Missouri Water Quality Reports

Comprehensive water quality data for 731 cities across Missouri. View EPA-verified contaminant levels and get filter recommendations.

731

Cities

11

Safe

389

Monitor

30

At Risk

21

Limited testing

280

No Test Data

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Missouri water quality ranking EPA-certified testing labs Water utilities in Missouri

Water Quality by County

Explore aggregated water quality scores across Missouri counties. Scores are calculated based on EPA data and weighted by population.

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Data from 430 cities serving 4,007,212 people across 98 counties.

Common Contaminants in Missouri

368 cities in Missouri have at least one contaminant above EPA health guidelines.

Bromodichloromethane(255 cities)Dichloroacetic Acid (DCA)(241 cities)Bromoform(91 cities)Radium, combined (-226 & -228)(83 cities)Gross Alpha Activity(67 cities)Gross Alpha (Excl. Radon and Uranium)(37 cities)

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Cities in Missouri

Champ

People Served1100K

211 results on file

Above Guidelines2

View Report →

Chesterfield

People Served1100K

211 results on file

Above Guidelines2

View Report →

Maryland Heights

People Served1100K

211 results on file

Above Guidelines2

View Report →

Kansas City

People Served514K

312 results on file

Above Guidelines2

View Report →

St. Louis

People Served305K

209 results on file

Above Guidelines3

View Report →

Springfield

People Served172K

202 results on file

Above Guidelines3

View Report →

Independence

People Served117K

130 results on file

Above Guidelines1

View Report →

Columbia

People Served101K

126 results on file

Above Guidelines3

View Report →

Huntsdale

People Served101K

126 results on file

Above Guidelines3

View Report →

McBaine

People Served101K

126 results on file

Above Guidelines3

View Report →

Augusta

People Served101K

202 results on file

Above Guidelines4

View Report →

Cottleville

People Served101K

202 results on file

Above Guidelines4

View Report →

Dardenne Prairie

People Served101K

202 results on file

Above Guidelines4

View Report →

Lake St. Louis

People Served101K

202 results on file

Above Guidelines4

View Report →

New Melle

People Served101K

202 results on file

Above Guidelines4

View Report →

Weldon Spring Heights

People Served101K

202 results on file

Above Guidelines4

View Report →

Lee's Summit

People Served99K

50 results on file

Above Guidelines2

View Report →

Lees Summit

People Served99K

50 results on file

Above Guidelines2

View Report →

St. Joseph

People Served77K

144 results on file

Above Guidelines2

View Report →

Joplin

People Served74K

207 results on file

Above Guidelines4

View Report →

Blue Springs

People Served54K

49 results on file

Above Guidelines2

View Report →

St. Peters

People Served53K

136 results on file

Above Guidelines3

View Report →

Wentzville

People Served42K

78 results on file

Above Guidelines3

View Report →

Cape Girardeau

People Served40K

174 results on file

Above Guidelines4

View Report →

Arnold

People Served36K

48 results on file

Above Guidelines2

View Report →

Barnhart

People Served36K

48 results on file

Above Guidelines2

View Report →

Imperial

People Served36K

48 results on file

Above Guidelines2

View Report →

Fort Leonard Wood

People Served34K

198 results on file

Above Guidelines2

View Report →

O'Fallon

People Served33K

196 results on file

Above Guidelines3

View Report →

Liberty

People Served31K

129 results on file

Above Guidelines2

View Report →

Jefferson City

People Served30K

200 results on file

Above Guidelines2

View Report →

Kirkwood

People Served28K

47 results on file

Above Guidelines2

View Report →

Gladstone

People Served27K

131 results on file

Above Guidelines4

View Report →

Nixa

People Served25K

23 contaminants listed, only PFAS results from EPA's UCMR 5 on file

Above Guidelines0

View Report →

Grandview

People Served25K

48 results on file

Above Guidelines2

View Report →

Belton

People Served24K

47 results on file

Above Guidelines2

View Report →

Ozark

People Served22K

180 results on file

Above Guidelines1

View Report →

Sedalia

People Served22K

194 results on file

Above Guidelines4

View Report →

Rolla

People Served21K

177 results on file

Above Guidelines2

View Report →

Warrensburg

People Served20K

146 results on file

Above Guidelines3

View Report →

Raymore

People Served20K

49 results on file

Above Guidelines2

View Report →

Farmington

People Served18K

188 results on file

Above Guidelines2

View Report →

Kirksville

People Served17K

194 results on file

Above Guidelines2

View Report →

Hannibal

People Served17K

192 results on file

Above Guidelines2

View Report →

Raytown

People Served17K

49 results on file

Above Guidelines2

View Report →

Poplar Bluff

People Served17K

