Shelby County, Tennessee — public water systems
At a glance
10 active public water systems are filed under Shelby County, Tennessee in EPA's SDWIS records, together reporting 823,454 people served. The largest is Memphis Light, Gas, & Water, which reports serving 659,500 people. 6 are community water systems serving people where they live; the other 4 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
10
Population served
823.5K
Community systems
6
Groundwater share
100%
How does Shelby County compare with other Tennessee counties?
Shelby County has the 33rd-most active public water systems among the 323 counties listed for active Tennessee systems in EPA records; among the 152 with 3 or more systems, the median has 6. Its systems report 823,454 people served in total, the 2nd-largest county figure in the state and 10% of the statewide total. The average system here reports serving 82,345 people, about 14 times the Tennessee average of 5,780. 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 Shelby County's drinking water come from?
By primary water source, Shelby County's active systems draw on groundwater (10, 100%). Overall, all rely mainly on groundwater (including purchased groundwater) and none on surface water, compared with 80% and 20% across Tennessee. Groundwater means the system draws its water from wells or springs fed by underground aquifers. The county's largest system, Memphis Light, Gas, & Water, draws primarily on groundwater.
What kinds of water systems operate in Shelby County?
Shelby County's active systems break down as 6 community systems (60%), 1 non-transient non-community systems (10%) and 3 transient non-community systems (30%). 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 local government (50%), private (40%) and federal government (10%).
Water systems in Shelby County
🔒 Create a free account to export CSV| # | Water system | County | Population served | Type | Source |
|---|---|---|---|---|---|
| 1 | Memphis Light, Gas, & Water | Shelby | 659,500 | Community | Groundwater |
| 2 | Bartlett Water System | Shelby | 57,129 | Community | Groundwater |
| 3 | Collierville Water Dept | Shelby | 51,972 | Community | Groundwater |
| 4 | Germantown Water Dept | Shelby | 37,738 | Community | Groundwater |
| 5 | Millington Water Dept | Shelby | 8,935 | Community | Groundwater |
| 6 | Nsa - Midsouth | Shelby | 7,000 | Community | Groundwater |
| 7 | Blues City Brewery, LLC | Shelby | 800 | Non-transient non-community | Groundwater |
| 8 | Dollar General #20464 - Houston | Shelby | 220 | Transient non-community | Groundwater |
| 9 | Casper Creek Rv Park | Shelby | 80 | Transient non-community | Groundwater |
| 10 | Dollar General #22545 - Port Jefferson | Shelby | 80 | Transient non-community | Groundwater |
Shelby County water systems: frequently asked questions
How many public water systems are in Shelby County, Tennessee?
EPA's SDWIS records file 10 active public water systems under Shelby County, Tennessee: 6 community systems (60%), 1 non-transient non-community systems (10%) and 3 transient non-community systems (30%).
Who supplies drinking water in Shelby County, TN?
The largest community water systems filed under Shelby County are Memphis Light, Gas, & Water (659,500 people served), Bartlett Water System (57,129 people served) and Collierville Water Dept (51,972 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 Shelby County's drinking water come from groundwater or surface water?
Of the 10 active public water systems in Shelby County, all draw mainly on groundwater and none on surface water, counting purchased supplies. The largest system, Memphis Light, Gas, & Water, uses groundwater.
Where can I find a water quality report for Shelby 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. 6 community systems are filed under Shelby 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 Shelby 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 Tennessee 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 Shelby County, Tennessee”, https://aquacensus.com/water-systems/tennessee/shelby (data as of October 1, 2026).