PUBLIC DATA SOURCE: U.S. EPA ECHO, FRS, RCRA, TRI & FEMA NFHL 3,230,651 Regulated Sites • All 50 States • Data as of November 01, 2026
Home › States › Washington › Ephrata › ZIP 98823
6-IN-1 ZIP CODE ENVIRONMENTAL, WATER, SOIL & FLOOD PROFILE • 98823

ZIP 98823 (Ephrata, WA) — Flood Zone, Water Quality, Soil Foundation, Radon & EPA Hazards

Run Full 1-Mile Property Scan in 98823 →

ZIP code 98823 in Ephrata, Washington (Grant County) has 51 EPA-tracked facilities, including 1 High-Risk sites (2.0%), 4 active violators, and $0 in federal penalties. Beyond industrial pollution, properties in ZIP 98823 are screened across 1 historical Grant County FEMA disasters, USDA Soil Foundation Shrink-Swell (LOW signal), Tap Water & Watershed Permits (20), and EPA Zone 2 — Moderate Potential (2.0 – 4.0 pCi/L).

Total EPA Sites in 98823
51
High-Risk (2.0% vs 3.7% County)
1
Active Violators (7.8%)
4
Drinking & Clean Water
20
Federal Penalties
$0

ZIP 98823 (Ephrata, WA) 6-in-1 Flood, Soil Foundation, Tap Water & Radon Signals

🔒 Parcel-Level Soil LEP %, Water Table Depth & Flood Zone Require Street Address Scan
🌊 Flood Zone & FEMA Disaster History
Grant County: 1 FEMA Declarations (0 Flood/Storm)
🔒 Exact Parcel Flood Zone (AE / VE / X) & SFHA Mandatory Insurance Status Locked
Unlock Parcel Flood Zone →
🪨 USDA Soil, Foundation & Water Table
Shrink-Swell Risk Signal: LOW • Pipe Corrosion: Moderate
🔒 Exact USDA Soil Series, Linear Extensibility (LEP %) & Water Table Depth (ft) Locked
Unlock Parcel Soil Test →
🚰 Tap Water (SDWIS) & PFAS Check
6 SDWIS Systems • 14 NPDES Permits
🔒 1 Impaired Water (303d) & 11 Violation Dockets in 98823 Locked
Unlock Utility Violation Log →
☢️ EPA Radon & Karst Sinkhole
EPA Zone 2 — Moderate Potential (2.0 – 4.0 pCi/L)
Low / Non-Karst Bedrock & Alluvial Formation
🔒 0.25-Mi Vapor Intrusion Buffer Locked

📊 ZIP 98823 (Ephrata, WA) Statistical Risk Graphs & Multi-Hazard Telemetry

SOURCE: EPA ECHO • USDA SSURGO • FEMA NRI • USGS (November 01, 2026)
1. ZIP 98823 Regulatory & Water Mix
RCRA Hazardous Waste Generators 28 (54.9%)
Clean Water (NPDES) & Drinking Water (SDWIS) 20 (39.2%)
Active EPA Non-Compliance Dockets 4 (7.8%)
High-Risk Enforcement Facilities 1 (2.0%)
2. FEMA NRI & USGS Hazard Index (1–10) Relatively Low (76.9/100)
🌊 Flood Exposure 5/10 • Moderate Hazard
🔥 Wildfire Hazard 5/10 • Moderate Hazard
☀️ Extreme Heat 5/10 • Moderate Hazard
🌪️ Severe Wind / Storm 3/10 • Low Hazard
🫨 USGS Earthquake 3/10 • Low Hazard
3. ZIP 98823 vs. County & State Benchmark
ZIP 98823 High-Risk Rate 2.0%
Grant County Average 3.7%
Washington (WA) Statewide Avg 5.2%
Unlock Street-Level Dossier: Paid report reveals exact facility names, distances in feet, USDA soil LEP %, water table depth, and parcel flood zone.
🔒 Unlock Full 6-in-1 Property Report for 98823 →

ZIP 98823 Sector Screening Map (High-Risk Pin Coordinates Locked)

Exact street pins for 1 High-Risk and 4 Active Violation sites are redacted on public directory maps.

🔒 Unlock Exact Hazard Pin Map →
🔒 1 High-Risk & 4 Violation Pin Coordinates Redacted in ZIP 98823 (Only 3 Low-Risk Preview Pins Shown) Unlock Full Parcel Map & Street Dossier →

Regulated EPA Facilities in ZIP 98823 (Ephrata, WA)

100% of High-Risk & penalized facilities have facility names, street names, and dockets redacted (3 Low-Risk compliant records shown as Free Previews).

