Public water system · LA1105008
ActiveTangipahoa Parish Water District
At a glance
Tangipahoa Parish Water District (PWSID LA1105008) is an active community water system in Tangipahoa Parish County, Louisiana. It reports serving 75,873 people through 25,291 service connections. Its primary water source is groundwater, and EPA lists it as owned by a local government. Of the 12 most recent violations in EPA's records, 8 are health-based, and the most recent began in October 2024.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
75,873
Service connections
25,291
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Tangipahoa Parish Water District compare with other water systems in Tangipahoa Parish County?
By EPA's size categories, Tangipahoa Parish Water District is a large system (10,001 to 100,000 people). Tangipahoa Parish County has 32 active public water systems, and Tangipahoa Parish Water District is the largest of them by population served. Its population served is about 18 times the county average of 4,147 people per system, and accounts for 57% 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 Tangipahoa Parish Water District is about 11 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. 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 Tangipahoa Parish Water District?
EPA lists Tangipahoa Parish Water District 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 Tangipahoa Parish Water District have drinking water violations?
Of the 12 most recent violations in EPA's records, 8 are health-based, and the most recent began in October 2024. The violations listed here began between January 2009 and October 2024. By type: 7 contaminant level above the legal limit, 4 monitoring and reporting and 1 required treatment not met. The contaminant or rule involved most often is Total coliform bacteria (TCR) (7 of them). EPA lists 7 as resolved and 5 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 |
|---|---|---|---|---|
| 2024-10-17 | Required treatment not metLSL Inventory · code 2E | Lead and Copper Rule Revisionscode 5200 | Yes | Resolved |
| 2015-11-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Archived |
| 2014-09-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 2013-06-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 2013-04-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Haloacetic acids (HAA5)code 2456 | No | Resolved |
| 2013-04-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Total trihalomethanes (TTHM)code 2950 | No | Resolved |
| 2010-06-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Archived |
| 2009-11-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Archived |
| 2009-08-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Archived |
| 2009-04-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Archived |
| 2009-01-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Haloacetic acids (HAA5)code 2456 | No | Resolved |
| 2009-01-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Total trihalomethanes (TTHM)code 2950 | No | 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.
Tangipahoa Parish Water District: frequently asked questions
Who runs Tangipahoa Parish Water District?
Tangipahoa Parish Water District (PWSID LA1105008) is a community water system owned by a local government. It is regulated by the LA state drinking water program.
How many people does Tangipahoa Parish Water District serve?
Tangipahoa Parish Water District reports serving 75,873 people through 25,291 service connections in Tangipahoa Parish County, Louisiana.
Where does Tangipahoa Parish Water District 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 Tangipahoa Parish Water District have any drinking water violations?
Of the 12 most recent violations in EPA's records, 8 are health-based, and the most recent began in October 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 Tangipahoa Parish Water District'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, 8 are health-based, and the most recent began in October 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 Tangipahoa Parish Water District's water quality report?
As a community water system, Tangipahoa Parish Water District 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 system | County | Population served | Type | Source |
|---|---|---|---|---|
| City of Hammond Water System | Tangipahoa Parish | 21,135 | Community | Groundwater |
| City of Pontchatoula Water System | Tangipahoa Parish | 6,657 | Community | Groundwater |
| Town of Amite Water System | Tangipahoa Parish | 4,300 | Community | Groundwater |
| Utilities Inc. - Hammond Heights | Tangipahoa Parish | 4,281 | Community | Groundwater |
| Tangipahoa (Second Ward) Water District | Tangipahoa Parish | 4,112 | Community | Groundwater |
| Town of Independence Water System | Tangipahoa Parish | 3,052 | 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, “Tangipahoa Parish Water District, PWSID LA1105008, Louisiana”, https://aquacensus.com/water-systems/louisiana/tangipahoa-parish-water-district-la1105008 (data as of October 1, 2026).