ZipCheckup grade for 75166: A.

Checked records flag no major concern; missing data is unknown.

Health Violations Found
A 92

Lavon, TX (75166): PFAS Detected in Mapped Water Systems - 92/100

EPA data combined for 5 water systems mapped to this ZIP (largest mapped system: Bear Creek Special Utility District)

Health Violations Found PFAS Detected

Health-based violation records by water system:

EPA records for the water systems mapped to 75166 in Lavon, TX contain 12 recorded violations for inclusive record years 2021 through 2026, all mapped systems combined; 1 are marked health-based.

Data source: U.S. Environmental Protection Agency (EPA) SDWIS

Based on EPA Drinking Water FEMA Flood Data U.S. Census CDC Energy Information Admin. USGS Water Data & 9 more federal sources
Latest air quality, EPA records and weather alerts Current data temporarily unavailable
Current EPA violation data unavailable
Water records and current conditions
Current EPA violation data unavailable
Safety Score
A 92/100
Water Quality Issues 1 health-based violation
Lead Risk Below action level 0.0011 mg/L, 90th percentile, sample period ending 2025-12-31
NFIP Claim History Claim records 2 claims
Data confidence: High (direct measurement) Medium (sampled / sub-geography) Low (modeled / inferred) Methodology →

At a Glance

  • Water EPA records for water systems mapped to this ZIP show 1 health-based violation and 11 non-health-based (since 2021).
  • Lead The reported 90th-percentile lead result of 0.0011 mg/L is below the EPA action level for water systems; EPA's health goal for lead is zero.
  • PFAS PFAS detected in UCMR5 sampling; see the PFAS section for each compound, compared with the federal PFAS MCL where one exists.
  • Radon EPA Zone 3 - county-level radon potential, not evidence of a low home result.
  • Flood 2 cumulative NFIP claim records. Claim evidence is historical, not current map coverage.
Contaminant Summary
Health Violations
12 violations 1 health-based PFAS detected
Report data assembled: Jul 27, 2026 EPA water-system identity: source date or period is not present in ZipCheckup's accepted source record EPA violation history: more than two update cycles old Lead, copper and UCMR measurements: source date or period is not present in ZipCheckup's accepted source record
A
ZIP-level Home Safety model score: 92 / 100
Home Safety Score higher than 84% of ZIP codes nationwide
5
Water Systems
15,822
People Served
1
Health Violations (since 2021)Median is 0
Surface water
Water Source
0.00112 mg/L
Reported Lead ResultBelow the national median of system results
Zone 3
County Radon Potential · Low
$385K
Median Home Value98% above state median ($195K)

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Score Breakdown

Overall Home Safety Score: 92/100

This is the published model score. Component and domain values are shown independently; they are not added together on this page.

Canonical components

EPA water compliance
50/100
Observed
PFAS MCL screen
100/100
Observed
EPA radon zone
100/100
Observed
Annual EPA AirData AQI
100/100
Observed

Required domains

Drinking water
75/100
Indoor environment
100/100
Outdoor environment
100/100

Coverage: 4 of 4 components and 3 of 3 domains observed.

Model 4.0.0; series home-safety-v4-cross-vertical.

Safety & Health (7) CRITICAL

Your Water System

ZIP code 75166 in Lavon, Texas is mapped to the water system Bear Creek Special Utility District (EPA ID: TX0430037). This system provides water to approximately 15,822 people from surface water sources.

There are 5 community water systems serving this area.

Water Systems Serving This Area

System Name EPA ID Population Source
Bear Creek Special Utility District TX0430037 15,822 Surface water
Nevada Special Utility District TX0430053 4,218 Surface water
City of Josephine TX0430036 9,800 Surface water
City of Royse City TX1990002 24,313 Surface water
Copeville Special Utility District TX0430029 8,438 Surface water

Other Water Quality Reports in Texas

Nearby Water Quality Reports

Data Sources

This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View available EPA compliance records for Bear Creek Special Utility District (TX0430037) on EPA.gov.

5 of the top compounds applied across the surrounding county in USGS pesticide-use estimates appear on EPA drinking-water monitoring lists. See the agricultural pesticide-use section.

📊 EPA Safe Drinking Water · View source →

PFAS Contamination Detected

PFAS ("forever chemicals") have been reported in samples from water systems associated with ZIP code 75166.

Detected compounds: 6:2 FTS, PFBA, PFPeA, PFHxA, PFBS.

Highest measured level: 0.018 µg/L

Reverse osmosis (RO) and activated carbon block filters can reduce PFAS at the tap. Certifications list the compounds covered: an NSF/ANSI 53 or 58 claim for PFOA/PFOS does not cover every PFAS, so check that the product lists the compounds detected here.

📊 EPA UCMR5 · View source →
Environmental Hazards (11) MODERATE
Home & Infrastructure (6) OK
Cost & Community (9) MODERATE

CPSC product recall notices

These national notices are not matched to this ZIP code or water system.

