6-IN-1 STATE ENVIRONMENTAL, WATER, SOIL & FLOOD HUB • IA
Scan an Address in Iowa →
Iowa (IA) — Flood Zone, Tap Water Quality, Soil Foundation, Radon & EPA Hazards
According to public U.S. EPA, USDA, and FEMA registries (current as of November 01, 2026), Iowa tracks 22,726 EPA-regulated facilities, including 373 High-Risk sites (1.6%), 940 active violators, and $94,348,763 in federal penalties. Statewide environmental due diligence also covers 4,962 Safe Drinking Water (SDWIS) facilities, 2,173 Clean Water NPDES permits, 7 historical FEMA disaster declarations, USDA Soil Shrink-Swell (MODERATE regional signal), and EPA Zone 1 — High Potential (> 4.0 pCi/L).
Total EPA Sites
22,726
High-Risk Sites (1.6%)
373
Active Violators (4.1%)
940
Drinking & Clean Water
7,135
Federal Penalties
$94,348,763
Iowa (IA) 6-in-1 Flood, Soil Foundation, Tap Water & Radon Screening Signals
🔒 Parcel-Level Soil LEP %, Water Table Depth & Flood Zone Require Street Address Scan🌊 Flood Zone & FEMA Disaster History
7 Statewide FEMA Declarations (6 Flood/Storm)
🔒 Exact Parcel Flood Zone (AE / VE / X) & SFHA Mandatory Insurance Status Locked
Check Property Flood Zone →
🪨 USDA Soil, Foundation & Water Table
Regional Shrink-Swell Signal: MODERATE • Pipe Corrosion: Moderate
🔒 Exact USDA Soil Series, Linear Extensibility (LEP %) & Water Table Depth (ft) Locked
Unlock Parcel Soil Test →
🚰 Tap Water (SDWIS) & PFAS Check
4,962 SDWIS Systems • 2,173 NPDES Permits
🔒 421 Impaired Water (303d) & 1,754 Violation Dockets Locked
Unlock Utility Violation Log →
☢️ EPA Radon & Karst Sinkhole
EPA Zone 1 — High Potential (> 4.0 pCi/L)
Low / Non-Karst Bedrock Formation
🔒 0.25-Mi Vapor Intrusion Buffer Locked
📊 Iowa (IA) Statistical Risk Graphs & Multi-Hazard Telemetry
SOURCE: EPA ECHO • USDA SSURGO • FEMA NRI • USGS (November 01, 2026)1. Regulatory & Water Program Composition
RCRA Hazardous Waste Generators
9,819 (43.2%)
Clean Water (NPDES) & Drinking Water (SDWIS)
7,135 (31.4%)
Active EPA Non-Compliance Dockets
940 (4.1%)
High-Risk Enforcement Facilities
373 (1.6%)
2. FEMA NRI & USGS Hazard Index (1–10)
Relatively Moderate (92.0/100)
🌊 Flood Exposure
9/10 • Relatively Moderate
🔥 Wildfire Hazard
6/10 • Very Low
☀️ Extreme Heat
10/10 • Relatively High
🌪️ Severe Wind / Storm
10/10 • Very High
🫨 USGS Earthquake
7/10 • Relatively Low
3. High-Risk Density vs. U.S. Baseline
Iowa (IA) High-Risk Rate
1.6%
U.S. National EPA Baseline
3.6%
Why Scan a Specific Street Address? Public state pages show aggregate counts only. A paid property report unlocks exact facility names & distances in feet, USDA soil LEP % & water table depth, utility water violations, and parcel FEMA flood zone.
