Public water system · LA1081005
ActiveHalfway-Carroll Water System
At a glance
Halfway-Carroll Water System (PWSID LA1081005) is an active community water system in Red River Parish County, Louisiana. It reports serving 498 people through 166 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's records list 10 violations for this system; 5 are health-based, and the most recent began in March 2020.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
498
Service connections
166
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Halfway-Carroll Water System compare with other water systems in Red River Parish County?
By EPA's size categories, Halfway-Carroll Water System is a very small system (500 people or fewer). Red River Parish County has 12 active public water systems. Its population served is about half of the county average of 1,034 people per system, and accounts for 4% of the 12,413 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 Halfway-Carroll 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 Halfway-Carroll Water System?
EPA lists Halfway-Carroll 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. 10 of the 12 active systems in Red River Parish County (83%) are also privately owned.
Does Halfway-Carroll Water System have drinking water violations?
EPA's records list 10 violations for this system; 5 are health-based, and the most recent began in March 2020. The violations listed here began between December 2004 and March 2020. By type: 5 contaminant level above the legal limit, 4 monitoring and reporting and 1 public notice, recordkeeping or other. The contaminant or rule involved most often is Total coliform bacteria (TCR) (5 of them). EPA lists 8 as resolved and 2 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 |
|---|---|---|---|---|
| 2020-03-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, E. coli (RTCR) · code 1A | Revised Total Coliform Rulecode 8000 | Yes | Resolved |
| 2016-04-20 | Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75 | Public Noticecode 7500 | No | Resolved |
| 2015-12-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Archived |
| 2013-01-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Chlorinecode 0999 | No | Resolved |
| 2010-01-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 2009-11-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 2007-10-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Total trihalomethanes (TTHM)code 2950 | No | Resolved |
| 2007-10-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Haloacetic acids (HAA5)code 2456 | No | Resolved |
| 2005-02-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 2004-12-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Archived |
All 10 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.
Halfway-Carroll Water System: frequently asked questions
Who runs Halfway-Carroll Water System?
Halfway-Carroll Water System (PWSID LA1081005) is a community water system privately owned. It is regulated by the LA state drinking water program.
How many people does Halfway-Carroll Water System serve?
Halfway-Carroll Water System reports serving 498 people through 166 service connections in Red River Parish County, Louisiana.
Where does Halfway-Carroll 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 Halfway-Carroll Water System have any drinking water violations?
EPA's records list 10 violations for this system; 5 are health-based, and the most recent began in March 2020. 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 Halfway-Carroll 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 10 violations for this system; 5 are health-based, and the most recent began in March 2020. For current results, consult the system's annual water quality report, EPA ECHO, or the LA state drinking water program.
Where can I find Halfway-Carroll Water System's water quality report?
As a community water system, Halfway-Carroll 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 Red River Parish County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Town of Coushatta Water System | Red River Parish | 3,300 | Community | Groundwater |
| Fairview Union Water System | Red River Parish | 2,346 | Community | Surface water |
| Bayou Pierre Water System | Red River Parish | 1,371 | Community | Groundwater |
| Martin Water System | Red River Parish | 1,350 | Community | Groundwater |
| Village of Hall Summit Water System | Red River Parish | 756 | Community | Groundwater |
| Social Springs Water System North | Red River Parish | 744 | 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, “Halfway-Carroll Water System, PWSID LA1081005, Louisiana”, https://aquacensus.com/water-systems/louisiana/halfway-carroll-water-system-la1081005 (data as of October 1, 2026).