Public water system · LA1103130
ActiveUtilities Inc. - Green Brier Water Supply
At a glance
Utilities Inc. - Green Brier Water Supply (PWSID LA1103130) is an active community water system in St. Tammany Parish County, Louisiana. It reports serving 2,250 people through 750 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's records list 11 violations for this system; 7 are health-based, and the most recent began in September 2021.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
2,250
Service connections
750
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Utilities Inc. - Green Brier Water Supply compare with other water systems in St. Tammany Parish County?
By EPA's size categories, Utilities Inc. - Green Brier Water Supply is a small system (501 to 3,300 people). St. Tammany Parish County has 170 active public water systems. Its population served is about 74% above the county average of 1,296 people per system, and accounts for 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 community water system reports serving 6,703 people, so Utilities Inc. - Green Brier Water Supply is about 66% 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 Utilities Inc. - Green Brier Water Supply?
EPA lists Utilities Inc. - Green Brier Water Supply 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. 127 of the 170 active systems in St. Tammany Parish County (75%) are also privately owned.
Does Utilities Inc. - Green Brier Water Supply have drinking water violations?
EPA's records list 11 violations for this system; 7 are health-based, and the most recent began in September 2021. The violations listed here began between March 1991 and September 2021. By type: 5 contaminant level above the legal limit, 4 monitoring and reporting and 2 required treatment not met. The contaminant or rule involved most often is Total coliform bacteria (TCR) (8 of them). EPA lists 8 as archived and 3 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 |
|---|---|---|---|---|
| 2021-09-06 | Required treatment not metFailure To Address Deficiency · code 45 | Groundwater Rulecode 0700 | Yes | Resolved |
| 2021-09-06 | Required treatment not metFailure To Address Deficiency · code 45 | Groundwater Rulecode 0700 | Yes | Resolved |
| 2013-10-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Archived |
| 2007-03-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Archived |
| 2005-07-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | 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 |
| 1994-05-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Archived |
| 1993-07-01 | Monitoring and reportingInitial Tap Sampling for Pb and Cu · code 51 | Lead and Copper Rulecode 5000 | No | Resolved |
| 1991-11-01 | Monitoring and reportingMonitoring, Repeat Major (TCR) · code 25 | Total coliform bacteria (TCR)code 3100 | No | Archived |
| 1991-09-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Archived |
| 1991-03-01 | Monitoring and reportingMonitoring, Repeat Major (TCR) · code 25 | 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.
Utilities Inc. - Green Brier Water Supply: frequently asked questions
Who runs Utilities Inc. - Green Brier Water Supply?
Utilities Inc. - Green Brier Water Supply (PWSID LA1103130) is a community water system privately owned. It is regulated by the LA state drinking water program.
How many people does Utilities Inc. - Green Brier Water Supply serve?
Utilities Inc. - Green Brier Water Supply reports serving 2,250 people through 750 service connections in St. Tammany Parish County, Louisiana.
Where does Utilities Inc. - Green Brier Water Supply 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 Utilities Inc. - Green Brier Water Supply have any drinking water violations?
EPA's records list 11 violations for this system; 7 are health-based, and the most recent began in September 2021. 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 Utilities Inc. - Green Brier Water Supply'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; 7 are health-based, and the most recent began in September 2021. For current results, consult the system's annual water quality report, EPA ECHO, or the LA state drinking water program.
Where can I find Utilities Inc. - Green Brier Water Supply's water quality report?
As a community water system, Utilities Inc. - Green Brier Water Supply 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 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, “Utilities Inc. - Green Brier Water Supply, PWSID LA1103130, Louisiana”, https://aquacensus.com/water-systems/louisiana/utilities-inc-green-brier-water-supply-la1103130 (data as of October 1, 2026).