Saint James, MD (21781): High Radon Potential Area
EPA data for City of Hagerstown
EPA records for the water systems mapped to 21781 in Saint James, MD contain zero recorded violations for inclusive record years 2021 through 2026. This does not establish that every category was monitored or published, and it does not cover events outside that source window.
Data source: U.S. Environmental Protection Agency (EPA) SDWIS
At a Glance
- Water No drinking-water violations in EPA records since 2021.
- Lead The reported 90th-percentile lead result of 0.0008 mg/L is below the EPA action level for water systems; EPA's health goal for lead is zero.
- Radon EPA Zone 1 - highest county-level potential. This is not a home measurement; test before any threshold comparison.
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Score Breakdown
Overall Home Safety Score: Score unavailable
Required evidence is missing. Missing values remain unknown and are not imputed or renormalized.
Canonical components
Required domains
Coverage: 3 of 4 components and 2 of 3 domains observed.
Model 4.0.0; series home-safety-v4-cross-vertical.
Safety & Health (6) HIGH
Your Water System
ZIP code 21781 in Saint James, Maryland is mapped to the water system City of Hagerstown (EPA ID: MD0210010). This system provides water to approximately 92,200 people from surface water sources.
Other Water Quality Reports in Maryland
- 20588 (Dhs)
- 20601 (Waldorf) - 3 violations recorded for mapped water systems
- 20602 (Waldorf) - 3 violations recorded for mapped water systems
- 20603 (Waldorf) - 3 violations recorded for mapped water systems
- 20604 (Waldorf)
- 20606 (Abell)
- 20607 (Accokeek) - 3 violations recorded for mapped water systems
- 20608 (Aquasco)
- 20609 (Avenue)
- 20610 (Barstow)
- 20611 (Bel Alton) - 3 violations recorded for mapped water systems
- 20612 (Benedict)
- 20613 (Brandywine) - 2 violations recorded for mapped water systems
- 20615 (Broomes Island)
- 20616 (Bryans Road) - 1 violation recorded for mapped water systems
- 20617 (Bryantown)
- 20618 (Bushwood)
- 20619 (California) - 12 violations recorded for mapped water systems
- 20620 (Callaway) - 1 violation recorded for mapped water systems
- 20621 (Chaptico) - 4 violations recorded for mapped water systems
Nearby Water Quality Reports
- 21733 (Fairplay) - <1 mi
- 21746 (Hagerstown) - 2 mi
- 21795 (Williamsport) - 3 mi - 5 violations recorded for mapped water systems
- 21713 (Boonsboro) - 4 mi - 1 violation recorded for mapped water systems
- 21734 (Funkstown) - 4 mi
- 21740 (Hagerstown) - 4 mi - 7 violations recorded for mapped water systems
- 21748 (Hagerstown) - 5 mi
- 21741 (Hagerstown) - 5 mi
- 21747 (Hagerstown) - 5 mi
- 21749 (Hagerstown) - 5 mi
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View available EPA compliance records for City of Hagerstown (MD0210010) on EPA.gov.
4 of the top compounds applied across the surrounding county in USGS pesticide-use estimates appear on EPA drinking-water monitoring lists. See the agricultural pesticide-use section.
Environmental Hazards (9) MODERATE
Home & Infrastructure (4) OK
Cost & Community (6) OK
CPSC product recall notices
These national notices are not matched to this ZIP code or water system.
Frequently Asked Questions
Is the tap water in 21781 safe to drink?
EPA SDWIS records 0 violations since 2021 across the water systems mapped to ZIP 21781 (primary system: City of Hagerstown), including 0 health-based. The violation table above shows which system each record belongs to. ZipCheckup last updated this page in July 2026. The federal source release date is unavailable, so that month is not presented as source currency.
Where does 21781's water come from?
The recorded water source for City of Hagerstown, a system mapped to ZIP code 21781, is Surface water. This system serves approximately 92,200 people.
How can I get my water tested in Saint James?
If City of Hagerstown supplies your home, contact it for its Consumer Confidence Report; otherwise contact the water utility that serves your address, or hire a certified lab for independent home water testing. The EPA recommends annual testing if you use a private well.
Is lead a concern in 21781 tap water?
The Lead and Copper Rule record selected for 21781 reports a 90th-percentile lead result of 0.0008 mg/L for a water system mapped to this ZIP (record date 2025-12-31). The EPA action level is 0.015 mg/L. This result is below the EPA action level; it does not show the lead level in each home.
What is the radon risk for 21781?
21781 is mapped to a county in EPA Radon Zone 1 (high county-level radon potential; EPA recommends testing every home), located in Washington County. EPA radon zones range from Zone 1 (highest county-level potential) to Zone 3 (lowest). Testing your home is recommended regardless of zone.
How to cite this page
ZipCheckup. (2026). Saint James, MD (21781): High Radon Potential Area. https://zipcheckup.com/report/21781/
@misc{zipcheckup-report-21781,
author = {{ZipCheckup}},
title = {{Saint James, MD (21781): High Radon Potential Area}},
year = {2026},
url = {https://zipcheckup.com/report/21781/}
}
Page version: October 2026.
Nearby ZIP Code Reports
Water quality comparison for ZIP codes near 21781
| ZIP Code | City, State | Distance | Grade | Violations |
|---|---|---|---|---|
| 21733 | Fairplay, MD | <1 mi | N/A | 0 |
| 21746 | Hagerstown, MD | 2.2 mi | N/A | 0 |
| 21795 | Williamsport, MD | 3.0 mi | C | 5 |
| 21713 | Boonsboro, MD | 3.7 mi | D | 1 |
| 21734 | Funkstown, MD | 4.0 mi | C | 0 |
| 21740 | Hagerstown, MD | 4.5 mi | C | 7 |
| 21748 | Hagerstown, MD | 5.0 mi | N/A | 0 |
| 21741 | Hagerstown, MD | 5.4 mi | N/A | 0 |
| 21747 | Hagerstown, MD | 5.4 mi | N/A | 0 |
| 21749 | Hagerstown, MD | 5.4 mi | N/A | 0 |
Nearby ZIP Code Reports
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