PlainWater

Non-Transient Non-Community Water System · PWS TX2400032

US Border Patrol Station I 35

Laredo, Texas 78041-2204 - drinking water served from groundwater sources to 60 people, tracked in EPA SDWIS and UCMR5.

60
People served
141
EPA violations
12
Health-based
Untested
UCMR5 result

The verdict

EPA records 141 drinking-water violations at US Border Patrol Station I 35, 9% of them health-based - above the Texas per-system average.

141
Total EPA violations on record
9%
Health-based (MCL / treatment failure)
60
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: US Border Patrol Station I 35

US Border Patrol Station I 35 is a federal-owned non-transient non-community water system that delivers drinking water to 60 residents in Laredo, Texas (Webb County) through 5 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 141 total violations for this system , of which 12 (9%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 125 monitoring and reporting violations are on file. The most recent violation on record dates to 2024.

The most frequently cited contaminant at this system is Chlorine, recorded in 23 violations (MR). This system has not yet been sampled under EPA's UCMR5 PFAS monitoring program, so no PFAS detection data is available here.

Across Texas, EPA tracks 7,351 public water systems serving 33,253,313 people, with 746,210 cumulative violations and 162,945 health-based violations on record. About 90% of systems in the state carry at least one violation, and state-wide the average per system is 101.5 violations. Statewide, 1,068 of 1,147 UCMR5-tested systems have reported PFAS detections (93.1%).

US Border Patrol Station I 35's 141 violations sit above the Texas average.

All figures above are sourced directly from EPA SDWIS and UCMR5 public data releases and are updated as EPA publishes new reporting cycles.

Population Served
60
Total Violations
141
Health-Based Violations
12
Water Source
Groundwater

System Details

System Type
Non-Transient Non-Community
Owner Type
Federal
Connections
5
County
Webb
School/Daycare
No
MCL Violations
12
Monitoring Violations
125
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Chlorine MR 23 2020
TTHM MCL 12 2012
Revised Total Coliform Rule MON 12 2023
TTHM MR 7 2022
Total Haloacetic Acids (HAA5) MR 7 2022
Lead and Copper Rule MR 6 2016
Coliform (TCR) MR 4 2010
Public Notice Other 4 2014
Nitrate MR 3 2024
cis-1,2-Dichloroethylene MR 3 2024
o-Dichlorobenzene MR 3 2024
trans-1,2-Dichloroethylene MR 3 2024
1,2-Dichloroethane MR 3 2024
1,1,1-Trichloroethane MR 3 2024
Carbon tetrachloride MR 3 2024
Tetrachloroethylene MR 3 2024
CHLOROBENZENE MR 3 2024
Toluene MR 3 2024
Ethylbenzene MR 3 2024
1,2,4-Trichlorobenzene MR 3 2024
1,1,2-Trichloroethane MR 3 2024
Vinyl chloride MR 3 2024
Xylenes, Total MR 3 2024
Styrene MR 3 2024
DICHLOROMETHANE MR 3 2024
1,1-Dichloroethylene MR 3 2024
Benzene MR 3 2024
p-Dichlorobenzene MR 3 2024
Trichloroethylene MR 3 2024
1,2-Dichloropropane MR 3 2024

Verify This Water System

The figures above are aggregated from EPA's public databases. To verify the underlying records, or to file a complaint, request a Consumer Confidence Report, or check current monitoring status, go directly to the federal and state regulators that enforce the Safe Drinking Water Act for US Border Patrol Station I 35.

Federal Source of Truth

EPA SDWIS, Federal Reports

EPA's Safe Drinking Water Information System (SDWIS) holds the federal compliance record for every regulated public water system. Open the system-level report by PWS ID:

View PWS ID TX2400032 on SDWIS

Source: EPA SDWIS Federal Reports Search

State Regulator

Texas Drinking Water Authority

Texas Commission on Environmental Quality (TCEQ) - Drinking Water Watch is the primacy agency that licenses and inspects US Border Patrol Station I 35 under EPA-delegated authority.

Open TX regulator portal

Source: Texas Commission on Environmental Quality (TCEQ) - Drinking Water Watch

Violation Timeline

Each row links to the EPA SDWIS public record for verification. Cross-reference the contaminant code on EPA's federal report to see violation dates, return-to-compliance status, and enforcement actions.

