Current Noncompliance TX

Sand Flat Water Supply Corporation

EPA ID: TX2120020 ยท 4,569 people served ยท 4 ZIP codes

ZipCheckup's reading of EPA SDWIS for Sand Flat Water Supply Corporation (TX2120020): 1 unresolved EPA violation on record. Five-year compliance data for Sand Flat Water Supply Corporation includes 1 violation the EPA has not yet marked resolved - those open findings are part of the utility's current enforcement profile, covering a service population of approximately 4,569 residents across the area it supplies.

Data: EPA SDWIS

B ยท 83
Avg Safety Score
4,569
People Served
4
ZIP Codes Served
3
Violations (5yr)
Groundwater
Water Source
Zone 3
Radon Risk ยท Low
2
Contaminants Flagged
$136K
Median Home Value in Service Area

Service Area Map

Coverage area for Sand Flat Water Supply Corporation Source: EPA SDWIS service area boundaries.

Service area boundary - Grade B

Service Area Demographics

$69,673
Median Household Income
46,056
Service Area Population
33%
Disadvantaged Population
60th
Poverty Percentile
60th
Energy Burden Percentile
49%
Pre-1986 Housing

The Sand Flat Water Supply Corporation serves a community with a median household income of $69,673 and an estimated 46,056 residents across its service area. Approximately 49% of housing stock was built before 1986, which increases the likelihood of lead service lines and older plumbing.

Environmental Justice Note: 33% of the population in this service area is classified as disadvantaged under EPA's EJScreen criteria. Communities with higher disadvantaged populations often face disproportionate environmental and health burdens, including aging water infrastructure and limited resources for remediation.

๐Ÿ’ง Where Does Your Water Come From?

Groundwater

Sand Flat Water Supply Corporation's water is pumped from underground aquifers. Groundwater is naturally filtered through rock and soil, but it can be vulnerable to PFAS contamination, nitrates from agriculture, and industrial chemicals that seep into the water table.

Elevated Risk
Source Contamination Risk
50th
Wastewater Discharge Proximity
20th
Superfund Site Proximity

Infrastructure Risk

38 yr
Avg Pipe Age
Copper
Pipe Material
32 yr
Est. Remaining Life
Moderate Wear
Decay Status
Installed 54% of expected lifespan used End of life

Detected Contaminants

How Sand Flat Water Supply Corporation compares to EPA limits

What This Means For You

Lead and Copper Rule at 2 mg/L exceeds the EPA maximum of mg/L.

Stage 1 DBP Rule at 1 mg/L exceeds the EPA maximum of mg/L.

PFAS Detected in Service Area

PFAS ("forever chemicals") have been detected in water serving this system's area. 6 detections recorded.

State limits: PFOA: 0.07 ppt, PFOS: 0.07 ppt
Health concern: PFAS are linked to cancer, thyroid disease, immune suppression, and developmental effects. They do not break down naturally.
Recommended filter: Reverse osmosis (RO) or activated carbon filters certified for PFAS removal. Find the right filter โ†’

Comparable Water Systems

Similar-sized systems in Texas

2 violations
0 violations
City of Howe
4,548 people
18 violations
11 violations

Estimated Remediation Costs

Average estimated costs across ZIP codes served by this system

Flood Insurance Water Filtration PFAS Treatment
Flood Insurance $1,825
Water Filtration $300
PFAS Treatment $250
Total Estimated Cost $2,375

Based on national averages for common remediation projects. Actual costs vary by property. Only issues flagged by EPA, FEMA, or state data for each ZIP code are included.

Cost of Inaction

If water quality issues in this service area are not addressed, the estimated financial impact per household is:

Estimated Healthcare Costs $500

Annual per household (CDC est.)

PFAS Exposure - Lifetime Cost $1,000

Per person (emerging research est.)

Estimated Cumulative Cost Per Household

5 years
$2,665
10 years
$5,330
20 years
$10,660

Compare: Estimated remediation cost is $2,375 (one-time) vs. $5,330 in estimated inaction costs over 10 years.

Estimates based on published EPA, CDC, and peer-reviewed research. Individual costs vary by household size, property, and health factors. These are conservative lower-bound estimates intended for awareness, not financial advice.

System Overview

Sand Flat Water Supply Corporation (EPA ID: TX2120020) is a community water system in Texas that serves approximately 4,569 people from groundwater sources.

This system provides water to 4 ZIP codes across 3 communities.

ZIP-Area Home Safety Context: B (83/100)

This is the average Home Safety Score for 1 of 4 service-area ZIP codes with all required score domains observed. It is not a grade for the water utility.

Model 4.0.0 uses SDWIS identity plus accepted ECHO SDWA lifecycle-based water compliance, the UCMR 5 PFAS MCL screen, EPA radon zone, and annual EPA AirData AQI across three equally weighted domains. Missing required evidence suppresses the score.

Violation History

1 current noncompliance record in the accepted 2026Q2 snapshot; none are classified as health-based in this evidence.

Status breakdown for accepted records with record years 2021-2026: 2 resolved, 0 archived, 0 addressed, and 1 unaddressed. Under this source contract, current noncompliance is the sum of addressed and unaddressed records. Archived and resolved records are excluded from current noncompliance.

