Greenbelt, MD - Home Safety 83/100
3 ZIP codes · 1 water system · Updated
ZipCheckup grade for Greenbelt: B.
This ZIP has a few items worth a quick check.
In ZipCheckup's scoring, Greenbelt, MD lands in the A-B grade tier.
How Greenbelt Compares
Data: EPA SDWIS
Key Facts for Greenbelt Residents
- Estimated remediation: $500 per household.
- Health risk index (ZipCheckup composite of CDC data): 13.05.
Greenbelt's Water Providers
Federal drinking water data connect ZIP codes in Greenbelt, MD to a count of 1 system, and the list on this page shows one of them. A listing reflects that link, not proof of which system serves a given street.
- B
Overview
We track home safety data for 3 ZIP codes in Greenbelt, Maryland (population ~28,181), covering 1 community water system serving approximately 1,900,000 people region-wide. The EPA snapshots used for this build directly map water systems to 2 of 3 ZIP codes.
The available EPA record reports 0 violations for 2 ZIP codes with a reported violation count.
Home Safety Score
Average Home Safety Score for Greenbelt: B (83/100)
Model 4.0.0 uses four measured components across three equally weighted domains. If a required domain is unavailable, no score is published:
| Factor | What It Measures |
|---|---|
| Water Quality | EPA violations and compliance history |
| PFAS MCL Screen | UCMR 5 testing against the covered federal MCLs |
| Radon Risk | EPA radon zone classification |
| Annual AQI | EPA AirData county-year median with at least 90 observed days |
Water Sources
Greenbelt water systems draw from: Surface water.
Lead & Copper
- Average of reported 90th-percentile lead results: reported as 0 mg/L (a reported 0 is not proof of no lead; check the source record for its reporting limit) (EPA action level: 0.015 mg/L)
- 0 of 2 ZIP codes with known status exceed the EPA lead action level
Radon Risk
3 of 3 ZIP records with known zones are in EPA Radon Zone 2.
The EPA recommends testing all homes regardless of radon zone. County radon zones cannot replace an in-home radon test.
Areas with No Violations
| ZIP Code | Safety Score | System | Population |
|---|---|---|---|
| 20770 | B | Washington Suburban Sanitary Commission | 1,900,000 |
| 20771 | B | Washington Suburban Sanitary Commission | 1,900,000 |
All ZIP Codes in Greenbelt
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
Reporting periods vary by source. Missing data is shown as unavailable, not as zero.
Greenbelt Community Health Snapshot
Source: CDC PLACES (County-level estimates). County health indicators are shown for context only and are not linked to this area's water records.
Compared to National Average
Vertical line = national average. ■ Above national · ■ Below national
How Remediation Costs Compare in Greenbelt
Because the median home value in Greenbelt is large relative to the estimated cost of remediation, the ratio between them stays at or below 1%; that is a statement about two area-level numbers, not a quote for a particular house or a judgment about what an owner can pay.
Estimated remediation costs in Greenbelt can be compared with local home values. The $300–$800 estimated range can be set against the median property value; actual costs vary by home. Home values are 42% below the Maryland average.
Greenbelt: NFIP Claim Records and Water-Quality Context
Historical NFIP data for Greenbelt contains 4 flood insurance claims. Among claims with payment data, the average reported building, contents, and ICC component sum is $4,085. Among ZIP codes with claim records, 0% have an A- or V-family dominant rated zone recorded in those historical claims. This is not a complete current FEMA property-map inventory.
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. The $500 remediation estimate shown here excludes flood insurance and is not derived from NFIP claim count.
Claim count does not establish current property risk. Check the exact address in FEMA's current map and obtain a property-specific insurance quote when relevant.
Source: historical FEMA National Flood Insurance Program (NFIP) claim records. No current FEMA property-map designation is asserted.
Deep Dive Reports
Detailed analysis for Greenbelt, MD