Public water system · LA1063030
ActiveMagnolia - Killian
At a glance
Magnolia - Killian (PWSID LA1063030) is an active community water system in Livingston Parish County, Missouri. It reports serving 999 people through 333 service connections. Its primary water source is groundwater, and EPA lists it as owned by a local government. Of the 12 most recent violations in EPA's records, 6 are health-based, and the most recent began in October 2024.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
999
Service connections
333
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Magnolia - Killian compare with other water systems in Livingston Parish County?
By EPA's size categories, Magnolia - Killian is a small system (501 to 3,300 people). Livingston Parish County has 5 active public water systems, and Magnolia - Killian is the largest of them by population served. Its population served is about 167% above the county average of 374 people per system, and accounts for 53% 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 - Killian 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 - Killian?
EPA lists Magnolia - Killian as owned by a local government. 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. 2 of the 5 active systems in Livingston Parish County (40%) are also owned by a local government.
Does Magnolia - Killian have drinking water violations?
Of the 12 most recent violations in EPA's records, 6 are health-based, and the most recent began in October 2024. The violations listed here began between February 2013 and October 2024. By type: 6 required treatment not met, 4 public notice, recordkeeping or other and 2 monitoring and reporting. The contaminant or rule involved most often is Groundwater Rule (5 of them). EPA lists 7 as resolved and 5 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 |
|---|---|---|---|---|
| 2024-10-17 | Required treatment not metLSL Inventory · code 2E | Lead and Copper Rule Revisionscode 5200 | Yes | Resolved |
| 2024-07-01 | Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71 | Consumer Confidence Rulecode 7000 | No | Resolved |
| 2024-06-08 | Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75 | Public Noticecode 7500 | No | Unaddressed |
| 2024-01-09 | Required treatment not metFailure To Address Deficiency · code 45 | Groundwater Rulecode 0700 | Yes | Unaddressed |
| 2024-01-09 | Required treatment not metFailure To Address Deficiency · code 45 | Groundwater Rulecode 0700 | Yes | Unaddressed |
| 2022-07-01 | Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71 | Consumer Confidence Rulecode 7000 | No | Resolved |
| 2022-03-25 | Monitoring and reportingLead Consumer Notice · code 66 | Lead and Copper Rulecode 5000 | No | Unaddressed |
| 2021-10-30 | Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75 | Public Noticecode 7500 | No | Resolved |
| 2021-08-27 | Required treatment not metFailure To Address Deficiency · code 45 | Groundwater Rulecode 0700 | Yes | Unaddressed |
| 2021-08-27 | Required treatment not metFailure To Address Deficiency · code 45 | Groundwater Rulecode 0700 | Yes | Resolved |
| 2019-01-26 | Monitoring and reportingLead Consumer Notice · code 66 | Lead and Copper Rulecode 5000 | No | Resolved |
| 2013-02-03 | Required treatment not metFailure To Address Deficiency · code 45 | Groundwater Rulecode 0700 | Yes | 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.
Magnolia - Killian: frequently asked questions
Who runs Magnolia - Killian?
Magnolia - Killian (PWSID LA1063030) is a community water system owned by a local government. It is regulated by the LA state drinking water program.
How many people does Magnolia - Killian serve?
Magnolia - Killian reports serving 999 people through 333 service connections in Livingston Parish County, Missouri.
Where does Magnolia - Killian 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 - Killian have any drinking water violations?
Of the 12 most recent violations in EPA's records, 6 are health-based, and the most recent began in October 2024. 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 - Killian'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, 6 are health-based, and the most recent began in October 2024. 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 - Killian's water quality report?
As a community water system, Magnolia - Killian 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-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 |
| Magnolia-Highland Ridge | Livingston Parish | 80 | 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 - Killian, PWSID LA1063030, Missouri”, https://aquacensus.com/water-systems/missouri/magnolia-killian-la1063030 (data as of October 1, 2026).