A88/100
TOWN OF ROCK HALL — Water Quality Report 2026
Serving 1,750 people · Maryland
Water Source
Groundwater
County
—
System ID
MD0140006
Violations
9
Contaminant Test Results
1 contaminant above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Lead (90th percentile) | 0.004 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
1
Violation (last 5yr)
1
Unresolved
0
Health-Related
TIER 3Unresolved
Surface water treatment technique failure
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 ROCK HALL
Is TOWN OF ROCK HALL water safe to drink?
TOWN OF ROCK HALL water receives a grade of A (88/100), which is considered excellent. Out of 1 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 ROCK HALL detected?
1 contaminants were tested in TOWN OF ROCK HALL's water. Notable contaminants include Lead (90th percentile). No contaminants exceed EPA legal limits. 1 exceed EPA health goals (MCLGs).
Does TOWN OF ROCK HALL have any EPA violations?
Yes, TOWN OF ROCK HALL has 9 EPA violation(s) on record, with the most recent in 2025. Violation types include Other, MR.
How many people does TOWN OF ROCK HALL serve?
TOWN OF ROCK HALL serves approximately 1,750 people, Maryland.
What type of water does TOWN OF ROCK HALL provide?
TOWN OF ROCK HALL sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is MD0140006.
How does TOWN OF ROCK HALL compare to other utilities in Maryland?
TOWN OF ROCK HALL scores 88/100 with a grade of A (excellent). This places it among the higher-performing utilities in the state. Visit our Maryland state page for a full comparison of water systems.