ZIP Code 21710 Water Quality Report
Adamstown, MD · Frederick County County
Water Safety Grade
Poor — Multiple violations recorded
Health Violations
0
Total Violations
0
Lead Risk
Moderate
Contaminants
0
About Tap Water in ZIP Code 21710
Tap water in ZIP code 21710 (Adamstown, MD) has received a D grade (score: 53/100) — below average for the nation. NEW DESIGN - FREDERICK COUNTY has recorded notable violations with EPA Safe Drinking Water Act regulations. Residents may want to consider additional filtration and review their annual Consumer Confidence Report.
Water System
NEW DESIGN - FREDERICK COUNTY
EPA ID: MD0100030
Water Source
Surface Water
Population Served
74,911 residents
County
Frederick County County, Maryland
Lead Levels in ZIP 21710
EPA action level: 15 ppb | Public health goal: 0 ppb
Lead Data Not Available
Lead exposure risk in 21710 is rated Moderate. EPA models estimate a 36% probability of lead exposure risk in this ZIP code based on housing age, infrastructure age, and water system data. This may reflect a mix of older and newer housing stock and infrastructure. Families with young children should test their home's water and consider a certified NSF/ANSI 53 water filter.
EPA model estimate based on housing age and infrastructure
Violation History
Past 5 years — EPA SDWIS data
NEW DESIGN - FREDERICK COUNTY has recorded zero violations in the EPA compliance database over the past 5 years — a strong indicator of consistent regulatory compliance and careful monitoring.
Contaminants Detected
Contaminants with health-based violations on record
No health-based contaminant violations are on record for ZIP code 21710. This means EPA monitoring has not found levels of regulated contaminants exceeding the Maximum Contaminant Levels (MCLs) set under the Safe Drinking Water Act — a positive indicator of water quality compliance.
Water Source & Environmental Factors
Surface Water
This system draws water from lakes, rivers, or reservoirs. Surface water is treated to remove sediment, microorganisms, and chemical contaminants before reaching taps.
Highest potential
Estimated annual flood-related costs per property
% of household income spent on energy — indicator of older infrastructure
EPA Radon Zone 1 — highest potential for radon in indoor air. Homeowners should test their home for radon and consider mitigation if levels exceed 4 pCi/L.
🛡 What Should You Do? — ZIP 21710 Recommendations
Serious water quality concerns — action recommended
- 🚨 Install a certified NSF/ANSI 53 or 58 (reverse osmosis) filter immediately for drinking and cooking
- 🚨 Do not give unfiltered water to children, pregnant women, or immunocompromised individuals
- 🚨 Contact NEW DESIGN - FREDERICK COUNTY to request the current violation status and corrective action plan
- 🚨 Report concerns to your state environmental agency or call the EPA hotline: 1-800-426-4791
- 🚨 Consider having your home's tap water independently tested by a certified lab
Frequently Asked Questions — ZIP 21710 Water Quality
Is tap water safe to drink in ZIP code 21710?+
What is the lead level in 21710 tap water?+
Who provides tap water to 21710?+
What is the water source for 21710?+
Does 21710 have any active water quality violations?+
How do I get a copy of my water quality report for 21710?+
What water filter should I use in 21710?+
Is 21710 tap water safe for babies and infants?+
Data Sources & Methodology
Water quality data for ZIP code 21710 is compiled from the EPA Safe Drinking Water Information System (SDWIS), EPA ECHO enforcement database, UCMR5 unregulated contaminant monitoring, and Consumer Confidence Reports filed by NEW DESIGN - FREDERICK COUNTY. Safety scores are composite metrics derived from violation history, lead levels, enforcement actions, and infrastructure risk indicators. Data reflects a 5-year monitoring window. Last dataset update: 2024. View EPA source data →