Lutherville Timonium, MD Water Safety: 57/100 (2026)
2 ZIP codes · 1 water system · Updated 2026-06-04
Within Lutherville Timonium, water safety data for MD reveals moderate quality — federal standards are generally met, but documented exceptions exist in specific service areas.
How Lutherville Timonium Compares
Data: EPA SDWIS Last verified: 2026-06-04
What You Should Know About Lutherville Timonium Water
- Estimated remediation: $1,600 per household.
- CDC health risk index: 13.39 — above typical levels.
Who Supplies Your Water in Lutherville Timonium
Supply infrastructure in Lutherville Timonium, MD runs through a single dominant provider — the main entity among 1 tracked system through which rate decisions, infrastructure work, and federal compliance are managed.
Overview
We track water quality and home safety data for 2 ZIP codes in Lutherville Timonium, Maryland (population ~38,895), covering 1 community water system serving approximately 1,600,000 people region-wide.
No EPA violations recorded across any ZIP codes in Lutherville Timonium — an excellent indicator of water quality.
Home Safety Score
Average Home Safety Score for Lutherville Timonium: C (57/100)
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
Lutherville Timonium water systems draw from: Surface water.
Lead & Copper
- Lead data: not yet available for Lutherville Timonium
- 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 |
|---|---|---|---|
| 21093 | D | CITY OF BALTIMORE | 1,600,000 |
| 21094 | C | CITY OF BALTIMORE | 1,600,000 |
All ZIP Codes in Lutherville Timonium
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.
Health Outcomes in Lutherville Timonium
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
Cost Context: What Remediation Means for Lutherville Timonium Homeowners
In Lutherville Timonium, property wealth outpaces what documented remediation typically demands — the equity burden lands well within the low tier.
Remediation costs in Lutherville Timonium are relatively low compared to home values. The $800–$2,600 estimated range is a small fraction of median property value. Home values are 9% above the Maryland average.
Flood & Climate Risk in Lutherville Timonium
How does Lutherville Timonium's flood record connect to local water quality? The NFIP documents 58 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.
Lutherville Timonium has a moderate flood history with 58 FEMA claims averaging $7,153 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 Lutherville Timonium
- 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.
Deep Dive Reports
Detailed analysis for Lutherville Timonium, MD