Oxon Hill, MD Water Safety: 54/100 (2026)
2 ZIP codes · 2 water systems · Updated 2026-06-03
Across water systems in Oxon Hill, EPA data shows a below-average compliance pattern for MD — health-based violations are on file in several areas, and checking the specific system serving your address is a practical first step for concerned residents.
How Oxon Hill Compares
Data: EPA SDWIS Last verified: 2026-06-03
Key Facts for Oxon Hill Residents
- Estimated remediation: $1,250 per household.
- CDC health risk index: 13.05 — above typical levels.
Oxon Hill's Water Providers
Residential water in Oxon Hill, MD is supplied by 2 separate utilities — not one centralized authority. Each of those providers operates under its own service territory boundary, maintains its own distribution infrastructure, and files compliance documentation with the EPA on its own timeline. Federal data counts 2 water systems in the area, with these providers collectively accounting for the dominant share of household connections.
Overview
We track water quality and home safety data for 2 ZIP codes in Oxon Hill, Maryland (population ~29,518), covering 2 community water systems serving approximately 1,925,000 people region-wide.
No EPA violations recorded across any ZIP codes in Oxon Hill — an excellent indicator of water quality.
Home Safety Score
Average Home Safety Score for Oxon Hill: D (54/100)
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
Oxon Hill water systems draw from: Groundwater.
Lead & Copper
- Lead data: not yet available for Oxon Hill
- 0 ZIP codes exceed the EPA lead action level
Radon Risk
Dominant radon zone: Zone 2 (Moderate Risk)
- Zone 1 (High): 0 ZIP codes
- Zone 2 (Moderate): 2 ZIP codes
- Zone 3 (Low): 0 ZIP codes
The EPA recommends testing homes in Zone 1 and Zone 2 areas for radon.
Areas with No Violations
| ZIP Code | Safety Score | System | Population |
|---|---|---|---|
| 20745 | C | WASHINGTON SUBURBAN SANITARY COMMISSION | 1,900,000 |
| 20750 | D | CITY OF BOWIE | 25,000 |
All ZIP Codes in Oxon Hill
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.
Oxon Hill 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
How Remediation Costs Compare in Oxon Hill
Property equity in Oxon Hill runs well ahead of estimated remediation costs — a cost-to-value ratio that sits in the low tier, meaning documented water and safety issues here are the kind homeowners can plan to address without treating the expense as a significant budget event relative to what their homes are worth.
Remediation costs in Oxon Hill are relatively low compared to home values. The $550–$2,100 estimated range is a small fraction of median property value. Home values are 18% below the Maryland average.
Oxon Hill: Flood History & Water Damage Risk
Flood history in Oxon Hill spans 30 NFIP claims and 50% flood zone coverage — enough to place it in moderate-exposure territory where flood events are genuinely recurring rather than statistical outliers. That distinction matters for water quality assessment because the connection between flooding and water safety is not uniform across communities. In low-exposure areas, flooding rarely generates the conditions needed to compromise treatment or distribution infrastructure. In high-exposure areas, it can do so repeatedly. Moderate-exposure communities sit in between: flood events occur with enough frequency to make periodic infrastructure stress a reasonable concern, particularly for private well owners and residents in lower-elevation FEMA-designated zones.
Oxon Hill has a moderate flood history with 30 FEMA claims averaging $7,437 per payout. 50% 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>$1,250</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.
What You Can Do in Oxon Hill
- Test your water at home. City-level data shows averages — your tap may differ. NSF-certified test kits cost $20-40 and give results in days.
- Install a certified water filter. An NSF-certified pitcher or under-sink filter removes most common contaminants.
- Check your home's plumbing. Homes built before 1986 may have lead solder in pipes. A licensed plumber can assess your risk.
- Review your water system's CCR. Your utility publishes an annual Consumer Confidence Report with detailed test results. Request it or find it online.
Deep Dive Reports
Detailed analysis for Oxon Hill, MD