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Montgomery County, Mississippi — public water systems

At a glance

17 active public water systems are filed under Montgomery County, Mississippi in EPA's SDWIS records, together reporting 13,687 people served. The largest is City of Winona, which reports serving 5,071 people. All 17 are community water systems serving people where they live.

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

Active systems

17

Population served

13.7K

Community systems

17

Groundwater share

100%

How does Montgomery County compare with other Mississippi counties?

Montgomery County has the 19th-most active public water systems among the 98 counties listed for active Mississippi systems in EPA records; among the 82 with 3 or more systems, the median has 12. Its systems report 13,687 people served in total, the 60th-largest county figure in the state and 0.4% of the statewide total. The average system here reports serving 805 people, well below the Mississippi average of 2,832. 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 (13, 76%) and purchased groundwater (4, 24%). Overall, all rely mainly on groundwater (including purchased groundwater) and none on surface water, compared with 99% and 1.2% across Mississippi. Groundwater means the system draws its water from wells or springs fed by underground aquifers. The county's largest system, City of Winona, draws primarily on groundwater.

What kinds of water systems operate in Montgomery County?

Montgomery County's active systems break down as 17 community systems (100%). 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. EPA lists their owner types as public/private partnership (82%) and local government (18%).

Water systems in Montgomery County

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Active public water systems in Montgomery County, Mississippi
#Water systemCountyPopulation servedTypeSource
1City of WinonaMontgomery5,071CommunityGroundwater
2Town of KilmichaelMontgomery1,341CommunityGroundwater
3Town of Duck HillMontgomery924CommunityGroundwater
4South Winona Water AssociationMontgomery874CommunityGroundwater
5Hays Creek W/A-Minerva #2Montgomery750CommunityGroundwater
6Hays Creek W/A - AlvaMontgomery750CommunityGroundwater
7North District 1 Water Assn.Montgomery700CommunityGroundwater
8Poplar Creek Water AssociationMontgomery634CommunityGroundwater
9Hays Creek W/A-LodiMontgomery441CommunityGroundwater
1051-55 Water AssociationMontgomery441CommunityPurchased groundwater
11Hays Creek W/A-MinervaMontgomery372CommunityGroundwater
12Stewart Water AssociationMontgomery351CommunityGroundwater
13Eskridge Rose Hill Water AssociationMontgomery348CommunityGroundwater
14Stewart Water Assc #2Montgomery317CommunityGroundwater
15Hays Creek W/A-New LibertyMontgomery193CommunityPurchased groundwater
16Hays Creek W/A-Mission RoadMontgomery98CommunityPurchased groundwater
17Hays Creek W/A-Legion Lake RdMontgomery82CommunityPurchased groundwater

Montgomery County water systems: frequently asked questions

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

EPA's SDWIS records file 17 active public water systems under Montgomery County, Mississippi: 17 community systems (100%).

Who supplies drinking water in Montgomery County, MS?

The largest community water systems filed under Montgomery County are City of Winona (5,071 people served), Town of Kilmichael (1,341 people served) and Town of Duck Hill (924 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 17 active public water systems in Montgomery County, all draw mainly on groundwater and none on surface water, counting purchased supplies. The largest system, City of Winona, 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. 17 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 Mississippi 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, Mississippi”, https://aquacensus.com/water-systems/mississippi/montgomery (data as of October 1, 2026).