ZipCheckup grade for 85631: B.

This ZIP has a few items worth a quick check.

Your top priority: have older plumbing checked for lead solder. Check your ZIP → EPA: reduce lead

Health Violations Found
B 74

San Manuel, AZ (85631): 1 Health-Based Violation Recorded for Mapped Water Systems - 74/100

EPA data combined for 2 water systems mapped to this ZIP (largest mapped system: Arizona Water Company - San Manuel)

Health Violations Found

Health-based violation records by water system:

EPA records for the water systems mapped to 85631 in San Manuel, AZ contain 2 recorded violations for inclusive record years 2021 through 2026, all mapped systems combined; 1 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 Issues 1 health-based violation
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 1 health-based violation and 1 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
2 violations 1 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
B
ZIP-level Home Safety model score: 74 / 100
Bottom 49% of U.S. ZIP codes
2
Water Systems
4,748
People Served
1
Health Violations (since 2021)Median is 0
Groundwater
Water Source
Zone 2
County Radon Potential · Moderate
$113K
Median Home Value61% below 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
94/100
Observed
PFAS MCL screen
100/100
Observed
EPA radon zone
50/100
Observed
Annual EPA AirData AQI
75/100
Observed

Required domains

Drinking water
97/100
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 85631 in San Manuel, Arizona is mapped to the water system Arizona Water Company - San Manuel (EPA ID: AZ0411020). This system provides water to approximately 4,748 people from groundwater sources.

There are 2 community water systems serving this area.

Water Systems Serving This Area

System Name EPA ID Population Source
Arizona Water Company - San Manuel AZ0411020 4,748 Groundwater
Arizona Water Company - Oracle AZ0411019 10,585 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 Arizona Water Company - San Manuel (AZ0411020) 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 →

UCMR 5 PFAS monitoring: no reportable detections in available records

Available federal UCMR5 records for water systems mapped to ZIP code 85631 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) MODERATE

Possible home maintenance concerns - talk to a local expert.

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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 San Manuel

Based on local data for ZIP 85631, these services may benefit homeowners in your area.

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

Gutter Installation & Repair

The median home in 85631 was built around 1953. Aging gutters can cause foundation damage, basement flooding, and mold - a professional assessment can prevent costly repairs.

Typical cost: Gutter installation: typically $1,000–$2,500 for a standard home

Estimate Your Home Maintenance Costs

Window Replacement

The median build year of homes in San Manuel is 1953; check the age and condition of your own windows. ENERGY STAR windows can save $101–$583/year on energy bills.

Typical cost: Window replacement: typically $300–$800 per window installed

Estimate Your Home Maintenance Costs

Roofing Inspection & Repair

Homes built around 1953 may be on their second or third roof. A professional inspection can catch damage before leaks start.

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 85631 safe to drink?

EPA SDWIS records 2 violations since 2021 across the water systems mapped to ZIP 85631 (primary system: Arizona Water Company - San Manuel), including 1 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 85631's water come from?

The recorded water source for Arizona Water Company - San Manuel, a system mapped to ZIP code 85631, is Groundwater. This system serves approximately 4,748 people.

How does San Manuel water compare to the national average?

San Manuel'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 San Manuel?

If Arizona Water Company - San Manuel 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 85631?

85631 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.

How to cite this page

APA ZipCheckup. (2026). San Manuel, AZ (85631): 1 Health-Based Violation Recorded for Mapped Water Systems - 74/100. https://zipcheckup.com/report/85631/
BibTeX 
@misc{zipcheckup-report-85631,
  author = {{ZipCheckup}},
  title  = {{San Manuel, AZ (85631): 1 Health-Based Violation Recorded for Mapped Water Systems - 74/100}},
  year   = {2026},
  url    = {https://zipcheckup.com/report/85631/}
}

Page version: October 2026.

Nearby ZIP Code Reports

Water quality comparison for ZIP codes near 85631

ZIP Code City, State Distance Grade Violations
85618 Mammoth, AZ 7.6 mi N/A 0
85623 Oracle, AZ 11.5 mi B 0
85619 Mount Lemmon, AZ 19.3 mi N/A 18
85739 Tucson, AZ 20.2 mi B 12
85738 Catalina, AZ 20.4 mi N/A 0
85737 Tucson, AZ 24.8 mi C 76
85749 Tucson, AZ 25.9 mi B 33
85755 Tucson, AZ 25.9 mi C 41
85750 Tucson, AZ 26.4 mi B 39
85235 Hayden, AZ 27.6 mi N/A 0

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Coverage: 14/17 risk factors Data sources →
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