Public water system · LA1119002
ActiveBlocker Water System
At a glance
Blocker Water System (PWSID LA1119002) is an active community water system in Webster Parish County, Louisiana. It reports serving 1,719 people through 573 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. Of the 12 most recent violations in EPA's records, 4 are health-based, and the most recent began in April 2025.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
1,719
Service connections
573
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Blocker Water System compare with other water systems in Webster Parish County?
By EPA's size categories, Blocker Water System is a small system (501 to 3,300 people). Webster Parish County has 31 active public water systems, and Blocker Water System is the 5th-largest of them by population served. Its population served is roughly in line with the county average of 1,670 people per system, and accounts for 3.3% of the 51,778 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 Blocker Water System is well below 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 Blocker Water System?
EPA lists Blocker Water System as privately owned. 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. 21 of the 31 active systems in Webster Parish County (68%) are also privately owned.
Does Blocker Water System have drinking water violations?
Of the 12 most recent violations in EPA's records, 4 are health-based, and the most recent began in April 2025. The violations listed here began between July 2011 and April 2025. By type: 7 monitoring and reporting, 2 contaminant level above the legal limit, 2 required treatment not met and 1 reporting. The contaminant or rule involved most often is Total trihalomethanes (TTHM) (4 of them). EPA lists 12 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 |
|---|---|---|---|---|
| 2025-04-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Total trihalomethanes (TTHM)code 2950 | Yes | Resolved |
| 2024-10-17 | ReportingLSL Reporting · code 4G | Lead and Copper Rule Revisionscode 5200 | No | Resolved |
| 2024-10-17 | Required treatment not metLSL Inventory · code 2E | Lead and Copper Rule Revisionscode 5200 | Yes | Resolved |
| 2021-11-11 | Required treatment not metFailure To Address Deficiency · code 45 | Groundwater Rulecode 0700 | Yes | Resolved |
| 2014-09-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Total trihalomethanes (TTHM)code 2950 | No | Resolved |
| 2014-09-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Haloacetic acids (HAA5)code 2456 | No | Resolved |
| 2014-06-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 2013-01-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Total trihalomethanes (TTHM)code 2950 | No | Resolved |
| 2013-01-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Haloacetic acids (HAA5)code 2456 | No | Resolved |
| 2012-07-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Total trihalomethanes (TTHM)code 2950 | No | Resolved |
| 2012-07-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Haloacetic acids (HAA5)code 2456 | No | Resolved |
| 2011-07-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Haloacetic acids (HAA5)code 2456 | 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.
Blocker Water System: frequently asked questions
Who runs Blocker Water System?
Blocker Water System (PWSID LA1119002) is a community water system privately owned. It is regulated by the LA state drinking water program.
How many people does Blocker Water System serve?
Blocker Water System reports serving 1,719 people through 573 service connections in Webster Parish County, Louisiana.
Where does Blocker 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 Blocker Water System have any drinking water violations?
Of the 12 most recent violations in EPA's records, 4 are health-based, and the most recent began in April 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 Blocker 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. Of the 12 most recent violations in EPA's records, 4 are health-based, and the most recent began in April 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 Blocker Water System's water quality report?
As a community water system, Blocker 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 Webster Parish County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| City of Minden Water System | Webster Parish | 16,281 | Community | Groundwater |
| Springhill Water System | Webster Parish | 7,800 | Community | Groundwater |
| Town of Sibley Water System | Webster Parish | 2,373 | Community | Groundwater |
| Shongaloo Water System | Webster Parish | 2,196 | Community | Groundwater |
| Pleasant Valley Water System | Webster Parish | 1,683 | Community | Groundwater |
| Gil-Gal Water System | Webster Parish | 1,551 | 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, “Blocker Water System, PWSID LA1119002, Louisiana”, https://aquacensus.com/water-systems/louisiana/blocker-water-system-la1119002 (data as of October 1, 2026).