4% |
| WentworthEgan | 0 | 2 | 0 | 2.0% |
| McIntoshMcIntosh | 2 | 0 | 0 | 1.7% |
| South Lincoln Rural Water SystemBeresford | 1 | 0 | 1,297 | <0.1% |
| ChamberlainChamberlain | 1 | 0 | 1,164 | <0.1% |
| Oglala RWS PipelinePine Ridge | 0 | 1 | 599 | 0.2% |
| TM Rural Water DistrictParker | 1 | 0 | 581 | <0.1% |
| Elk PointElk Point | 1 | 0 | 430 | <0.1% |
| BrittonBritton | 0 | 1 | 399 | 0.1% |
| CrooksCrooks | 0 | 1 | 385 | 0.2% |
| Kingbrook III Rural Water SystemArlington | 1 | 0 | 147 | <0.1% |
| WebsterWebster | 1 | 0 | 140 | <0.1% |
| CresbardCresbard | 1 | 0 | 109 | 0.9% |
| Hermosa-Old SystemHermosa | 0 | 1 | 99 | 0.3% |
| HerreidHerreid | 1 | 0 | 75 | 0.4% |
| Saint LawrenceMiller | 1 | 0 | 63 | 0.9% |
| Wounded Knee District SchoolManderson | 0 | 1 | 15 | 5.0% |
| KadokaKadoka | 1 | 0 | 10 | 0.3% |
| FaulktonFaulkton | 1 | 0 | 1 | 0.2% |
| NorthvilleNorthville | 1 | 0 | 1 | 1.5% |
| UticaGayville | 0 | 1 | 1 | 2.0% |
| Fort PierreFort Pierre | 1 | 0 | 0 | 0.1% |
| FreemanFreeman | 1 | 0 | 0 | 0.2% |
| BridgewaterBridgewater | 1 | 0 | 0 | 0.4% |
| WallaceWallace | 0 | 1 | 0 | 2.4% |
| WardWard | 1 | 0 | 0 | 3.4% |
No confirmed lead, but unknown lines remain (180)
| Water system | Lead | Galv. | Unknown | % lead |
|---|---|---|---|---|
| YanktonYankton | 0 | 0 | 5,730 | 0% |
| PierrePierre | 0 | 0 | 5,036 | 0% |
| Watertown Municipal UtilitiesWatertown | 0 | 0 | 3,368 | 0% |
| Web Water Development AssociationAberdeen | 0 | 0 | 2,655 | 0% |
| WinnerWinner | 0 | 0 | 1,684 | 0% |
| Hot SpringsHot Springs | 0 | 0 | 1,445 | 0% |
| Tripp County Water User DistrictHamill | 0 | 0 | 1,366 | 0% |
| FlandreauFlandreau | 0 | 0 | 1,331 | 0% |
| Brown-Day-Marshall RWSBritton | 0 | 0 | 1,240 | 0% |
| Randall Community Water DistrictLake Andes | 0 | 0 | 1,173 | 0% |
| LennoxLennox | 0 | 0 | 1,079 | 0% |
| BeresfordBeresford | 0 | 0 | 1,073 | 0% |
| BrandonBrandon | 0 | 0 | 1,031 | 0% |
| Clark Rural Water SystemClark | 0 | 0 | 1,026 | 0% |
| Pine Ridge Water SystemPine Ridge | 0 | 0 | 1,001 | 0% |
| Butte-Meade Swd-Bean WellNewell | 0 | 0 | 853 | 0% |
| SissetonSisseton | 0 | 0 | 776 | 0% |
| Tri-County Rural Water SystemEagle Butte | 0 | 0 | 764 | 0% |
| ParkstonParkston | 0 | 0 | 751 | 0% |
| GregoryGregory | 0 | 0 | 734 | 0% |
| De SmetDe Smet | 0 | 0 | 716 | 0% |
| PlattePlatte | 0 | 0 | 704 | 0% |
| Lower Brule Rural Water Supply SystemLower Brule | 0 | 0 | 546 | 0% |
| BalticBaltic | 0 | 0 | 517 | 0% |
| WoonsocketWoonsocket | 0 | 0 | 498 | 0% |
| EdgemontEdgemont | 0 | 0 | 489 | 0% |
| CentervilleCenterville | 0 | 0 | 483 | 0% |
| WR/LJ - Mni WiconiMurdo | 0 | 0 | 477 | 0% |
| Mission Water SystemMission | 0 | 0 | 472 | 0% |
| WhitewoodWhitewood | 0 | 0 | 409 | 0% |
| WallWall | 0 | 0 | 405 | 0% |
| Wessington SpringsWessington Springs | 0 | 0 | 377 | 0% |
| Northdale Sanitary DistrictBlack Hawk | 0 | 0 | 372 | 0% |
| Fall River WudOral | 0 | 0 | 341 | 0% |
| Lincoln County Rural Water SystemSioux Falls | 0 | 0 | 315 | 0% |
| AvonAvon | 0 | 0 | 315 | 0% |
| WaubayWaubay | 0 | 0 | 291 | 0% |
| KimballKimball | 0 | 0 | 273 | 0% |
| WilmotWilmot | 0 | 0 | 268 | 0% |
| Timber LakeTimber Lake | 0 | 0 | 267 | 0% |
| Chapel Lane Water CompanyRapid City | 0 | 0 | 260 | 0% |
| Box ElderBox Elder | 0 | 0 | 253 | 0% |
| DupreeDupree | 0 | 0 | 249 | 0% |
| AuroraAurora | 0 | 0 | 243 | 0% |
| CanistotaCanistota | 0 | 0 | 242 | 0% |
| HurleyHurley | 0 | 0 | 232 | 0% |
| BisonBison | 0 | 0 | 218 | 0% |
| IreneIrene | 0 | 0 | 216 | 0% |
| HeclaHecla | 0 | 0 | 216 | 0% |
| WolseyWolsey | 0 | 0 | 211 | 0% |
Showing 50. See all
No lead or unknown lines reported (22)
Systems serving 1,000 or more people. Systems without counts on file are listed as 0.
