Home › States › South Dakota › Keystone › ZIP 57751 › USNPS - MT. RUSHMORE NATIONAL MEMORIAL (BIOSOLIDS)
SOURCE: U.S. EPA ECHO & FRS PUBLIC RECORD • REGISTRY ID #110071500860
RISK TIER: LOW (SCORE 11/100)
USNPS - MT. RUSHMORE NATIONAL MEMORIAL (BIOSOLIDS) — Public EPA Compliance & Environmental Record
Street Address: P.O. BOX 268, KEYSTONE, SD 57751 (Pennington County) • Coordinates: (43.87968, -103.45195)
Compliance Status
No Violation Identified
Quarters in Non-Compliance
0 of 12 Quarters
Inspections / Formal Actions
1 Insp / 0 Actions
Federal Penalties Assessed
$0.00
Regulated Environmental Programs: Corporate Office / Off-Site Registry Address • Clean Water NPDES
• Last Inspection Date: 06/08/2026
Buying, Renting, or Financing Real Estate Near P.O. BOX 268?
Scan all EPA-regulated facilities, fuel/solvent handlers, active violations, and FEMA flood risk within 1.0 mile of this site.
Other EPA-Regulated Sites Within 1.0 Mile of USNPS - MT. RUSHMORE NATIONAL MEMORIAL (BIOSOLIDS)
Adjacent high-risk facility names and exact street numbers are redacted (2 preview samples unlocked).
| Facility Name / Hazard Type | Sector Location (Street Redacted) | Distance | Risk Score (0–100) | Compliance Status |
|---|---|---|---|---|
| 🔒 Locked Regulated EPA Enforcement Record #1 | 🔒 Exact Street & Parcel Redacted • KEYSTONE (ZIP 57751 Sector) | 0.02 mi (99 ft) | MODERATE (30/100) | Resolved / Historical Non-Compliance • Unlock → |
| MT RUSHMORE VISITOR CENTER REHABILITATION & PAVER FREE PREVIEW (LOW RISK) | 13000 SD 244, KEYSTONE | 0.31 mi (1,652 ft) | LOW (12/100) | No Violation Identified |
| MOUNT RUSHMORE NATIONAL MONUMENT FREE PREVIEW (LOW RISK) | 13000 SD HIGHWAY 244, KEYSTONE | 0.41 mi (2,154 ft) | LOW (12/100) | No Violation Identified |