Metro Report Grade C

Washington, D.C. Metro Area Home Safety Report

549 ZIP codes · 4,954,578 residents · 95 water systems

Data source: EPA SDWIS, U.S. Census Bureau, FEMA NFIP Last verified: 2026-06-03

66/100

Avg Safety Score

9,213

EPA Violations

ZIPs Exceeding Lead Limit

54%

Pre-1986 Housing

Grade Distribution

A: 0 B: 98 C: 335 D: 97 F: 0

The Washington, D.C. metropolitan area spans District of Columbia, Virginia, Maryland and includes 549 ZIP codes served by 95 community water systems. We analyzed EPA compliance records, lead testing data, housing age, flood insurance claims, and radon risk for every ZIP in the metro to produce this report.

Metro-Wide Safety Score: C (66/100)

The Home Safety Score combines water quality, lead risk, radon exposure, and flood risk into a single 0-100 rating.

Grade Distribution

Grade	ZIP Codes	Percentage
A	0	0%
B	98	18%
C	335	63%
D	97	18%
F	0	0%

18% of ZIP codes in the DC Metro metro earned an A or B — above-average safety conditions for homebuyers.

Safest Neighborhoods (Top 10 ZIPs)

Rank	ZIP Code	City	Score	Grade
1	20105	Aldie	83	B
2	20106	Amissville	83	B
3	20132	Purcellville	83	B
4	20134	Purcellville	83	B
5	20136	Bristow	83	B
6	20141	Round Hill	83	B
7	20142	Round Hill	83	B
8	20146	Ashburn	83	B
9	20147	Ashburn	83	B
10	20148	Ashburn	83	B

The safest ZIP code is 20105 in Aldie with a score of 83/100. These areas typically have newer infrastructure, fewer EPA violations, and lower environmental risk factors.

Highest-Risk Neighborhoods (Bottom 10 ZIPs)

Rank	ZIP Code	City	Score	Grade	Key Risk
1	22160	Springfield	40	D	High radon zone
2	22159	Springfield	40	D	High radon zone
3	22158	Springfield	40	D	High radon zone
4	22156	Springfield	40	D	High radon zone
5	22119	Merrifield	40	D	High radon zone
6	22118	Merrifield	40	D	High radon zone
7	22116	Merrifield	40	D	High radon zone
8	22103	West Mclean	40	D	High radon zone
9	22096	Reston	40	D	High radon zone
10	22082	Merrifield	40	D	High radon zone

If you are considering a home in these ZIP codes, we recommend requesting a water quality test, checking for lead service lines, and reviewing the full ZIP report before making an offer.

Most Common Contaminant Violations

Contaminant	Category	Violations	ZIPs Affected
Consumer Confidence Report Rule	Reporting	2499	284
E. coli	Microbiological	1918	274
Surface Water Treatment Rule	Treatment Technique	1166	310
Lead and Copper Rule	Treatment Technique	1097	275
Haloacetic Acids (HAA5)	Disinfection Byproducts	826	276
Stage 1 DBP Rule	Treatment Technique	565	287
Lead	Inorganic	554	280
Copper	Inorganic	274	274
Fecal Coliform	Microbiological	274	274
Stage 2 DBP Rule	Treatment Technique	30	12

3 of the top contaminants are health-based violations, meaning measured levels exceeded EPA Maximum Contaminant Levels (MCLs).

Lead Risk Overview

Average lead level (90th percentile): 0.0011 mg/L (below EPA action level of 0.015 mg/L)
0 ZIP codes exceed the EPA lead action level
16% of housing built before 1950 (highest lead paint risk)
23% of housing built before 1970 (lead solder in plumbing)
54% of housing built before 1986 (potential lead pipes)

With over half of homes built before 1986, lead plumbing components are common. Running cold water for 30 seconds before drinking can reduce lead exposure from older pipes.

Flood Risk

3,806 FEMA flood insurance claims filed
189 ZIP codes with flood claims (34% of metro)
$11,979 average payout per claim
$45,591,013 total payouts

Water System Comparison

The Washington, D.C. metro is served by 95 community water systems, drawing from: Groundwater, Surface water.

Major water systems include:

ALDIE WATER COMPANY
ALEXANDRIA, CITY OF
AQUALAND CAMPGROUND
Arlington County
Arlington County - Willston Area
B&l Mobile Home Park
Baileys Mobile Home Park
Beacon Hill-lcsa
Bealeton Regional
Bryans Road
...and 85 more systems

Water quality can vary significantly between systems. Always check the ZIP-level report for your specific address.

Radon Risk

Zone	Risk Level	ZIP Codes	Percentage
Zone 1	High	84	15%
Zone 2	Moderate	145	26%
Zone 3	Low	21	4%

Is Washington, D.C. Safe for Homebuyers?

