ZIP 85640 (Alto, AZ) — Flood Zone, Water Quality, Soil Foundation, Radon & EPA Hazards
ZIP code 85640 in Alto, Arizona (Santa Cruz County) has 6 EPA-tracked facilities, including 0 High-Risk sites (0.0%), 1 active violators, and $0 in federal penalties. Beyond industrial pollution, properties in ZIP 85640 are screened across 22 historical Santa Cruz County FEMA disasters, USDA Soil Foundation Shrink-Swell (LOW signal), Tap Water & Watershed Permits (2), and EPA Zone 2 — Moderate Potential (2.0 – 4.0 pCi/L).
ZIP 85640 (Alto, AZ) 6-in-1 Flood, Soil Foundation, Tap Water & Radon Signals
🔒 Parcel-Level Soil LEP %, Water Table Depth & Flood Zone Require Street Address Scan📊 ZIP 85640 (Alto, AZ) Statistical Risk Graphs & Multi-Hazard Telemetry
SOURCE: EPA ECHO • USDA SSURGO • FEMA NRI • USGS (November 01, 2026)ZIP 85640 Sector Screening Map (High-Risk Pin Coordinates Locked)
Exact street pins for 0 High-Risk and 1 Active Violation sites are redacted on public directory maps.
Regulated EPA Facilities in ZIP 85640 (Alto, AZ)
100% of High-Risk & penalized facilities have facility names, street names, and dockets redacted (3 Low-Risk compliant records shown as Free Previews).
| Facility Name / Hazard Type | Sector Location (Street Redacted) | Risk Score (0–100) | Compliance Status | Enforcement / Unlock |
|---|---|---|---|---|
| 🔒 Locked Regulated EPA Enforcement Record #1 | 🔒 Exact Street & Parcel Redacted • TUMACACORI, AZ (ZIP 85640 Sector) | MODERATE (35/100) | Violation Identified (11 qtrs NC) | 🔒 11 Qtrs Non-Compliance • Unlock → |
| AMADO MANAGEMENT LLC FREE PREVIEW (LOW RISK) | ON SE CORNER OF FRONTAGE RD AND ARIVACA RD, TUMACACORI, AZ 85640 | LOW (17/100) | No Violation Identified (0 qtrs NC) | $0 |
| COMPASS BANK FREE PREVIEW (LOW RISK) | 1967 E. FRONTAGE RD, TUMACACORI, AZ 85640 | LOW (16/100) | No Violation Identified (0 qtrs NC) | $0 |
| SALERO RANCH MINE SITE FREE PREVIEW (LOW RISK) | FROM PATAGONIA, TAKE USFS, ALTO, AZ 85640 | LOW (15/100) | No Violation Identified (0 qtrs NC) | $0 |
| MOUNTAIN VIEW CAMPGROUND FREE PREVIEW (LOW RISK) | STAR RT 380, TUMACACORI, AZ 85640 | LOW (10/100) | No Violation Identified (0 qtrs NC) | $0 |
| 🔒 Locked Regulated EPA Enforcement Record #2 | 🔒 Exact Street & Parcel Redacted • TUMACACORI, AZ (ZIP 85640 Sector) | LOW (8/100) | Inactive (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
Frequently Asked Questions — ZIP 85640 (Alto, AZ) EPA Dataset & Radon
DATASET: U.S. EPA ECHO • FRS • RCRAInfo • TRI (November 01, 2026)How many EPA-tracked environmental sites are in ZIP code 85640 (Alto, AZ)?
ZIP code 85640 (Alto, AZ) contains 6 EPA-tracked facilities, of which 0 (0.0%) are classified in the High-Risk tier, 1 (16.7%) have active compliance violations, and 3 (50.0%) handle RCRA hazardous waste.
How does ZIP 85640 compare to Santa Cruz County and Arizona averages?
In ZIP 85640, 0.0% of regulated sites are rated High Risk, compared to 1.8% across Santa Cruz County and 0.9% statewide in Arizona.
What is the EPA Radon Zone and ASTM Phase I screening radius for ZIP 85640?
Geologic screening places ZIP 85640 in EPA Zone 2 — Moderate Potential (2.0 – 4.0 pCi/L). Property buyers should screen a 0.25-mile immediate buffer for vapor-intrusion sources and a 1.0-mile radius for CERCLA/RCRA sites.
Is ZIP 85640 (Alto, AZ) in a FEMA flood zone and what is the flood disaster history?
Santa Cruz County has recorded 22 historical FEMA federal disaster declarations (6 flood, hurricane, or severe storm declarations). Run a street address scan in ZIP 85640 to unlock the exact parcel FEMA flood zone (AE / VE / X) and mandatory flood insurance status.
Does ZIP 85640 have expansive clay soil, foundation problems, or drinking water violations?
USDA regional soil screening for ZIP 85640 indicates a LOW shrink-swell risk signal. Within ZIP 85640, federal registries track 2 SDWIS drinking water facilities, 0 Clean Water NPDES permits, and 0 impaired water body dischargers. Unlock a full property report for exact soil LEP %, water table depth, and utility violation dockets.