Public water system · LA2103356
ActiveLacombe-Mandeville Headstart
At a glance
Lacombe-Mandeville Headstart (PWSID LA2103356) is an active non-transient non-community water system in St. Tammany Parish County, Louisiana. It reports serving 130 people through 1 service connection. Its primary water source is groundwater, and EPA lists it as owned by a state government. Of the 12 most recent violations in EPA's records, 3 are health-based, and the most recent began in February 2026.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
130
Service connections
1
Primary source
GW
Groundwater
System type
NTNCWS
Non-transient non-community water system
System record
How does Lacombe-Mandeville Headstart compare with other water systems in St. Tammany Parish County?
By EPA's size categories, Lacombe-Mandeville Headstart is a very small system (500 people or fewer). St. Tammany Parish County has 170 active public water systems. Its population served is well below the county average of 1,296 people per system, and accounts for less than 0.1% of the 220,311 people reported by systems filed under the county. Across Louisiana, the 1,121 active systems average 4,685 people each. Nationally, the average active non-transient non-community water system reports serving 430 people, so Lacombe-Mandeville Headstart is well below that figure.
What does “non-transient non-community water system” mean?
A non-transient non-community water system regularly serves at least 25 of the same people for more than six months a year, but not where they live. Schools, factories, office buildings and hospitals with their own supply are typical examples. Louisiana has 125 active non-transient non-community water systems, 11% 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 Lacombe-Mandeville Headstart?
EPA lists Lacombe-Mandeville Headstart as owned by a state 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. 5 of the 170 active systems in St. Tammany Parish County (2.9%) are also owned by a state government.
Does Lacombe-Mandeville Headstart have drinking water violations?
Of the 12 most recent violations in EPA's records, 3 are health-based, and the most recent began in February 2026. The violations listed here began between January 2017 and February 2026. By type: 5 monitoring and reporting, 3 required treatment not met, 3 public notice, recordkeeping or other and 1 reporting. The contaminant or rule involved most often is Lead and Copper Rule (5 of them). EPA lists 7 as unaddressed and 5 as resolved. Unaddressed means the violation is not resolved or archived and is not yet covered by formal enforcement. 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 |
|---|---|---|---|---|
| 2026-02-13 | Required treatment not metFailure To Address Deficiency · code 45 | Groundwater Rulecode 0700 | Yes | Unaddressed |
| 2026-02-13 | Required treatment not metFailure To Address Deficiency · code 45 | Groundwater Rulecode 0700 | Yes | Unaddressed |
| 2026-02-12 | Monitoring and reportingLead Consumer Notice · code 66 | Lead and Copper Rulecode 5000 | No | Resolved |
| 2025-02-22 | Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75 | Public Noticecode 7500 | No | Unaddressed |
| 2024-10-17 | ReportingLSL Reporting · code 4G | Lead and Copper Rule Revisionscode 5200 | No | Resolved |
| 2024-10-17 | Required treatment not metLSL Inventory · code 2E | Lead and Copper Rule Revisionscode 5200 | Yes | Resolved |
| 2024-10-01 | Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52 | Lead and Copper Rulecode 5000 | No | Resolved |
| 2022-01-22 | Monitoring and reportingLead Consumer Notice · code 66 | Lead and Copper Rulecode 5000 | No | Unaddressed |
| 2021-02-21 | Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75 | Public Noticecode 7500 | No | Unaddressed |
| 2020-10-01 | Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52 | Lead and Copper Rulecode 5000 | No | Resolved |
| 2017-01-18 | Monitoring and reportingLead Consumer Notice · code 66 | Lead and Copper Rulecode 5000 | No | Unaddressed |
| 2017-01-07 | Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75 | Public Noticecode 7500 | No | Unaddressed |
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.
Lacombe-Mandeville Headstart: frequently asked questions
Who runs Lacombe-Mandeville Headstart?
Lacombe-Mandeville Headstart (PWSID LA2103356) is a non-transient non-community water system owned by a state government. It is regulated by the LA state drinking water program.
How many people does Lacombe-Mandeville Headstart serve?
Lacombe-Mandeville Headstart reports serving 130 people through 1 service connection in St. Tammany Parish County, Louisiana.
Where does Lacombe-Mandeville Headstart 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 Lacombe-Mandeville Headstart have any drinking water violations?
Of the 12 most recent violations in EPA's records, 3 are health-based, and the most recent began in February 2026. 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 Lacombe-Mandeville Headstart'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, 3 are health-based, and the most recent began in February 2026. For current results, consult EPA ECHO, or the LA state drinking water program.
Where can I find Lacombe-Mandeville Headstart's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Lacombe-Mandeville Headstart is a non-transient non-community water system, so it is not required to publish one; like every public water system, it must notify the people it serves about violations under EPA's public notification rules.
Other water systems in St. Tammany Parish County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Slidell Water Supply | St. Tammany Parish | 35,547 | Community | Groundwater |
| St Tam Parish- Bedico -Faubourg-Coquille | St. Tammany Parish | 18,372 | Community | Groundwater |
| St Tam Parish - Briarwood Terrace | St. Tammany Parish | 17,536 | Community | Groundwater |
| City of Covington Water Supply | St. Tammany Parish | 16,185 | Community | Groundwater |
| City of Mandeville Water Supply | St. Tammany Parish | 13,000 | Community | Groundwater |
| Utilities Inc. - North Park Water Supply | St. Tammany Parish | 11,298 | 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, “Lacombe-Mandeville Headstart, PWSID LA2103356, Louisiana”, https://aquacensus.com/water-systems/louisiana/lacombe-mandeville-headstart-la2103356 (data as of October 1, 2026).