Clark, South Dakota — Property Hazard, Flood Zone, Soil, Water & Market Guide
What Are the Major Property, Flood, Soil & Environmental Risks in Clark, SD?
Public U.S. EPA records track 19 regulated facilities in Clark, South Dakota (Clark County), including 0 High-Risk sites (0.0%) and 1 active violators. In addition to industrial waste, Clark properties are screened for Tap Water & Watershed Permits (9 systems), USDA Soil Foundation Shrink-Swell (MODERATE signal), 2 County FEMA Disaster Declarations, and EPA Zone 1 — High Potential (> 4.0 pCi/L).
Clark, SD 6-in-1 Flood, Soil Foundation, Tap Water & Radon Signals
🔒 Parcel-Level Soil LEP %, Water Table Depth & Flood Zone Require Street Address Scan📊 Clark, SD Statistical Risk Graphs & Multi-Hazard Telemetry
SOURCE: EPA ECHO • USDA SSURGO • FEMA NRI • USGS (November 03, 2026)ZIP Codes in Clark, SD
Highest-Scored EPA Regulated Facilities in Clark, SD
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 Tier & Score | Compliance Status | Enforcement / Unlock |
|---|---|---|---|---|
| 🔒 Locked Regulated EPA Enforcement Record #1 | 🔒 Exact Street & Parcel Redacted • CLARK, SD (ZIP 57225 Sector) | MODERATE (30/100) | Violation Identified (1 qtrs NC) | 🔒 1 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #2 | 🔒 Exact Street & Parcel Redacted • CLARK, SD (ZIP 57225 Sector) | MODERATE (30/100) | Resolved / Historical Non-Compliance (1 qtrs NC) | 🔒 1 Qtrs Non-Compliance • Unlock → |
| AVANTARA CLARK FREE PREVIEW (LOW RISK) | 201 NW 8TH AVE, CLARK, SD 57225 | LOW (17/100) | No Violation Identified (0 qtrs NC) | $0 |
| NORTHERN NATURAL GAS COMPANY - CLARK OFFICE FREE PREVIEW (LOW RISK) | 1025 1ST AVENUE, CLARK, SD 57225 | LOW (16/100) | No Violation Identified (0 qtrs NC) | $0 |
| CLARK SCHOOL DISTRICT #12-2 FREE PREVIEW (LOW RISK) | 220 NORTH CLINTON STREET, CLARK, SD 57225 | LOW (16/100) | No Violation Identified (0 qtrs NC) | $0 |
| SANFORD CLINIC CLARK FREE PREVIEW (LOW RISK) | 211 NORTH COMMERCIAL STREET, CLARK, SD 57225 | LOW (15/100) | No Violation Identified (0 qtrs NC) | $0 |
| 🔒 Locked Regulated EPA Enforcement Record #3 | 🔒 Exact Street & Parcel Redacted • CLARK, SD (ZIP 57225 Sector) | LOW (15/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #4 | 🔒 Exact Street & Parcel Redacted • CLARK, SD (ZIP 57225 Sector) | LOW (15/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #5 | 🔒 Exact Street & Parcel Redacted • CLARK, SD (ZIP 57225 Sector) | LOW (15/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #6 | 🔒 Exact Street & Parcel Redacted • CLARK, SD (ZIP 57225 Sector) | LOW (13/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #7 | 🔒 Exact Street & Parcel Redacted • CLARK, SD (ZIP 57225 Sector) | LOW (13/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #8 | 🔒 Exact Street & Parcel Redacted • CLARK, SD (ZIP 57225 Sector) | LOW (13/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
Frequently Asked Questions — Clark, South Dakota Environmental Risk & Radon
How many EPA-regulated facilities are in Clark, SD?
U.S. EPA records track 19 regulated facilities in Clark, South Dakota, including 0 high-risk sites (0.0%), 1 active violators (5.3%), and 7 RCRA hazardous waste handlers (36.8%).
Which ZIP codes in Clark, SD have the most EPA-tracked sites?
Within Clark, regulated facilities are primarily concentrated across ZIP 57225 (19 sites).
How can I check a specific house or commercial property in Clark, SD?
Enter the exact street address in Clark into the FullPropertyReport radius scanner to screen all EPA ECHO, FRS, RCRA, TRI, USDA soil foundation shrink-swell, drinking water (SDWIS), FEMA flood zone, and county radon records within 0.5 to 3.0 miles.
Is tap water safe in Clark, SD and how many EPA water permits exist?
In Clark, SD, federal registries track 1 Safe Drinking Water (SDWIS) facilities, 8 Clean Water Act NPDES permits, and 2 impaired water body dischargers.
What is the soil foundation risk and FEMA flood disaster history in Clark, SD?
USDA regional soil screening for Clark indicates a MODERATE shrink-swell foundation signal, and Clark County has recorded 2 federal FEMA disaster declarations (1 flood/severe storm declarations). Run an address scan to unlock exact parcel soil LEP %, water table depth, and flood zone.