ZIP 97603 (Klamath Falls, OR) — Flood Zone, Water Quality, Soil Foundation, Radon & EPA Hazards
ZIP code 97603 in Klamath Falls, Oregon (Klamath County) has 179 EPA-tracked facilities, including 5 High-Risk sites (2.8%), 15 active violators, and $15,800 in federal penalties. Beyond industrial pollution, properties in ZIP 97603 are screened across 4 historical Klamath County FEMA disasters, USDA Soil Foundation Shrink-Swell (HIGH signal), Tap Water & Watershed Permits (85), and EPA Zone 2 — Moderate Potential (2.0 – 4.0 pCi/L).
ZIP 97603 (Klamath Falls, OR) 6-in-1 Flood, Soil Foundation, Tap Water & Radon Signals
🔒 Parcel-Level Soil LEP %, Water Table Depth & Flood Zone Require Street Address Scan📊 ZIP 97603 (Klamath Falls, OR) Statistical Risk Graphs & Multi-Hazard Telemetry
SOURCE: EPA ECHO • USDA SSURGO • FEMA NRI • USGS (November 01, 2026)ZIP 97603 Sector Screening Map (High-Risk Pin Coordinates Locked)
Exact street pins for 5 High-Risk and 15 Active Violation sites are redacted on public directory maps.
Regulated EPA Facilities in ZIP 97603 (Klamath Falls, OR)
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 • KLAMATH FALLS, OR (ZIP 97603 Sector) | HIGH (80/100) | Significant Violation (7 qtrs NC) | 🔒 Federal Penalty on File • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #2 | 🔒 Exact Street & Parcel Redacted • KLAMATH FALLS, OR (ZIP 97603 Sector) | HIGH (64/100) | Significant Violation (11 qtrs NC) | 🔒 11 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #3 | 🔒 Exact Street & Parcel Redacted • KLAMATH FALLS, OR (ZIP 97603 Sector) | HIGH (64/100) | Significant Violation (1 qtrs NC) | 🔒 1 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #4 | 🔒 Exact Street & Parcel Redacted • KLAMATH FALLS, OR (ZIP 97603 Sector) | HIGH (64/100) | Significant Violation (11 qtrs NC) | 🔒 11 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #5 | 🔒 Exact Street & Parcel Redacted • KLAMATH FALLS, OR (ZIP 97603 Sector) | HIGH (64/100) | Significant Violation (1 qtrs NC) | 🔒 1 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #6 | 🔒 Exact Street & Parcel Redacted • KLAMATH FALLS, OR (ZIP 97603 Sector) | MODERATE (48/100) | Violation Identified (7 qtrs NC) | 🔒 Federal Penalty on File • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #7 | 🔒 Exact Street & Parcel Redacted • KLAMATH FALLS, OR (ZIP 97603 Sector) | MODERATE (36/100) | Violation Identified (11 qtrs NC) | 🔒 11 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #8 | 🔒 Exact Street & Parcel Redacted • KLAMATH FALLS, OR (ZIP 97603 Sector) | MODERATE (36/100) | Violation Identified (11 qtrs NC) | 🔒 11 Qtrs Non-Compliance • Unlock → |
| KLAMATH METALS FREE PREVIEW (LOW RISK) | 2825 BROADMORE ST., KLAMATH FALLS, OR 97603 | LOW (20/100) | No Violation Identified (0 qtrs NC) | $0 |
| OIL CAN HENRYS FREE PREVIEW (LOW RISK) | 5805 SOUTH 6TH STREET, KLAMATH FALLS, OR 97603 | LOW (17/100) | No Violation Identified (0 qtrs NC) | $0 |
| USDOI BLM KLAMATH FALLS RESOURCE AREA OF FREE PREVIEW (LOW RISK) | 2795 ANDERSON AVENUE, KLAMATH FALLS, OR 97603 | LOW (17/100) | No Violation Identified (0 qtrs NC) | $0 |
| MAZAMA HIGH SCHOOL FREE PREVIEW (LOW RISK) | 3009 SUMMERS LANE, KLAMATH FALLS, OR 97603 | LOW (17/100) | No Violation Identified (0 qtrs NC) | $0 |
Frequently Asked Questions — ZIP 97603 (Klamath Falls, OR) EPA Dataset & Radon
DATASET: U.S. EPA ECHO • FRS • RCRAInfo • TRI (November 01, 2026)How many EPA-tracked environmental sites are in ZIP code 97603 (Klamath Falls, OR)?
ZIP code 97603 (Klamath Falls, OR) contains 179 EPA-tracked facilities, of which 5 (2.8%) are classified in the High-Risk tier, 15 (8.4%) have active compliance violations, and 94 (52.5%) handle RCRA hazardous waste.
How does ZIP 97603 compare to Klamath County and Oregon averages?
In ZIP 97603, 2.8% of regulated sites are rated High Risk, compared to 3.3% across Klamath County and 3.2% statewide in Oregon.
What is the EPA Radon Zone and ASTM Phase I screening radius for ZIP 97603?
Geologic screening places ZIP 97603 in EPA Zone 2 — Moderate Potential (2.0 – 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 97603 (Klamath Falls, OR) in a FEMA flood zone and what is the flood disaster history?
Klamath County has recorded 4 historical FEMA federal disaster declarations (0 flood, hurricane, or severe storm declarations). Run a street address scan in ZIP 97603 to unlock the exact parcel FEMA flood zone (AE / VE / X) and mandatory flood insurance status.
Does ZIP 97603 have expansive clay soil, foundation problems, or drinking water violations?
USDA regional soil screening for ZIP 97603 indicates a HIGH shrink-swell risk signal. Within ZIP 97603, federal registries track 16 SDWIS drinking water facilities, 69 Clean Water NPDES permits, and 16 impaired water body dischargers. Unlock a full property report for exact soil LEP %, water table depth, and utility violation dockets.