Public water system · LA1015040
ActiveCypress Black Bayou Water System
At a glance
Cypress Black Bayou Water System (PWSID LA1015040) is an active community water system in Bossier Parish County, Louisiana. It reports serving 5,520 people through 1,840 service connections. Its primary water source is purchased surface water, and EPA lists it as privately owned. EPA's records list 9 violations for this system; 1 is health-based, and the most recent began in May 2015.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
5,520
Service connections
1,840
Primary source
SWP
Purchased surface water
System type
CWS
Community water system
System record
How does Cypress Black Bayou Water System compare with other water systems in Bossier Parish County?
By EPA's size categories, Cypress Black Bayou Water System is a medium system (3,301 to 10,000 people). Bossier Parish County has 26 active public water systems, and Cypress Black Bayou Water System is the 5th-largest of them by population served. Its population served is roughly in line with the county average of 5,412 people per system, and accounts for 3.9% of the 140,710 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 Cypress Black Bayou Water System is about 18% 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. Purchased surface water means the system buys surface water from another public water system rather than drawing its own. 33 Louisiana systems (2.9%) list purchased surface water as their primary source.
Who owns and regulates Cypress Black Bayou Water System?
EPA lists Cypress Black Bayou 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. 17 of the 26 active systems in Bossier Parish County (65%) are also privately owned.
Does Cypress Black Bayou Water System have drinking water violations?
EPA's records list 9 violations for this system; 1 is health-based, and the most recent began in May 2015. The violations listed here began between June 2006 and May 2015. By type: 8 monitoring and reporting and 1 contaminant level above the legal limit. The contaminant or rule involved most often is Total coliform bacteria (TCR) (3 of them). EPA lists 8 as resolved and 1 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 |
|---|---|---|---|---|
| 2015-05-01 | Monitoring and reportingMonitoring, Routine Minor (TCR) · code 24 | Total coliform bacteria (TCR)code 3100 | No | Archived |
| 2013-11-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Total trihalomethanes (TTHM)code 2950 | No | Resolved |
| 2013-11-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Haloacetic acids (HAA5)code 2456 | No | Resolved |
| 2013-08-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Total trihalomethanes (TTHM)code 2950 | No | Resolved |
| 2013-08-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Haloacetic acids (HAA5)code 2456 | No | Resolved |
| 2011-07-01 | Monitoring and reportingMonitoring, Routine Minor (TCR) · code 24 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2009-07-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Haloacetic acids (HAA5)code 2456 | No | Resolved |
| 2009-07-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Total trihalomethanes (TTHM)code 2950 | No | Resolved |
| 2006-06-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
All 9 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.
Cypress Black Bayou Water System: frequently asked questions
Who runs Cypress Black Bayou Water System?
Cypress Black Bayou Water System (PWSID LA1015040) is a community water system privately owned. It is regulated by the LA state drinking water program.
How many people does Cypress Black Bayou Water System serve?
Cypress Black Bayou Water System reports serving 5,520 people through 1,840 service connections in Bossier Parish County, Louisiana.
Where does Cypress Black Bayou Water System get its water?
EPA SDWIS lists this system's primary water source as purchased surface water. Purchased surface water means the system buys surface water from another public water system rather than drawing its own.
Does Cypress Black Bayou Water System have any drinking water violations?
EPA's records list 9 violations for this system; 1 is health-based, and the most recent began in May 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 Cypress Black Bayou 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 9 violations for this system; 1 is health-based, and the most recent began in May 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 Cypress Black Bayou Water System's water quality report?
As a community water system, Cypress Black Bayou 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 Bossier Parish County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| City of Bossier City Water System | Bossier Parish | 79,506 | Community | Surface water |
| Barksdale Afb Water System | Bossier Parish | 13,000 | Community | Purchased surface water |
| Village Water System | Bossier Parish | 10,890 | Community | Groundwater |
| Town of Benton Water System | Bossier Parish | 8,037 | Community | Purchased surface water |
| Town of Haughton Water System | Bossier Parish | 5,355 | Community | Groundwater |
| Consolidated Wwks District 1 of Bossier | Bossier Parish | 3,210 | 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, “Cypress Black Bayou Water System, PWSID LA1015040, Louisiana”, https://aquacensus.com/water-systems/louisiana/cypress-black-bayou-water-system-la1015040 (data as of October 1, 2026).