Public water system · DC0000004
ActiveJoint Base Anacostia - Bolling
At a glance
Joint Base Anacostia - Bolling (PWSID DC0000004) is an active community water system in District of Columbia County, District of Columbia. It reports serving 19,312 people through 2,302 service connections. Its primary water source is purchased surface water, and EPA lists it as owned by the federal government. Of the 12 most recent violations in EPA's records, one is health-based, and the most recent began in March 2026.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
19,312
Service connections
2,302
Primary source
SWP
Purchased surface water
System type
CWS
Community water system
System record
How does Joint Base Anacostia - Bolling compare with other water systems in District of Columbia County?
By EPA's size categories, Joint Base Anacostia - Bolling is a large system (10,001 to 100,000 people). District of Columbia County has 5 active public water systems, and Joint Base Anacostia - Bolling is the 2nd-largest of them by population served. Its population served is well below the county average of 133,737 people per system, and accounts for 2.9% of the 668,685 people reported by systems filed under the county. Across District of Columbia, the 12 active systems average 58,113 people each. Nationally, the average active community water system reports serving 6,703 people, so Joint Base Anacostia - Bolling is about 188% above that figure.
What does “community water system” mean?
A community water system serves at least 15 connections used by year-round residents, or regularly serves at least 25 year-round residents. Homes, apartments and mobile-home parks are served by these. District of Columbia has 4 active community water systems, 33% of the state's 12 active systems. Purchased surface water means the system buys surface water from another public water system rather than drawing its own. 5 District of Columbia systems (42%) list purchased surface water as their primary source.
Who owns and regulates Joint Base Anacostia - Bolling?
EPA lists Joint Base Anacostia - Bolling as owned by the federal government. The DC state drinking water program is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act. 4 of the 5 active systems in District of Columbia County (80%) are also owned by the federal government.
Does Joint Base Anacostia - Bolling have drinking water violations?
Of the 12 most recent violations in EPA's records, one is health-based, and the most recent began in March 2026. The violations listed here began between July 2024 and March 2026. By type: 5 monitoring and reporting, 3 public notice, recordkeeping or other, 3 monitoring and 1 required treatment not met. The contaminant or rule involved most often is Surface Water Treatment Rule (4 of them). EPA lists 7 as archived and 5 as resolved. Archived means the violation was not marked resolved but is more than five years past the end of the noncompliance period, so it no longer counts toward current compliance status. Resolved means at least one resolving action is on record: the system returned to compliance, the rule no longer applies, or no further action was needed.
| Began | Violation | Contaminant or rule | Health-based | Status |
|---|---|---|---|---|
| 2026-03-17 | Public notice, recordkeeping or otherPublic Notification Violation without NPDWR Violation · code 76 | Public Noticecode 7500 | No | Resolved |
| 2026-02-01 | Monitoring and reportingMonitoring of Treatment (SWTR-Filter) · code 36 | Surface Water Treatment Rulecode 0200 | No | Archived |
| 2026-02-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Archived |
| 2026-01-01 | Monitoring and reportingMonitoring of Treatment (SWTR-Filter) · code 36 | Surface Water Treatment Rulecode 0200 | No | Archived |
| 2026-01-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Archived |
| 2025-12-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Archived |
| 2025-12-01 | Monitoring and reportingMonitoring of Treatment (SWTR-Filter) · code 36 | Surface Water Treatment Rulecode 0200 | No | Archived |
| 2025-09-01 | Required treatment not metTreatment Technique (SWTR and GWR) · code 41 | Surface Water Treatment Rulecode 0200 | Yes | Resolved |
| 2025-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitratecode 1040 | No | Archived |
| 2024-09-23 | Public notice, recordkeeping or otherPublic Notification Violation without NPDWR Violation · code 76 | Public Noticecode 7500 | No | Resolved |
| 2024-08-19 | Public notice, recordkeeping or otherPublic Notification Violation without NPDWR Violation · code 76 | Public Noticecode 7500 | No | Resolved |
| 2024-07-31 | Monitoring and reportingLead Consumer Notice · code 66 | Lead and Copper Rulecode 5000 | No | Resolved |
The 12 most recent violations in EPA's records, newest first.Labels and codes come from EPA's SDWIS reference tables. A monitoring or reporting violation means a required test or report was missed or late; it does not by itself mean a contaminant was found. "Health-based" marks violations of a legal limit or required treatment.
Joint Base Anacostia - Bolling: frequently asked questions
Who runs Joint Base Anacostia - Bolling?
Joint Base Anacostia - Bolling (PWSID DC0000004) is a community water system owned by the federal government. It is regulated by the DC state drinking water program.
How many people does Joint Base Anacostia - Bolling serve?
Joint Base Anacostia - Bolling reports serving 19,312 people through 2,302 service connections in District of Columbia County, District of Columbia.
Where does Joint Base Anacostia - Bolling get its water?
EPA SDWIS lists this system's primary water source as purchased surface water. Purchased surface water means the system buys surface water from another public water system rather than drawing its own.
Does Joint Base Anacostia - Bolling have any drinking water violations?
Of the 12 most recent violations in EPA's records, one is health-based, and the most recent began in March 2026. A monitoring or reporting violation means a required test or report was missed or late; it does not by itself mean a contaminant was found.
Is Joint Base Anacostia - Bolling's water safe to drink?
AquaCensus shows EPA compliance records, not current water test results, so it cannot say whether the water is safe at a given moment. Of the 12 most recent violations in EPA's records, one is health-based, and the most recent began in March 2026. For current results, consult the system's annual water quality report, EPA ECHO, or the DC state drinking water program.
Where can I find Joint Base Anacostia - Bolling's water quality report?
As a community water system, Joint Base Anacostia - Bolling must deliver an annual water quality report, called a Consumer Confidence Report, to its customers by July 1 each year, covering the previous calendar year. The system can provide a copy on request.
Other water systems in District of Columbia County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| D.C. Water and Sewer Authority | District of Columbia | 632,323 | Community | Purchased surface water |
| Naval Station Washington - Wny | District of Columbia | 16,800 | Community | Purchased surface water |
| Naval Observatory | District of Columbia | 250 | Non-transient non-community | Purchased surface water |
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About this data
Source: U.S. EPA Safe Drinking Water Information System (SDWIS) and SDWA violation records, via EPA ECHO, as published October 1, 2026 — AquaCensus refreshes it quarterly. See the methodology for how records are matched, cleaned and scored.
Cite as: AquaCensus, “Joint Base Anacostia - Bolling, PWSID DC0000004, District of Columbia”, https://aquacensus.com/water-systems/district-of-columbia/joint-base-anacostia-bolling-dc0000004 (data as of October 1, 2026).