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SAND FLAT WSC

PWS ID: TX2120020 · TYLER, Texas 75706-4932

SAND FLAT WSC serves 4,569 people in TYLER, Texas using Groundwater water sources. It has 61 recorded EPA violations, including 0 health-based violations. No PFAS contamination was detected in UCMR5 testing.

Water Quality Snapshot: SAND FLAT WSC

SAND FLAT WSC is a local-owned community water system that delivers drinking water to 4,569 residents in TYLER, Texas (Smith County) through 1,523 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 61 total violations for this system , of which 0 (0%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 56 monitoring and reporting violations are on file. The most recent violation on record dates to 2023.

The most frequently cited contaminant at this system is Lead and Copper Rule, recorded in 8 violations (MR). 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. SAND FLAT WSC's 61 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
4,569
Total Violations
61
Health-Based Violations
0
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Local
Connections
1,523
County
Smith
School/Daycare
No
MCL Violations
0
Monitoring Violations
56
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Lead and Copper Rule MR 8 2022
Beryllium, Total MR 4 2008
Selenium MR 4 2008
Chromium MR 4 2008
Thallium, Total MR 4 2008
Arsenic MR 4 2008
Fluoride MR 4 2008
Antimony, Total MR 4 2008
Mercury MR 4 2008
Cadmium MR 4 2008
Nitrate MR 4 2008
Barium MR 4 2008
Chlorine MR 3 2008
Public Notice Other 3 2023
Coliform (TCR) MR 1 1991

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 0 of 180 samples detected PFAS.

Contaminant Date Result MRL Status
PFEESA 5/22/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFTA 5/22/2023 <0.008 µg/L 0.008 µg/L Not Detected
PFTrDA 5/22/2023 <0.007 µg/L 0.007 µg/L Not Detected
NEtFOSAA 5/22/2023 <0.005 µg/L 0.005 µg/L Not Detected
NMeFOSAA 5/22/2023 <0.006 µg/L 0.006 µg/L Not Detected
lithium 5/22/2023 <9 µg/L 9 µg/L Not Detected
PFBA 5/22/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFBS 5/22/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFHpS 5/22/2023 <0.003 µg/L 0.003 µg/L Not Detected
NFDHA 5/22/2023 <0.02 µg/L 0.02 µg/L Not Detected
PFMBA 5/22/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFPeA 5/22/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFMPA 5/22/2023 <0.004 µg/L 0.004 µg/L Not Detected
8:2 FTS 5/22/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFHxA 5/22/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFHpA 5/22/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFHxS 5/22/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFNA 5/22/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFOS 5/22/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFPeS 5/22/2023 <0.004 µg/L 0.004 µg/L Not Detected
4:2 FTS 5/22/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFDoA 5/22/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFOA 5/22/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFUnA 5/22/2023 <0.002 µg/L 0.002 µg/L Not Detected
11Cl-PF3OUdS 5/22/2023 <0.005 µg/L 0.005 µg/L Not Detected
9Cl-PF3ONS 5/22/2023 <0.002 µg/L 0.002 µg/L Not Detected
ADONA 5/22/2023 <0.003 µg/L 0.003 µg/L Not Detected
HFPO-DA 5/22/2023 <0.005 µg/L 0.005 µg/L Not Detected
6:2 FTS 5/22/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFDA 5/22/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFHpA 5/22/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFOS 5/22/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFOA 5/22/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFDA 5/22/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFDoA 5/22/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFHxA 5/22/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFUnA 5/22/2023 <0.002 µg/L 0.002 µg/L Not Detected
11Cl-PF3OUdS 5/22/2023 <0.005 µg/L 0.005 µg/L Not Detected
9Cl-PF3ONS 5/22/2023 <0.002 µg/L 0.002 µg/L Not Detected
ADONA 5/22/2023 <0.003 µg/L 0.003 µg/L Not Detected
HFPO-DA 5/22/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFBA 5/22/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFNA 5/22/2023 <0.004 µg/L 0.004 µg/L Not Detected
4:2 FTS 5/22/2023 <0.003 µg/L 0.003 µg/L Not Detected
lithium 5/22/2023 <9 µg/L 9 µg/L Not Detected
8:2 FTS 5/22/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFMPA 5/22/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFPeA 5/22/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFMBA 5/22/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFEESA 5/22/2023 <0.003 µg/L 0.003 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 SAND FLAT WSC.

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 TX2120020 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 SAND FLAT WSC 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
2023 Public Notice Other 3 SDWIS / TX2120020 / 7500
2022 Lead and Copper Rule MR 8 SDWIS / TX2120020 / 5000
2008 Beryllium, Total MR 4 SDWIS / TX2120020 / 1075
2008 Selenium MR 4 SDWIS / TX2120020 / 1045
2008 Chromium MR 4 SDWIS / TX2120020 / 1020
2008 Thallium, Total MR 4 SDWIS / TX2120020 / 1085
2008 Arsenic MR 4 SDWIS / TX2120020 / 1005
2008 Fluoride MR 4 SDWIS / TX2120020 / 1025
2008 Antimony, Total MR 4 SDWIS / TX2120020 / 1074
2008 Mercury MR 4 SDWIS / TX2120020 / 1035
2008 Cadmium MR 4 SDWIS / TX2120020 / 1015
2008 Nitrate MR 4 SDWIS / TX2120020 / 1040
2008 Barium MR 4 SDWIS / TX2120020 / 1010
2008 Chlorine MR 3 SDWIS / TX2120020 / 0999
1991 Coliform (TCR) MR 1 SDWIS / TX2120020 / 3100

How SAND FLAT WSC Compares

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

Metric SAND FLAT WSC Texas avg Federal benchmark
Total violations 61 101.5 SDWA compliance — any non-zero count is a recorded breach
Health-based violations 0 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 4,569 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 SAND FLAT WSC water safe to drink? ▼
SAND FLAT WSC (PWS ID: TX2120020) has 61 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 4,569 people using Groundwater sources.
How many people does SAND FLAT WSC serve? ▼
SAND FLAT WSC serves 4,569 people in TYLER, Texas. It is a Local-owned system using Groundwater water sources with 1,523 service connections.
What type of violations does SAND FLAT WSC have? ▼
SAND FLAT WSC has 61 total violations: 0 health-based violations (MCL exceedances or treatment failures), 56 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in SAND FLAT WSC water? ▼
No. SAND FLAT WSC was tested for PFAS under the EPA's UCMR5 monitoring program and no PFAS contamination was detected.
What water source does SAND FLAT WSC use? ▼
SAND FLAT WSC uses Groundwater as its primary water source. It is classified as a Community Water System (CWS), serving residential populations year-round.
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