B74/100
TOWN OF CHARLESTOWN — Water Quality Report 2026
Serving 3,791 people · Maryland
Water Source
Groundwater
County
—
System ID
MD0070029
Violations
19
Contaminant Test Results
1 contaminant above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Lead (90th percentile) | 0.002 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
3
Violations (last 5yr)
0
Unresolved
1
Health-Related
TIER 3Resolved
Reporting violation
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: October 17, 2024 – October 18, 2024Rule: Ground Water RuleEnforcement: Resolving — corrective action underway
TIER 2Resolved
Treatment technique violation
When: October 17, 2024 – October 18, 2024Rule: Ground Water RuleEnforcement: Resolving — corrective action underway
TIER 3Resolved
Monitoring / Reporting Violation
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: January 1, 2024 – February 13, 2024Rule: Ground Water RuleEnforcement: Resolving — corrective action underway
Understanding violation severity
Tier 1Urgent health risk. Utility must notify all customers within 24 hours.Tier 2Important health or treatment issue. Customers notified within 30 days.Tier 3Administrative or monitoring issue. Reported in the annual water quality report.
Source: EPA Safe Drinking Water Information System (SDWIS) · Updated quarterly
Frequently Asked Questions About TOWN OF CHARLESTOWN
Is TOWN OF CHARLESTOWN water safe to drink?
TOWN OF CHARLESTOWN water receives a grade of B (74/100), which is considered good. Out of 21 contaminants tested, none exceed EPA legal limits. 1 contaminant(s) exceed non-enforceable health goals. The water meets federal safety standards.
What contaminants has TOWN OF CHARLESTOWN detected?
21 contaminants were tested in TOWN OF CHARLESTOWN's water. Notable contaminants include Lead (90th percentile). No contaminants exceed EPA legal limits. 1 exceed EPA health goals (MCLGs).
Does TOWN OF CHARLESTOWN have any EPA violations?
Yes, TOWN OF CHARLESTOWN has 19 EPA violation(s) on record, with the most recent in 2024. Violation types include RPT, TT, MR. 1 are health-based violations.
How many people does TOWN OF CHARLESTOWN serve?
TOWN OF CHARLESTOWN serves approximately 3,791 people, Maryland.
What type of water does TOWN OF CHARLESTOWN provide?
TOWN OF CHARLESTOWN sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is MD0070029.
How does TOWN OF CHARLESTOWN compare to other utilities in Maryland?
TOWN OF CHARLESTOWN scores 74/100 with a grade of B (good). This is an above-average performance for utilities statewide. Visit our Maryland state page for a full comparison of water systems.