ZipCheckup grade for 85388: C.

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

Health Violations Found
C 66

Surprise, AZ (85388): 2 Health-Based Violations Recorded for Mapped Water Systems - 66/100

EPA data for Epcor - Agua Fria

Health Violations Found

Health-based violation records by water system:

EPA records for the water systems mapped to 85388 in Surprise, AZ contain 47 recorded violations for inclusive record years 2021 through 2026, all mapped systems combined; 2 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 66/100
Water Quality Issues 2 health-based violation records
Lead Risk Below action level Below the reporting limit, 90th percentile, sample period ending 2024-12-31
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 2 health-based violations and 45 non-health-based (since 2021).
  • Lead The reported 90th-percentile lead result is below the laboratory reporting limit, not a measured zero; EPA's health goal for lead is zero.
  • Radon EPA Zone 2 - county-level radon potential, not a home measurement.
Contaminant Summary
Health Violations
47 violations 2 health-based
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
C
ZIP-level Home Safety model score: 66 / 100
Bottom 29% of U.S. ZIP codes
1
Water System
127,718
People Served
2
Health Violations (since 2021)Median is 0
Surface water
Water Source
Zone 2
County Radon Potential · Moderate
$420K
Median Home Value46% above state median ($287K)

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Score Breakdown

Overall Home Safety Score: 66/100

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
44/100
Observed
PFAS MCL screen
100/100
Observed
EPA radon zone
50/100
Observed
Annual EPA AirData AQI
75/100
Observed

Required domains

Drinking water
72/100
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 (7) CRITICAL

Your Water System

ZIP code 85388 in Surprise, Arizona is mapped to the water system Epcor - Agua Fria (EPA ID: AZ0407695). This system provides water to approximately 127,718 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 Epcor - Agua Fria (AZ0407695) 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 →

Compliance History

2021 2022 1 2023 2024 2025 1
Health-based (MCL/TT) Other violations

UCMR 5 PFAS monitoring: no reportable detections in available records

Available federal UCMR5 records for water systems mapped to ZIP code 85388 show no PFAS detections among the compounds tested, at the program's reporting levels.

The EPA Fifth Unregulated Contaminant Monitoring Rule (UCMR5) required community and non-transient non-community water systems serving 3,300 or more people to test for 29 PFAS compounds and lithium between 2023 and 2025. Systems with no detections at the federal minimum reporting level had no results at or above that reporting level.

📊 EPA UCMR5 · View source →
Environmental Hazards (10) 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 Surprise

Based on local data for ZIP 85388, these services may benefit homeowners in your area.

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

Roofing Inspection & Repair

Active weather alerts in Arizona 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 85388 safe to drink?

EPA SDWIS records 47 violations since 2021 across the water systems mapped to ZIP 85388 (primary system: Epcor - Agua Fria), including 2 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 85388's water come from?

The recorded water source for Epcor - Agua Fria, a system mapped to ZIP code 85388, is Surface water. This system serves approximately 127,718 people.

How does Surprise water compare to the national average?

Surprise's Home Safety Score ranks lower than 71% of U.S. ZIP codes, and lower than 67% of ZIP codes within Arizona.

How can I get my water tested in Surprise?

If Epcor - Agua Fria 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.

What is the radon risk for 85388?

85388 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.

How to cite this page

APA ZipCheckup. (2026). Surprise, AZ (85388): 2 Health-Based Violations Recorded for Mapped Water Systems - 66/100. https://zipcheckup.com/report/85388/
BibTeX 
@misc{zipcheckup-report-85388,
  author = {{ZipCheckup}},
  title  = {{Surprise, AZ (85388): 2 Health-Based Violations Recorded for Mapped Water Systems - 66/100}},
  year   = {2026},
  url    = {https://zipcheckup.com/report/85388/}
}

Page version: October 2026.

Nearby ZIP Code Reports

Water quality comparison for ZIP codes near 85388

ZIP Code City, State Distance Grade Violations
85355 Waddell, AZ 3.3 mi C 71
85379 Surprise, AZ 4.5 mi C 49
85378 Surprise, AZ 6.9 mi C 77
85387 Surprise, AZ 6.9 mi C 64
85374 Surprise, AZ 7.0 mi C 67
85375 Sun City West, AZ 7.0 mi B 12
85376 Sun City West, AZ 7.2 mi N/A 0
85335 El Mirage, AZ 7.3 mi C 65
85340 Litchfield Park, AZ 7.5 mi D 79
85373 Sun City, AZ 8.1 mi C 17

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Coverage: 14/17 risk factors Data sources →
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