Positive indicators: no ZIP codes exceed EPA lead action level.

Areas of concern: 1660 health-based EPA violations on record.

Safety conditions vary widely within the metro. A ZIP code with an A grade may be just a few miles from one rated F. Always check your specific ZIP code before making a purchase decision.

Frequently Asked Questions

What is the water quality safety grade for the Washington, D.C. metro area?

The Washington, D.C. metro area has an average Home Safety Score of 66/100 (grade C). This score is based on EPA violation records, lead testing data, radon risk, and flood exposure across 549 ZIP codes.

How many EPA water violations are in the Washington, D.C. area?

There are 9,213 total EPA violations across the Washington, D.C. metro, with 1660 being health-based violations. 340 out of 549 ZIP codes (62%) have at least one recorded violation.

Is the tap water safe to drink in Washington, D.C.?

Water safety varies by ZIP code and water system. No ZIP codes currently exceed EPA lead action levels. The average lead level is 0.0011 mg/L (EPA action level is 0.015 mg/L). Check your specific ZIP code for a detailed report.

What percentage of homes in Washington, D.C. have lead risk?

Approximately 54% of housing in the Washington, D.C. metro was built before 1986, when lead pipes were still legal. 16% was built before 1950, the highest-risk category for lead paint. Homes in older neighborhoods should be tested for lead in both water and paint.

What is the flood risk in the Washington, D.C. metro?

The Washington, D.C. metro has recorded 3,806 FEMA flood insurance claims across 189 ZIP codes, with an average payout of $11,979 per claim. Check the FEMA flood map for your specific property.

Cities in the Washington, D.C. Metro

Washington, DC — 274 ZIP codes
Arlington, VA — 30 ZIP codes
Fairfax, VA — 9 ZIP codes
Springfield, VA — 9 ZIP codes
Manassas, VA — 6 ZIP codes
Herndon, VA — 6 ZIP codes
Reston, VA — 6 ZIP codes
Falls Church, VA — 6 ZIP codes
Mc Lean, VA — 6 ZIP codes
Dulles, VA — 5 ZIP codes
Ashburn, VA — 5 ZIP codes
Sterling, VA — 5 ZIP codes
Washington Navy Yard, DC — 5 ZIP codes
Merrifield, VA — 5 ZIP codes
Vienna, VA — 5 ZIP codes
Woodbridge, VA — 5 ZIP codes
Leesburg, VA — 4 ZIP codes
Waldorf, MD — 4 ZIP codes
Centreville, VA — 3 ZIP codes
Chantilly, VA — 3 ZIP codes
Warrenton, VA — 3 ZIP codes
Marshall, VA — 2 ZIP codes
Middleburg, VA — 2 ZIP codes
Purcellville, VA — 2 ZIP codes
Round Hill, VA — 2 ZIP codes
Gainesville, VA — 2 ZIP codes
Hamilton, VA — 2 ZIP codes
Haymarket, VA — 2 ZIP codes
Nokesville, VA — 2 ZIP codes
Upperville, VA — 2 ZIP codes
Burke, VA — 2 ZIP codes
Dumfries, VA — 2 ZIP codes
Lorton, VA — 2 ZIP codes
Quantico, VA — 2 ZIP codes
Aldie, VA — 1 ZIP codes
Amissville, VA — 1 ZIP codes
Catlett, VA — 1 ZIP codes
Clifton, VA — 1 ZIP codes
Orlean, VA — 1 ZIP codes
Paeonian Springs, VA — 1 ZIP codes
Paris, VA — 1 ZIP codes
Philomont, VA — 1 ZIP codes
Bluemont, VA — 1 ZIP codes
Bristow, VA — 1 ZIP codes
Broad Run, VA — 1 ZIP codes
Calverton, VA — 1 ZIP codes
Casanova, VA — 1 ZIP codes
Rectortown, VA — 1 ZIP codes
Catharpin, VA — 1 ZIP codes
Delaplane, VA — 1 ZIP codes

...and 84 more cities. Browse all via city directory.

