Hagerstown, MD: 7 Violations — 64/100 (2026)
7 ZIP codes · 7 water systems · Updated 2026-06-03
Hagerstown, MD: middle-tier water safety by the latest federal monitoring.
How Hagerstown Compares
Data: EPA SDWIS Last verified: 2026-06-03
Water Quality Map: Hagerstown, MD
Each dot represents a ZIP code. Color indicates water quality grade. Tap a dot for details.
Score Distribution
Safety grade breakdown for Hagerstown's 7 ZIP codes.
Key Facts for Hagerstown Residents
- Your city's water systems recorded 7 violations in the past 5 years.
- Average lead level: 0.0008 mg/L.
- Estimated remediation: $1,800 per household.
- CDC health risk index: 14.16 — above typical levels.
Hagerstown's Water Providers
Multiple utilities divide Hagerstown, MD's water service — 3 leading providers among 7 on the federal register.
Overview
We track water quality and home safety data for 7 ZIP codes in Hagerstown, Maryland, covering 7 community water systems serving approximately 100,670 people.
7 of 7 ZIP codes (100%) have recorded EPA violations. All violations are monitoring/reporting type.
Home Safety Score
Average Home Safety Score for Hagerstown: C (64/100)
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
Hagerstown water systems draw from: Groundwater, Surface water.
Lead & Copper
- Average lead level (90th percentile): 0.0008 mg/L (EPA action level: 0.015 mg/L)
- 0 ZIP codes exceed the EPA lead action level
Radon Risk
Dominant radon zone: Zone 1 (High Risk)
- Zone 1 (High): 7 ZIP codes
- Zone 2 (Moderate): 0 ZIP codes
- Zone 3 (Low): 0 ZIP codes
The EPA recommends testing homes in Zone 1 and Zone 2 areas for radon.
Top Contaminants
| Contaminant | Category | Violations | ZIPs Affected |
|---|---|---|---|
| Total Trihalomethanes (TTHM) | Disinfection Byproducts | 8 | 7 |
Areas with Most Violations
| ZIP Code | Safety Score | Violations | Health-Based | System |
|---|---|---|---|---|
| 21740 | C | 1 | 0 | City of Hagerstown |
| 21741 | C | 1 | 0 | City of Hagerstown |
| 21742 | C | 1 | 0 | City of Hagerstown |
| 21746 | C | 1 | 0 | City of Hagerstown |
| 21747 | C | 1 | 0 | City of Hagerstown |
| 21748 | C | 1 | 0 | City of Hagerstown |
| 21749 | C | 1 | 0 | City of Hagerstown |
All ZIP Codes in Hagerstown
- 21740 [C] — 1 violation
- 21741 [C] — 1 violation
- 21742 [C] — 1 violation
- 21746 [C] — 1 violation
- 21747 [C] — 1 violation
- 21748 [C] — 1 violation
- 21749 [C] — 1 violation
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.
Hagerstown 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
What's in Hagerstown's Water?
Based on EPA violation records. Check your ZIP code report for system-specific contaminant data.
How Remediation Costs Compare in Hagerstown
What does remediation cost in financial context for Hagerstown homeowners? Proportionally very little — the equity share here is low, and addressing documented issues is a manageable planning question rather than a material financial burden.
Remediation costs in Hagerstown are relatively low compared to home values. The $1,200–$2,371 estimated range is a small fraction of median property value. Home values are 34% below the Maryland average.
Hagerstown: 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.
Lead risk in Hagerstown appears low overall, but individual homes may differ. Testing is the only way to confirm your water's lead content.
Sources: EPA Lead and Copper Rule, U.S. Census Bureau ACS, CDC childhood lead poisoning prevention guidelines.
Hagerstown: Flood History & Water Damage Risk
107 FEMA flood insurance claims are on file for Hagerstown, and 43% of local ZIP codes fall within federally designated flood zones — enough to put flood exposure on the planning radar, though short of the concentrated-risk threshold where treatment-system vulnerability becomes a primary consideration.
Hagerstown has a moderate flood history with 107 FEMA claims averaging $7,206 per payout. 43% 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.
What You Can Do in Hagerstown
- 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. Filters rated for Total Trihalomethanes (TTHM) can reduce the most common contaminant found in Hagerstown's water.
- 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 Hagerstown, MD