Current Noncompliance TX 1 HEALTH VIOLATION

Walnut Creek Special Utility District

EPA ID: TX1840008 ยท 30,364 people served ยท 7 ZIP codes

ZipCheckup's reading of EPA SDWIS for Walnut Creek Special Utility District (TX1840008): 3 unresolved EPA violations on record. EPA compliance records for Walnut Creek Special Utility District show 3 unresolved violations - findings that remain open and are tracked at the federal level, covering a service territory of approximately 30,364 people.

Data: EPA SDWIS

B ยท 78
Avg Safety Score
30,364
People Served
7
ZIP Codes Served
5
Violations (5yr)
Surface Water
Water Source
0.0012 mg/L
Max Lead Level
Zone 3
Radon Risk ยท Low
3
Contaminants Flagged
$278K
Median Home Value in Service Area

Service Area Map

Coverage area for Walnut Creek Special Utility District Source: EPA SDWIS service area boundaries.

Service area boundary - Grade B

Service Area Demographics

$91,000
Median Household Income
97,610
Service Area Population
21%
Disadvantaged Population
44th
Poverty Percentile
44th
Energy Burden Percentile
36%
Pre-1986 Housing

The Walnut Creek Special Utility District serves a community with a median household income of $91,000 and an estimated 97,610 residents across its service area.

๐ŸŒŠ Where Does Your Water Come From?

Surface Water

Walnut Creek Special Utility District's water is drawn from rivers, lakes, or reservoirs. Surface water sources are more exposed to agricultural runoff, stormwater, and upstream discharges, but they typically receive more intensive treatment before reaching your tap.

Elevated Risk
Source Contamination Risk
40th
Wastewater Discharge Proximity
57th
Superfund Site Proximity

Infrastructure Risk

33 yr
Avg Pipe Age
Copper
Pipe Material
36 yr
Est. Remaining Life
Moderate Wear
Decay Status
Installed 48% of expected lifespan used End of life

Detected Contaminants

How Walnut Creek Special Utility District compares to EPA limits

What This Means For You

Stage 2 DBP Rule at 2 mg/L exceeds the EPA maximum of mg/L.

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. 15 detections recorded. 1 exceeds federal EPA limits (4 ppt for PFOA/PFOS).

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

Galveston County Wcid 1
30,399 people
B 1 violation
City of Sachse
30,630 people
A 0 violations
City of San Juan
30,000 people
B 1 violation
1 violation
City of Converse
29,709 people
A 0 violations

Estimated Remediation Costs

Average estimated costs across ZIP codes served by this system

Flood Insurance PFAS Treatment Water Filtration
Flood Insurance $1,043
PFAS Treatment $514
Water Filtration $171
Total Estimated Cost $1,729

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 $1,000

Annual per household (CDC est.)

PFAS Exposure - Lifetime Cost $1,000

Per person (emerging research est.)

Estimated Cumulative Cost Per Household

5 years
$5,165
10 years
$10,330
20 years
$20,660

Compare: Estimated remediation cost is $1,729 (one-time) vs. $10,330 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

Walnut Creek Special Utility District (EPA ID: TX1840008) is a community water system in Texas that serves approximately 30,364 people from surface water sources.

This system provides water to 7 ZIP codes across 7 communities.

ZIP-Area Home Safety Context: B (78/100)

This is the average Home Safety Score for 3 of 7 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

3 current noncompliance records 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 3 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
April 2, 2026 Lead and Copper Rule Non-health-based Unaddressed (current)
May 1, 2025 Lead and Copper Rule Non-health-based Unaddressed (current)
December 30, 2024 Stage 1 DBP Rule Non-health-based Unaddressed (current)
October 17, 2024 Stage 2 DBP Rule Health-based Resolved
October 17, 2024 Stage 2 DBP 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
Stage 2 DBP Rule Treatment Failure 2 Yes
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
0.0012 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 Walnut Creek Special Utility District (TX1840008) on EPA.gov.

Frequently Asked Questions

Is Walnut Creek Special Utility District water safe to drink?

The accepted 2026Q2 ECHO snapshot shows 3 current noncompliance records and zero current records classified as health-based. That classification is not a property-specific water test or safety guarantee.

How many people does Walnut Creek Special Utility District serve?

Walnut Creek Special Utility District serves approximately 30,364 people across 7 ZIP codes in Texas.

Where does Walnut Creek Special Utility District get its water?

The primary water source is surface water.

Federal UCMR5 PFAS Monitoring: Detected

This water system was tested under the federal EPA Unregulated Contaminant Monitoring Rule (UCMR5). PFAS compounds were detected below the current state-enforceable MCL.

Samples collected
116
Detections
4
Latest sample
11/6/2023
Highest analyte
PFBA: 7.3 ppt
Analyte Max detected Current MCL Status
PFBA 7.3 ppt โ€” โ€”

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 Walnut Creek Special Utility District safe to drink?
Walnut Creek Special Utility District earns a B safety grade with 5 violations in the past 5 years. Tap water meets EPA standards for most contaminants.
What contaminants are in Walnut Creek Special Utility District's water?
Detected contaminants include Stage 2 DBP Rule, 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 3 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 Walnut Creek Special Utility District serve?
Walnut Creek Special Utility District serves approximately 30,364 people with drinking water across 7 ZIP codes.
What is Walnut Creek Special Utility District's water source?
Walnut Creek Special Utility District draws water from surface water sources. Source type affects which contaminants are most likely to be present.
Is there lead in Walnut Creek Special Utility District's water?
The maximum detected lead level is 0.0012 mg/L. This is within EPA action level guidelines.
What is the demographic profile of Walnut Creek Special Utility District's service area?
The Walnut Creek Special Utility District service area has a median household income of $91,000. Demographic data is sourced from the U.S. Census Bureau and EPA EJScreen.
Where does Walnut Creek Special Utility District get its water?
Walnut Creek Special Utility District's water is drawn from rivers, lakes, or reservoirs. Surface water sources are more exposed to agricultural runoff, stormwater, and upstream discharges, but they typically receive more intensive treatment before reaching your tap. 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.). Walnut Creek Special Utility District: 1 Health Violation. https://zipcheckup.com/water-system/tx1840008/
BibTeX
@misc{zipcheckup-water-system-tx1840008,
  author = {{ZipCheckup}},
  title  = {{Walnut Creek Special Utility District: 1 Health Violation}},
  year   = {n.d.},
  url    = {https://zipcheckup.com/water-system/tx1840008/}
}

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

Walnut Creek Special Utility District (EPA ID: TX1840008) - request the latest Consumer Confidence Report or ask about specific contaminants.

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