Public water system · TX0310028
ActiveBrownsville Navigation District
At a glance
Brownsville Navigation District (PWSID TX0310028) is an active non-transient non-community water system in Cameron County, Texas. It reports serving 2,500 people through 270 service connections. Its primary water source is purchased surface water, and EPA lists it as owned by a local government. EPA's records list 9 violations for this system; 1 is health-based, and the most recent began in June 2024.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
2,500
Service connections
270
Primary source
SWP
Purchased surface water
System type
NTNCWS
Non-transient non-community water system
System record
How does Brownsville Navigation District compare with other water systems in Cameron County?
By EPA's size categories, Brownsville Navigation District is a small system (501 to 3,300 people). Cameron County has 30 active public water systems. Its population served is well below the county average of 14,775 people per system, and accounts for 0.6% of the 443,241 people reported by systems filed under the county. Across Texas, the 7,078 active systems average 4,789 people each. Nationally, the average active non-transient non-community water system reports serving 430 people, so Brownsville Navigation District is about 5.8 times that figure.
What does “non-transient non-community water system” mean?
A non-transient non-community water system regularly serves at least 25 of the same people for more than six months a year, but not where they live. Schools, factories, office buildings and hospitals with their own supply are typical examples. Texas has 862 active non-transient non-community water systems, 12% of the state's 7,078 active systems. Purchased surface water means the system buys surface water from another public water system rather than drawing its own. 1,192 Texas systems (17%) list purchased surface water as their primary source.
Who owns and regulates Brownsville Navigation District?
EPA lists Brownsville Navigation District as owned by a local government. The TX 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 30 active systems in Cameron County (70%) are also owned by a local government.
Does Brownsville Navigation District have drinking water violations?
EPA's records list 9 violations for this system; 1 is health-based, and the most recent began in June 2024. The violations listed here began between September 1991 and June 2024. By type: 4 monitoring and reporting, 2 monitoring, 2 public notice, recordkeeping or other and 1 contaminant level above the legal limit. The contaminant or rule involved most often is Total coliform bacteria (TCR) (5 of them). EPA lists 5 as archived and 4 as resolved. 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. 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 |
|---|---|---|---|---|
| 2024-06-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2024-05-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2018-10-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Chlorinecode 0999 | No | Resolved |
| 2008-10-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Chlorinecode 0999 | No | Resolved |
| 1993-07-01 | Public notice, recordkeeping or otherNotification, Public · code 06 | Total coliform bacteria (TCR)code 3100 | No | Archived |
| 1993-07-01 | Monitoring and reportingMonitoring, Routine Minor (TCR) · code 24 | Total coliform bacteria (TCR)code 3100 | No | Archived |
| 1993-05-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Archived |
| 1993-05-01 | Public notice, recordkeeping or otherNotification, Public · code 06 | Total coliform bacteria (TCR)code 3100 | No | Archived |
| 1991-09-01 | Monitoring and reportingMonitoring, Repeat Minor (TCR) · code 26 | Total coliform bacteria (TCR)code 3100 | No | Archived |
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.
Brownsville Navigation District: frequently asked questions
Who runs Brownsville Navigation District?
Brownsville Navigation District (PWSID TX0310028) is a non-transient non-community water system owned by a local government. It is regulated by the TX state drinking water program.
How many people does Brownsville Navigation District serve?
Brownsville Navigation District reports serving 2,500 people through 270 service connections in Cameron County, Texas.
Where does Brownsville Navigation District 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 Brownsville Navigation District have any drinking water violations?
EPA's records list 9 violations for this system; 1 is health-based, and the most recent began in June 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 Brownsville Navigation 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. EPA's records list 9 violations for this system; 1 is health-based, and the most recent began in June 2024. For current results, consult EPA ECHO, or the TX state drinking water program.
Where can I find Brownsville Navigation District's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Brownsville Navigation District is a non-transient non-community water system, so it is not required to publish one; like every public water system, it must notify the people it serves about violations under EPA's public notification rules.
Other water systems in Cameron County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Brownsville Public Utilities Board | Cameron | 201,249 | Community | Surface water |
| Harlingen Water Works System | Cameron | 85,900 | Community | Surface water |
| Laguna Madre Water District | Cameron | 46,674 | Community | Surface water |
| East Rio Hondo WSC | Cameron | 24,756 | Community | Surface water |
| City of San Benito | Cameron | 24,250 | Community | Surface water |
| El Jardin WSC | Cameron | 9,423 | Community | Purchased 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, “Brownsville Navigation District, PWSID TX0310028, Texas”, https://aquacensus.com/water-systems/texas/brownsville-navigation-district-tx0310028 (data as of October 1, 2026).