194 results on file

Above Guidelines2

View Report →

High Ridge

People Served17K

193 results on file

Above Guidelines2

View Report →

Murphy

People Served17K

193 results on file

Above Guidelines2

View Report →

Parkdale

People Served17K

193 results on file

Above Guidelines2

View Report →

Sikeston

People Served16K

188 results on file

Above Guidelines2

View Report →

Republic

People Served16K

176 results on file

Above Guidelines0

View Report →

Jackson

People Served15K

193 results on file

Above Guidelines2

View Report →

Troy

People Served15K

23 contaminants listed, only PFAS results from EPA's UCMR 5 on file

Above Guidelines0

View Report →

Lebanon

People Served15K

196 results on file

Above Guidelines1

View Report →

Carthage

People Served15K

191 results on file

Above Guidelines0

View Report →

Washington

People Served14K

127 results on file

Above Guidelines1

View Report →

Chain of Rocks

People Served14K

181 results on file

Above Guidelines2

View Report →

Foley

People Served14K

181 results on file

Above Guidelines2

View Report →

Fountain N' Lakes

People Served14K

181 results on file

Above Guidelines2

View Report →

Old Monroe

People Served14K

181 results on file

Above Guidelines2

View Report →

Grain Valley

People Served14K

43 results on file

Above Guidelines2

View Report →

Marshall

People Served13K

130 results on file

Above Guidelines3

View Report →

Mexico

People Served13K

23 contaminants listed, only PFAS results from EPA's UCMR 5 on file

Above Guidelines0

View Report →

Webb City

People Served12K

169 results on file

Above Guidelines3

View Report →

Union

People Served12K

170 results on file

Above Guidelines1

View Report →

Neosho

People Served12K

202 results on file

Above Guidelines3

View Report →

Fulton

People Served12K

177 results on file

Above Guidelines3

View Report →

Moberly

People Served12K

194 results on file

Above Guidelines2

View Report →

Festus

People Served12K

67 results on file

Above Guidelines4

View Report →

West Plains

People Served12K

153 results on file

Above Guidelines3

View Report →

Branson

People Served11K

189 results on file

Above Guidelines4

View Report →

Clinton

People Served11K

165 results on file

Above Guidelines2

View Report →

Kennett

People Served11K

131 results on file

Above Guidelines4

View Report →

Excelsior Springs

People Served11K

129 results on file

Above Guidelines2

View Report →

Eureka

People Served11K

169 results on file

Above Guidelines2

View Report →

Maryville

People Served11K

186 results on file

Above Guidelines3

View Report →

Parkville

People Served11K

169 results on file

Above Guidelines1

View Report →

Smithville

People Served10K

176 results on file

Above Guidelines2

View Report →

Harrisonville

People Served10K

167 results on file

Above Guidelines2

View Report →

Kearney

People Served10K

123 results on file

Above Guidelines3

View Report →

Kimmswick

People Served10K

39 results on file

Above Guidelines2

View Report →

Cameron

People Served10K

166 results on file

Above Guidelines2

View Report →

Holts Summit

People Served10K

169 results on file

Above Guidelines3

View Report →

Carytown

People Served10K

167 results on file

Above Guidelines1

View Report →

Jerico Springs

People Served10K

167 results on file

Above Guidelines1

View Report →

Lamar Heights

People Served10K

167 results on file

Above Guidelines1

View Report →

Milford

People Served10K

167 results on file

Above Guidelines1

View Report →

Chillicothe

People Served10K

122 results on file

Above Guidelines3

View Report →

Battlefield

People Served9K

185 results on file

Above Guidelines2

View Report →

Monett

People Served9K

168 results on file

Above Guidelines1

View Report →

Lake Lotawana

People Served9K

39 results on file

Above Guidelines1

View Report →

Aurora

People Served9K

167 results on file

Above Guidelines1

View Report →

Park Hills

People Served9K

122 results on file

Above Guidelines3

View Report →

Willard

People Served8K

168 results on file

Above Guidelines0

View Report →

Oak Grove

People Served8K

39 results on file

Above Guidelines1

View Report →

Pleasant Hill

People Served8K

23 contaminants listed, only PFAS results from EPA's UCMR 5 on file

Above Guidelines0

View Report →

Gray Summit

People Served8K

167 results on file

Above Guidelines1

View Report →

Villa Ridge

People Served8K

167 results on file

Above Guidelines1

View Report →

Warrenton

People Served8K

23 contaminants listed, only PFAS results from EPA's UCMR 5 on file

Above Guidelines0

View Report →

Dexter

People Served8K

23 contaminants listed, only PFAS results from EPA's UCMR 5 on file

Above Guidelines0

View Report →

Showing top 100 of 731 cities by population.

Use the search box above to find any city in Missouri.

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