Major Municipal Environmental Directories in Iowa
Des Moines
1,851 sites
Cedar Rapids
733 sites
Davenport
455 sites
Sioux City
370 sites
Waterloo
341 sites
Dubuque
336 sites
Council Bluffs
291 sites
Ankeny
249 sites
West Des Moines
242 sites
Ames
227 sites
Iowa City
220 sites
Fort Dodge
212 sites
Mason City
207 sites
Muscatine
189 sites
Marshalltown
171 sites
Urbandale
165 sites
Cedar Falls
155 sites
Burlington
143 sites
Marion
139 sites
Ottumwa
130 sites
Clinton
123 sites
Bettendorf
118 sites
Oskaloosa
113 sites
Boone
112 sites
Newton
110 sites
Altoona
109 sites
Grimes
104 sites
Coralville
103 sites
Johnston
97 sites
Iowa Falls
96 sites
Spencer
96 sites
Keokuk
91 sites
Carroll
91 sites
Decorah
85 sites
Charles City
82 sites
Fort Madison
80 sites
Grinnell
78 sites
Centerville
78 sites
Pella
77 sites
Fairfield
76 sites
Sioux Center
76 sites
Storm Lake
75 sites
Webster City
73 sites
Waverly
72 sites
Washington
71 sites
Rock Valley
71 sites
Creston
70 sites
Clive
69 sites
Mount Pleasant
69 sites
Le Mars
67 sites
Algona
67 sites
Indianola
66 sites
Humboldt
66 sites
Atlantic
64 sites
Hampton
63 sites
Osceola
61 sites
Knoxville
60 sites
Pleasant Hill
60 sites
Red Oak
60 sites
Cherokee
60 sites
Counties in Iowa (120)
Highest-Density ZIP Codes in Iowa
| ZIP Code | City | Total Sites | High Risk |
|---|---|---|---|
| 52404 | Cedar Rapids | 336 | 13 |
| 50401 | Mason City | 206 | 7 |
| 50010 | Ames | 215 | 6 |
| 52761 | Muscatine | 191 | 6 |
| 50703 | Waterloo | 127 | 6 |
| 50501 | Fort Dodge | 217 | 5 |
| 52001 | Dubuque | 200 | 5 |
| 52240 | Iowa City | 151 | 5 |
| 52501 | Ottumwa | 131 | 5 |
| 52732 | Clinton | 118 | 5 |
| 52353 | Washington | 69 | 5 |
| 50313 | Des Moines | 437 | 4 |
| 52601 | Burlington | 142 | 4 |
| 50441 | Hampton | 63 | 4 |
| 51566 | Red Oak | 61 | 4 |
| 50461 | Osage | 54 | 4 |
| 52361 | Williamsburg | 32 | 4 |
| 50613 | Cedar Falls | 157 | 3 |
| 52806 | Davenport | 131 | 3 |
| 50321 | Des Moines | 130 | 3 |
| 52802 | Davenport | 116 | 3 |
| 52632 | Keokuk | 92 | 3 |
| 51031 | Le Mars | 83 | 3 |
| 52627 | Fort Madison | 82 | 3 |
| 50213 | Osceola | 61 | 3 |
| 52310 | Monticello | 52 | 3 |
| 50662 | Oelwein | 48 | 3 |
| 52655 | West Burlington | 46 | 3 |
| 50438 | Garner | 44 | 3 |
| 52553 | Eddyville | 29 | 3 |
| 50670 | Shell Rock | 19 | 3 |
| 50317 | Des Moines | 267 | 2 |
| 51501 | Council Bluffs | 195 | 2 |
| 50265 | West Des Moines | 159 | 2 |
| 52577 | Oskaloosa | 119 | 2 |
| 50036 | Boone | 113 | 2 |
| 50126 | Ackley | 112 | 2 |
| 50009 | Des Moines | 111 | 2 |
| 52241 | Coralville | 100 | 2 |
| 52101 | Decorah | 89 | 2 |
| 50616 | Charles City | 81 | 2 |
| 52002 | Dubuque | 80 | 2 |
| 52544 | Centerville | 79 | 2 |
| 51250 | Sioux Center | 78 | 2 |
| 50595 | Webster City | 77 | 2 |
| 52556 | Fairfield | 75 | 2 |
| 51247 | Rock Valley | 72 | 2 |
| 50801 | Creston | 70 | 2 |
| 50125 | Indianola | 70 | 2 |
| 50022 | Atlantic | 66 | 2 |
| 50138 | Knoxville | 60 | 2 |
| 51442 | Denison | 58 | 2 |
| 50201 | Nevada | 57 | 2 |
| 52804 | Davenport | 55 | 2 |
| 50536 | Emmetsburg | 48 | 2 |
| 50644 | Independence | 48 | 2 |
| 52339 | Tama | 40 | 2 |
| 50436 | Forest City | 36 | 2 |
| 52246 | Iowa City | 35 | 2 |
| 51555 | Missouri Valley | 34 | 2 |
Highest-Scored EPA Enforcement & Contamination Facilities in Iowa
