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THIRD COAST SERVICES

PWS ID: TX1700886 · MAGNOLIA, Texas 77355-2716

THIRD COAST SERVICES serves 100 people in MAGNOLIA, Texas using Groundwater water sources. It has 62 recorded EPA violations, including 8 health-based violations. No PFAS contamination was detected in UCMR5 testing.

Water Quality Snapshot: THIRD COAST SERVICES

THIRD COAST SERVICES is a private-owned non-transient non-community water system that delivers drinking water to 100 residents in MAGNOLIA, Texas (Montgomery County) through 3 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 62 total violations for this system , of which 8 (13%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 36 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 Revised Total Coliform Rule, recorded in 16 violations (MON). This system was sampled under EPA's UCMR5 PFAS monitoring program and no PFAS compounds were detected above the minimum reporting level.

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. THIRD COAST SERVICES's 62 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
100
Total Violations
62
Health-Based Violations
8
Water Source
Groundwater

System Details

System Type
Non-Transient Non-Community
Owner Type
Private
Connections
3
County
Montgomery
School/Daycare
No
MCL Violations
0
Monitoring Violations
36
Treatment Tech Violations
8

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Revised Total Coliform Rule MON 16 2018
Chlorine MR 16 2018
Public Notice Other 14 2023
Lead and Copper Rule MR 4 2020
Groundwater Rule TT 4 2022
LEAD AND COPPER RULE REVISIONS TT 4 2024
LEAD AND COPPER RULE REVISIONS RPT 4 2024

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 0 of 60 samples detected PFAS.

Contaminant Date Result MRL Status
PFBS 9/17/2025 <0.003 µg/L 0.003 µg/L Not Detected
HFPO-DA 9/17/2025 <0.005 µg/L 0.005 µg/L Not Detected
PFPeA 9/17/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFMPA 9/17/2025 <0.004 µg/L 0.004 µg/L Not Detected
8:2 FTS 9/17/2025 <0.005 µg/L 0.005 µg/L Not Detected
4:2 FTS 9/17/2025 <0.003 µg/L 0.003 µg/L Not Detected
6:2 FTS 9/17/2025 <0.005 µg/L 0.005 µg/L Not Detected
PFMBA 9/17/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFOS 9/17/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFNA 9/17/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFBA 9/17/2025 <0.005 µg/L 0.005 µg/L Not Detected
PFHpA 9/17/2025 <0.003 µg/L 0.003 µg/L Not Detected
ADONA 9/17/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFOA 9/17/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFHxS 9/17/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFPeS 9/17/2025 <0.004 µg/L 0.004 µg/L Not Detected
NMeFOSAA 9/17/2025 <0.006 µg/L 0.006 µg/L Not Detected
PFTA 9/17/2025 <0.008 µg/L 0.008 µg/L Not Detected
PFTrDA 9/17/2025 <0.007 µg/L 0.007 µg/L Not Detected
NEtFOSAA 9/17/2025 <0.005 µg/L 0.005 µg/L Not Detected
11Cl-PF3OUdS 9/17/2025 <0.005 µg/L 0.005 µg/L Not Detected
PFHpS 9/17/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFEESA 9/17/2025 <0.003 µg/L 0.003 µg/L Not Detected
NFDHA 9/17/2025 <0.02 µg/L 0.02 µg/L Not Detected
9Cl-PF3ONS 9/17/2025 <0.002 µg/L 0.002 µg/L Not Detected
PFUnA 9/17/2025 <0.002 µg/L 0.002 µg/L Not Detected
PFHxA 9/17/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFDoA 9/17/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFDA 9/17/2025 <0.003 µg/L 0.003 µg/L Not Detected
lithium 9/17/2025 <9 µg/L 9 µg/L Not Detected
NFDHA 3/25/2025 <0.02 µg/L 0.02 µg/L Not Detected
PFMPA 3/25/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFPeA 3/25/2025 <0.003 µg/L 0.003 µg/L Not Detected
8:2 FTS 3/25/2025 <0.005 µg/L 0.005 µg/L Not Detected
PFMBA 3/25/2025 <0.003 µg/L 0.003 µg/L Not Detected
4:2 FTS 3/25/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFEESA 3/25/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFPeS 3/25/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFHpS 3/25/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFHpA 3/25/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFNA 3/25/2025 <0.004 µg/L 0.004 µg/L Not Detected
lithium 3/25/2025 <9 µg/L 9 µg/L Not Detected
PFTA 3/25/2025 <0.008 µg/L 0.008 µg/L Not Detected
6:2 FTS 3/25/2025 <0.005 µg/L 0.005 µg/L Not Detected
PFHxS 3/25/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFOA 3/25/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFOS 3/25/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFTrDA 3/25/2025 <0.007 µg/L 0.007 µg/L Not Detected
NEtFOSAA 3/25/2025 <0.005 µg/L 0.005 µg/L Not Detected
PFBA 3/25/2025 <0.005 µg/L 0.005 µg/L Not Detected

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 THIRD COAST SERVICES.

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 TX1700886 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 THIRD COAST SERVICES 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 LEAD AND COPPER RULE REVISIONS TT 4 SDWIS / TX1700886 / 5200
2024 LEAD AND COPPER RULE REVISIONS RPT 4 SDWIS / TX1700886 / 5200
2023 Public Notice Other 14 SDWIS / TX1700886 / 7500
2022 Groundwater Rule TT 4 SDWIS / TX1700886 / 0700
2020 Lead and Copper Rule MR 4 SDWIS / TX1700886 / 5000
2018 Revised Total Coliform Rule MON 16 SDWIS / TX1700886 / 8000
2018 Chlorine MR 16 SDWIS / TX1700886 / 0999

How THIRD COAST SERVICES Compares

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

Metric THIRD COAST SERVICES Texas avg Federal benchmark
Total violations 62 101.5 SDWA compliance — any non-zero count is a recorded breach
Health-based violations 8 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 100 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 THIRD COAST SERVICES water safe to drink? ▼
THIRD COAST SERVICES (PWS ID: TX1700886) has 62 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 100 people using Groundwater sources.
How many people does THIRD COAST SERVICES serve? ▼
THIRD COAST SERVICES serves 100 people in MAGNOLIA, Texas. It is a Private-owned system using Groundwater water sources with 3 service connections.
What type of violations does THIRD COAST SERVICES have? ▼
THIRD COAST SERVICES has 62 total violations: 8 health-based violations (MCL exceedances or treatment failures), 36 monitoring/reporting violations, and 8 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in THIRD COAST SERVICES water? ▼
No. THIRD COAST SERVICES was tested for PFAS under the EPA's UCMR5 monitoring program and no PFAS contamination was detected.
What water source does THIRD COAST SERVICES use? ▼
THIRD COAST SERVICES 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.

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Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025. PFAS data from EPA UCMR5 monitoring program (2023-2025). This data is provided for informational purposes only.

Read our methodology — how this data is sourced, computed, and verified.

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