TapGraded
C

JOINT BASE ANACOSTIA - BOLLING

Washington, DC · 19,312 served

JOINT BASE ANACOSTIA - BOLLING serves 19,312 people in Washington, DC. It has 2 health-based violations in the last 5 years. TapGraded gives this system a C.

Score breakdown

Health-based violations (5y)

2

Monitoring violations (5y)

25

Currently unaddressed

0

Overall score

74/100

Violation history (last 5 years)

2021
2022
2023
2024
2025
2026
Health-based Monitoring / reporting

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Lead (Lead and Copper Rule)

EPA's current lead action level is 15 ppb (dropping to 10 ppb in 2027 under the Lead and Copper Rule Improvements).

90th-percentile lead sample 0.5 ppb
0 ppb EPA action level: 15 ppb

PFAS (UCMR5 occurrence data)

PFNA (not detected) 0 ppt
0 ppt EPA MCL: 10 ppt
PFOS (not detected) 0 ppt
0 ppt EPA MCL: 4 ppt
HFPO-DA (not detected) 0 ppt
0 ppt EPA MCL: 10 ppt
PFHxS (not detected) 0 ppt
0 ppt EPA MCL: 10 ppt
PFOA (not detected) 0 ppt
0 ppt EPA MCL: 4 ppt

System details

System type
Community water system
Water source
Surface water purchased from another system
Ownership
Federal government
Service connections
2,302

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Frequently asked questions

Is Washington, DC tap water safe to drink?

JOINT BASE ANACOSTIA - BOLLING has 2 health-based violations in the last 5 years. TapGraded gives this system a C.

Does JOINT BASE ANACOSTIA - BOLLING have lead in its water?

The most recent 90th-percentile lead sample is 0.5 ppb, versus the EPA action level of 15 ppb.

Has PFAS been detected in JOINT BASE ANACOSTIA - BOLLING's water?

This system was tested under UCMR5 and no PFAS was detected above the reporting limit in the analytes we track.

Source: EPA SDWIS/ECHO · Data as of 2026Q2