Davidsonville, MD Water Safety: 55/100 (2026)
1 ZIP code · 3 water systems · Updated 2026-06-03
In recent monitoring cycles, Davidsonville tap water shows a mixed record for MD — several systems have documented violations alongside areas with clean compliance histories.
How Davidsonville Compares
Data: EPA SDWIS Last verified: 2026-06-03
Key Facts for Davidsonville Residents
- Homes built before 1986: 51% — older plumbing may contain lead solder.
- Estimated remediation: $1,600 per household.
- CDC health risk index: 11.75.
Davidsonville's Water Providers
Structurally, Davidsonville, MD's water supply is divided. Federal data identifies 3 water systems in the area, with 3 providers serving the bulk of residential connections. These utilities operate independently, meaning rate-setting authority and EPA compliance accountability are distributed rather than centralized.
Overview
We track water quality and home safety data for 1 ZIP code in Davidsonville, Maryland (population ~7,787), covering 3 community water systems serving approximately 121,165 people region-wide.
No EPA violations recorded across any ZIP codes in Davidsonville — an excellent indicator of water quality.
Home Safety Score
Average Home Safety Score for Davidsonville: C (55/100)
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
Davidsonville water systems draw from: Groundwater.
Lead & Copper
- Lead data: not yet available for Davidsonville
- 0 ZIP codes exceed the EPA lead action level
Radon Risk
Dominant radon zone: Zone 2 (Moderate Risk)
The EPA recommends testing homes in Zone 1 and Zone 2 areas for radon.
Areas with No Violations
| ZIP Code | Safety Score | System | Population |
|---|---|---|---|
| 21035 | C | Crofton-odenton | 62,986 |
All ZIP Codes in Davidsonville
- 21035 [C]
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.
Davidsonville 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
Davidsonville Infrastructure Age
With 51% of homes built before 1986, lead solder in plumbing is a potential concern. The EPA banned lead solder in 1986, but many older homes retain original plumbing.
Source: U.S. Census Bureau American Community Survey (ACS).
Housing Age Profile
Heavily weighted toward older construction, Davidsonville's housing stock carries a median build year of 1984. That profile puts a majority of homes in the era when lead-soldered copper plumbing was standard practice.
Over half of homes in Davidsonville were built before 1986, when lead solder was banned. Older plumbing may leach lead into drinking water, especially with corrosive water chemistry.
Source: U.S. Census Bureau ACS B25034.
How Remediation Costs Compare in Davidsonville
While no remediation project is entirely without cost, the relationship between estimated remediation and property values in Davidsonville is notably favorable — the equity share is small enough that the household financial perspective is one of proportionality rather than pressure, and most homeowners can treat it as routine planning rather than a significant financial event.
Remediation costs in Davidsonville are relatively low compared to home values. The $800–$2,600 estimated range is a small fraction of median property value. Home values are 88% above the Maryland average.
Davidsonville: Lead Risk & Vulnerable Populations
Why children are most at risk: The CDC states there is no safe level of lead exposure for children. Children under 6 absorb lead more readily than adults, and even low levels can cause developmental delays, learning difficulties, and behavioral problems.
After the federal action removing lead-bearing solder from new plumbing took effect, building practice shifted — but 51% of the Davidsonville inventory predates that line. With aggregate samples near or beyond 0.015 mg/L, an in-home check moves out of the optional column into the standard list.
Sources: EPA Lead and Copper Rule, U.S. Census Bureau ACS, CDC childhood lead poisoning prevention guidelines.
Davidsonville: Flood History & Water Damage Risk
Over the multi-decade window covered by the National Flood Insurance Program, Davidsonville has accumulated 14 claims — a total that suggests more than isolated flood exposure. With 100% of ZIP codes in designated flood zones, the water-quality implications of flooding move from hypothetical to periodically relevant: treatment intake can be compromised, wells can be infiltrated, and distribution backflow can occur.
Davidsonville has a moderate flood history with 14 FEMA claims averaging $6,483 per payout. 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>$1,600</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 Davidsonville
- 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. With 51% of homes built before 1986, lead solder is a real possibility.
Deep Dive Reports
Detailed analysis for Davidsonville, MD