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AquaCensus

South Dakota public water systems

699 active systems regulated under the Safe Drinking Water Act, serving a reported 969.2K people across 73 counties.

Dataset updated . Source: EPA SDWIS/ECHO, refreshed quarterly.

Active systems

699

Population served

969.2K

Community systems

510

Groundwater share

76.3%

System types in South Dakota

510

Community water system

16

Non-transient non-community water system

173

Transient non-community water system

Largest water systems in South Dakota

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The largest active public water systems in South Dakota by population served
#Water systemCountyPopulation servedTypeSource
1Sioux FallsMinnehaha216,462CommunitySurface water
2Rapid CityPennington72,009CommunitySurface water
3AberdeenBrown27,989CommunitySurface water
4Brookings Municipal UtilitiesBrookings23,377CommunityGroundwater
5Watertown Municipal UtilitiesCodington23,230CommunityGroundwater
6Web Water Development AssociationWalworth + 9 more20,750CommunitySurface water
7MitchellDavison15,651CommunityPurchased surface water
8YanktonYankton15,411CommunityGroundwater
9HuronBeadle14,263CommunityPurchased surface water
10PierreHughes14,091CommunitySurface water
11Box ElderPennington14,000CommunityGroundwater
12SpearfishLawrence13,803CommunityGroundwater
13Minnehaha Community Water CorpMinnehaha + 2 more13,435CommunityGroundwater
14By Water DistrictBon Homme + 6 more13,320CommunitySurface water
15Mid-Dakota Rural WaterHughes + 3 more11,833CommunitySurface water
16VermillionClay11,695CommunityGroundwater
17Rapid Valley Sanitary DistrictPennington11,408CommunitySurface water
18BrandonMinnehaha11,048CommunityGroundwater
19HarrisburgLincoln10,297CommunityPurchased groundwater
20Ellsworth AfbPennington9,100CommunityPurchased surface water
21Pine Ridge Water System—7,482CommunityGroundwater
22TeaLincoln7,381CommunityPurchased groundwater
23SturgisMeade7,020CommunityGroundwater
24Kyle Water System—6,526CommunityPurchased surface water
25Kingbrook I Rural Water SystemBrookings6,455CommunityPurchased groundwater

By county

Pennington150 systemsLawrence73 systemsMeade56 systemsCuster49 systemsBrown21 systemsMinnehaha15 systemsFall River13 systemsBrookings12 systemsRoberts11 systemsButte10 systemsSpink10 systemsLincoln9 systemsYankton9 systemsUnion8 systemsMarshall7 systemsBon Homme7 systemsKingsbury7 systemsClark7 systemsMoody7 systemsBeadle7 systemsHamlin6 systemsEdmunds6 systemsHughes6 systemsMcCook6 systemsDay6 systemsTurner6 systemsFaulk6 systemsCodington6 systemsCharles Mix6 systemsGrant5 systemsDewey5 systemsDouglas5 systemsLake5 systemsSanborn5 systemsGregory4 systemsDavison4 systemsHutchinson4 systemsPotter4 systemsClay4 systemsWalworth4 systemsAurora4 systemsPerkins3 systemsHanson3 systemsBrule3 systemsTripp3 systemsStanley3 systemsLyman3 systemsCorson3 systems
Wright2 systems
Haakon2 systems
Jerauld2 systems
Shannon2 systems
Miner2 systems
Deuel2 systems
McPherson2 systems
Campbell2 systems
Jackson2 systems
Hand2 systems
Kalamazoo1 systems
Van Buren1 systems
Crow Wing1 systems
Houston1 systems
Murray1 systems
Roseau1 systems
Williams1 systems
Harding1 systems
Ziebach1 systems
Hyde1 systems
Bennett1 systems
Jones1 systems
Sully1 systems
Mellette1 systems
Buffalo1 systems