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Lamar County, Mississippi — public water systems

At a glance

11 active public water systems are filed under Lamar County, Mississippi in EPA's SDWIS records, together reporting 63,678 people served. The largest is West Lamar Water Assn #1, which reports serving 18,491 people. 10 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

11

Population served

63.7K

Community systems

10

Groundwater share

100%

How does Lamar County compare with other Mississippi counties?

Lamar County has the 47th-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 63,678 people served in total, the 14th-largest county figure in the state and 2% of the statewide total. The average system here reports serving 5,789 people, about twice 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 Lamar County's drinking water come from?

By primary water source, Lamar County's active systems draw on groundwater (10, 91%) and purchased groundwater (1, 9.1%). 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, West Lamar Water Assn #1, draws primarily on groundwater.

What kinds of water systems operate in Lamar County?

Lamar County's active systems break down as 10 community systems (91%) and 1 non-transient non-community systems (9.1%). 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 (55%), local government (36%) and private (9.1%).

Water systems in Lamar County

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Active public water systems in Lamar County, Mississippi
#Water systemCountyPopulation servedTypeSource
1West Lamar Water Assn #1Lamar18,491CommunityGroundwater
2North Lamar Water AssociationLamar12,778CommunityGroundwater
3Lamar Park Water & Sewage AssnLamar7,714CommunityGroundwater
4Progress Comm Water AssnLamar7,017CommunityGroundwater
5Arnold Line Water AssociationLamar6,600CommunityGroundwater
6North Lumberton Utility AssnLamar4,071CommunityGroundwater
7City of PurvisLamar2,590CommunityGroundwater
8Town of SumrallLamar1,998CommunityGroundwater
9City of LumbertonLamar1,896CommunityGroundwater
10East Lowndes Water Association, Inc..Lamar459CommunityPurchased groundwater
11R D Morrow Power PlantLamar64Non-transient non-communityGroundwater

Lamar County water systems: frequently asked questions

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

EPA's SDWIS records file 11 active public water systems under Lamar County, Mississippi: 10 community systems (91%) and 1 non-transient non-community systems (9.1%).

Who supplies drinking water in Lamar County, MS?

The largest community water systems filed under Lamar County are West Lamar Water Assn #1 (18,491 people served), North Lamar Water Association (12,778 people served) and Lamar Park Water & Sewage Assn (7,714 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 Lamar County's drinking water come from groundwater or surface water?

Of the 11 active public water systems in Lamar County, all draw mainly on groundwater and none on surface water, counting purchased supplies. The largest system, West Lamar Water Assn #1, uses groundwater.

Where can I find a water quality report for Lamar 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. 10 community systems are filed under Lamar 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 Lamar 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 Lamar County, Mississippi”, https://aquacensus.com/water-systems/mississippi/lamar (data as of October 1, 2026).