ZIP 53901 (Sun Prairie, WI) — Flood Zone, Water Quality, Soil Foundation, Radon & EPA Hazards
ZIP code 53901 in Sun Prairie, Wisconsin (Dane County) has 131 EPA-tracked facilities, including 2 High-Risk sites (1.5%), 3 active violators, and $0 in federal penalties. Beyond industrial pollution, properties in ZIP 53901 are screened across 3 historical Dane County FEMA disasters, USDA Soil Foundation Shrink-Swell (MODERATE signal), Tap Water & Watershed Permits (36), and EPA Zone 1 — High Potential (> 4.0 pCi/L).
ZIP 53901 (Sun Prairie, WI) 6-in-1 Flood, Soil Foundation, Tap Water & Radon Signals
🔒 Parcel-Level Soil LEP %, Water Table Depth & Flood Zone Require Street Address Scan📊 ZIP 53901 (Sun Prairie, WI) Statistical Risk Graphs & Multi-Hazard Telemetry
SOURCE: EPA ECHO • USDA SSURGO • FEMA NRI • USGS (November 01, 2026)ZIP 53901 Sector Screening Map (High-Risk Pin Coordinates Locked)
Exact street pins for 2 High-Risk and 3 Active Violation sites are redacted on public directory maps.
Regulated EPA Facilities in ZIP 53901 (Sun Prairie, WI)
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 • PORTAGE, WI (ZIP 53901 Sector) | HIGH (64/100) | Significant Violation (10 qtrs NC) | 🔒 10 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #2 | 🔒 Exact Street & Parcel Redacted • PORTAGE, WI (ZIP 53901 Sector) | HIGH (64/100) | Significant Violation (3 qtrs NC) | 🔒 3 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #3 | 🔒 Exact Street & Parcel Redacted • PORTAGE, WI (ZIP 53901 Sector) | MODERATE (34/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #4 | 🔒 Exact Street & Parcel Redacted • PORTAGE, WI (ZIP 53901 Sector) | MODERATE (33/100) | Resolved / Historical Non-Compliance (1 qtrs NC) | 🔒 1 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #5 | 🔒 Exact Street & Parcel Redacted • PORTAGE, WI (ZIP 53901 Sector) | MODERATE (33/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #6 | 🔒 Exact Street & Parcel Redacted • PORTAGE, WI (ZIP 53901 Sector) | MODERATE (32/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #7 | 🔒 Exact Street & Parcel Redacted • PORTAGE, WI (ZIP 53901 Sector) | MODERATE (31/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #8 | 🔒 Exact Street & Parcel Redacted • PORTAGE, WI (ZIP 53901 Sector) | MODERATE (31/100) | Violation Identified (8 qtrs NC) | 🔒 8 Qtrs Non-Compliance • Unlock → |
| ASSOCIATED MILK PRODUCERS INC-PORTAGE FREE PREVIEW (LOW RISK) | 301 BROOKS ST PO BOX 240, PORTAGE, WI 53901 | LOW (26/100) | No Violation Identified (0 qtrs NC) | $0 |
| J AND L OIL INC #104 FREE PREVIEW (LOW RISK) | W10416 HWY 33, PORTAGE, WI 53901 | LOW (24/100) | No Violation Identified (0 qtrs NC) | $0 |
| SCHOESSOW INC FREE PREVIEW (LOW RISK) | N5820 JOHNSON RD, PORTAGE, WI 53901 | LOW (18/100) | No Violation Identified (0 qtrs NC) | $0 |
| PORTAGE CITY FREE PREVIEW (LOW RISK) | 115 W PLEASANT, PORTAGE, WI 53901 | LOW (18/100) | No Violation Identified (0 qtrs NC) | $0 |
Frequently Asked Questions — ZIP 53901 (Sun Prairie, WI) EPA Dataset & Radon
DATASET: U.S. EPA ECHO • FRS • RCRAInfo • TRI (November 01, 2026)How many EPA-tracked environmental sites are in ZIP code 53901 (Sun Prairie, WI)?
ZIP code 53901 (Sun Prairie, WI) contains 131 EPA-tracked facilities, of which 2 (1.5%) are classified in the High-Risk tier, 3 (2.3%) have active compliance violations, and 92 (70.2%) handle RCRA hazardous waste.
How does ZIP 53901 compare to Dane County and Wisconsin averages?
In ZIP 53901, 1.5% of regulated sites are rated High Risk, compared to 0.8% across Dane County and 0.6% statewide in Wisconsin.
What is the EPA Radon Zone and ASTM Phase I screening radius for ZIP 53901?
Geologic screening places ZIP 53901 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 53901 (Sun Prairie, WI) in a FEMA flood zone and what is the flood disaster history?
Dane County has recorded 3 historical FEMA federal disaster declarations (3 flood, hurricane, or severe storm declarations). Run a street address scan in ZIP 53901 to unlock the exact parcel FEMA flood zone (AE / VE / X) and mandatory flood insurance status.
Does ZIP 53901 have expansive clay soil, foundation problems, or drinking water violations?
USDA regional soil screening for ZIP 53901 indicates a MODERATE shrink-swell risk signal. Within ZIP 53901, federal registries track 7 SDWIS drinking water facilities, 29 Clean Water NPDES permits, and 14 impaired water body dischargers. Unlock a full property report for exact soil LEP %, water table depth, and utility violation dockets.