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 • KEOKUK, IA (ZIP 52632 Sector) | HIGH (91/100) | Significant Violation (12 qtrs NC) | 🔒 $100,000+ Federal Fine • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #2 | 🔒 Exact Street & Parcel Redacted • MASON CITY, IA (ZIP 50401 Sector) | HIGH (90/100) | Significant Violation (12 qtrs NC) | 🔒 $100,000+ Federal Fine • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #3 | 🔒 Exact Street & Parcel Redacted • GALVA, IA (ZIP 51020 Sector) | HIGH (87/100) | Significant Violation (12 qtrs NC) | 🔒 $100,000+ Federal Fine • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #4 | 🔒 Exact Street & Parcel Redacted • WEVER, IA (ZIP 52658 Sector) | HIGH (85/100) | Significant Violation (12 qtrs NC) | 🔒 $10,000+ Federal Fine • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #5 | 🔒 Exact Street & Parcel Redacted • DES MOINES, IA (ZIP 50313 Sector) | HIGH (84/100) | Significant Violation (6 qtrs NC) | 🔒 $100,000+ Federal Fine • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #6 | 🔒 Exact Street & Parcel Redacted • OSAGE, IA (ZIP 50461 Sector) | HIGH (82/100) | Violation (12 qtrs NC) | 🔒 $100,000+ Federal Fine • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #7 | 🔒 Exact Street & Parcel Redacted • MIDDLETOWN, IA (ZIP 52638 Sector) | HIGH (81/100) | Violation Identified (12 qtrs NC) | 🔒 $10,000+ Federal Fine • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #8 | 🔒 Exact Street & Parcel Redacted • LUANA, IA (ZIP 52156 Sector) | HIGH (80/100) | Significant Violation (12 qtrs NC) | 🔒 $10,000+ Federal Fine • Unlock → |
| GREATER DOWNTOWN INC FREE PREVIEW (LOW RISK) | 522 PIERCE ST, SIOUX CITY, IA 51101 | LOW (16/100) | No Violation Identified (0 qtrs NC) | $0 |
| HEARTLAND TIRE & AUTO CENTER FREE PREVIEW (LOW RISK) | 1128 8TH ST, BOONE, IA 50036 | LOW (16/100) | No Violation Identified (0 qtrs NC) | $0 |
| UNITED FULFILLMENT SOLUTIONS FREE PREVIEW (LOW RISK) | 2105 SE 5TH ST, AMES, IA 50010 | LOW (16/100) | No Violation Identified (0 qtrs NC) | $0 |
| CROP PRODUCTION SERVICES INC FREE PREVIEW (LOW RISK) | HWY 22 S, .5 MI S OF TOWN, KESWICK, IA 50136 | LOW (15/100) | No Violation Identified (0 qtrs NC) | $0 |
🔒 + 22,714 Additional Regulated & Enforcement Records in Iowa Redacted from Public Directory
Run 1-Mile Property Scan to Unlock All Records →
Frequently Asked Questions — Iowa (IA) Environmental Due Diligence & EPA Dataset
How many EPA-regulated environmental sites and high-risk facilities are in Iowa?
Public U.S. EPA records track 22,726 regulated facilities across Iowa. Of those, 373 (1.6%) are classified in the High-Risk tier due to formal enforcement actions, penalties, or toxic chemical releases, and 940 (4.1%) have active non-compliance quarters.
Which counties and ZIP codes in Iowa have the highest concentration of EPA-regulated sites?
In Iowa, the highest regulated facility volumes are concentrated in Polk County (2,721 sites), Linn County (1,119 sites), Scott County (752 sites), Black Hawk County (556 sites), with key high-risk postal sectors including ZIP 52404 (Cedar Rapids, 13 high-risk), ZIP 50401 (Mason City, 7 high-risk), ZIP 50010 (Ames, 6 high-risk), ZIP 52761 (Muscatine, 6 high-risk).
How many drinking water systems (SDWIS), Clean Water permits, and FEMA disaster declarations are recorded in Iowa?
Statewide in Iowa, federal registries track 4,962 Safe Drinking Water (SDWIS) facilities, 2,173 Clean Water Act NPDES permits, and 421 impaired water body (303d) dischargers, alongside 7 historical FEMA disaster declarations.
What is the EPA Radon Zone and USDA Soil Foundation Risk for properties in Iowa?
Regional geologic screening places Iowa in EPA Zone 1 — High Potential (> 4.0 pCi/L) with USDA regional soil shrink-swell rated MODERATE. Run a street address scan to unlock exact parcel soil LEP %, water table depth, and flood zone.