Skip to content
AquaCensus

Montgomery County, Missouri — public water systems

At a glance

29 active public water systems are filed under Montgomery County, Missouri in EPA's SDWIS records, together reporting 12,943 people served. The largest is Montgomery Co Pwsd 1, which reports serving 3,850 people. 16 are community water systems serving people where they live; the other 13 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

29

Population served

12.9K

Community systems

16

Groundwater share

96.6%

How does Montgomery County compare with other Missouri counties?

Montgomery County has the 26th-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 12,943 people served in total, the 68th-largest county figure in the state and 0.2% of the statewide total. The average system here reports serving 446 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 Montgomery County's drinking water come from?

By primary water source, Montgomery County's active systems draw on groundwater (26, 90%), purchased groundwater (2, 6.9%) and purchased surface water (1, 3.4%). Overall, 97% rely mainly on groundwater (including purchased groundwater) and 3.4% 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, Montgomery Co Pwsd 1, draws primarily on groundwater.

What kinds of water systems operate in Montgomery County?

Montgomery County's active systems break down as 16 community systems (55%), 1 non-transient non-community systems (3.4%) and 12 transient non-community systems (41%). 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 (55%), local government (38%) and state government (6.9%).

Water systems in Montgomery County

🔒 Create a free account to export CSV
Active public water systems in Montgomery County, Missouri
#Water systemCountyPopulation servedTypeSource
1Montgomery Co Pwsd 1Montgomery + 1 more3,850CommunityGroundwater
2Montgomery City PwsMontgomery2,811CommunityGroundwater
3Wellsville PwsMontgomery1,210CommunityPurchased surface water
4New Florence PwsMontgomery769CommunityGroundwater
5Jonesburg PwsMontgomery768CommunityGroundwater
6Bellflower PwsMontgomery350CommunityGroundwater
7Heritage Oaks SubdivisionMontgomery330CommunityGroundwater
8High Hill PwsMontgomery300CommunityGroundwater
9Montgomery County Pwsd 1 JonesburgMontgomery300CommunityPurchased groundwater
10Texas Landing Utilities DeerwoodMontgomery234CommunityGroundwater
11Graham Cave State Park CampgroundMontgomery200Transient non-communityGroundwater
12J D Streett 170Montgomery200Transient non-communityGroundwater
13Reds GasMontgomery200Transient non-communityGroundwater
14Texas Landing Utilities Goode CityMontgomery168CommunityGroundwater
15Middletown PwsMontgomery167CommunityGroundwater
16Rhineland PwsMontgomery150CommunityGroundwater
17New Florence Wood ProductsMontgomery150Non-transient non-communityGroundwater
18Dollar General MagnoliaMontgomery150Transient non-communityGroundwater
19Roy L UtilitiesMontgomery150CommunityGroundwater
20Vista Verde Water SystemsMontgomery111CommunityGroundwater
21Endless Summer WineryMontgomery100Transient non-communityGroundwater
22LDS LitchfieldMontgomery60Transient non-communityGroundwater
23Loutre Shore Country ClubMontgomery50Transient non-communityGroundwater
24Hickory Ridge CampgroundMontgomery40Transient non-communityGroundwater
25Loutre MarketMontgomery30Transient non-communityGroundwater
26Dollar General ConroeMontgomery25Transient non-communityGroundwater
27Graham Cave State Park OfficeMontgomery25Transient non-communityGroundwater
28Lazy Day CampgroundMontgomery25Transient non-communityGroundwater
29Montgomery County Pwsd 1 Montgomery CityMontgomery20CommunityPurchased groundwater

Also serving Montgomery County

These systems serve several counties, including Montgomery County. EPA lists another county first for them, so they are not included in the counts above.

Multi-county water systems that also serve Montgomery County, Missouri
Water systemCountyPopulation servedTypeSource
Monroe County Pwsd 2Audrain + 2 more6,700CommunityPurchased surface water

Montgomery County water systems: frequently asked questions

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

EPA's SDWIS records file 29 active public water systems under Montgomery County, Missouri: 16 community systems (55%), 1 non-transient non-community systems (3.4%) and 12 transient non-community systems (41%). At least 1 more system is listed under another county but also serve Montgomery County.

Who supplies drinking water in Montgomery County, MO?

The largest community water systems filed under Montgomery County are Montgomery Co Pwsd 1 (3,850 people served), Montgomery City Pws (2,811 people served) and Wellsville Pws (1,210 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 Montgomery County's drinking water come from groundwater or surface water?

Of the 29 active public water systems in Montgomery County, 97% draw mainly on groundwater and 3.4% on surface water, counting purchased supplies. The largest system, Montgomery Co Pwsd 1, uses groundwater.

Where can I find a water quality report for Montgomery 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. 16 community systems are filed under Montgomery 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 Montgomery 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 Montgomery County, Missouri”, https://aquacensus.com/water-systems/missouri/montgomery (data as of October 1, 2026).