Public water system · LA1063087
ActiveMagnolia-Highland Ridge
At a glance
Magnolia-Highland Ridge (PWSID LA1063087) is an active community water system in Livingston Parish County, Missouri. It reports serving 80 people through 15 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's records list 6 violations for this system; 3 are health-based, and the most recent began in January 2013.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
80
Service connections
15
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Magnolia-Highland Ridge compare with other water systems in Livingston Parish County?
By EPA's size categories, Magnolia-Highland Ridge is a very small system (500 people or fewer). Livingston Parish County has 5 active public water systems, and Magnolia-Highland Ridge is the 5th-largest of them by population served. Its population served is well below the county average of 374 people per system, and accounts for 4.3% of the 1,868 people reported by systems filed under the county. Across Missouri, the 2,943 active systems average 2,049 people each. Nationally, the average active community water system reports serving 6,703 people, so Magnolia-Highland Ridge 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. Missouri has 1,612 active community water systems, 55% of the state's 2,943 active systems. Groundwater means the system draws its water from wells or springs fed by underground aquifers. 2,521 Missouri systems (86%) list groundwater as their primary source.
Who owns and regulates Magnolia-Highland Ridge?
EPA lists Magnolia-Highland Ridge 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. 3 of the 5 active systems in Livingston Parish County (60%) are also privately owned.
Does Magnolia-Highland Ridge have drinking water violations?
EPA's records list 6 violations for this system; 3 are health-based, and the most recent began in January 2013. The violations listed here began between June 1994 and January 2013. By type: 3 monitoring and reporting and 3 contaminant level above the legal limit. The contaminant or rule involved most often is Total coliform bacteria (TCR) (4 of them). EPA lists 4 as archived and 2 as resolved. 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. 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.
| Began | Violation | Contaminant or rule | Health-based | Status |
|---|---|---|---|---|
| 2013-01-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Haloacetic acids (HAA5)code 2456 | No | Resolved |
| 2013-01-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Total trihalomethanes (TTHM)code 2950 | No | Resolved |
| 1999-04-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Archived |
| 1994-09-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Archived |
| 1994-08-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Archived |
| 1994-06-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Archived |
All 6 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.
Magnolia-Highland Ridge: frequently asked questions
Who runs Magnolia-Highland Ridge?
Magnolia-Highland Ridge (PWSID LA1063087) is a community water system privately owned. It is regulated by the LA state drinking water program.
How many people does Magnolia-Highland Ridge serve?
Magnolia-Highland Ridge reports serving 80 people through 15 service connections in Livingston Parish County, Missouri.
Where does Magnolia-Highland Ridge 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 Magnolia-Highland Ridge have any drinking water violations?
EPA's records list 6 violations for this system; 3 are health-based, and the most recent began in January 2013. 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 Magnolia-Highland Ridge'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 6 violations for this system; 3 are health-based, and the most recent began in January 2013. For current results, consult the system's annual water quality report, EPA ECHO, or the LA state drinking water program.
Where can I find Magnolia-Highland Ridge's water quality report?
As a community water system, Magnolia-Highland Ridge 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 Livingston Parish County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Magnolia - Killian | Livingston Parish | 999 | Community | Groundwater |
| Magnolia-Lakeside East | Livingston Parish | 324 | Community | Purchased groundwater |
| Magnolia-River Pines Plantation | Livingston Parish | 300 | Community | Groundwater |
| Magnolia-Riverscape @ Clio Sub | Livingston Parish | 165 | 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, “Magnolia-Highland Ridge, PWSID LA1063087, Missouri”, https://aquacensus.com/water-systems/missouri/magnolia-highland-ridge-la1063087 (data as of October 1, 2026).