Historical Compliance Records TX 1 HEALTH-BASED VIOLATION ON RECORD

Sunnydale Water Supply Corporation

EPA ID: TX1400027 ยท 162 people served ยท 1 ZIP code

ZipCheckup's reading of EPA records for Sunnydale Water Supply Corporation (TX1400027): 1 health-based violation recorded since 2021. Over the period covered by EPA data, Sunnydale Water Supply Corporation recorded 23 violations, each listed as resolved; the utility serves 162 residents.

Data: EPA SDWIS

162
People Served
1
ZIP Code Served
23
Violations (since 2021)
Groundwater
Water Source
0.0007 mg/L
Most recent lead 90th percentile on record (monitoring period ending 2025-12-31)
5
Contaminants Flagged
$77K
Median Home Value in ZIP Codes Served

Service Area Map

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

Service area boundary

Demographics of ZIP Codes Served

$57,035
Median Household Income
6,707
Population of ZIP Codes Served (Census)
100%
Disadvantaged Population
80th
Poverty Percentile
60th
Energy Burden Percentile
80%
Pre-1986 Housing

The ZIP codes associated with Sunnydale Water Supply Corporation have a median household income of $57,035 and about 6,707 residents live in those ZIP codes (Census; not the number of people this system supplies). Approximately 80% of housing stock was built before 1986, which increases the likelihood of lead service lines and older plumbing.

Environmental Justice Note: On average, 100% of census tracts in the counties mapped to this service area are designated disadvantaged by the federal Climate and Economic Justice Screening Tool (CEJST, 2022 version). 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

Sunnydale Water Supply Corporation's water is classified in EPA records as a groundwater source. 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.

Moderate Risk
Source Contamination Risk
0th
Wastewater Discharge Proximity
20th
Superfund Site Proximity

Infrastructure Risk

64 yr
Estimated pipe age (modeled from housing age)
Galvanized Steel or Copper
Likely pipe material (modeled)
1 yr
Est. Remaining Life
Moderate Wear
Decay Status
Installed 98% of expected lifespan used (estimate) End of life

Comparable Water Systems

Similar-sized systems in Texas

242 violations
0 violations
3 violations
0 violations
City of Midway
173 people
2 violations

Estimated Remediation Costs

Average estimated costs across ZIP codes served by this system

Water Filtration
Water Filtration $300
Total Estimated Cost $300

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

Illustrative per-household cost scenario based on stated assumptions:

Estimated Healthcare Costs $1,500

Annual per household (ZipCheckup estimate)

Estimated Cumulative Cost Per Household

5 years
$7,500
10 years
$15,000
20 years
$30,000

Compare: Estimated remediation cost is $300 (one-time) vs. $15,000 in estimated inaction costs over 10 years.

Individual costs vary by household size, property, and health factors. These estimates are for awareness, not financial advice.

System Overview

Sunnydale Water Supply Corporation (EPA ID: TX1400027) is a community water system in Texas that serves approximately 162 people from groundwater sources.

This system serves ZIP code 79339 in Littlefield.

Violation History

No current noncompliance in the accepted 2026Q2 snapshot. The 23 records in the 2021-2026 window are classified as resolved or archived, not current.

Status breakdown for accepted records with record years 2021-2026: 23 resolved, 0 archived, 0 addressed, and 0 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 1, 2026 Lead and Copper Rule Non-health-based Resolved
March 5, 2026 Public Notice Non-health-based Resolved
October 1, 2025 Chlorine Non-health-based Resolved
July 1, 2025 Lead and Copper Rule Non-health-based Resolved
May 1, 2025 Public Notice Non-health-based Resolved
March 10, 2025 Public Notice Non-health-based Resolved
January 1, 2025 Lead and Copper Rule Non-health-based Resolved
October 17, 2024 LEAD AND COPPER RULE REVISIONS Health-based Resolved
October 17, 2024 LEAD AND COPPER RULE REVISIONS Non-health-based Resolved
September 29, 2024 Lead and Copper Rule Non-health-based Resolved
January 1, 2024 Lead and Copper Rule Non-health-based Resolved
December 31, 2023 Public Notice Non-health-based Resolved
September 29, 2023 Lead and Copper Rule Non-health-based Resolved
October 1, 2022 Lead and Copper Rule Non-health-based Resolved
December 23, 2021 Public Notice Non-health-based Resolved
December 19, 2021 Public Notice Non-health-based Resolved
October 2, 2021 Public Notice Non-health-based Resolved
October 1, 2021 Lead and Copper Rule Non-health-based Resolved
September 1, 2021 Revised Total Coliform Rule Non-health-based Resolved
July 1, 2021 Chlorine Non-health-based Resolved

