ZIP 66502 (Manhattan, KS) — Flood Zone, Water Quality, Soil Foundation, Radon & EPA Hazards
ZIP code 66502 in Manhattan, Kansas (Riley County) has 449 EPA-tracked facilities, including 4 High-Risk sites (0.9%), 2 active violators, and $5,393,930 in federal penalties. Beyond industrial pollution, properties in ZIP 66502 are screened across 2 historical Riley County FEMA disasters, USDA Soil Foundation Shrink-Swell (HIGH signal), Tap Water & Watershed Permits (238), and EPA Zone 1 — High Potential (> 4.0 pCi/L).
ZIP 66502 (Manhattan, KS) 6-in-1 Flood, Soil Foundation, Tap Water & Radon Signals
🔒 Parcel-Level Soil LEP %, Water Table Depth & Flood Zone Require Street Address Scan📊 ZIP 66502 (Manhattan, KS) Statistical Risk Graphs & Multi-Hazard Telemetry
SOURCE: EPA ECHO • USDA SSURGO • FEMA NRI • USGS (November 01, 2026)ZIP 66502 Sector Screening Map (High-Risk Pin Coordinates Locked)
Exact street pins for 4 High-Risk and 2 Active Violation sites are redacted on public directory maps.
Regulated EPA Facilities in ZIP 66502 (Manhattan, KS)
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 High-Risk EPA Enforcement Record #1 | 🔒 Exact Street & Parcel Redacted • MANHATTAN, KS (ZIP 66502 Sector) | HIGH (64/100) | No Violation Identified (0 qtrs NC) | 🔒 $100,000+ Federal Fine • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #2 | 🔒 Exact Street & Parcel Redacted • MANHATTAN, KS (ZIP 66502 Sector) | HIGH (64/100) | No Violation Identified (0 qtrs NC) | 🔒 $10,000+ Federal Fine • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #3 | 🔒 Exact Street & Parcel Redacted • MANHATTAN, KS (ZIP 66502 Sector) | HIGH (64/100) | No Violation Identified (0 qtrs NC) | 🔒 $10,000+ Federal Fine • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #4 | 🔒 Exact Street & Parcel Redacted • MANHATTAN, KS (ZIP 66502 Sector) | MODERATE (48/100) | Violation Identified (11 qtrs NC) | 🔒 11 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #5 | 🔒 Exact Street & Parcel Redacted • MANHATTAN, KS (ZIP 66502 Sector) | MODERATE (33/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #6 | 🔒 Exact Street & Parcel Redacted • MANHATTAN, KS (ZIP 66502 Sector) | MODERATE (31/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #7 | 🔒 Exact Street & Parcel Redacted • MANHATTAN, KS (ZIP 66502 Sector) | MODERATE (31/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #8 | 🔒 Exact Street & Parcel Redacted • MANHATTAN, KS (ZIP 66502 Sector) | MODERATE (30/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| ELKINS MOTOR CO FREE PREVIEW (LOW RISK) | 2312 STAGG HILL RD, MANHATTAN, KS 66502 | LOW (24/100) | No Violation Identified (0 qtrs NC) | $0 |
| USDA ARS KS CGAHR AG RESEARCH SERVICE FREE PREVIEW (LOW RISK) | 1515 COLLEGE, MANHATTAN, KS 66502 | LOW (19/100) | No Violation Identified (0 qtrs NC) | $0 |
| C & M AUTO CARE FREE PREVIEW (LOW RISK) | 309 N 3RD, MANHATTAN, KS 66502 | LOW (17/100) | No Violation Identified (0 qtrs NC) | $0 |
| STEEL PIPE & SUPPLY FREE PREVIEW (LOW RISK) | 205 OSAGE, MANHATTAN, KS 66502 | LOW (17/100) | No Violation Identified (0 qtrs NC) | $0 |
Frequently Asked Questions — ZIP 66502 (Manhattan, KS) EPA Dataset & Radon
DATASET: U.S. EPA ECHO • FRS • RCRAInfo • TRI (November 01, 2026)How many EPA-tracked environmental sites are in ZIP code 66502 (Manhattan, KS)?
ZIP code 66502 (Manhattan, KS) contains 449 EPA-tracked facilities, of which 4 (0.9%) are classified in the High-Risk tier, 2 (0.4%) have active compliance violations, and 183 (40.8%) handle RCRA hazardous waste.
How does ZIP 66502 compare to Riley County and Kansas averages?
In ZIP 66502, 0.9% of regulated sites are rated High Risk, compared to 0.6% across Riley County and 0.7% statewide in Kansas.
What is the EPA Radon Zone and ASTM Phase I screening radius for ZIP 66502?
Geologic screening places ZIP 66502 in EPA Zone 1 — High Potential (> 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 66502 (Manhattan, KS) in a FEMA flood zone and what is the flood disaster history?
Riley County has recorded 2 historical FEMA federal disaster declarations (2 flood, hurricane, or severe storm declarations). Run a street address scan in ZIP 66502 to unlock the exact parcel FEMA flood zone (AE / VE / X) and mandatory flood insurance status.
Does ZIP 66502 have expansive clay soil, foundation problems, or drinking water violations?
USDA regional soil screening for ZIP 66502 indicates a HIGH shrink-swell risk signal. Within ZIP 66502, federal registries track 1 SDWIS drinking water facilities, 237 Clean Water NPDES permits, and 75 impaired water body dischargers. Unlock a full property report for exact soil LEP %, water table depth, and utility violation dockets.