PlainWater

MARQUIS CONSTRUCTION YARD

PWS ID: TX0200779 · LAKE JACKSON, Texas 77566-4458

MARQUIS CONSTRUCTION YARD serves 40 people in LAKE JACKSON, Texas using Groundwater water sources. It has 96 recorded EPA violations, including 4 health-based violations. No PFAS contamination was detected in UCMR5 testing.

Water Quality Snapshot: MARQUIS CONSTRUCTION YARD

MARQUIS CONSTRUCTION YARD is a private-owned non-transient non-community water system that delivers drinking water to 40 residents in LAKE JACKSON, Texas (Brazoria County) through 5 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 96 total violations for this system , of which 4 (4%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 82 monitoring and reporting violations are on file. The most recent violation on record dates to 2025.

The most frequently cited contaminant at this system is Lead and Copper Rule, recorded in 10 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. MARQUIS CONSTRUCTION YARD's 96 violations sit below the Texas average. Statewide, 1,068 of 1,147 UCMR5-tested systems have reported PFAS detections (93.1%). 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
40
Total Violations
96
Health-Based Violations
4
Water Source
Groundwater

System Details

System Type
Non-Transient Non-Community
Owner Type
Private
Connections
5
County
Brazoria
School/Daycare
No
MCL Violations
0
Monitoring Violations
82
Treatment Tech Violations
4

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Lead and Copper Rule MR 10 2025
Revised Total Coliform Rule MON 8 2024
Public Notice Other 6 2025
Endrin MR 4 2024
BHC-GAMMA MR 4 2024
Methoxychlor MR 4 2024
Toxaphene MR 4 2024
Simazine MR 4 2024
Di(2-ethylhexyl) phthalate MR 4 2024
Hexachlorocyclopentadiene MR 4 2024
LASSO MR 4 2024
Chlordane MR 4 2024
LEAD AND COPPER RULE REVISIONS TT 4 2024
LEAD AND COPPER RULE REVISIONS RPT 4 2024
Pentachlorophenol MR 4 2024
HEXACHLOROBENZENE MR 4 2024
Heptachlor epoxide MR 4 2024
Di(2-ethylhexyl) adipate MR 4 2024
Atrazine MR 4 2024
Benzo(a)pyrene MR 4 2024
Heptachlor MR 4 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 MARQUIS CONSTRUCTION YARD.

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 TX0200779 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 MARQUIS CONSTRUCTION YARD 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
2025 Lead and Copper Rule MR 10 SDWIS / TX0200779 / 5000
2025 Public Notice Other 6 SDWIS / TX0200779 / 7500
2024 Revised Total Coliform Rule MON 8 SDWIS / TX0200779 / 8000
2024 Endrin MR 4 SDWIS / TX0200779 / 2005
2024 BHC-GAMMA MR 4 SDWIS / TX0200779 / 2010
2024 Methoxychlor MR 4 SDWIS / TX0200779 / 2015
2024 Toxaphene MR 4 SDWIS / TX0200779 / 2020
2024 Simazine MR 4 SDWIS / TX0200779 / 2037
2024 Di(2-ethylhexyl) phthalate MR 4 SDWIS / TX0200779 / 2039
2024 Hexachlorocyclopentadiene MR 4 SDWIS / TX0200779 / 2042
2024 LASSO MR 4 SDWIS / TX0200779 / 2051
2024 Chlordane MR 4 SDWIS / TX0200779 / 2959
2024 LEAD AND COPPER RULE REVISIONS TT 4 SDWIS / TX0200779 / 5200
2024 LEAD AND COPPER RULE REVISIONS RPT 4 SDWIS / TX0200779 / 5200
2024 Pentachlorophenol MR 4 SDWIS / TX0200779 / 2326

How MARQUIS CONSTRUCTION YARD Compares

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

Metric MARQUIS CONSTRUCTION YARD Texas avg Federal benchmark
Total violations 96 101.5 SDWA compliance — any non-zero count is a recorded breach
Health-based violations 4 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 40 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
Nitrate (as N) 10 mg/L Acute health risk for infants

Frequently Asked Questions

Is MARQUIS CONSTRUCTION YARD water safe to drink?
MARQUIS CONSTRUCTION YARD (PWS ID: TX0200779) has 96 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 40 people using Groundwater sources.
How many people does MARQUIS CONSTRUCTION YARD serve?
MARQUIS CONSTRUCTION YARD serves 40 people in LAKE JACKSON, Texas. It is a Private-owned system using Groundwater water sources with 5 service connections.
What type of violations does MARQUIS CONSTRUCTION YARD have?
MARQUIS CONSTRUCTION YARD has 96 total violations: 4 health-based violations (MCL exceedances or treatment failures), 82 monitoring/reporting violations, and 4 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in MARQUIS CONSTRUCTION YARD water?
No PFAS testing data is available for MARQUIS CONSTRUCTION YARD under the EPA's UCMR5 monitoring program.
What water source does MARQUIS CONSTRUCTION YARD use?
MARQUIS CONSTRUCTION YARD 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.

Explore PlainWater

Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025. This data is provided for informational purposes only.

Related

Data sourced from $official public datasets. See our methodology for details. Retrieved and formatted by PlainWater Editorial