No open health-based violations on EPA record in the last 10 years; latest legal-limit breach in the period starting July 2025.
Serves about 16,800 people (90 connections) with surface water bought from DC Water.
From EPA's record for DC0000003. PurityMap is independent of Naval Station Washington.
Are you this utility? Correct this listing →
4 health-based violations in the last 10 years, from EPA's SDWIS compliance database.
| Period | Contaminant | Measured | Legal limit | EPA status |
|---|---|---|---|---|
| Jul–Sep 2025 | Total trihalomethanes (TTHM) | 0.082 mg/L | 0.080 mg/L | Resolved |
| Apr–Jun 2025 | Total trihalomethanes (TTHM) | 0.085 mg/L | 0.080 mg/L | Resolved |
| From January 2023 | E. coli | – | – | Resolved |
| From November 2016 | Long Term 2 Enhanced Surface Water Treatment Rule | – | – | Resolved |
EPA required this system to test for 30 unregulated and emerging contaminants, from January 2024 to October 2024.
| Contaminant | Result | Limit | Status | Sampled | Source |
|---|---|---|---|---|---|
| Lithium | 12 µg/L | 10 µg/L EPA health reference level (screening, not a legal limit)Screening level, not a legal limit | Above the referenced health-based guidance value | 2024-01-29 to 2024-10-09 | UCMR5 Analytical Results: NAVAL STATION WASHINGTON - WNY (DC0000003) |
| Perfluorohexanoic acid (PFHxA) | 3.8 ng/L | 400,000 ng/L Michigan EGLE state MCL (strictest US state) | Within a historical reference; current applicability unverified | 2024-01-29 to 2024-10-09 | UCMR5 Analytical Results: NAVAL STATION WASHINGTON - WNY (DC0000003) |
| Perfluoropentanoic acid (PFPeA) | 4.3 ng/L | No federal or state limit; shown for transparency | Detected, no limit | 2024-01-29 to 2024-10-09 | UCMR5 Analytical Results: NAVAL STATION WASHINGTON - WNY (DC0000003) |
| 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid (11Cl-PF3OUdS) | < 5 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-01-29 to 2024-10-09 | UCMR5 Analytical Results: NAVAL STATION WASHINGTON - WNY (DC0000003) |
| 1H, 1H, 2H, 2H-perfluorodecane sulfonic acid (8:2 FTS) | < 5 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-01-29 to 2024-10-09 | UCMR5 Analytical Results: NAVAL STATION WASHINGTON - WNY (DC0000003) |
| 1H, 1H, 2H, 2H-perfluorohexane sulfonic acid (4:2 FTS) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-01-29 to 2024-10-09 | UCMR5 Analytical Results: NAVAL STATION WASHINGTON - WNY (DC0000003) |
| 1H, 1H, 2H, 2H-perfluorooctane sulfonic acid (6:2 FTS) | < 5 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-01-29 to 2024-10-09 | UCMR5 Analytical Results: NAVAL STATION WASHINGTON - WNY (DC0000003) |
| 4,8-Dioxa-3H-perfluorononanoic acid (ADONA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-01-29 to 2024-10-09 | UCMR5 Analytical Results: NAVAL STATION WASHINGTON - WNY (DC0000003) |
| 9-Chlorohexadecafluoro-3-oxanone-1-sulfonic acid (9Cl-PF3ONS) | < 2 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-01-29 to 2024-10-09 | UCMR5 Analytical Results: NAVAL STATION WASHINGTON - WNY (DC0000003) |
| Hexafluoropropylene oxide dimer acid (HFPO-DA) (GenX chemicals) | < 5 ng/L | 10 ng/L federal MCL (2024) | Not detected above the reporting limit | 2024-01-29 to 2024-10-09 | UCMR5 Analytical Results: NAVAL STATION WASHINGTON - WNY (DC0000003) |
| N-ethyl perfluorooctanesulfonamidoacetic acid (NEtFOSAA) | < 5 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-01-29 to 2024-10-09 | UCMR5 Analytical Results: NAVAL STATION WASHINGTON - WNY (DC0000003) |
| N-methyl perfluorooctanesulfonamidoacetic acid (NMeFOSAA) | < 6 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-01-29 to 2024-10-09 | UCMR5 Analytical Results: NAVAL STATION WASHINGTON - WNY (DC0000003) |
| Nonafluoro-3,6-dioxaheptanoic acid (NFDHA) | < 20 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-01-29 to 2024-10-09 | UCMR5 Analytical Results: NAVAL STATION WASHINGTON - WNY (DC0000003) |
| Perfluoro (2-ethoxyethane) sulfonic acid (PFEESA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-01-29 to 2024-10-09 | UCMR5 Analytical Results: NAVAL STATION WASHINGTON - WNY (DC0000003) |
| Perfluoro-3-methoxypropanoic acid (PFMPA) | < 4 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-01-29 to 2024-10-09 | UCMR5 Analytical Results: NAVAL STATION WASHINGTON - WNY (DC0000003) |
| Perfluoro-4-methoxybutanoic acid (PFMBA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-01-29 to 2024-10-09 | UCMR5 Analytical Results: NAVAL STATION WASHINGTON - WNY (DC0000003) |
| Perfluorobutanesulfonic acid (PFBS) | < 3 ng/L | 2,000 ng/L EPA health advisory (screening, not a legal limit)Screening level, not a legal limit | Not detected above the reporting limit | 2024-01-29 to 2024-10-09 | UCMR5 Analytical Results: NAVAL STATION WASHINGTON - WNY (DC0000003) |