Recent Violations

Date Contaminant Type Status
February 13, 2023 Lead and Copper Rule Non-health-based Unaddressed (current)
January 1, 2022 Stage 1 DBP Rule Non-health-based Resolved
March 15, 2021 Lead and Copper Rule Non-health-based Resolved

Contaminants Detected

The following contaminants have been flagged in EPA records for this water system:

Contaminant Category Violations Health-Based
Lead and Copper Rule Treatment Failure 2 No
Stage 1 DBP Rule Treatment Failure 1 No

Lead & Copper

EPA Lead and Copper Rule evidence attributed directly to this water system:

Lead Level Exceeds Action Level Sample Date
0 mg/L No N/A

No copper action-level exceedance record appears for this PWSID in the accepted LCR snapshot. This does not establish a clean copper measurement.

Radon Risk in Service Area

Dominant radon zone for ZIP codes served by this system: Zone 3 (Low Risk)

Need help with your water quality?

Typical cost: Water test: typically $20โ€“$50 (DIY kit) ยท Professional inspection: $150โ€“$400

Find the Right Water Filter

Free tip: Let cold water run for 2 minutes before drinking โ€” this helps flush lead from your pipes.

ZIP Codes Served

Coverage: Service area ZIP codes sourced from EPA Community Water System Service Area Boundaries v3 (March 2026 release). These ZIPs reflect the actual deployment footprint recorded by TX or modeled from parcel and building-footprint data.

Data Sources

This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View the full compliance record for Sand Flat Water Supply Corporation (TX2120020) on EPA.gov.

Frequently Asked Questions

Is Sand Flat Water Supply Corporation water safe to drink?

The accepted 2026Q2 ECHO snapshot shows 1 current noncompliance record and zero current records classified as health-based. That classification is not a property-specific water test or safety guarantee.

How many people does Sand Flat Water Supply Corporation serve?

Sand Flat Water Supply Corporation serves approximately 4,569 people across 4 ZIP codes in Texas.

Where does Sand Flat Water Supply Corporation get its water?

The primary water source is groundwater.

Federal UCMR5 PFAS Monitoring: Tested Clean

This water system was tested under the federal EPA Unregulated Contaminant Monitoring Rule (UCMR5). No PFAS compounds were detected.

Samples collected
174

Current MCL reflects the lowest state-enforceable limit (NYS 10 ppt for PFOA/PFOS, effective August 2020). The federal final MCL of 4 ppt for PFOA/PFOS (EPA April 2024 rule) is not enforceable until April 2029. Detections above 4 ppt but below 10 ppt are below current MCL but above the future federal limit.

Source: U.S. EPA UCMR5 (Unregulated Contaminant Monitoring Rule, 5th cycle) โ€” per-system federal sampling, 2023โ€“2025. EPA UCMR5 monitoring program โ†’

Understand PFAS health context and filtration โ†’

Frequently Asked Questions

Is water from Sand Flat Water Supply Corporation safe to drink?
Sand Flat Water Supply Corporation earns a B safety grade with 3 violations in the past 5 years. Tap water meets EPA standards for most contaminants.
What contaminants are in Sand Flat Water Supply Corporation's water?
Detected contaminants include Lead and Copper Rule, Stage 1 DBP Rule. Each is compared against EPA maximum contaminant levels (MCLs) in the detailed breakdown above.
Should I use a water filter?
Given 2 contaminants above EPA limits, a certified water filter can provide an extra layer of protection. The best type depends on specific contaminants in your water.
How many people does Sand Flat Water Supply Corporation serve?
Sand Flat Water Supply Corporation serves approximately 4,569 people with drinking water across 4 ZIP codes.
What is Sand Flat Water Supply Corporation's water source?
Sand Flat Water Supply Corporation draws water from groundwater sources. Source type affects which contaminants are most likely to be present.
What is the demographic profile of Sand Flat Water Supply Corporation's service area?
The Sand Flat Water Supply Corporation service area has a median household income of $69,673. EPA EJScreen data classifies 33% of the population as disadvantaged, which may indicate greater vulnerability to environmental health risks.
Where does Sand Flat Water Supply Corporation get its water?
Sand Flat Water Supply Corporation's water is pumped from underground aquifers. Groundwater is naturally filtered through rock and soil, but it can be vulnerable to PFAS contamination, nitrates from agriculture, and industrial chemicals that seep into the water table. Based on the exported violation history and environmental factors, the source contamination risk is classified as elevated.

How to cite this page

APA ZipCheckup. (n.d.). Sand Flat Water Supply Corporation (TX): 3 EPA Violations. https://zipcheckup.com/water-system/tx2120020/
BibTeX
@misc{zipcheckup-water-system-tx2120020,
  author = {{ZipCheckup}},
  title  = {{Sand Flat Water Supply Corporation (TX): 3 EPA Violations}},
  year   = {n.d.},
  url    = {https://zipcheckup.com/water-system/tx2120020/}
}

What You Can Do

1

Test your water

Home test kits can detect lead, bacteria, and other contaminants at your tap. Find the right filter โ†’

2

Check your specific ZIP code

Water quality can vary within a system. View nearest ZIP report โ†’

3

Contact your utility

Sand Flat Water Supply Corporation (EPA ID: TX2120020) - request the latest Consumer Confidence Report or ask about specific contaminants.

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