Showell, MD Water Safety: 73/100 (2026)
1 ZIP code · 2 water systems · Updated 2026-06-03
Showell's tap water quality puts it in MD's upper tier — health-based violations are rare and the compliance record is consistently above average.
How Showell Compares
Data: EPA SDWIS Last verified: 2026-06-03
Key Facts for Showell Residents
- Estimated remediation: $1,800 per household.
- CDC health risk index: 14.1 — above typical levels.
Showell's Water Providers
Federal records list 2 water systems tied to Showell, MD. Of those, 2 are the primary providers, meaning service conditions, rate structures, and compliance histories can differ depending on where a property sits.
Overview
We track water quality and home safety data for 1 ZIP code in Showell, Maryland (population ~41), covering 2 community water systems serving approximately 12,040 people region-wide.
No EPA violations recorded across any ZIP codes in Showell — an excellent indicator of water quality.
Home Safety Score
Average Home Safety Score for Showell: B (73/100)
The score combines three factors:
| Factor | What It Measures |
|---|---|
| Water Quality | EPA violations and compliance history |
| Lead Levels | 90th percentile lead concentration vs EPA action level |
| Radon Risk | EPA radon zone classification |
Water Sources
Showell water systems draw from: Groundwater.
Lead & Copper
- Lead data: not yet available for Showell
- 0 ZIP codes exceed the EPA lead action level
Radon Risk
Dominant radon zone: Zone 3 (Low Risk)
Areas with No Violations
| ZIP Code | Safety Score | System | Population |
|---|---|---|---|
| 21862 | B | Ocean Pines | 11,890 |
All ZIP Codes in Showell
- 21862 [B]
Data Sources
- Water quality: EPA Safe Drinking Water Information System (SDWIS)
- Lead/copper: EPA Lead and Copper Rule sampling data
- Radon: EPA Map of Radon Zones
Updated daily.
Showell Community Health Snapshot
Source: CDC PLACES (County-level estimates). Water contamination can correlate with respiratory and chronic health conditions.
Compared to National Average
Vertical line = national average. ■ Above national · ■ Below national
Showell: Flood History & Water Damage Risk
How does Showell's flood record connect to local water quality? The NFIP documents 2 claims — enough to signal recurring events — and 100% of ZIP codes carry FEMA flood zone status. That combination places flooding in the category of factors that can periodically affect water infrastructure, even if the area isn't among the highest-exposure communities in the NFIP dataset.
Showell has a moderate flood history with 2 FEMA claims. 100% of ZIP codes fall within FEMA flood zones. Flood events can contaminate drinking water and overwhelm treatment systems.
How flooding affects water quality: Flood events can introduce sewage, agricultural runoff, and industrial chemicals into water supplies. Even after floodwaters recede, contamination can persist in wells and aging infrastructure. Flood damage can add significantly to the estimated <strong>$1,800</strong> remediation cost per household.
Residents in flood-prone areas should consider flood insurance even outside FEMA zones — over 25% of flood claims come from low-to-moderate risk areas. After any flood event, test your water before drinking.
Source: FEMA National Flood Insurance Program (NFIP) claims data, FEMA flood zone designations.
Deep Dive Reports
Detailed analysis for Showell, MD