Skip to content
AquaCensus

Public water system · LA1105019

Active

City of Pontchatoula Water System

At a glance

City of Pontchatoula Water System (PWSID LA1105019) is an active community water system in Tangipahoa Parish County, Louisiana. It reports serving 6,657 people through 2,219 service connections. Its primary water source is groundwater, and EPA lists it as owned by a local government. EPA's records list 10 violations for this system; 5 are health-based, and the most recent began in July 2024.

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

Population served

6,657

Service connections

2,219

Primary source

GW

Groundwater

System type

CWS

Community water system

System record

PWSIDLA1105019
System typeCommunity water system
Activity statusActive
Population served6,657
Service connections2,219
Primary water sourceGroundwater
Owner typeLocal government
Primacy agencyLA state drinking water program
City served—
StateLouisiana
ZIP—
CountyTangipahoa Parish County

How does City of Pontchatoula Water System compare with other water systems in Tangipahoa Parish County?

By EPA's size categories, City of Pontchatoula Water System is a medium system (3,301 to 10,000 people). Tangipahoa Parish County has 32 active public water systems, and City of Pontchatoula Water System is the 3rd-largest of them by population served. Its population served is about 61% above the county average of 4,147 people per system, and accounts for 5% of the 132,717 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 Pontchatoula Water System 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. 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 Pontchatoula Water System?

EPA lists City of Pontchatoula 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. 13 of the 32 active systems in Tangipahoa Parish County (41%) are also owned by a local government.

Does City of Pontchatoula 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 July 2024. The violations listed here began between January 1995 and July 2024. By type: 5 contaminant level above the legal limit, 3 monitoring and reporting and 2 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 and 4 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.

BeganViolationContaminant or ruleHealth-basedStatus
2024-07-01Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71Consumer Confidence Rulecode 7000NoResolved
2024-01-01Monitoring and reportingLead Consumer Notice · code 66Lead and Copper Rulecode 5000NoResolved
2014-08-01Monitoring and reportingMonitoring and Reporting (DBP) · code 27Total trihalomethanes (TTHM)code 2950NoResolved
2014-08-01Monitoring and reportingMonitoring and Reporting (DBP) · code 27Haloacetic acids (HAA5)code 2456NoResolved
2009-10-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22Total coliform bacteria (TCR)code 3100YesResolved
2003-12-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22Total coliform bacteria (TCR)code 3100YesArchived
2002-06-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22Total coliform bacteria (TCR)code 3100YesArchived
1999-10-19Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71Consumer Confidence Rulecode 7000NoResolved
1998-09-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22Total coliform bacteria (TCR)code 3100YesArchived
1995-01-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22Total coliform bacteria (TCR)code 3100YesArchived

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.

City of Pontchatoula Water System: frequently asked questions

Who runs City of Pontchatoula Water System?

City of Pontchatoula Water System (PWSID LA1105019) 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 Pontchatoula Water System serve?

City of Pontchatoula Water System reports serving 6,657 people through 2,219 service connections in Tangipahoa Parish County, Louisiana.

Where does City of Pontchatoula 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 Pontchatoula 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 July 2024. 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 Pontchatoula 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 July 2024. 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 Pontchatoula Water System's water quality report?

As a community water system, City of Pontchatoula 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 Tangipahoa Parish County

Water systemCountyPopulation servedTypeSource
Tangipahoa Parish Water DistrictTangipahoa Parish75,873CommunityGroundwater
City of Hammond Water SystemTangipahoa Parish21,135CommunityGroundwater
Town of Amite Water SystemTangipahoa Parish4,300CommunityGroundwater
Utilities Inc. - Hammond HeightsTangipahoa Parish4,281CommunityGroundwater
Tangipahoa (Second Ward) Water DistrictTangipahoa Parish4,112CommunityGroundwater
Town of Independence Water SystemTangipahoa Parish3,052CommunityGroundwater

Related pages

Working with water-system records? Pro adds alerts, change history and CSV export ($49/mo); Enterprise adds full national files, the API and an MCP server for AI tools.

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 Pontchatoula Water System, PWSID LA1105019, Louisiana”, https://aquacensus.com/water-systems/louisiana/city-of-pontchatoula-water-system-la1105019 (data as of October 1, 2026).