Public water system · IL0030020
ActiveSouthwater Inc.
At a glance
Southwater Inc. (PWSID IL0030020) is an active community water system in Alexander County, Illinois. It reports serving 2,185 people through 950 service connections. Its primary water source is groundwater, and EPA lists it as owned by a local government. EPA's Safe Drinking Water Act records list no violations for this system.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
2,185
Service connections
950
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Southwater Inc. compare with other water systems in Alexander County?
By EPA's size categories, Southwater Inc. is a small system (501 to 3,300 people). Alexander County has 6 active public water systems, and Southwater Inc. is the largest of them by population served. Its population served is about 74% above the county average of 1,258 people per system, and accounts for 29% of the 7,545 people reported by systems filed under the county. Across Illinois, the 3,872 active systems average 3,204 people each. Nationally, the average active community water system reports serving 6,703 people, so Southwater Inc. is well below that figure.
What does “community water system” mean?
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. Illinois has 1,773 active community water systems, 46% of the state's 3,872 active systems. Groundwater means the system draws its water from wells or springs fed by underground aquifers. 2,808 Illinois systems (73%) list groundwater as their primary source.
Who owns and regulates Southwater Inc.?
EPA lists Southwater Inc. as owned by a local government. The IL state drinking water program is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act. 5 of the 6 active systems in Alexander County (83%) are also owned by a local government.
Does Southwater Inc. have drinking water violations?
No SDWA violations on record.
EPA's SDWA violation and enforcement data (via EPA ECHO, updated quarterly) lists no violations for Southwater Inc.. For the latest compliance status, check EPA ECHO for current compliance history.
Southwater Inc.: frequently asked questions
Who runs Southwater Inc.?
Southwater Inc. (PWSID IL0030020) is a community water system owned by a local government. It is regulated by the IL state drinking water program.
How many people does Southwater Inc. serve?
Southwater Inc. reports serving 2,185 people through 950 service connections in Alexander County, Illinois.
Where does Southwater Inc. get its water?
EPA SDWIS lists this system's primary water source as groundwater. Groundwater means the system draws its water from wells or springs fed by underground aquifers.
Does Southwater Inc. have any drinking water violations?
EPA's Safe Drinking Water Act records list no violations for this system.
Is Southwater Inc.'s water safe to drink?
AquaCensus shows EPA compliance records, not current water test results, so it cannot say whether the water is safe at a given moment. EPA's Safe Drinking Water Act records list no violations for this system. For current results, consult the system's annual water quality report, EPA ECHO, or the IL state drinking water program.
Where can I find Southwater Inc.'s water quality report?
As a community water system, Southwater Inc. must deliver an annual water quality report, called a Consumer Confidence Report, to its customers by July 1 each year, covering the previous calendar year. The system can provide a copy on request.
Other water systems in Alexander County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Il American-Cairo | Alexander | 1,821 | Community | Groundwater |
| Central Alexander Cnty PWD | Alexander | 1,763 | Community | Purchased groundwater |
| Mcclure-East Cape PWD | Alexander | 910 | Community | Purchased groundwater |
| Tamms | Alexander | 653 | Community | Purchased groundwater |
| Thebes | Alexander | 213 | Community | Groundwater |
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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, “Southwater Inc., PWSID IL0030020, Illinois”, https://aquacensus.com/water-systems/illinois/southwater-inc-il0030020 (data as of October 1, 2026).