Mammoth, AZ Home Safety: Home Safety Score unavailable
1 ZIP code · 1 water system · Updated
Data: EPA SDWIS
Mammoth Water: The Quick Version
- Homes built before 1986: 83% - older plumbing may contain lead solder.
- Estimated remediation: $6,580 per household.
- CDC health risk index: 13.46 - above typical levels.
Water Systems Serving Mammoth
Mammoth, AZ runs on one primary water provider among the 1 federally tracked system. A single utility is responsible for the overwhelming share of residential supply - including the infrastructure, compliance filings, and rate schedules that govern service for most households.
Overview
We track home safety data for 1 ZIP code in Mammoth, Arizona (population ~1,347), covering 1 community water system serving approximately 10,585 people region-wide. The EPA snapshots used for this build directly map water systems to 1 of 1 ZIP codes.
The available EPA record reports 0 violations for 1 ZIP code with a reported violation count.
Water Sources
Mammoth water systems draw from: Groundwater.
Lead & Copper
- Average lead level (90th percentile): 0.0000 mg/L (EPA action level: 0.015 mg/L)
- 0 of 1 ZIP code with known status exceed the EPA lead action level
Radon Risk
Dominant radon zone: Zone 2 (Moderate Risk)
The EPA recommends testing homes in Zone 1 and Zone 2 areas for radon.
Areas with No Violations
| ZIP Code | Safety Score | System | Population |
|---|---|---|---|
| 85618 | — | Arizona Water Company - Oracle | 10,585 |
All ZIP Codes in Mammoth
Data Sources
- Water quality: EPA Safe Drinking Water Information System (SDWIS)
- Lead/copper: EPA Lead and Copper Rule sampling data
- Radon: EPA Map of Radon Zones
Reporting periods vary by source. Missing data is shown as unavailable, not as zero.
CDC Health Data for Mammoth
Source: CDC PLACES (County-level estimates). Water contamination can correlate with respiratory and chronic health conditions.
Compared to National Average
Vertical line = national average. ■ Above national · ■ Below national
How Old Is Mammoth's Housing Stock?
With 83% of homes built before 1986, lead solder in plumbing is a potential concern. The EPA banned lead solder in 1986, but many older homes retain original plumbing.
Source: U.S. Census Bureau American Community Survey (ACS).
Housing Age Profile
While newer cities carry lower aggregate plumbing risk from lead-era construction, Mammoth sits firmly in the older category. The median build year of 1976 indicates that more than half the housing stock was built before 1986, when lead solder was still legally used in residential copper plumbing - and a substantial portion likely predates 1970, when lead pipes were still commonly installed for service lines. These two thresholds together define the elevated plumbing risk environment that older housing cities carry, independent of what the municipal water supply delivers to the meter.
Over half of homes in Mammoth were built before 1986, when lead solder was banned. Older plumbing may leach lead into drinking water, especially with corrosive water chemistry.
Source: U.S. Census Bureau ACS B25034.
Mammoth: Remediation Cost in Perspective
Viewed from a financial planning lens, Mammoth sits in the high remediation-share tier - the equity impact of addressing documented issues is material, and deliberate preparation is more than a convenience here.
At 6.6% of home value, remediation costs in Mammoth represent a significant financial burden. For homes valued near the median, fixing water and safety issues could cost $4,120–$9,240. Home values here are 67% below the Arizona average.
Protecting Children from Lead in Mammoth
Why children are most at risk: The CDC states there is no safe level of lead exposure for children. Children under 6 absorb lead more readily than adults, and even low levels can cause developmental delays, learning difficulties, and behavioral problems.
Although utility-side compliance with federal Lead and Copper requirements remains the system reference, that compliance does not extend down into interior plumbing. With 83% of Mammoth stock built before the solder ban and aggregate readings at or beyond the action mark, a household-level sample becomes the practical way to close that information gap.
Sources: EPA Lead and Copper Rule, U.S. Census Bureau ACS, CDC childhood lead poisoning prevention guidelines.
Historical Flood-Claim Evidence for Mammoth
Historical NFIP data for Mammoth contains 3 flood insurance claims. Among claims with payment data, the average reported building, contents, and ICC component sum is $22,750. Among ZIP codes with claim records, 100% have an A- or V-family dominant rated zone recorded in those historical claims. This is not a complete current FEMA property-map inventory.
How flooding affects water quality: Flood events can introduce sewage, agricultural runoff, and industrial chemicals into water supplies. Even after floodwaters recede, contamination can persist in wells and aging infrastructure. The <strong>$6,580</strong> remediation estimate shown here excludes flood insurance and is not derived from NFIP claim count.
Claim count does not establish current property risk. Check the exact address in FEMA's current map and obtain a property-specific insurance quote when relevant.
Source: historical FEMA National Flood Insurance Program (NFIP) claim records. No current FEMA property-map designation is asserted.
Deep Dive Reports
Detailed analysis for Mammoth, AZ