Public water system · MS0380117
ActiveSouthwest Lauderdale W/A
At a glance
Southwest Lauderdale W/A (PWSID MS0380117) is an active community water system in Lauderdale County, Mississippi. It reports serving 2,724 people through 650 service connections. Its primary water source is groundwater, and EPA lists it as under public/private ownership. Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in February 2025.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
2,724
Service connections
650
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Southwest Lauderdale W/A compare with other water systems in Lauderdale County?
By EPA's size categories, Southwest Lauderdale W/A is a small system (501 to 3,300 people). Lauderdale County has 14 active public water systems. Its population served is about half of the county average of 5,715 people per system, and accounts for 3.4% of the 80,013 people reported by systems filed under the county. Across Mississippi, the 1,133 active systems average 2,832 people each. Nationally, the average active community water system reports serving 6,703 people, so Southwest Lauderdale W/A is about 59% 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. Mississippi has 947 active community water systems, 84% of the state's 1,133 active systems. Groundwater means the system draws its water from wells or springs fed by underground aquifers. 1,053 Mississippi systems (93%) list groundwater as their primary source.
Who owns and regulates Southwest Lauderdale W/A?
EPA lists Southwest Lauderdale W/A as under public/private ownership. The MS state drinking water program is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act. 10 of the 14 active systems in Lauderdale County (71%) are also under public/private ownership.
Does Southwest Lauderdale W/A have drinking water violations?
Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in February 2025. The violations listed here began between October 2012 and February 2025. By type: 11 monitoring and reporting and 1 public notice, recordkeeping or other. The contaminant or rule involved most often is Nitrate-Nitrite (2 of them). EPA lists 11 as resolved and 1 as unaddressed. Resolved means at least one resolving action is on record: the system returned to compliance, the rule no longer applies, or no further action was needed. Unaddressed means the violation is not resolved or archived and is not yet covered by formal enforcement.
| Began | Violation | Contaminant or rule | Health-based | Status |
|---|---|---|---|---|
| 2025-02-01 | Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75 | Public Noticecode 7500 | No | Resolved |
| 2024-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitrate-Nitritecode 1038 | No | Resolved |
| 2024-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitritecode 1041 | No | Resolved |
| 2024-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitrate-Nitritecode 1038 | No | Resolved |
| 2024-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitritecode 1041 | No | Resolved |
| 2024-01-01 | Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52 | Lead and Copper Rulecode 5000 | No | Unaddressed |
| 2024-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitratecode 1040 | No | Resolved |
| 2024-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitratecode 1040 | No | Resolved |
| 2023-01-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Total trihalomethanes (TTHM)code 2950 | No | Resolved |
| 2012-10-01 | Monitoring and reportingMonitoring, Regular · code 03 | Radium-226code 4020 | No | Resolved |
| 2012-10-01 | Monitoring and reportingMonitoring, Regular · code 03 | Radium-228code 4030 | No | Resolved |
| 2012-10-01 | Monitoring and reportingMonitoring, Regular · code 03 | Radium-228code 4030 | No | Resolved |
The 12 most recent violations in EPA's records, newest first. Labels and codes come from EPA's SDWIS reference tables. A monitoring or reporting violation means a required test or report was missed or late; it does not by itself mean a contaminant was found. "Health-based" marks violations of a legal limit or required treatment.
Southwest Lauderdale W/A: frequently asked questions
Who runs Southwest Lauderdale W/A?
Southwest Lauderdale W/A (PWSID MS0380117) is a community water system under public/private ownership. It is regulated by the MS state drinking water program.
How many people does Southwest Lauderdale W/A serve?
Southwest Lauderdale W/A reports serving 2,724 people through 650 service connections in Lauderdale County, Mississippi.
Where does Southwest Lauderdale W/A 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 Southwest Lauderdale W/A have any drinking water violations?
Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in February 2025. A monitoring or reporting violation means a required test or report was missed or late; it does not by itself mean a contaminant was found.
Is Southwest Lauderdale W/A'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. Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in February 2025. For current results, consult the system's annual water quality report, EPA ECHO, or the MS state drinking water program.
Where can I find Southwest Lauderdale W/A's water quality report?
As a community water system, Southwest Lauderdale W/A 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 Lauderdale County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| City of Meridian | Lauderdale | 34,466 | Community | Groundwater |
| North Lauderdale W/A, Inc. | Lauderdale | 10,544 | Community | Groundwater |
| Nts Utility Association | Lauderdale | 5,103 | Community | Groundwater |
| Clarkdale Water Assn # 1 | Lauderdale | 4,500 | Community | Groundwater |
| Long Creek Water Assn #2 | Lauderdale | 3,977 | Community | Groundwater |
| Toomsuba Water Association | Lauderdale | 3,828 | 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, “Southwest Lauderdale W/A, PWSID MS0380117, Mississippi”, https://aquacensus.com/water-systems/mississippi/southwest-lauderdale-w-a-ms0380117 (data as of October 1, 2026).