Year (latest) Contaminant Category Count EPA Record
2024 Nitrate MR 3 SDWIS / TX2400032 / 1040
2024 cis-1,2-Dichloroethylene MR 3 SDWIS / TX2400032 / 2380
2024 o-Dichlorobenzene MR 3 SDWIS / TX2400032 / 2968
2024 trans-1,2-Dichloroethylene MR 3 SDWIS / TX2400032 / 2979
2024 1,2-Dichloroethane MR 3 SDWIS / TX2400032 / 2980
2024 1,1,1-Trichloroethane MR 3 SDWIS / TX2400032 / 2981
2024 Carbon tetrachloride MR 3 SDWIS / TX2400032 / 2982
2024 Tetrachloroethylene MR 3 SDWIS / TX2400032 / 2987
2024 CHLOROBENZENE MR 3 SDWIS / TX2400032 / 2989
2024 Toluene MR 3 SDWIS / TX2400032 / 2991
2024 Ethylbenzene MR 3 SDWIS / TX2400032 / 2992
2024 1,2,4-Trichlorobenzene MR 3 SDWIS / TX2400032 / 2378
2024 1,1,2-Trichloroethane MR 3 SDWIS / TX2400032 / 2985
2024 Vinyl chloride MR 3 SDWIS / TX2400032 / 2976
2024 Xylenes, Total MR 3 SDWIS / TX2400032 / 2955

How US Border Patrol Station I 35 Compares

Cross-reference this system's record against state averages and the federal MCL framework for context.

Metric US Border Patrol Station I 35 Texas avg Federal benchmark
Total violations 141 101.5 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 12 22.2 Indicates a contaminant exceeded a federal MCL
PFAS detection None 93.1% EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 60 4,524 Sizing context for compliance burden

Sources: EPA SDWIS and EPA National Primary Drinking Water Regulations (40 CFR Part 141). State averages computed across 7,351 regulated public water systems in Texas.

Federal MCL reference, Safe Drinking Water Act thresholds
Contaminant Federal MCL / Action Level Note
Lead 0 mg/L (Action Level: 0.015 mg/L) Lead and Copper Rule treatment technique
Arsenic 0.010 mg/L (10 ppb) Health-based MCL since 2006
Total Coliform Treatment technique (RTCR) Indicator organism, monitoring trigger
PFOA / PFOS (PFAS) 4.0 ppt each (final 2024 rule) Compliance deadline 2029 (EPA proposed extending to 2031, not yet final as of May 2026)
Nitrate (as N) 10 mg/L Acute health risk for infants

Frequently Asked Questions

Is US Border Patrol Station I 35 water safe to drink?
US Border Patrol Station I 35 (PWS ID: TX2400032) has 141 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 60 people using Groundwater sources.
How many people does US Border Patrol Station I 35 serve?
US Border Patrol Station I 35 serves 60 people in Laredo, Texas. It is a Federal-owned system using Groundwater water sources with 5 service connections.
What type of violations does US Border Patrol Station I 35 have?
US Border Patrol Station I 35 has 141 total violations: 12 health-based violations (MCL exceedances or treatment failures), 125 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in US Border Patrol Station I 35 water?
No PFAS testing data is available for US Border Patrol Station I 35 under the EPA's UCMR5 monitoring program.
What water source does US Border Patrol Station I 35 use?
US Border Patrol Station I 35 uses Groundwater as its primary water source. It is classified as a Non-Transient Non-Community Water System, serving the same people for at least 6 months per year.
Where does this data come from?
All data comes from the EPA Safe Drinking Water Information System (SDWIS) and the UCMR5 PFAS monitoring program. SDWIS tracks compliance for all public water systems regulated under the Safe Drinking Water Act.
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025. This data is provided for informational purposes only.
Data sourced from EPA SDWIS and UCMR5 PFAS monitoring data. See our methodology for details. Retrieved and formatted by PlainWater Editorial

Every figure on PlainWater is rendered directly from EPA SDWIS drinking-water data, no number is typed in by an editor. This system's figures are rendered directly from EPA SDWIS data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.