View all recalls →

📊 CPSC · View source →

Protect Your Home in Lavon

Based on local data for ZIP 75166, these services may benefit homeowners in your area.

Based on local data for your area. Use the tools below to explore your options.

Home & Flood Insurance

The ZIP code for this report in Lavon has 2 FEMA flood claims on record. Standard homeowner policies don't cover flood damage - make sure you're protected.

Typical cost: Flood insurance: premiums vary by property and flood zone; request a quote

Check Your Flood Zone (Free)

FEMA flood map lookup - see if your property is in a flood zone

Free tip: Check your FEMA flood zone at msc.fema.gov (free lookup)

Roofing Inspection & Repair

Active weather alerts in Texas increase the risk of roof damage from hail and high winds. A professional inspection can identify vulnerabilities.

Typical cost: Roof inspection: typically $75–$300; repairs $300–$1,500

Estimate Your Home Insurance Needs

Service recommendations are based on public data for this ZIP code (FEMA, Census ACS, NWS). Actual needs vary by property. By calling, your information will be shared with an independent service provider. ZipCheckup may receive compensation. Cost estimates are approximate and vary by property, condition, and contractor.

Frequently Asked Questions

Is the tap water in 75166 safe to drink?

EPA SDWIS records 12 violations since 2021 across the water systems mapped to ZIP 75166 (primary system: Bear Creek Special Utility District), including 1 health-based. The violation table above shows which system each record belongs to. ZipCheckup last updated this page in July 2026. The federal source release date is unavailable, so that month is not presented as source currency.

Where does 75166's water come from?

The recorded water source for Bear Creek Special Utility District, a system mapped to ZIP code 75166, is Surface water. This system serves approximately 15,822 people.

How does Lavon water compare to the national average?

Lavon's Home Safety Score ranks better than 84% of U.S. ZIP codes, and at or above 83% within Texas.

How can I get my water tested in Lavon?

If Bear Creek Special Utility District supplies your home, contact it for its Consumer Confidence Report; otherwise contact the water utility that serves your address, or hire a certified lab for independent home water testing. The EPA recommends annual testing if you use a private well.

Is lead a concern in 75166 tap water?

The Lead and Copper Rule record selected for 75166 reports a 90th-percentile lead result of 0.00112 mg/L for a water system mapped to this ZIP (record date 2025-12-31). The EPA action level is 0.015 mg/L. This result is below the EPA action level; it does not show the lead level in each home.

What is the radon risk for 75166?

75166 is mapped to a county in EPA Radon Zone 3 (low county-level radon potential; EPA recommends testing every home), located in Collin County. EPA radon zones range from Zone 1 (highest county-level potential) to Zone 3 (lowest). Testing your home is recommended regardless of zone.

Are there PFAS (forever chemicals) in 75166's water?

Yes, PFAS have been detected in samples from water systems mapped to 75166. Reverse osmosis and activated carbon filters certified to NSF/ANSI 53 or 58 specifically for PFOA/PFOS reduction can reduce PFAS.

What does the NFIP claim history show for ZIP 75166?

FEMA records contain 2 flood insurance claims filed in ZIP code 75166; the recorded rated-zone value (the most frequent one if there are several claims) is X, which is claims evidence and may differ from the current FEMA map zone for a property. Claim records do not establish current property risk. Review FEMA's map for the specific property.

How to cite this page

APA ZipCheckup. (2026). Lavon, TX (75166): PFAS Detected in Mapped Water Systems - 92/100. https://zipcheckup.com/report/75166/
BibTeX 
@misc{zipcheckup-report-75166,
  author = {{ZipCheckup}},
  title  = {{Lavon, TX (75166): PFAS Detected in Mapped Water Systems - 92/100}},
  year   = {2026},
  url    = {https://zipcheckup.com/report/75166/}
}

Page version: October 2026.

Nearby ZIP Code Reports

Water quality comparison for ZIP codes near 75166

ZIP Code City, State Distance Grade Violations
75173 Nevada, TX 4.3 mi A 9
75087 Rockwall, TX 4.5 mi B 38
75121 Copeville, TX 5.2 mi N/A 0
75189 Royse City, TX 5.5 mi C 46
75098 Wylie, TX 5.9 mi A 24
75132 Fate, TX 6.0 mi N/A 1
75164 Josephine, TX 8.2 mi A 2
75089 Rowlett, TX 8.7 mi A 2
75032 Rockwall, TX 9.0 mi A 24
75088 Rowlett, TX 9.9 mi A 3

Contaminants Detected in 75166

Learn more about the contaminants found in your water supply:

Overall safety breakdown

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2026 Rankings

ZIP 75166 scores in the top tier nationally.

Coverage: 14/17 risk factors Data sources →
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