ZipCheckup grade for 85387: C.

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

Health Violations Found
C 61

Surprise, AZ (85387): 2 Health-Based Violations Recorded for Mapped Water Systems - 61/100

EPA data combined for 7 water systems mapped to this ZIP (largest mapped system: Epcor - Agua Fria)

Health Violations Found

Health-based violation records by water system:

EPA records for the water systems mapped to 85387 in Surprise, AZ contain 64 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 61/100
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 Claim records 3 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 2 health-based violations and 62 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.
  • Flood 3 cumulative NFIP claim records. Claim evidence is historical, not current map coverage.
Contaminant Summary
Health Violations
64 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: 61 / 100
Bottom 19% of U.S. ZIP codes
7
Water Systems
127,718
People Served
2
Health Violations (since 2021)Median is 0
Surface water
Water Source
Zone 2
County Radon Potential · Moderate
$454K
Median Home Value58% above state median ($287K)

Get updates when new water-quality data is available for your area

Free alerts when new EPA data affects ZIP code 85387. No spam - just safety updates.

Unsubscribe anytime. We only send updates when your safety score changes. See our Privacy Policy.

Share Your Area Home Safety Score
Share on X Share on Facebook

Tip: You can also screenshot the card above to share it as an image.

See incorrect data? Let us know

Score Breakdown

Overall Home Safety Score: 61/100

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
18/100
Observed
PFAS MCL screen
100/100
Observed
EPA radon zone
50/100
Observed
Annual EPA AirData AQI
75/100
Observed

Required domains

Drinking water
59/100
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 85387 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.

There are 7 community water systems serving this area.

Water Systems Serving This Area

System Name EPA ID Population Source
Epcor - Agua Fria AZ0407695 127,718 Surface water
Surprise City of - Mountain Vista AZ0407500 40,007 Groundwater
Beardsley Water Company 1 AZ0407007 10,263 Groundwater
Chaparral Water Company AZ0407064 963 Groundwater
Desert Oasis AZ0407523 23,963 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 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 85387 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 (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 Surprise

Based on local data for ZIP 85387, 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 Surprise has 3 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 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 85387 safe to drink?

EPA SDWIS records 64 violations since 2021 across the water systems mapped to ZIP 85387 (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 85387's water come from?

The recorded water source for Epcor - Agua Fria, a system mapped to ZIP code 85387, 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 81% of U.S. ZIP codes, and lower than 70% 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 85387?

85387 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.

What does the NFIP claim history show for ZIP 85387?

FEMA records contain 3 flood insurance claims filed in ZIP code 85387; the recorded rated-zone value (the most frequent one if there are several claims) is AE, 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). Surprise, AZ (85387): 2 Health-Based Violations Recorded for Mapped Water Systems - 61/100. https://zipcheckup.com/report/85387/
BibTeX 
@misc{zipcheckup-report-85387,
  author = {{ZipCheckup}},
  title  = {{Surprise, AZ (85387): 2 Health-Based Violations Recorded for Mapped Water Systems - 61/100}},
  year   = {2026},
  url    = {https://zipcheckup.com/report/85387/}
}

Page version: October 2026.

Nearby ZIP Code Reports

Water quality comparison for ZIP codes near 85387

ZIP Code City, State Distance Grade Violations
85375 Sun City West, AZ 4.5 mi B 12
85376 Sun City West, AZ 6.6 mi N/A 0
85388 Surprise, AZ 6.9 mi C 47
85373 Sun City, AZ 7.7 mi C 17
85378 Surprise, AZ 8.3 mi C 77
85374 Surprise, AZ 8.4 mi C 67
85379 Surprise, AZ 8.5 mi C 49
85335 El Mirage, AZ 9.7 mi C 65
85355 Waddell, AZ 10.1 mi C 71
85361 Wittmann, AZ 10.7 mi C 23

Overall safety breakdown

Home Safety Score →

Find the right water filter

Water Filter Matcher →

Compare filters, tests & services

Compare My Options →

Compare with another ZIP

Compare Tool →
Coverage: 15/17 risk factors Data sources →
Get alerts for 85387