Public water system · VA3550620
ActiveNaval Support Activity-Nw
At a glance
Naval Support Activity-Nw (PWSID VA3550620) is an active community water system in Virginia. It reports serving 1,400 people through 194 service connections. Its primary water source is groundwater, and EPA lists it as owned by the federal government. EPA's records list 3 violations for this system; none is health-based, and the most recent began in February 2026.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
1,400
Service connections
194
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Naval Support Activity-Nw compare with other water systems in Virginia?
By EPA's size categories, Naval Support Activity-Nw is a small system (501 to 3,300 people). Across Virginia, the 2,420 active systems average 3,122 people each. Nationally, the average active community water system reports serving 6,703 people, so Naval Support Activity-Nw is well below 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. Virginia has 844 active community water systems, 35% of the state's 2,420 active systems. Groundwater means the system draws its water from wells or springs fed by underground aquifers. 2,089 Virginia systems (86%) list groundwater as their primary source.
Who owns and regulates Naval Support Activity-Nw?
EPA lists Naval Support Activity-Nw as owned by the federal government. The VA state drinking water program is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act.
Does Naval Support Activity-Nw have drinking water violations?
EPA's records list 3 violations for this system; none is health-based, and the most recent began in February 2026. The violations listed here began between January 1996 and February 2026. By type: 1 reporting, 1 public notice, recordkeeping or other and 1 monitoring and reporting. The contaminants or rules involved are Revised Total Coliform Rule, Consumer Confidence Rule and Lead and Copper Rule. EPA lists 3 as resolved. 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 |
|---|---|---|---|---|
| 2026-02-01 | ReportingReport Sample Result/Fail Monitor (RTCR) · code 4B | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 1999-10-19 | Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71 | Consumer Confidence Rulecode 7000 | No | Resolved |
| 1996-01-01 | Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52 | Lead and Copper Rulecode 5000 | No | Resolved |
All 3 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.
Naval Support Activity-Nw: frequently asked questions
Who runs Naval Support Activity-Nw?
Naval Support Activity-Nw (PWSID VA3550620) is a community water system owned by the federal government. It is regulated by the VA state drinking water program.
How many people does Naval Support Activity-Nw serve?
Naval Support Activity-Nw reports serving 1,400 people through 194 service connections in Virginia.
Where does Naval Support Activity-Nw get its water?
EPA SDWIS lists this system's primary water source as groundwater. Groundwater means the system draws its water from wells or springs fed by underground aquifers.
Does Naval Support Activity-Nw have any drinking water violations?
EPA's records list 3 violations for this system; none is health-based, and the most recent began in February 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 Naval Support Activity-Nw'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. EPA's records list 3 violations for this system; none is health-based, and the most recent began in February 2026. For current results, consult the system's annual water quality report, EPA ECHO, or the VA state drinking water program.
Where can I find Naval Support Activity-Nw's water quality report?
As a community water system, Naval Support Activity-Nw 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 Virginia
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Fairfax County Water Authority | Fairfax | 1,121,613 | Community | Surface water |
| Virginia Beach, City of | — | 437,994 | Community | Purchased surface water |
| Newport News, City of | — | 407,300 | Community | Surface water |
| Chesterfield Co Central Water System | Chesterfield | 389,897 | Community | Surface water |
| Loudoun Water - Central System | Loudoun | 334,808 | Community | Surface water |
| Henrico County Water System | Henrico | 330,000 | Community | 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, “Naval Support Activity-Nw, PWSID VA3550620, Virginia”, https://aquacensus.com/water-systems/virginia/naval-support-activity-nw-va3550620 (data as of October 1, 2026).