D32/100
PATUXENT NAVAL AIR STATION (NAVFAC-WASH) — Water Quality Report 2026
Serving 22,000 people · Maryland
Water Source
Groundwater
County
—
System ID
MD0180022
Violations
57
Contaminant Test Results
1 contaminant above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
chlorate | 228.00 µg/L | — | Above Goal |
EPA Violation History
3
Violations (last 5yr)
0
Unresolved
0
Health-Related
TIER 3Resolved
Failed Level 2 Assessment under Revised Total Coliform Rule
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: June 1, 2023 – August 31, 2023Rule: Stage 2 DBPREnforcement: Resolving — corrective action underway
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 – January 11, 2023Rule: Ground Water RuleEnforcement: Resolving — corrective action underway
TIER 3Resolved
Exceeded the MCL for disinfection byproducts
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: January 1, 2022 – December 31, 2022Enforcement: 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 PATUXENT NAVAL AIR STATION (NAVFAC-WASH)
Is PATUXENT NAVAL AIR STATION (NAVFAC-WASH) water safe to drink?
PATUXENT NAVAL AIR STATION (NAVFAC-WASH) water receives a grade of D (32/100), which is considered poor. 0 contaminant(s) exceed EPA legal limits and 57 violation(s) are on record. Customers may want to consider using a water filter.
What contaminants has PATUXENT NAVAL AIR STATION (NAVFAC-WASH) detected?
66 contaminants were tested in PATUXENT NAVAL AIR STATION (NAVFAC-WASH)'s water. Notable contaminants include chlorate. No contaminants exceed EPA legal limits. 1 exceed EPA health goals (MCLGs).
Does PATUXENT NAVAL AIR STATION (NAVFAC-WASH) have any EPA violations?
Yes, PATUXENT NAVAL AIR STATION (NAVFAC-WASH) has 57 EPA violation(s) on record, with the most recent in 2023. Violation types include MR, MCL. 2 are health-based violations.
How many people does PATUXENT NAVAL AIR STATION (NAVFAC-WASH) serve?
PATUXENT NAVAL AIR STATION (NAVFAC-WASH) serves approximately 22,000 people, Maryland.
What type of water does PATUXENT NAVAL AIR STATION (NAVFAC-WASH) provide?
PATUXENT NAVAL AIR STATION (NAVFAC-WASH) sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is MD0180022.
How does PATUXENT NAVAL AIR STATION (NAVFAC-WASH) compare to other utilities in Maryland?
PATUXENT NAVAL AIR STATION (NAVFAC-WASH) scores 32/100 with a grade of D (poor). This score suggests significant water quality concerns relative to other utilities. Visit our Maryland state page for a full comparison of water systems.