Public water system · LA1047005
ActiveCity of Plaquemine Water System
At a glance
City of Plaquemine Water System (PWSID LA1047005) is an active community water system in Iberville Parish County, Louisiana. It reports serving 14,043 people through 4,681 service connections. Its primary water source is groundwater, and EPA lists it as owned by a local government. EPA's records list 6 violations for this system; 5 are health-based, and the most recent began in April 2015.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
14,043
Service connections
4,681
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does City of Plaquemine Water System compare with other water systems in Iberville Parish County?
By EPA's size categories, City of Plaquemine Water System is a large system (10,001 to 100,000 people). Iberville Parish County has 13 active public water systems, and City of Plaquemine Water System is the largest of them by population served. Its population served is about 4.1 times the county average of 3,456 people per system, and accounts for 31% 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 City of Plaquemine Water System is about twice 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 City of Plaquemine Water System?
EPA lists City of Plaquemine Water System 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 City of Plaquemine Water System have drinking water violations?
EPA's records list 6 violations for this system; 5 are health-based, and the most recent began in April 2015. The violations listed here began between August 1997 and April 2015. By type: 5 contaminant level above the legal limit and 1 public notice, recordkeeping or other. The contaminant or rule involved most often is Total coliform bacteria (TCR) (5 of them). EPA lists 6 as resolved. 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 |
|---|---|---|---|---|
| 2015-04-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 2013-09-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 2006-07-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 2004-07-01 | Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71 | Consumer Confidence Rulecode 7000 | No | Resolved |
| 1998-09-15 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 1997-08-15 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
All 6 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.
City of Plaquemine Water System: frequently asked questions
Who runs City of Plaquemine Water System?
City of Plaquemine Water System (PWSID LA1047005) is a community water system owned by a local government. It is regulated by the LA state drinking water program.
How many people does City of Plaquemine Water System serve?
City of Plaquemine Water System reports serving 14,043 people through 4,681 service connections in Iberville Parish County, Louisiana.
Where does City of Plaquemine 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 City of Plaquemine Water System have any drinking water violations?
EPA's records list 6 violations for this system; 5 are health-based, and the most recent began in April 2015. 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 City of Plaquemine 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 6 violations for this system; 5 are health-based, and the most recent began in April 2015. For current results, consult the system's annual water quality report, EPA ECHO, or the LA state drinking water program.
Where can I find City of Plaquemine Water System's water quality report?
As a community water system, City of Plaquemine 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 Iberville Parish County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| East Iberville Water System | Iberville Parish | 6,657 | Community | Purchased groundwater |
| Intracoastal Water System West | Iberville Parish | 6,489 | Community | Surface water |
| 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, “City of Plaquemine Water System, PWSID LA1047005, Louisiana”, https://aquacensus.com/water-systems/louisiana/city-of-plaquemine-water-system-la1047005 (data as of October 1, 2026).