| Perfluorobutanoic acid (PFBA) | < 5 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-01-29 to 2024-10-09 | UCMR5 Analytical Results: NAVAL STATION WASHINGTON - WNY (DC0000003) |
| Perfluorodecanoic acid (PFDA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-01-29 to 2024-10-09 | UCMR5 Analytical Results: NAVAL STATION WASHINGTON - WNY (DC0000003) |
| Perfluorododecanoic acid (PFDoA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-01-29 to 2024-10-09 | UCMR5 Analytical Results: NAVAL STATION WASHINGTON - WNY (DC0000003) |
| Perfluoroheptanesulfonic acid (PFHpS) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-01-29 to 2024-10-09 | UCMR5 Analytical Results: NAVAL STATION WASHINGTON - WNY (DC0000003) |
| Perfluoroheptanoic acid (PFHpA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-01-29 to 2024-10-09 | UCMR5 Analytical Results: NAVAL STATION WASHINGTON - WNY (DC0000003) |
| Perfluorohexanesulfonic acid (PFHxS) | < 3 ng/L | 10 ng/L federal MCL (2024) | Not detected above the reporting limit | 2024-01-29 to 2024-10-09 | UCMR5 Analytical Results: NAVAL STATION WASHINGTON - WNY (DC0000003) |
| Perfluorononanoic acid (PFNA) | < 4 ng/L | 10 ng/L federal MCL (2024) | Not detected above the reporting limit | 2024-01-29 to 2024-10-09 | UCMR5 Analytical Results: NAVAL STATION WASHINGTON - WNY (DC0000003) |
| Perfluorooctanesulfonic acid (PFOS) | < 4 ng/L | 4.0 ng/L federal MCL (2024) | Not detected above the reporting limit | 2024-01-29 to 2024-10-09 | UCMR5 Analytical Results: NAVAL STATION WASHINGTON - WNY (DC0000003) |
| Perfluorooctanoic acid (PFOA) | < 4 ng/L | 4.0 ng/L federal MCL (2024) | Not detected above the reporting limit | 2024-01-29 to 2024-10-09 | UCMR5 Analytical Results: NAVAL STATION WASHINGTON - WNY (DC0000003) |
| Perfluoropentanesulfonic acid (PFPeS) | < 4 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-01-29 to 2024-10-09 | UCMR5 Analytical Results: NAVAL STATION WASHINGTON - WNY (DC0000003) |
| Perfluorotetradecanoic acid (PFTA) | < 8 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-01-29 to 2024-10-09 | UCMR5 Analytical Results: NAVAL STATION WASHINGTON - WNY (DC0000003) |
| Perfluorotridecanoic acid (PFTrDA) | < 7 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-01-29 to 2024-10-09 | UCMR5 Analytical Results: NAVAL STATION WASHINGTON - WNY (DC0000003) |
| Perfluoroundecanoic acid (PFUnA) | < 2 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-01-29 to 2024-10-09 | UCMR5 Analytical Results: NAVAL STATION WASHINGTON - WNY (DC0000003) |
Screening tells you if something is worth a closer look; a lab result is the number you can act on.
As an Amazon Associate, PurityMap earns from qualifying purchases. Affiliate disclosure
Screening: quick check, not lab-grade
Safe Home (EnviroTestKits)
Lead, read as one of three ranges: 0–4, 5–15 or 15+ ppb
Turnaround: 5 minutes
What it can't tell you: It shows a lead range, not an exact level, and tests nothing else unless you pay extra for the optional lab test.
Lab-certified results
ETR Laboratories
50+ substances, including lead, copper, arsenic, nitrate, hardness and coliform bacteria
Environmental Testing and Research Laboratories (ETR Labs), Leominster, MA · ISO/IEC 17025:2017, ANAB certificate AT-2638 · 2–4 business days after the lab receives it
What it can't tell you: It does not test PFAS, and not every result on the panel falls under the lab's accredited scope.
Get PurityMap updates about this water system.
Follow this water →Naval Station Washington's phone number on EPA record is 202-433-4191. Its mailing address is 1013 O Street SE, Bldg 166, WASHINGTON NAVY YARD, DC 20374.
According to EPA's record, Naval Station Washington uses surface water bought from DC Water.
EPA's record shows 4 health-based violations for Naval Station Washington in the 10 years to July 9, 2026. No open health-based violations on EPA record in the last 10 years. The latest legal-limit breach on record was in the period starting July 2025. EPA also lists 11 missed or late tests or reports in 10 years. The record comes from EPA's SDWIS compliance database.
The 90th-percentile lead result in Naval Station Washington's latest lead and copper round, which ended in December 2023, was 0.81 µg/L, below the federal action level of 15 µg/L.
PurityMap has no verified website for Naval Station Washington. Its phone number on EPA record is 202-433-4191. Its mailing address on EPA record is 1013 O Street SE, Bldg 166, WASHINGTON NAVY YARD, DC 20374. Your water bill lists the ways to contact your supplier and pay. PurityMap does not take payments.