ZipCheckup grade for 85131: C.

A mixed picture - some signals here are worth your attention.

Your top priority: match a filter's certification to the violations (18 health-based violations). Check your ZIP → NSF certified filters

Health Violations Found
C 58

Eloy, AZ (85131): 18 Health-Based Violations Recorded for Mapped Water Systems - 58/100

EPA data combined for 5 water systems mapped to this ZIP (largest mapped system: City of Eloy)

Health Violations Found PFAS Detected

Health-based violation records by water system:

EPA records for the water systems mapped to 85131 in Eloy, AZ contain 70 recorded violations for inclusive record years 2021 through 2026, all mapped systems combined; 18 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
C 58/100
Water Quality Issues 18 health-based violation records
Lead Risk Below action level 0.0018 mg/L, 90th percentile, sample period ending 2025-12-31
NFIP Claim History Claim records 4 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 18 health-based violations and 52 non-health-based (since 2021).
  • Lead The reported 90th-percentile lead result of 0.0018 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 2 - county-level radon potential, not a home measurement.
  • Flood 4 cumulative NFIP claim records. Claim evidence is historical, not current map coverage.
Contaminant Summary
Health Violations
70 violations 18 health-based PFAS detected 1 risk identified
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
C
ZIP-level Home Safety model score: 58 / 100
Bottom 15% of U.S. ZIP codes
5
Water Systems
7,903
People Served
18
Health Violations (since 2021)Median is 0
Groundwater
Water Source
0.0018 mg/L
Reported Lead Result
Zone 2
County Radon Potential · Moderate
$244K
Median Home Value15% below state median ($287K)

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Score Breakdown

Overall Home Safety Score: 58/100

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
0/100
Observed
PFAS MCL screen
100/100
Observed
EPA radon zone
50/100
Observed
Annual EPA AirData AQI
75/100
Observed

Required domains

Drinking water
50/100
Indoor environment
50/100
Outdoor environment
75/100

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

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

Safety & Health (8) CRITICAL

Your Water System

ZIP code 85131 in Eloy, Arizona is mapped to the water system City of Eloy (EPA ID: AZ0411030). This system provides water to approximately 7,903 people from groundwater sources.

There are 5 community water systems serving this area.

Water Systems Serving This Area

System Name EPA ID Population Source
City of Eloy AZ0411030 7,903 Groundwater
Villa Grande Dwid AZ0411321 283 Groundwater
Picacho Water Company AZ0411135 2,440 Groundwater
Cca - Eloy Complex AZ0411115 8,852 Groundwater
Arizona Water Company - Pinal Valley AZ0411009 134,432 Groundwater

Other Water Quality Reports in Arizona

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 City of Eloy (AZ0411030) on EPA.gov.

2 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 →

Compliance History

2021 3 2022 4 2023 4 2024 4 2025
Health-based (MCL/TT) Other violations

PFAS Contamination Detected

PFAS ("forever chemicals") have been reported in samples from water systems associated with ZIP code 85131.

Detected compounds: PFBS, PFPeA, PFBA, PFHxA, PFHpA, PFHxS.

Highest measured level: 0.0911 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 →

Health Risks from Detected Contaminants

Nitrate

High Risk

EPA reference value: 10 mg/L (as nitrogen) · 19 violations on record

Blue baby syndrome in infants; potential cancer risk in adults

At-risk groups: infants under 6 months, pregnant women, people with G6PD deficiency

Treatment options (verify a product is certified to reduce this contaminant): reverse osmosis, ion exchange (anion resin), distillation · Find a filter →

Learn more about Nitrate in drinking water →

📊 EPA SDWIS + SDWA · View source →
Environmental Hazards (11) HIGH
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.

View all recalls →

📊 CPSC · View source →

Protect Your Home in Eloy

Based on local data for ZIP 85131, 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 Eloy has 4 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)

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 85131 safe to drink?

EPA SDWIS records 70 violations since 2021 across the water systems mapped to ZIP 85131 (primary system: City of Eloy), including 18 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 85131's water come from?

The recorded water source for City of Eloy, a system mapped to ZIP code 85131, is Groundwater. This system serves approximately 7,903 people.

How does Eloy water compare to the national average?

Eloy's Home Safety Score ranks lower than 85% of U.S. ZIP codes, and lower than 83% of ZIP codes within Arizona.

How can I get my water tested in Eloy?

If City of Eloy 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 85131 tap water?

The Lead and Copper Rule record selected for 85131 reports a 90th-percentile lead result of 0.0018 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 85131?

85131 is mapped to a county in EPA Radon Zone 2 (moderate county-level radon potential; EPA recommends testing every home), located in Pinal 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 85131's water?

Yes, PFAS have been detected in samples from water systems mapped to 85131. 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 85131?

FEMA records contain 4 flood insurance claims filed in ZIP code 85131; 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

APA ZipCheckup. (2026). Eloy, AZ (85131): 18 Health-Based Violations Recorded for Mapped Water Systems - 58/100. https://zipcheckup.com/report/85131/
BibTeX 
@misc{zipcheckup-report-85131,
  author = {{ZipCheckup}},
  title  = {{Eloy, AZ (85131): 18 Health-Based Violations Recorded for Mapped Water Systems - 58/100}},
  year   = {2026},
  url    = {https://zipcheckup.com/report/85131/}
}

Page version: October 2026.

Nearby ZIP Code Reports

Water quality comparison for ZIP codes near 85131

ZIP Code City, State Distance Grade Violations
85231 Eloy, AZ 2.9 mi N/A 0
85123 Arizona City, AZ 5.1 mi N/A 25
85223 Arizona City, AZ 5.7 mi N/A 0
85241 Picacho, AZ 6.1 mi N/A 0
85130 Casa Grande, AZ 8.4 mi N/A 0
85141 Picacho, AZ 9.4 mi N/A 0
85194 Casa Grande, AZ 10.5 mi N/A 72
85294 Casa Grande, AZ 11.8 mi N/A 0
85222 Casa Grande, AZ 11.8 mi N/A 0
85230 Casa Grande, AZ 12.7 mi N/A 0

Contaminants Detected in 85131

Learn more about the contaminants found in your water supply:

Overall safety breakdown

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