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Monroe County, Mississippi — public water systems

At a glance

13 active public water systems are filed under Monroe County, Mississippi in EPA's SDWIS records, together reporting 41,263 people served. The largest is City of Amory, which reports serving 9,350 people. 12 are community water systems serving people where they live; the other 1 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

13

Population served

41.3K

Community systems

12

Groundwater share

92.3%

How does Monroe County compare with other Mississippi counties?

Monroe County has the 38th-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 41,263 people served in total, the 18th-largest county figure in the state and 1.3% of the statewide total. The average system here reports serving 3,174 people, about 12% above 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 Monroe County's drinking water come from?

By primary water source, Monroe County's active systems draw on groundwater (12, 92%) and purchased surface water (1, 7.7%). Overall, 92% rely mainly on groundwater (including purchased groundwater) and 7.7% 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 Amory, draws primarily on groundwater.

What kinds of water systems operate in Monroe County?

Monroe County's active systems break down as 12 community systems (92%) and 1 non-transient non-community systems (7.7%). 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. EPA lists their owner types as public/private partnership (54%), local government (38%) and private (7.7%).

Water systems in Monroe County

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Active public water systems in Monroe County, Mississippi
#Water systemCountyPopulation servedTypeSource
1City of AmoryMonroe9,350CommunityGroundwater
2Town of AberdeenMonroe7,783CommunityGroundwater
3Cason Water AssociationMonroe4,570CommunityPurchased surface water
4Hamilton Water DistrictMonroe4,029CommunityGroundwater
5Quincy Water Association #1Monroe3,519CommunityGroundwater
6Wren W/AMonroe3,068CommunityGroundwater
7Town of SmithvilleMonroe2,062CommunityGroundwater
8Town of HatleyMonroe1,962CommunityGroundwater
9Quincy Water Association #2Monroe1,246CommunityGroundwater
10Gaines-Trace Water AssociationMonroe1,214CommunityGroundwater
11Coontail Water AssociationMonroe1,170CommunityGroundwater
12Village of GattmanMonroe790CommunityGroundwater
13TronoxMonroe500Non-transient non-communityGroundwater

Monroe County water systems: frequently asked questions

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

EPA's SDWIS records file 13 active public water systems under Monroe County, Mississippi: 12 community systems (92%) and 1 non-transient non-community systems (7.7%).

Who supplies drinking water in Monroe County, MS?

The largest community water systems filed under Monroe County are City of Amory (9,350 people served), Town of Aberdeen (7,783 people served) and Cason Water Association (4,570 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 Monroe County's drinking water come from groundwater or surface water?

Of the 13 active public water systems in Monroe County, 92% draw mainly on groundwater and 7.7% on surface water, counting purchased supplies. The largest system, City of Amory, uses groundwater.

Where can I find a water quality report for Monroe 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. 12 community systems are filed under Monroe 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 Monroe 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 Monroe County, Mississippi”, https://aquacensus.com/water-systems/mississippi/monroe (data as of October 1, 2026).