Naval Station Washington - Wny
EPA ID: DC0000003 · 15,690 people served · 274 ZIP codes
Throughout five consecutive years of federal water monitoring, Naval Station Washington - Wny recorded zero violations — solid performance for a utility serving 15,690 people.
Data: EPA SDWIS Last verified: 2026-04-02
Compliance Trajectory
Worsening · Risk tier: High · 95% chance of violation in next 12 months
Violations went from 274 (2022) to 822 (2025). The pattern suggests growing compliance challenges.
Service Area Demographics
The Naval Station Washington - Wny serves a community with a median household income of $111,110 and an estimated 671,768 residents across its service area. Approximately 73% of housing stock was built before 1986, which increases the likelihood of lead service lines and older plumbing.
Environmental Justice Note: 35% of the population in this service area is classified as disadvantaged under EPA's EJScreen criteria. Communities with higher disadvantaged populations often face disproportionate environmental and health burdens, including aging water infrastructure and limited resources for remediation.
🌊 Where Does Your Water Come From?
Naval Station Washington - Wny's water is drawn from rivers, lakes, or reservoirs. Surface water sources are more exposed to agricultural runoff, stormwater, and upstream discharges, but they typically receive more intensive treatment before reaching your tap.
About 1% of homes in District of Columbia, District of Columbia rely on private wells rather than public water systems. Private well owners are responsible for their own water testing and treatment.
Superfund Proximity Note: This service area ranks in the 80th percentile nationally for proximity to Superfund (NPL) sites.
Infrastructure Risk
PFAS Detected in Service Area
PFAS ("forever chemicals") have been detected in water serving this system's area. 530 detections recorded.
Estimated Remediation Costs
Average estimated costs across ZIP codes served by this system
Based on national averages for common remediation projects. Actual costs vary by property. Only issues flagged by EPA, FEMA, or state data for each ZIP code are included.
System Overview
Naval Station Washington - Wny (EPA ID: DC0000003) is a community water system in District of Columbia that serves approximately 15,690 people from surface water sources.
This system provides water to 274 ZIP codes across 1 community.
Violation History
Lead & Copper
No Lead and Copper Rule sampling data available for this water system.
Need help with your water quality?
Typical cost: Water test: typically $20–$50 (DIY kit) · Professional inspection: $150–$400
Find the Right Water FilterFree tip: Let cold water run for 2 minutes before drinking — this helps flush lead from your pipes.
ZIP Codes Served
This system serves 274 ZIP codes:
20001 · 20002 · 20003 · 20004 · 20005 20006 · 20007 · 20008 · 20009 · 20010 20011 · 20012 · 20013 · 20015 · 20016 20017 · 20018 · 20019 · 20020 · 20022 20023 · 20024 · 20026 · 20027 · 20029 20030 · 20032 · 20033 · 20035 · 20036 20037 · 20038 · 20039 · 20040 · 20041 20042 · 20043 · 20044 · 20045 · 20046 20047 · 20049 · 20050 · 20051 · 20052 20053 · 20055 · 20056 · 20057 · 20058 20059 · 20060 · 20061 · 20062 · 20063 20064 · 20065 · 20066 · 20067 · 20068 20069 · 20070 · 20071 · 20073 · 20074 20075 · 20076 · 20077 · 20078 · 20080 20081 · 20082 · 20088 · 20090 · 20091 20097 · 20098 · 20201 · 20202 · 20203 20204 · 20206 · 20207 · 20208 · 20210 20211 · 20212 · 20213 · 20214 · 20215 20216 · 20217 · 20218 · 20219 · 20220 20221 · 20222 · 20223 · 20224 · 20226 20227 · 20228 · 20229 · 20230 · 20232 20233 · 20235 · 20237 · 20238 · 20239 20240 · 20241 · 20242 · 20244 · 20245 20250 · 20251 · 20252 · 20254 · 20260 20261 · 20262 · 20265 · 20266 · 20268 20270 · 20277 · 20289 · 20299 · 20301 20303 · 20306 · 20307 · 20310 · 20314 20317 · 20318 · 20319 · 20330 · 20340 20350 · 20355 · 20370 · 20372 · 20375 20380 · 20389 · 20390 · 20392 · 20393 20394 · 20395 · 20401 · 20402 · 20403 20404 · 20405 · 20406 · 20407 · 20408 20409 · 20410 · 20411 · 20412 · 20413 20414 · 20415 · 20416 · 20417 · 20418 20419 · 20420 · 20421 · 20422 · 20423 20424 · 20425 · 20426 · 20427 · 20428 20429 · 20431 · 20433 · 20434 · 20435 20436 · 20437 · 20439 · 20440 · 20441 20442 · 20444 · 20447 · 20451 · 20453 20456 · 20460 · 20463 · 20468 · 20469 20470 · 20472 · 20500 · 20501 · 20502 20503 · 20504 · 20505 · 20506 · 20507 20508 · 20509 · 20510 · 20511 · 20515 20520 · 20521 · 20522 · 20523 · 20524 20525 · 20526 · 20527 · 20528 · 20529 20530 · 20531 · 20532 · 20533 · 20534 20535 · 20536 · 20537 · 20538 · 20539 20540 · 20541 · 20542 · 20543 · 20544 20546 · 20547 · 20548 · 20549 · 20551 20552 · 20553 · 20554 · 20555 · 20557 20558 · 20559 · 20560 · 20565 · 20566 20570 · 20571 · 20572 · 20573 · 20575 20576 · 20577 · 20578 · 20579 · 20580 20581 · 20585 · 20586 · 20590 · 20591 20593 · 20594 · 20597 · 20599
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View the full compliance record for Naval Station Washington - Wny (DC0000003) on EPA.gov.
Frequently Asked Questions
Is Naval Station Washington - Wny water safe to drink?
Based on EPA records, Naval Station Washington - Wny has no recorded violations in the past 5 years — a positive indicator of water quality management.
How many people does Naval Station Washington - Wny serve?
Naval Station Washington - Wny serves approximately 15,690 people across 274 ZIP codes in District of Columbia.
Where does Naval Station Washington - Wny get its water?
The primary water source is surface water.
Federal UCMR5 PFAS Monitoring: Detected
This water system was tested under the federal EPA Unregulated Contaminant Monitoring Rule (UCMR5). PFAS compounds were detected below the current state-enforceable MCL.
Current MCL reflects the lowest state-enforceable limit (NYS 10 ppt for PFOA/PFOS, effective August 2020). The federal final MCL of 4 ppt for PFOA/PFOS (EPA April 2024 rule) is not enforceable until April 2029. Detections above 4 ppt but below 10 ppt are below current MCL but above the future federal limit.
Source: U.S. EPA UCMR5 (Unregulated Contaminant Monitoring Rule, 5th cycle) — per-system federal sampling, 2023–2025. EPA UCMR5 monitoring program →
Lead Service Line Inventory
Service line breakdown reported under the federal Lead and Copper Rule Improvements (LCRI) inventory requirement:
Federal LCRI rule (effective October 2024) requires every public water system to inventory its service lines and complete lead-line replacement within 10 years.
Source: EPA SDWIS Federal Service Line Inventory (Phase 2) · Submitted 2026
ZipCheckup is not affiliated with the utility or state agency. Inventory figures render verbatim from the public LCRI submission cited above; ZipCheckup does not perform inspections or replacements.