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Public water system · LA1071009

Active

New Orleans Carrollton Water Works

At a glance

New Orleans Carrollton Water Works (PWSID LA1071009) is an active community water system in Orleans Parish County, Louisiana. It reports serving 334,903 people through 137,049 service connections. Its primary water source is surface water, and EPA lists it as owned by a local government. EPA's records list 6 violations for this system; 1 is health-based, and the most recent began in January 2025.

Dataset updated . Source: EPA SDWIS/ECHO public records.

Population served

334,903

Service connections

137,049

Primary source

SW

Surface water

System type

CWS

Community water system

System record

PWSIDLA1071009
System typeCommunity water system
Activity statusActive
Population served334,903
Service connections137,049
Primary water sourceSurface water
Owner typeLocal government
Primacy agencyLA state drinking water program
City served—
StateLouisiana
ZIP—
CountyOrleans Parish County

How does New Orleans Carrollton Water Works compare with other water systems in Orleans Parish County?

By EPA's size categories, New Orleans Carrollton Water Works is a very large system (more than 100,000 people). Orleans Parish County has 10 active public water systems, and New Orleans Carrollton Water Works is the largest of them by population served. Its population served is about 8.6 times the county average of 38,909 people per system, and accounts for 86% of the 389,093 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 New Orleans Carrollton Water Works is about 50 times 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 New Orleans Carrollton Water Works?

EPA lists New Orleans Carrollton Water Works 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. 9 of the 10 active systems in Orleans Parish County (90%) are also owned by a local government.

Does New Orleans Carrollton Water Works have drinking water violations?

EPA's records list 6 violations for this system; 1 is health-based, and the most recent began in January 2025. The violations listed here began between July 2006 and January 2025. By type: 2 monitoring, 2 monitoring and reporting, 1 required treatment not met and 1 public notice, recordkeeping or other. The contaminant or rule involved most often is Interim Enhanced Surface Water Treatment Rule (2 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.

BeganViolationContaminant or ruleHealth-basedStatus
2025-01-01Required treatment not metMonthly Turbidity Exceed (Enhanced SWTR) · code 44Interim Enhanced Surface Water Treatment Rulecode 0300YesResolved
2023-06-01MonitoringMonitoring, Routine (RTCR) · code 3ARevised Total Coliform Rulecode 8000NoResolved
2022-12-01MonitoringMonitoring, Routine (RTCR) · code 3ARevised Total Coliform Rulecode 8000NoResolved
2022-01-01Monitoring and reportingMonitoring and Reporting (DBP) · code 27Carbon, totalcode 2920NoResolved
2016-03-01Monitoring and reportingMonitoring, Turbidity (Enhanced SWTR) · code 38Interim Enhanced Surface Water Treatment Rulecode 0300NoResolved
2006-07-01Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71Consumer Confidence Rulecode 7000NoResolved

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.

New Orleans Carrollton Water Works: frequently asked questions

Who runs New Orleans Carrollton Water Works?

New Orleans Carrollton Water Works (PWSID LA1071009) is a community water system owned by a local government. It is regulated by the LA state drinking water program.

How many people does New Orleans Carrollton Water Works serve?

New Orleans Carrollton Water Works reports serving 334,903 people through 137,049 service connections in Orleans Parish County, Louisiana.

Where does New Orleans Carrollton Water Works 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 New Orleans Carrollton Water Works have any drinking water violations?

EPA's records list 6 violations for this system; 1 is health-based, and the most recent began in January 2025. 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 New Orleans Carrollton Water Works' 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; 1 is health-based, and the most recent began in January 2025. For current results, consult the system's annual water quality report, EPA ECHO, or the LA state drinking water program.

Where can I find New Orleans Carrollton Water Works' water quality report?

As a community water system, New Orleans Carrollton Water Works 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 Orleans Parish County

Water systemCountyPopulation servedTypeSource
New Orleans Algiers Water WorksOrleans Parish52,785CommunitySurface water
Irish Bayou Travel CenterOrleans Parish450Transient non-communityGroundwater
Pno Alabo Street WharfOrleans Parish300Non-transient non-communityPurchased surface water
Pno Cruise TerminalsOrleans Parish200Non-transient non-communityPurchased surface water
Pno Uptown FacilitiesOrleans Parish179Non-transient non-communityPurchased surface water
Pno 3401 Jourdan RoadOrleans Parish175Non-transient non-communityPurchased surface water

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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, “New Orleans Carrollton Water Works, PWSID LA1071009, Louisiana”, https://aquacensus.com/water-systems/louisiana/new-orleans-carrollton-water-works-la1071009 (data as of October 1, 2026).