Public water system · LA1019109
ActiveThe Reserve Mhc Water System
At a glance
The Reserve Mhc Water System (PWSID LA1019109) is an active community water system in Calcasieu Parish County, Louisiana. It reports serving 159 people through 53 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's records list 11 violations for this system; 2 are health-based, and the most recent began in March 2014.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
159
Service connections
53
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does The Reserve Mhc Water System compare with other water systems in Calcasieu Parish County?
By EPA's size categories, The Reserve Mhc Water System is a very small system (500 people or fewer). Calcasieu Parish County has 72 active public water systems. Its population served is well below the county average of 2,962 people per system, and accounts for less than 0.1% of the 213,234 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 The Reserve Mhc 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 The Reserve Mhc Water System?
EPA lists The Reserve Mhc 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. 52 of the 72 active systems in Calcasieu Parish County (72%) are also privately owned.
Does The Reserve Mhc Water System have drinking water violations?
EPA's records list 11 violations for this system; 2 are health-based, and the most recent began in March 2014. The violations listed here began between July 1993 and March 2014. By type: 5 monitoring and reporting, 4 public notice, recordkeeping or other and 2 contaminant level above the legal limit. The contaminant or rule involved most often is Total coliform bacteria (TCR) (4 of them). EPA lists 8 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 |
|---|---|---|---|---|
| 2014-03-21 | Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75 | Public Noticecode 7500 | No | Resolved |
| 2013-01-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Total trihalomethanes (TTHM)code 2950 | No | Resolved |
| 2013-01-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Haloacetic acids (HAA5)code 2456 | No | Resolved |
| 2011-10-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 2003-07-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Archived |
| 2003-07-01 | Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71 | Consumer Confidence Rulecode 7000 | No | Resolved |
| 2000-07-01 | 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 |
| 1994-01-01 | Monitoring and reportingInitial Tap Sampling for Pb and Cu · code 51 | Lead and Copper Rulecode 5000 | No | Resolved |
| 1993-08-15 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Archived |
| 1993-07-15 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Archived |
All 11 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.
The Reserve Mhc Water System: frequently asked questions
Who runs The Reserve Mhc Water System?
The Reserve Mhc Water System (PWSID LA1019109) is a community water system privately owned. It is regulated by the LA state drinking water program.
How many people does The Reserve Mhc Water System serve?
The Reserve Mhc Water System reports serving 159 people through 53 service connections in Calcasieu Parish County, Louisiana.
Where does The Reserve Mhc 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 The Reserve Mhc Water System have any drinking water violations?
EPA's records list 11 violations for this system; 2 are health-based, and the most recent began in March 2014. 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 The Reserve Mhc 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 11 violations for this system; 2 are health-based, and the most recent began in March 2014. For current results, consult the system's annual water quality report, EPA ECHO, or the LA state drinking water program.
Where can I find The Reserve Mhc Water System's water quality report?
As a community water system, The Reserve Mhc 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 Calcasieu Parish County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| City of Lake Charles Water System | Calcasieu Parish | 79,500 | Community | Groundwater |
| Sulphur City of Water System | Calcasieu Parish | 24,489 | Community | Groundwater |
| Calcasieu Parish Ww District No 1 | Calcasieu Parish | 20,837 | Community | Groundwater |
| Calcasieu Parish Ww Dist 9 Carlyss | Calcasieu Parish | 14,502 | Community | Groundwater |
| Houston River Waterworks District 11 | Calcasieu Parish | 6,915 | Community | Groundwater |
| Calcasieu Parish Ww District 8 | Calcasieu Parish | 6,834 | 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, “The Reserve Mhc Water System, PWSID LA1019109, Louisiana”, https://aquacensus.com/water-systems/louisiana/the-reserve-mhc-water-system-la1019109 (data as of October 1, 2026).