ZipCheckup grade for 80542: D.
Federal records show several conditions worth reviewing.
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Mead, CO (80542): PFAS Detected in Mapped Water Systems - 42/100
EPA data for Little Thompson Water District
EPA records for the water systems mapped to 80542 in Mead, CO contain zero recorded violations for inclusive record years 2021 through 2026. This does not establish that every category was monitored or published, and it does not cover events outside that source window.
Data source: U.S. Environmental Protection Agency (EPA) SDWIS
At a Glance
- Water No drinking-water violations in EPA records since 2021.
- Lead The reported 90th-percentile lead result of 0.009 mg/L is below the EPA action level, but EPA's health goal for lead is zero; filtration is advisable.
- PFAS At least one PFAS result is above an EPA MCL value (UCMR5 sampling; MCL compliance required from 2029).
- Radon EPA Zone 1 - highest county-level potential. This is not a home measurement; test before any threshold comparison.
- Flood 1 cumulative NFIP claim record. Claim evidence is historical, not current map coverage.
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This report sorts findings for 80542 in Mead into tiers using its own criteria, covering a water system's 90th-percentile lead result above the EPA action level, unresolved violations on record, PFAS and carbon monoxide risk; in the available data, one finding meets the critical criteria and none meets the high-priority criteria, and the card below links to the section with details.
Score Breakdown
Overall Home Safety Score: 42/100
This is the published model score. Component and domain values are shown independently; they are not added together on this page.
Canonical components
Required domains
Coverage: 4 of 4 components and 3 of 3 domains observed.
Model 4.0.0; series home-safety-v4-cross-vertical.
Safety & Health (8) HIGH
Your Water System
ZIP code 80542 in Mead, Colorado is mapped to the water system Little Thompson Water District (EPA ID: CO0135477). This system provides water to approximately 25,654 people from surface water sources.
Other Water Quality Reports in Colorado
- 80001 (Arvada)
- 80002 (Arvada) - 6 violations recorded for mapped water systems
- 80003 (Arvada) - 7 violations recorded for mapped water systems
- 80004 (Arvada) - 6 violations recorded for mapped water systems
- 80005 (Arvada) - 7 violations recorded for mapped water systems
- 80006 (Arvada)
- 80007 (Arvada) - 9 violations recorded for mapped water systems
- 80010 (Aurora)
- 80011 (Aurora)
- 80012 (Aurora) - 34 violations recorded for mapped water systems
- 80013 (Aurora) - 4 violations recorded for mapped water systems
- 80014 (Aurora) - 34 violations recorded for mapped water systems
- 80015 (Aurora) - 4 violations recorded for mapped water systems
- 80016 (Aurora) - 32 violations recorded for mapped water systems
- 80017 (Aurora)
- 80018 (Aurora) - 4 violations recorded for mapped water systems
- 80019 (Aurora) - 34 violations recorded for mapped water systems
- 80020 (Broomfield) - 14 violations recorded for mapped water systems
- 80021 (Broomfield) - 9 violations recorded for mapped water systems
- 80022 (Commerce City)
Nearby Water Quality Reports
- 80501 (Longmont) - 7 mi - 2 violations recorded for mapped water systems
- 80502 (Longmont) - 7 mi
- 80513 (Berthoud) - 7 mi - 15 violations recorded for mapped water systems
- 80504 (Longmont) - 8 mi - 17 violations recorded for mapped water systems
- 80534 (Johnstown) - 8 mi - 20 violations recorded for mapped water systems
- 80520 (Firestone) - 9 mi - 5 violations recorded for mapped water systems
- 80543 (Milliken) - 10 mi - 17 violations recorded for mapped water systems
- 80530 (Frederick) - 10 mi - 5 violations recorded for mapped water systems
- 80503 (Longmont) - 10 mi - 4 violations recorded for mapped water systems
- 80651 (Platteville) - 10 mi - 20 violations recorded for mapped water systems
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View available EPA compliance records for Little Thompson Water District (CO0135477) 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.
PFAS Contamination Detected
PFAS ("forever chemicals") have been reported in samples from water systems associated with ZIP code 80542. One or more compound results are above the level of a federal PFAS MCL with compliance required from 2029.
Detected compounds: PFOA.
Highest measured level: 0.0048 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.
Environmental Hazards (11) MODERATE
Home & Infrastructure (6) OK
Cost & Community (9) HIGH
CPSC product recall notices
These national notices are not matched to this ZIP code or water system.
Protect Your Home in Mead
Based on local data for ZIP 80542, 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 Mead has 1 FEMA flood claim 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 Colorado 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 NeedsService 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 80542 safe to drink?
EPA SDWIS records 0 violations since 2021 across the water systems mapped to ZIP 80542 (primary system: Little Thompson Water District), including 0 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 80542's water come from?
The recorded water source for Little Thompson Water District, a system mapped to ZIP code 80542, is Surface water. This system serves approximately 25,654 people.
How does Mead water compare to the national average?
Mead's Home Safety Score ranks lower than 97% of U.S. ZIP codes, and lower than 94% of ZIP codes within Colorado.
How can I get my water tested in Mead?
If Little Thompson Water 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 80542 tap water?
The Lead and Copper Rule record selected for 80542 reports a 90th-percentile lead result of 0.009 mg/L for a water system mapped to this ZIP (record date 1996-12-31). 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 80542?
80542 is mapped to a county in EPA Radon Zone 1 (high county-level radon potential; EPA recommends testing every home), located in Weld 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 80542's water?
Yes, PFAS have been detected in samples from water systems mapped to 80542. One or more PFAS results are above the level of a federal PFAS MCL with compliance required from 2029. 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 80542?
FEMA records contain 1 flood insurance claim filed in ZIP code 80542; the recorded rated-zone value (the most frequent one if there are several claims) is C, 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
ZipCheckup. (2026). Mead, CO (80542): PFAS Detected in Mapped Water Systems - 42/100. https://zipcheckup.com/report/80542/
@misc{zipcheckup-report-80542,
author = {{ZipCheckup}},
title = {{Mead, CO (80542): PFAS Detected in Mapped Water Systems - 42/100}},
year = {2026},
url = {https://zipcheckup.com/report/80542/}
}
Page version: October 2026.
Nearby ZIP Code Reports
Water quality comparison for ZIP codes near 80542
| ZIP Code | City, State | Distance | Grade | Violations |
|---|---|---|---|---|
| 80501 | Longmont, CO | 6.6 mi | C | 2 |
| 80502 | Longmont, CO | 7.1 mi | N/A | 0 |
| 80513 | Berthoud, CO | 7.2 mi | D | 15 |
| 80504 | Longmont, CO | 7.6 mi | F | 17 |
| 80534 | Johnstown, CO | 8.0 mi | F | 20 |
| 80520 | Firestone, CO | 9.1 mi | C | 5 |
| 80543 | Milliken, CO | 10.0 mi | F | 17 |
| 80530 | Frederick, CO | 10.2 mi | C | 5 |
| 80503 | Longmont, CO | 10.2 mi | D | 4 |
| 80651 | Platteville, CO | 10.5 mi | F | 20 |
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