ZipCheckup grade for 85264: B.

This ZIP has a few items worth a quick check.

Your top priority: use a filter certified to reduce PFAS; check which ones. Check your ZIP → EPA PFAS info

Water Quality Report
B 74

Fort Mcdowell, AZ (85264): 5 Violations Recorded for Mapped Water Systems - 74/100

EPA data for City of Scottsdale

PFAS Detected

EPA records for the water systems mapped to 85264 in Fort Mcdowell, AZ contain 5 recorded violations for inclusive record years 2021 through 2026, all mapped systems combined; 0 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
B 74/100
Water Quality Concerns 5 non-health-based violation records in EPA data
Lead Risk Below action level 0.0023 mg/L, 90th percentile, sample period ending 2023-12-31
NFIP Claim History N/A
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 5 violations (non-health) (since 2021).
  • Lead The reported 90th-percentile lead result of 0.0023 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.
Contaminant Summary
Violations on record (not health-based)
5 violations 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 Consumer Confidence Report: source date or period is not present in ZipCheckup's accepted source record
B
ZIP-level Home Safety model score: 74 / 100
Bottom 49% of U.S. ZIP codes
1
Water System
241,361
People Served
0
Health Violations (since 2021)
Surface water
Water Source
0.0023 mg/L
Reported Lead Result
Zone 2
County Radon Potential · Moderate
$390K
Median Home Value36% above state median ($287K)

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Score Breakdown

Overall Home Safety Score: 74/100

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
92/100
Observed
PFAS MCL screen
100/100
Observed
EPA radon zone
50/100
Observed
Annual EPA AirData AQI
75/100
Observed

Required domains

Drinking water
96/100
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) HIGH

Your Water System

ZIP code 85264 in Fort Mcdowell, Arizona is mapped to the water system City of Scottsdale (EPA ID: AZ0407098). This system provides water to approximately 241,361 people from surface water sources.

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 Scottsdale (AZ0407098) on EPA.gov.

4 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 85264.

Detected compounds: PFBS.

Highest measured level: 0.0032 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 (10) HIGH
Home & Infrastructure (6) OK
Cost & Community (6) OK

CPSC product recall notices

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

View all recalls →

📊 CPSC · View source →

Frequently Asked Questions

Is the tap water in 85264 safe to drink?

EPA SDWIS records 5 violations since 2021 across the water systems mapped to ZIP 85264 (primary system: City of Scottsdale), 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 85264's water come from?

The recorded water source for City of Scottsdale, a system mapped to ZIP code 85264, is Surface water. This system serves approximately 241,361 people.

How does Fort Mcdowell water compare to the national average?

Fort Mcdowell's Home Safety Score ranks lower than 51% of U.S. ZIP codes, and at or above 73% within Arizona.

How can I get my water tested in Fort Mcdowell?

If City of Scottsdale 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 85264 tap water?

The Lead and Copper Rule record selected for 85264 reports a 90th-percentile lead result of 0.0023 mg/L for a water system mapped to this ZIP (record date 2023-12-31). 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 85264?

85264 is mapped to a county in EPA Radon Zone 2 (moderate county-level radon potential; EPA recommends testing every home), located in Maricopa 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 85264's water?

Yes, PFAS have been detected in samples from water systems mapped to 85264. Reverse osmosis and activated carbon filters certified to NSF/ANSI 53 or 58 specifically for PFOA/PFOS reduction can reduce PFAS.

How to cite this page

APA ZipCheckup. (2026). Fort Mcdowell, AZ (85264): 5 Violations Recorded for Mapped Water Systems - 74/100. https://zipcheckup.com/report/85264/
BibTeX 
@misc{zipcheckup-report-85264,
  author = {{ZipCheckup}},
  title  = {{Fort Mcdowell, AZ (85264): 5 Violations Recorded for Mapped Water Systems - 74/100}},
  year   = {2026},
  url    = {https://zipcheckup.com/report/85264/}
}

Page version: October 2026.

Nearby ZIP Code Reports

Water quality comparison for ZIP codes near 85264

ZIP Code City, State Distance Grade Violations
85269 Fountain Hills, AZ 2.1 mi N/A 0
85268 Fountain Hills, AZ 2.5 mi B 9
85263 Rio Verde, AZ 7.7 mi B 3
85259 Scottsdale, AZ 9.3 mi B 9
85215 Mesa, AZ 10.0 mi C 26
85260 Scottsdale, AZ 11.9 mi B 8
85205 Mesa, AZ 12.2 mi C 26
85207 Mesa, AZ 12.6 mi C 26
85262 Scottsdale, AZ 12.6 mi B 10
85258 Scottsdale, AZ 12.7 mi B 5

Contaminants Detected in 85264

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Coverage: 14/17 risk factors Data sources →
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