Public water system · LA1031012
ActiveRambin-Wallace Water System
At a glance
Rambin-Wallace Water System (PWSID LA1031012) is an active community water system in De Soto Parish County, Louisiana. It reports serving 1,161 people through 387 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's records list 9 violations for this system; 4 are health-based, and the most recent began in January 2017.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
1,161
Service connections
387
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Rambin-Wallace Water System compare with other water systems in De Soto Parish County?
By EPA's size categories, Rambin-Wallace Water System is a small system (501 to 3,300 people). De Soto Parish County has 12 active public water systems. Its population served is about 60% below the county average of 2,896 people per system, and accounts for 3.3% of the 34,752 people reported by systems filed under the county. Across Louisiana, the 1,121 active systems average 4,685 people each. Nationally, the average active community water system reports serving 6,703 people, so Rambin-Wallace Water System 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. Louisiana has 815 active community water systems, 73% of the state's 1,121 active systems. Groundwater means the system draws its water from wells or springs fed by underground aquifers. 966 Louisiana systems (86%) list groundwater as their primary source.
Who owns and regulates Rambin-Wallace Water System?
EPA lists Rambin-Wallace Water System as privately owned. The LA state drinking water program is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act. 8 of the 12 active systems in De Soto Parish County (67%) are also privately owned.
Does Rambin-Wallace Water System have drinking water violations?
EPA's records list 9 violations for this system; 4 are health-based, and the most recent began in January 2017. The violations listed here began between October 1995 and January 2017. By type: 4 contaminant level above the legal limit, 3 monitoring and reporting and 2 public notice, recordkeeping or other. The contaminant or rule involved most often is Total coliform bacteria (TCR) (4 of them). EPA lists 6 as resolved and 3 as archived. 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. Archived means the violation was not marked resolved but is more than five years past the end of the noncompliance period, so it no longer counts toward current compliance status.
| Began | Violation | Contaminant or rule | Health-based | Status |
|---|---|---|---|---|
| 2017-01-05 | Monitoring and reportingLead Consumer Notice · code 66 | Lead and Copper Rulecode 5000 | No | Resolved |
| 2014-09-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Total trihalomethanes (TTHM)code 2950 | No | Resolved |
| 2014-09-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Haloacetic acids (HAA5)code 2456 | No | Resolved |
| 2014-07-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 2002-06-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Archived |
| 2001-07-01 | Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71 | Consumer Confidence Rulecode 7000 | No | Resolved |
| 1999-10-19 | Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71 | Consumer Confidence Rulecode 7000 | No | Resolved |
| 1997-08-15 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Archived |
| 1995-10-15 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Archived |
All 9 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.
Rambin-Wallace Water System: frequently asked questions
Who runs Rambin-Wallace Water System?
Rambin-Wallace Water System (PWSID LA1031012) is a community water system privately owned. It is regulated by the LA state drinking water program.
How many people does Rambin-Wallace Water System serve?
Rambin-Wallace Water System reports serving 1,161 people through 387 service connections in De Soto Parish County, Louisiana.
Where does Rambin-Wallace Water System 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 Rambin-Wallace Water System have any drinking water violations?
EPA's records list 9 violations for this system; 4 are health-based, and the most recent began in January 2017. 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 Rambin-Wallace Water System'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 records list 9 violations for this system; 4 are health-based, and the most recent began in January 2017. For current results, consult the system's annual water quality report, EPA ECHO, or the LA state drinking water program.
Where can I find Rambin-Wallace Water System's water quality report?
As a community water system, Rambin-Wallace Water System 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 De Soto Parish County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| North Desoto Water System | De Soto Parish | 7,608 | Community | Groundwater |
| City of Mansfield Water System | De Soto Parish | 7,512 | Community | Surface water |
| Desoto Parish Water Works District 1 | De Soto Parish | 7,173 | Community | Surface water |
| Keatchie Water System | De Soto Parish | 4,446 | Community | Groundwater |
| Town of Logansport Water System | De Soto Parish | 2,448 | Community | Surface water |
| East Desoto Water System | De Soto Parish | 1,455 | 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, “Rambin-Wallace Water System, PWSID LA1031012, Louisiana”, https://aquacensus.com/water-systems/louisiana/rambin-wallace-water-system-la1031012 (data as of October 1, 2026).