Water Quality in Upper Marlboro, MD: No Violations - Grade N/A

Data: EPA Safe Drinking Water Information System (SDWIS)

Water Quality Overview

Upper Marlboro, Maryland has directly mapped EPA water-system data for 2 ZIP codes. This page reports typed compliance facts and does not relabel the multi-source Home Safety Score as a drinking-water grade.

The available EPA records report no violations across 2 directly mapped ZIP records with reported counts for Upper Marlboro. This does not guarantee the absence of contaminants.

Lead Levels

The average 90th percentile lead level across Upper Marlboro water systems is 0.0000 mg/L - within EPA limits. No exceedances appear among the 2 ZIP records with known lead status.

Water Systems Serving Upper Marlboro

Upper Marlboro is served by 1 community water system regulated under the Safe Drinking Water Act. These systems collectively serve approximately 104,989 people across 5 ZIP codes.

Each water system is identified by a Public Water System ID (PWSID) and is required to:

• Test for over 90 regulated contaminants on a regular schedule
• Report results to the EPA and state regulators
• Issue an annual Consumer Confidence Report (CCR) to all customers
• Take corrective action when violations occur

How to Check Your Water in Upper Marlboro

1. Enter your ZIP code on ZipCheckup to see your specific water system data, including contaminant levels and violation history

2. Request your CCR - your water utility must provide an annual Consumer Confidence Report with detailed test results for all monitored contaminants

3. Get a home test - certified kits cost $20–$50 and test for lead, bacteria, and common contaminants. Professional lab tests ($150–$400) cover a broader panel

4. Consider filtration - NSF-certified filters can remove specific contaminants. Reverse osmosis removes the broadest range; activated carbon is effective for chlorine and many organics

5. Check for advisories - monitor your local utility website and local news for boil water advisories or system alerts

Upper Marlboro vs. Nearby Maryland Cities

How Upper Marlboro's water quality compares to similar cities in Maryland:

Common Questions About Upper Marlboro Water

These are the most common questions residents search for about water quality in Upper Marlboro, Maryland:

Is Upper Marlboro water hard or soft? Water hardness varies by source. Upper Marlboro's 1 water system uses a single source. Check your ZIP code report for specific hardness data.

Can I drink Upper Marlboro tap water? City-level EPA records cannot determine safety at a specific tap. No health-based violations are recorded across 2 directly mapped ZIP records with known counts, but this is not a property-level safety guarantee.

What is the best water filter for Upper Marlboro? A NSF/ANSI 53-certified filter for lead removal is a good general choice. See our Water Filter Matcher for personalized recommendations.

Upper Marlboro vs. Maryland Average

Understanding how Upper Marlboro compares to the broader Maryland average helps contextualize your local water quality. Factors like water source, treatment methods, and infrastructure age all contribute to differences between cities in the same state.

To see how individual neighborhoods compare, check the ZIP code reports below - water quality can vary significantly even within Upper Marlboro.

ZIP Codes in Upper Marlboro

Upper Marlboro spans 5 ZIP codes. EPA water-system coverage is available for 2 directly mapped ZIP codes. Check each ZIP code for detailed contaminant data, violation history, and system information.

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
• Enforcement: EPA ECHO database
• Filter recommendations: NSF/ANSI certified products

Source reporting periods vary. See each cited source for its publication schedule.