| Water system | Lead | Galv. | Unknown | % lead |
|---|---|---|---|---|
| Minnehaha Community Water CorpDell Rapids | 0 | 0 | 0 | 0% |
| By Water DistrictAvon | 0 | 0 | 0 | 0% |
| Ellsworth AFBEllsworth Afb | 0 | 0 | 0 | 0% |
| TeaTea | 0 | 0 | 0 | 0% |
| Big Sioux Community Water SystemEgan | 0 | 0 | 0 | 0% |
| Sicangu Mni Wiconi Rural Water SystemRosebud | 0 | 0 | 0 | – |
| Rosebud Rural Water SystemRosebud | 0 | 0 | 0 | – |
| Sioux Rural Water SystemGoodwin | 0 | 0 | 0 | 0% |
| Eagle ButteEagle Butte | 0 | 0 | 0 | 0% |
| Dakota Dunes CidDakota Dunes | 0 | 0 | 0 | 0% |
| Davison Rural Water System INCMitchell | 0 | 0 | 0 | 0% |
| Aurora-Brule Rural Water SystemKimball | 0 | 0 | 0 | 0% |
| St. FrancisRosebud | 0 | 0 | 0 | – |
| Wanblee EastPine Ridge | 0 | 0 | 0 | 0% |
| CusterCuster | 0 | 0 | 0 | 0% |
| White Horse Creek Water SystemPine Ridge | 0 | 0 | 0 | 0% |
| MartinMartin | 0 | 0 | 0 | 0% |
| Wolf Creek SchoolBatesland | 0 | 0 | 0 | 0% |
| Clay Rws/South UnionWakonda | 0 | 0 | 0 | 0% |
| Lakota Tech High SchoolBatesland | 0 | 0 | 0 | 0% |
| LemmonLemmon | 0 | 0 | 0 | 0% |
| ParkerParker | 0 | 0 | 0 | 0% |
Lead pipes in South Dakota cities
- Sioux Falls36 lead + galv. lines
- Rapid305 lead + galv. lines
- Aberdeen1,128 lead + galv. lines
- Brookings45 lead + galv. lines
- Watertown3,368 unknown
- Yankton5,730 unknown
- Mitchellno lead reported
- Huron151 lead + galv. lines
- Box Elder253 unknown
- Spearfish37 lead + galv. lines
- Pierre5,036 unknown
- Vermillion68 lead + galv. lines
- Brandon1,031 unknown
- Harrisburg183 unknown
- Teano lead reported
- Sturgis23 lead + galv. lines
- Madison2 lead + galv. lines
- Belle Fourche4 lead + galv. lines
- Dell Rapids3 unknown
- Hartfordno lead reported
- Milbank11 lead + galv. lines
- Mobridge91 lead + galv. lines
- North Siouxno lead reported
- Lead2 lead + galv. lines
- Summerset33 unknown
- Canton5 lead + galv. lines
- Winner1,684 unknown
- Lennox1,079 unknown
- Chamberlain1 lead + galv. lines
- Sisseton776 unknown
South Dakota lead pipe questions
How many lead pipes are in South Dakota?
South Dakota's community water systems reported 2,081 lead service lines and 618 galvanized lines that must be replaced, for 2,699 in total. Another 100,324 lines are of unknown material.
Which South Dakota water systems have the most lead pipes?
Aberdeen (1,128), Rapid City (305), Mitchell (219). Counts are lead plus galvanized-requiring-replacement lines.
What share of South Dakota service lines are lead?
0.8% of reported service lines in South Dakota are lead or galvanized requiring replacement, well below the national figure of 3.1%. 30% are still unknown, compared with 21% nationally.
How do I find out if my South Dakota home has a lead service line?
Search for your water system or ZIP code above, then open your utility's address-level inventory map. You can also check the pipe where it enters your home with a scratch and magnet test.
Source: EPA SDWIS service line inventory, 2026 Q3. Smaller systems with no lead or unknown lines are omitted. See also national rankings.