Public water system · LA1047002
ActiveIntracoastal Water System West
At a glance
Intracoastal Water System West (PWSID LA1047002) is an active community water system in Iberville Parish County, Louisiana. It reports serving 6,489 people through 2,155 service connections. Its primary water source is surface water, and EPA lists it as owned by a local government. Of the 12 most recent violations in EPA's records, 11 are health-based, and the most recent began in December 2023.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
6,489
Service connections
2,155
Primary source
SW
Surface water
System type
CWS
Community water system
System record
How does Intracoastal Water System West compare with other water systems in Iberville Parish County?
By EPA's size categories, Intracoastal Water System West is a medium system (3,301 to 10,000 people). Iberville Parish County has 13 active public water systems, and Intracoastal Water System West is the 3rd-largest of them by population served. Its population served is about 88% above the county average of 3,456 people per system, and accounts for 14% of the 44,927 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 Intracoastal Water System West is roughly in line with 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. Surface water means the system draws its water from rivers, lakes, streams or reservoirs. 53 Louisiana systems (4.7%) list surface water as their primary source.
Who owns and regulates Intracoastal Water System West?
EPA lists Intracoastal Water System West 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. 10 of the 13 active systems in Iberville Parish County (77%) are also owned by a local government.
Does Intracoastal Water System West have drinking water violations?
Of the 12 most recent violations in EPA's records, 11 are health-based, and the most recent began in December 2023. The violations listed here began between December 2022 and December 2023. By type: 6 required treatment not met, 5 contaminant level above the legal limit and 1 monitoring and reporting. The contaminant or rule involved most often is Interim Enhanced Surface Water Treatment Rule (6 of them). EPA lists 11 as resolved and 1 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 |
|---|---|---|---|---|
| 2023-12-01 | Required treatment not metSingle Turbidity Exceed (Enhanced SWTR) · code 43 | Interim Enhanced Surface Water Treatment Rulecode 0300 | Yes | Archived |
| 2023-07-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Haloacetic acids (HAA5)code 2456 | Yes | Resolved |
| 2023-04-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Total trihalomethanes (TTHM)code 2950 | Yes | Resolved |
| 2023-04-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Haloacetic acids (HAA5)code 2456 | Yes | Resolved |
| 2023-02-01 | Required treatment not metMonthly Turbidity Exceed (Enhanced SWTR) · code 44 | Interim Enhanced Surface Water Treatment Rulecode 0300 | Yes | Resolved |
| 2023-01-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Total trihalomethanes (TTHM)code 2950 | Yes | Resolved |
| 2023-01-01 | Required treatment not metSingle Turbidity Exceed (Enhanced SWTR) · code 43 | Interim Enhanced Surface Water Treatment Rulecode 0300 | Yes | Resolved |
| 2023-01-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Haloacetic acids (HAA5)code 2456 | Yes | Resolved |
| 2023-01-01 | Required treatment not metMonthly Turbidity Exceed (Enhanced SWTR) · code 44 | Interim Enhanced Surface Water Treatment Rulecode 0300 | Yes | Resolved |
| 2022-12-01 | Required treatment not metSingle Turbidity Exceed (Enhanced SWTR) · code 43 | Interim Enhanced Surface Water Treatment Rulecode 0300 | Yes | Resolved |
| 2022-12-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Chloritecode 1009 | No | Resolved |
| 2022-12-01 | Required treatment not metMonthly Turbidity Exceed (Enhanced SWTR) · code 44 | Interim Enhanced Surface Water Treatment Rulecode 0300 | 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.
Intracoastal Water System West: frequently asked questions
Who runs Intracoastal Water System West?
Intracoastal Water System West (PWSID LA1047002) is a community water system owned by a local government. It is regulated by the LA state drinking water program.
How many people does Intracoastal Water System West serve?
Intracoastal Water System West reports serving 6,489 people through 2,155 service connections in Iberville Parish County, Louisiana.
Where does Intracoastal Water System West get its water?
EPA SDWIS lists this system's primary water source as surface water. Surface water means the system draws its water from rivers, lakes, streams or reservoirs.
Does Intracoastal Water System West have any drinking water violations?
Of the 12 most recent violations in EPA's records, 11 are health-based, and the most recent began in December 2023. 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 Intracoastal Water System West'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, 11 are health-based, and the most recent began in December 2023. For current results, consult the system's annual water quality report, EPA ECHO, or the LA state drinking water program.
Where can I find Intracoastal Water System West's water quality report?
As a community water system, Intracoastal Water System West 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 Iberville Parish County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| City of Plaquemine Water System | Iberville Parish | 14,043 | Community | Groundwater |
| East Iberville Water System | Iberville Parish | 6,657 | Community | Purchased groundwater |
| Dow USA, La Division | Iberville Parish | 3,960 | Non-transient non-community | Surface water |
| Town of Maringouin | Iberville Parish | 3,300 | Community | Groundwater |
| Intracoastal Water System East | Iberville Parish | 2,940 | Community | Groundwater |
| Town of White Castle Water System | Iberville Parish | 2,550 | 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, “Intracoastal Water System West, PWSID LA1047002, Louisiana”, https://aquacensus.com/water-systems/louisiana/intracoastal-water-system-west-la1047002 (data as of October 1, 2026).