ZIP 50318 (Knoxville, IA) — Property Value, Rent, Schools, Flood, Soil & EPA Report
Is ZIP 50318 (Knoxville, IA) a High-Risk Area & What Are Local Home Values?
ZIP code 50318 in Knoxville, Iowa (Marion County) tracks 2 EPA-regulated sites (0 High-Risk, 0.0%), 7 FEMA county disaster declarations, and a HIGH USDA soil foundation signal. Local U.S. Census & HUD benchmarks report a $264,200 median home value (+47.3% 5-yr FHFA appreciation) and $1,300/mo 2-BR Fair Market Rent, with 0 nearby K–12 schools.
| ZIP 50318 (Knoxville, IA) Benchmark | Official Public Record Value | Primary Federal Source |
|---|---|---|
| Median Home Value / 5-Yr Appreciation | $264,200 (+47.3% 5-Yr FHFA HPI) | U.S. Census ACS • FHFA HPI |
| HUD 2-Bedroom Small Area Fair Market Rent | $1,300 / month (3-BR: $1,770/mo) | U.S. HUD FY2025 SAFMR |
| EPA-Regulated Sites & High-Risk Facilities | 2 sites (0 High-Risk • $0 penalties) | U.S. EPA ECHO / FRS / RCRA |
| FEMA Disaster History & Soil Shrink-Swell | 7 FEMA Disasters • HIGH Soil Risk | FEMA OpenFEMA • USDA SSURGO |
| K–12 Schools (3 Mi) & Walkability Score | 0 K–12 Schools • Fire 1.37 mi | NCES • EPA SLD • USGS |
ZIP 50318 (Knoxville, IA) 6-in-1 Flood, Soil Foundation, Tap Water & Radon Signals
🔒 Parcel-Level Soil LEP %, Water Table Depth & Flood Zone Require Street Address Scan📊 ZIP 50318 (Knoxville, IA) Statistical Risk Graphs & Multi-Hazard Telemetry
SOURCE: EPA ECHO • USDA SSURGO • FEMA NRI • USGS (November 02, 2026)ZIP 50318 Sector Screening Map (High-Risk Pin Coordinates Locked)
Exact street pins for 0 High-Risk and 0 Active Violation sites are redacted on public directory maps.
Regulated EPA Facilities in ZIP 50318 (Knoxville, IA)
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 • KNOXVILLE, IA (ZIP 50318 Sector) | MODERATE (30/100) | Resolved / Historical Non-Compliance (1 qtrs NC) | 🔒 1 Qtrs Non-Compliance • Unlock → |
| US POSTAL SERVICE FREE PREVIEW (LOW RISK) | 1145-1165 2ND AVE, DES MOINES, IA 50318 | LOW (20/100) | No Violation Identified (0 qtrs NC) | $0 |
Frequently Asked Questions — ZIP 50318 (Knoxville, IA) EPA Dataset & Radon
DATASET: U.S. EPA ECHO • FRS • RCRAInfo • TRI (November 02, 2026)What is the home value, appreciation, and Fair Market Rent in ZIP 50318 (Knoxville, IA)?
In ZIP 50318 (Knoxville, IA), U.S. Census & HUD benchmarks show a median home value of $264,200, 5-year FHFA home price appreciation of +47.3%, and a HUD 2-Bedroom Small Area Fair Market Rent of $1,300/month.
How many EPA-tracked environmental sites are in ZIP code 50318 (Knoxville, IA)?
ZIP code 50318 (Knoxville, IA) contains 2 EPA-tracked facilities, of which 0 (0.0%) are classified in the High-Risk tier, 0 (0.0%) have active compliance violations, and 1 (50.0%) handle RCRA hazardous waste.
Is ZIP 50318 (Knoxville, IA) in a FEMA flood zone and what is the soil foundation risk?
Marion County has recorded 7 historical FEMA disaster declarations (6 flood/storm events), and USDA regional soil screening indicates a HIGH shrink-swell foundation signal. Run an exact street-address scan to unlock parcel Flood Zone (AE/VE/X) and Soil LEP %.
How many schools, fire stations, and walkability options are near ZIP 50318?
Within 3 miles of the ZIP 50318 center, federal NCES & USGS registries index 0 public, charter, and private K–12 campuses, nearest fire/EMS station at 1.37 mi.
Does ZIP 50318 have drinking water (SDWIS) permits or EPA radon risk?
Geologic screening places ZIP 50318 in EPA Zone 1 — High Potential (> 4.0 pCi/L), with 0 SDWIS drinking water facilities, 1 Clean Water NPDES permits, and 1 impaired water body dischargers tracked in this postal sector.