Unlock Full ZIP 98823 Dossier →
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 • EPHRATA, WA (ZIP 98823 Sector) HIGH (64/100) Significant Violation (1 qtrs NC) 🔒 1 Qtrs Non-Compliance • Unlock →
🔒 Locked High-Risk EPA Enforcement Record #2 🔒 Exact Street & Parcel Redacted • EPHRATA, WA (ZIP 98823 Sector) HIGH (64/100) Significant Violation (2 qtrs NC) 🔒 2 Qtrs Non-Compliance • Unlock →
🔒 Locked Regulated EPA Enforcement Record #3 🔒 Exact Street & Parcel Redacted • EPHRATA, WA (ZIP 98823 Sector) MODERATE (33/100) No Violation Identified (0 qtrs NC) 🔒 Active Permit Dossier • Unlock →
🔒 Locked Regulated EPA Enforcement Record #4 🔒 Exact Street & Parcel Redacted • EPHRATA, WA (ZIP 98823 Sector) MODERATE (30/100) Resolved / Historical Non-Compliance (10 qtrs NC) 🔒 10 Qtrs Non-Compliance • Unlock →
🔒 Locked Regulated EPA Enforcement Record #5 🔒 Exact Street & Parcel Redacted • EPHRATA, WA (ZIP 98823 Sector) MODERATE (30/100) Resolved / Historical Non-Compliance (7 qtrs NC) 🔒 7 Qtrs Non-Compliance • Unlock →
🔒 Locked Regulated EPA Enforcement Record #6 🔒 Exact Street & Parcel Redacted • EPHRATA, WA (ZIP 98823 Sector) MODERATE (30/100) Resolved / Historical Non-Compliance (7 qtrs NC) 🔒 7 Qtrs Non-Compliance • Unlock →
🔒 Locked Regulated EPA Enforcement Record #7 🔒 Exact Street & Parcel Redacted • EPHRATA, WA (ZIP 98823 Sector) MODERATE (30/100) Resolved / Historical Non-Compliance (1 qtrs NC) 🔒 1 Qtrs Non-Compliance • Unlock →
🔒 Locked Regulated EPA Enforcement Record #8 🔒 Exact Street & Parcel Redacted • EPHRATA, WA (ZIP 98823 Sector) MODERATE (30/100) Resolved / Historical Non-Compliance (1 qtrs NC) 🔒 1 Qtrs Non-Compliance • Unlock →
WA DOT EPHRATA FREE PREVIEW (LOW RISK) 804 BASIN ST NW, EPHRATA, WA 98823 LOW (17/100) No Violation Identified (0 qtrs NC) $0
USWCOM EPHRATA RADIO FREE PREVIEW (LOW RISK) T23N R26S33 NE1/4 SE1/4 NE1/4, EPHRATA, WA 98823 LOW (17/100) No Violation Identified (0 qtrs NC) $0
QWEST EPHRATA CO FREE PREVIEW (LOW RISK) 108 C ST SW, EPHRATA, WA 98823 LOW (17/100) No Violation Identified (0 qtrs NC) $0
RITE AID 6347 FREE PREVIEW (LOW RISK) 250 BASIN ST SW, EPHRATA, WA 98823 LOW (17/100) No Violation Identified (0 qtrs NC) $0
🔒 + 39 Additional Regulated & Enforcement Records in ZIP 98823 Redacted from Public Directory Run 1-Mile Property Scan to Unlock All Records →

Frequently Asked Questions — ZIP 98823 (Ephrata, WA) EPA Dataset & Radon

DATASET: U.S. EPA ECHO • FRS • RCRAInfo • TRI (November 01, 2026)

How many EPA-tracked environmental sites are in ZIP code 98823 (Ephrata, WA)?

ZIP code 98823 (Ephrata, WA) contains 51 EPA-tracked facilities, of which 1 (2.0%) are classified in the High-Risk tier, 4 (7.8%) have active compliance violations, and 28 (54.9%) handle RCRA hazardous waste.

How does ZIP 98823 compare to Grant County and Washington averages?

In ZIP 98823, 2.0% of regulated sites are rated High Risk, compared to 3.7% across Grant County and 5.2% statewide in Washington.

What is the EPA Radon Zone and ASTM Phase I screening radius for ZIP 98823?

Geologic screening places ZIP 98823 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 98823 (Ephrata, WA) in a FEMA flood zone and what is the flood disaster history?

Grant County has recorded 1 historical FEMA federal disaster declarations (0 flood, hurricane, or severe storm declarations). Run a street address scan in ZIP 98823 to unlock the exact parcel FEMA flood zone (AE / VE / X) and mandatory flood insurance status.

Does ZIP 98823 have expansive clay soil, foundation problems, or drinking water violations?

USDA regional soil screening for ZIP 98823 indicates a LOW shrink-swell risk signal. Within ZIP 98823, federal registries track 6 SDWIS drinking water facilities, 14 Clean Water NPDES permits, and 1 impaired water body dischargers. Unlock a full property report for exact soil LEP %, water table depth, and utility violation dockets.

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