A91/100
CROFTON-ODENTON — Water Quality Report 2026
Serving 62,986 people · Maryland
Water Source
Groundwater
County
—
System ID
MD0020008
Violations
6
Contaminant Test Results
1 contaminant above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
chlorate | 590.00 µg/L | — | Above Goal |
EPA Violation History
1
Violation (last 5yr)
0
Unresolved
0
Health-Related
TIER 3Resolved
Failed to issue ongoing public notification
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: October 1, 2022 – October 13, 2022Rule: 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 CROFTON-ODENTON
Is CROFTON-ODENTON water safe to drink?
CROFTON-ODENTON water receives a grade of A (91/100), which is considered excellent. Out of 66 contaminants tested, none exceed EPA legal limits. 1 contaminant(s) exceed non-enforceable health goals. The water meets federal safety standards.
What contaminants has CROFTON-ODENTON detected?
66 contaminants were tested in CROFTON-ODENTON's water. Notable contaminants include chlorate. No contaminants exceed EPA legal limits. 1 exceed EPA health goals (MCLGs).
Does CROFTON-ODENTON have any EPA violations?
Yes, CROFTON-ODENTON has 6 EPA violation(s) on record, with the most recent in 2022. Violation types include MR, Other.
How many people does CROFTON-ODENTON serve?
CROFTON-ODENTON serves approximately 62,986 people, Maryland.
What type of water does CROFTON-ODENTON provide?
CROFTON-ODENTON sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is MD0020008.
How does CROFTON-ODENTON compare to other utilities in Maryland?
CROFTON-ODENTON scores 91/100 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.