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Ozark County, Missouri — public water systems

At a glance

25 active public water systems are filed under Ozark County, Missouri in EPA's SDWIS records, together reporting 4,293 people served. The largest is Gainesville Pws, which reports serving 742 people. 5 are community water systems serving people where they live; the other 20 are non-community systems, such as schools, workplaces, campgrounds and gas stations with their own supply.

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

Active systems

25

Population served

4.3K

Community systems

5

Groundwater share

100%

How does Ozark County compare with other Missouri counties?

Ozark County has the 34th-most active public water systems among the 182 counties listed for active Missouri systems in EPA records; among the 132 with 3 or more systems, the median has 13. Its systems report 4,293 people served in total, the 110th-largest county figure in the state and less than 0.1% of the statewide total. The average system here reports serving 172 people, well below the Missouri average of 2,049. Population figures are what each system reports; people served by more than one system, such as a wholesaler and the town that buys from it, are counted by each.

Where does Ozark County's drinking water come from?

By primary water source, Ozark County's active systems draw on groundwater (25, 100%). Overall, all rely mainly on groundwater (including purchased groundwater) and none on surface water, compared with 92% and 8.1% across Missouri. Groundwater means the system draws its water from wells or springs fed by underground aquifers. The county's largest system, Gainesville Pws, draws primarily on groundwater.

What kinds of water systems operate in Ozark County?

Ozark County's active systems break down as 5 community systems (20%), 4 non-transient non-community systems (16%) and 16 transient non-community systems (64%). A community water system serves at least 15 connections used by year-round residents, or regularly serves at least 25 year-round residents. Homes, apartments and mobile-home parks are served by these. A non-transient non-community water system regularly serves at least 25 of the same people for more than six months a year, but not where they live. Schools, factories, office buildings and hospitals with their own supply are typical examples. A transient non-community water system serves places where people do not stay long, such as gas stations and campgrounds, and regularly serves at least 25 people a day for at least 60 days a year. EPA lists their owner types as private (60%), local government (20%) and federal government (20%).

Water systems in Ozark County

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Active public water systems in Ozark County, Missouri
#Water systemCountyPopulation servedTypeSource
1Gainesville PwsOzark742CommunityGroundwater
2Cloud 9 Ranch Club Inc.Ozark485Non-transient non-communityGroundwater
3Dora R Iii SchoolsOzark421Non-transient non-communityGroundwater
4Usace Pontiac Boat Dock Inc.Ozark400Transient non-communityGroundwater
5Rainbow Trout & Game RanchOzark331Non-transient non-communityGroundwater
6Bakersfield PwsOzark303CommunityGroundwater
7Theodosia Marina Resort Inc.Ozark275Transient non-communityGroundwater
8Ozark County Pwsd 1Ozark243CommunityGroundwater
9Pettit Canoe RentalOzark150Transient non-communityGroundwater
10Dawt Mill and CampgroundOzark150Transient non-communityGroundwater
11Roys StoreOzark100Transient non-communityGroundwater
12River of Life FarmOzark100Transient non-communityGroundwater
13Thornfield Elementary SchoolOzark85Non-transient non-communityGroundwater
14East Wind CommunityOzark73CommunityGroundwater
15Usfs Hammond CampOzark70Transient non-communityGroundwater
16Usfs North Fork Recreation AreaOzark70Transient non-communityGroundwater
17Sundown Water System Inc.Ozark60CommunityGroundwater
18Turkey Creek RanchOzark40Transient non-communityGroundwater
19Lost Woods Golf CourseOzark30Transient non-communityGroundwater
20Usace Norfork Udall Park 30Ozark30Transient non-communityGroundwater
21Ozark County Senior CenterOzark30Transient non-communityGroundwater
22Hitch N PostOzark30Transient non-communityGroundwater
23Sunburst RanchOzark25Transient non-communityGroundwater
24Millers Kountry StoreOzark25Transient non-communityGroundwater
25Usace Bullshoals Pontiac Park 135Ozark25Transient non-communityGroundwater

Ozark County water systems: frequently asked questions

How many public water systems are in Ozark County, Missouri?

EPA's SDWIS records file 25 active public water systems under Ozark County, Missouri: 5 community systems (20%), 4 non-transient non-community systems (16%) and 16 transient non-community systems (64%).

Who supplies drinking water in Ozark County, MO?

The largest community water systems filed under Ozark County are Gainesville Pws (742 people served), Bakersfield Pws (303 people served) and Ozark County Pwsd 1 (243 people served). Which system serves a particular address depends on its service area, which EPA's SDWIS records do not include; a water bill or the local utility can confirm it.

Does Ozark County's drinking water come from groundwater or surface water?

Of the 25 active public water systems in Ozark County, all draw mainly on groundwater and none on surface water, counting purchased supplies. The largest system, Gainesville Pws, uses groundwater.

Where can I find a water quality report for Ozark County?

Each community water system must deliver an annual water quality report, called a Consumer Confidence Report, to its customers by July 1, covering the previous calendar year. 5 community systems are filed under Ozark County, so the report to look for is the one from the system that supplies your address.

How can I check violations for a water system in Ozark County?

Open the system's profile from the list on this page. Each profile shows the most recent Safe Drinking Water Act violations in EPA's records, with plain-English labels and whether each one is resolved. For current compliance status, EPA ECHO is the primary source.

More Missouri water systems

About this data

Source: U.S. EPA Safe Drinking Water Information System (SDWIS) and SDWA violation records, via EPA ECHO, as published October 1, 2026 — AquaCensus refreshes it quarterly. See the methodology for how records are matched, cleaned and scored.

Cite as: AquaCensus, “Public water systems in Ozark County, Missouri”, https://aquacensus.com/water-systems/missouri/ozark (data as of October 1, 2026).