What does 'people served' mean?

People served refers to the total population that receives water service from the utility. This number represents the estimated number of residents within the utility's service area.

Why are utilities listed by city?

Utilities are listed by their primary city of operation to help users find water services in their local area. Some utilities may serve multiple cities or unincorporated areas within a region.

How can I get more details about a utility?

Click on any utility name or the 'View Profile' button to access the full utility profile page, which includes detailed information, contact details, and compliance data.

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Drinking Water Utilities in Missouri

Q: How many drinking water utilities are in Missouri?

Missouri has 80 drinking water utilities serving more than 10,000 people listed in this directory.

Browse utilities serving more than 10,000 people by location and population served.

Utilities listed

Total people served

4,050,015

Largest utility

Missouri American St. Louis County & St. Charles County

1,100,000 people

Coverage

100%

with population data

Missouri has 80 drinking water utilities serving more than 10,000 people in this directory. The largest utility by population served is Missouri American St. Louis County & St. Charles County, serving 1,100,000 people. Utilities are listed with their city location and population served.

People Served:

01,100,000

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Utility Name	City	People Served	Action
Missouri American St. Louis County & St. Charles County	Chesterfield	1,100,000	View Profile
Kansas City	Kansas City	513,800	View Profile
St. Louis City	St Louis	304,709	View Profile
Springfield	Springfield	172,025	View Profile
Columbia	Columbia	126,254	View Profile
Independence	Independence	117,084	View Profile
St. Charles County PWSD 2	O Fallon	100,587	View Profile
Lees Summit	Lees Summit	99,400	View Profile
MO American St. Joseph	St Joseph	77,000	View Profile
Missouri American - Joplin	Joplin	73,728	View Profile
St. Charles	St Charles	73,040	View Profile
Blue Springs	Blue Springs	54,395	View Profile
St. Peters	St Peters	52,575	View Profile
Wentzville	Wentzville	41,784	View Profile
University of Missouri Columbia	Columbia	40,000	View Profile
Cape Girardeau	Cape Girardeau	39,941	View Profile
Jefferson County Cons. PWSD C 1	Barnhart	36,000	View Profile
Fort Leonard Wood	Ft Leonard Wood	34,000	View Profile
O'Fallon	O Fallon	32,515	View Profile
Liberty	Liberty	31,167	View Profile
Missouri American Jefferson City District	Jefferson City	30,075	View Profile
Kirkwood	Kirkwood	28,000	View Profile
Gladstone	Gladstone	27,365	View Profile
Boone County Cons. PWSD1	Columbia	24,700	View Profile
Nixa	Nixa	24,532	View Profile
Jackson County PWSD1	Grandview	24,500	View Profile
Belton	Belton	23,598	View Profile
Ozark	Ozark	22,000	View Profile
Sedalia	Sedalia	22,000	View Profile
Rolla	Rolla	20,800	View Profile
Missouri American Warrensburg	Warrensburg	20,473	View Profile
Jefferson County PWSD1	Arnold	20,000	View Profile
Raymore	Raymore	19,767	View Profile
Farmington	Farmington	18,217	View Profile
Kirksville	Kirksville	17,304	View Profile
Hannibal	Hannibal	17,108	View Profile
Raytown Water Company	Raytown	17,066	View Profile
Poplar Bluff	Poplar Bluff	17,043	View Profile
Jefferson County PWSD 3	Arnold	17,000	View Profile
Jefferson County PWSD 2	High Ridge	16,548	View Profile
Jackson County PWSD 2	Raytown	16,425	View Profile
Sikeston	Sikeston	16,291	View Profile
Republic	Republic	16,100	View Profile
Grain Valley	Grain Valley	16,000	View Profile
Jackson	Jackson	15,481	View Profile
Boone County PWSD 9	Columbia	15,035	View Profile
Lebanon	Lebanon	14,932	View Profile
Carthage	Carthage	14,600	View Profile
Washington	Washington	14,068	View Profile
Lincoln County PWSD 1	Winfield	14,000	View Profile

Showing 1 to 50 of 80 utilities

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Top Drinking Water Utilities in Missouri by Population Served

Frequently Asked Questions

Definitions

People served: Total population supplied with water by the utility system.
Drinking water utility: A public water system that provides potable (safe to drink) water to residential and commercial customers through a distribution network.