Contaminants Detected

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

Contaminant Category Violations Health-Based
Public Notice Monitoring & Reporting 8 No
Public Notice Other (notice or report rule) 7 No
Chlorine Monitoring & Reporting 4 No
LEAD AND COPPER RULE REVISIONS Treatment Technique, Monitoring & Reporting 2 Yes
Chlorine Monitoring & Reporting 2 No

Lead & Copper

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

Lead Level Exceeds Action Level Sample Date
0.0007 mg/L No 2025-12-31

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

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: Ask your water utility whether running cold water for 2 minutes is enough to flush your plumbing before drinking.

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 available EPA compliance records for Sunnydale Water Supply Corporation (TX1400027) on EPA.gov.

Frequently Asked Questions

Is Sunnydale Water Supply Corporation water safe to drink?

The accepted 2026Q2 ECHO snapshot shows no current noncompliance for Sunnydale Water Supply Corporation; its 23 accepted 2021-2026 records are resolved or archived. Historical compliance status does not establish conditions at a specific tap.

How many people does Sunnydale Water Supply Corporation serve?

Sunnydale Water Supply Corporation serves approximately 162 people across 1 ZIP code in Texas.

Where does Sunnydale Water Supply Corporation get its water?

The primary water source is groundwater.

Frequently Asked Questions

Should I use a water filter? ▼
Given 23 recorded violations, review the violation types and dates; a filter certified for a specific contaminant of concern can reduce that contaminant at the tap. Monitoring or reporting violations are not something a filter addresses.
How many people does Sunnydale Water Supply Corporation serve? ▼
Sunnydale Water Supply Corporation serves approximately 162 people with drinking water across 1 ZIP code.
What is Sunnydale Water Supply Corporation's water source? ▼
Sunnydale Water Supply Corporation draws water from groundwater sources. Source type affects which contaminants are most likely to be present.
Is there lead in Sunnydale Water Supply Corporation's water? ▼
The most recent 90th-percentile lead result on record is 0.0007 mg/L (sample period ending 2025-12-31). This is at or below the EPA lead action level, which triggers system action and is not a safe level; the EPA health goal for lead is zero.
What is the demographic profile of the ZIP codes associated with Sunnydale Water Supply Corporation? ▼
The ZIP codes mapped to Sunnydale Water Supply Corporation have a median household income of $57,035 (Census ZIP-code estimate). In CEJST data, 100% of census tracts in the counties mapped to this area are designated disadvantaged (average across mapped ZIP codes), which may indicate greater vulnerability to environmental health risks.
Where does Sunnydale Water Supply Corporation get its water? ▼
Sunnydale Water Supply Corporation's water is classified in EPA records as a groundwater source. 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 available data, the modeled source-contamination category is moderate; test local water to assess actual exposure.

How to cite this page

APA ZipCheckup. (n.d.). Sunnydale Water Supply Corporation (TX): 1 Health Violation. https://zipcheckup.com/water-system/tx1400027/
BibTeX
@misc{zipcheckup-water-system-tx1400027,
  author = {{ZipCheckup}},
  title  = {{Sunnydale Water Supply Corporation (TX): 1 Health Violation}},
  year   = {n.d.},
  url    = {https://zipcheckup.com/water-system/tx1400027/}
}

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

Sunnydale Water Supply Corporation (EPA ID: TX1400027) - request the latest Consumer Confidence Report or ask about specific contaminants.

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