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AquaCensus

Minnesota public water systems

6,534 active systems regulated under the Safe Drinking Water Act, serving a reported 5.3M people across 119 counties.

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

Active systems

6,534

Population served

5.3M

Community systems

984

Groundwater share

98.2%

System types in Minnesota

984

Community water system

469

Non-transient non-community water system

5,081

Transient non-community water system

Largest water systems in Minnesota

The largest active public water systems in Minnesota by population served
#Water systemCountyPopulation servedTypeSource
1MinneapolisHennepin425,300CommunitySurface water
2Saint Paul Regional Water ServicesRamsey392,529CommunitySurface water
3RochesterOlmsted123,624CommunityGroundwater
4BloomingtonHennepin91,300CommunityPurchased surface water
5Brooklyn ParkHennepin89,995CommunityGroundwater
6DuluthSt. Louis86,859CommunitySurface water
7WoodburyWashington82,643CommunityGroundwater
8Maple GroveHennepin82,000CommunityGroundwater
9PlymouthHennepin76,546CommunityGroundwater
10Saint CloudStearns71,321CommunitySurface water
11BlaineAnoka70,220CommunityGroundwater
12EaganDakota68,223CommunityGroundwater
13LakevilleDakota67,300CommunityGroundwater
14Coon RapidsAnoka64,000CommunityGroundwater
15Eden PrairieHennepin63,726CommunityGroundwater
16BurnsvilleDakota61,747CommunitySurface water
17MinnetonkaHennepin54,474CommunityGroundwater
18EdinaHennepin53,494CommunityGroundwater
19Apple ValleyDakota50,300CommunityGroundwater
20Saint Louis ParkHennepin50,010CommunityGroundwater
21ShakopeeScott47,000CommunityGroundwater
22MoorheadClay44,583CommunitySurface water
23MankatoBlue Earth42,803CommunityGroundwater under influence of surface water
24Cottage GroveWashington39,712CommunityGroundwater
25RichfieldHennepin36,899CommunityGroundwater

By county

Crow Wing379 systemsSt. Louis358 systemsOtter Tail272 systemsCass250 systemsAnoka241 systemsItasca227 systemsStearns211 systemsHennepin201 systemsWashington193 systemsBeltrami184 systemsDouglas152 systemsHubbard142 systemsBecker141 systemsDakota134 systemsWright127 systemsAitkin122 systemsScott115 systemsPine110 systemsChisago106 systemsCook101 systemsMorrison96 systemsLake95 systemsMille Lacs91 systemsGoodhue90 systemsOlmsted81 systemsSherburne79 systemsWinona78 systemsCarlton76 systemsKandiyohi73 systemsTodd73 systemsIsanti69 systemsRice69 systemsBenton68 systemsCarver67 systemsLake of the Woods66 systemsBlue Earth64 systemsPolk61 systemsFillmore58 systemsFreeborn55 systemsMeeker55 systemsPope55 systemsMower54 systemsLe Sueur50 systemsWabasha49 systemsClay47 systemsHouston46 systemsWadena44 systemsRoseau42 systemsRamsey40 systemsMcLeod39 systemsKanabec35 systemsSteele35 systemsKoochiching33 systemsBrown32 systemsRedwood30 systemsClearwater29 systemsWaseca28 systemsRenville28 systemsFaribault27 systemsMurray27 systemsDodge26 systemsNicollet26 systemsLac qui Parle23 systemsMartin22 systemsPennington22 systemsGrant21 systemsNorman21 systemsStevens21 systemsSwift21 systemsChippewa20 systemsSibley20 systemsMahnomen18 systemsBig Stone17 systemsMarshall17 systemsLyon16 systemsNobles15 systemsJackson13 systemsYellow Medicine13 systemsWatonwan13 systemsRed Lake12 systemsPipestone12 systemsWilkin12 systemsTraverse12 systemsCottonwood11 systemsKittson8 systemsLincoln8 systemsRock8 systemsWill7 systemsRock Island5 systemsFulton4 systemsLivingston3 systems
Champaign2 systems
Adams2 systems
Winnebago2 systems
Kane2 systems
Luce1 systems
Weld1 systems
Carroll1 systems
Burnet1 systems
Grundy1 systems
Tazewell1 systems
Iroquois1 systems
Bond1 systems
McDonough1 systems
Coles1 systems
Warren1 systems
Ford1 systems
Lee1 systems
Peoria1 systems
Boone1 systems
Logan1 systems
Kankakee1 systems
Henry1 systems
Morgan1 systems
Ogle1 systems
Whiteside1 systems
DuPage1 systems
Chaffee1 systems
Richland1 systems