All 549 ZIP Codes

View all ZIP codes in the DC Metro metro

20001 Washington [C] — 33 violations
20002 Washington [C] — 33 violations
20003 Washington [B] — 33 violations
20004 Washington [B] — 33 violations
20005 Washington [B] — 33 violations
20006 Washington [B] — 33 violations
20007 Washington [C] — 33 violations
20008 Washington [C] — 33 violations
20009 Washington [C] — 33 violations
20010 Washington [C] — 33 violations
20011 Washington [C] — 33 violations
20012 Washington [C] — 33 violations
20013 Washington [C] — 33 violations
20015 Washington [C] — 33 violations
20016 Washington [C] — 33 violations
20017 Washington [C] — 33 violations
20018 Washington [C] — 33 violations
20019 Washington [C] — 33 violations
20020 Washington [C] — 33 violations
20022 Washington [C] — 33 violations
20023 Washington [C] — 33 violations
20024 Washington [B] — 33 violations
20026 Washington [C] — 33 violations
20027 Washington [B] — 33 violations
20029 Washington [C] — 33 violations
20030 Washington [C] — 33 violations
20032 Washington [B] — 33 violations
20033 Washington [C] — 33 violations
20035 Washington [C] — 33 violations
20036 Washington [B] — 33 violations
20037 Washington [B] — 33 violations
20038 Washington [C] — 33 violations
20039 Washington [C] — 33 violations
20040 Washington [C] — 33 violations
20041 Washington [C] — 33 violations
20042 Washington [C] — 33 violations
20043 Washington [C] — 33 violations
20044 Washington [C] — 33 violations
20045 Washington [C] — 33 violations
20046 Washington [C] — 33 violations
20047 Washington [C] — 33 violations
20049 Washington [C] — 33 violations
20050 Washington [C] — 33 violations
20051 Washington [C] — 33 violations
20052 Washington [C] — 33 violations
20053 Washington [C] — 33 violations
20055 Washington [C] — 33 violations
20056 Washington [C] — 33 violations
20057 Washington [C] — 33 violations
20058 Washington [C] — 33 violations
20059 Washington [C] — 33 violations
20060 Washington [C] — 33 violations
20061 Washington [C] — 33 violations
20062 Washington [C] — 33 violations
20063 Washington [C] — 33 violations
20064 Washington [C] — 33 violations
20065 Washington [C] — 33 violations
20066 Washington [C] — 33 violations
20067 Washington [C] — 33 violations
20068 Washington [C] — 33 violations
20069 Washington [C] — 33 violations
20070 Washington [C] — 33 violations
20071 Washington [C] — 33 violations
20073 Washington [C] — 33 violations
20074 Washington [C] — 33 violations
20075 Washington [C] — 33 violations
20076 Washington [C] — 33 violations
20077 Washington [C] — 33 violations
20078 Washington [C] — 33 violations
20080 Washington [C] — 33 violations
20081 Washington [C] — 33 violations
20082 Washington [C] — 33 violations
20088 Washington [C] — 33 violations
20090 Washington [C] — 33 violations
20091 Washington [C] — 33 violations
20097 Washington [C] — 33 violations
20098 Washington [C] — 33 violations
20101 Dulles [D]
20102 Dulles [D]
20103 Dulles [D]
20104 Dulles [D]
20105 Aldie [B] — 1 violation
20106 Amissville [B]
20108 Manassas [C] — 2 violations
20109 Manassas [B] — 2 violations
20110 Manassas [B] — 2 violations
20111 Manassas [B] — 2 violations
20112 Manassas [B] — 2 violations
20113 Manassas [C] — 2 violations
20115 Marshall [D]
20116 Marshall [D]
20117 Middleburg [B] — 2 violations
20118 Middleburg [B] — 2 violations
20119 Catlett [D]
20120 Centreville [C]
20121 Centreville [C]
20122 Centreville [D]
20124 Clifton [C]
20128 Orlean [D]
20129 Paeonian Springs [C]
20130 Paris [D]
20131 Philomont [C]
20132 Purcellville [B]
20134 Purcellville [B]
20135 Bluemont [C] — 5 violations
20136 Bristow [B]
20137 Broad Run [D]
20138 Calverton [D]
20139 Casanova [D]
20140 Rectortown [D]
20141 Round Hill [B]
20142 Round Hill [B]
20143 Catharpin [C]
20144 Delaplane [D]
20146 Ashburn [B] — 1 violation
20147 Ashburn [B] — 1 violation
20148 Ashburn [B] — 1 violation
20149 Ashburn [B] — 1 violation
20151 Chantilly [D]
20152 Chantilly [D]
20153 Chantilly [D]
20155 Gainesville [C]
20156 Gainesville [D]
20158 Hamilton [B] — 1 violation
20159 Hamilton [B] — 1 violation
20160 Lincoln [C]
20163 Sterling [D]
20164 Sterling [D]
20165 Sterling [D]
20166 Sterling [C]
20167 Sterling [D]
20168 Haymarket [D]
20169 Haymarket [C]
20170 Herndon [C]
20171 Herndon [C]
20172 Herndon [C]
20175 Leesburg [B]
20176 Leesburg [B]
20177 Leesburg [B]
20178 Leesburg [B]
20180 Lovettsville [B]
20181 Nokesville [C]
20182 Nokesville [D]
20184 Upperville [D]
20185 Upperville [D]
20186 Warrenton [B]
20187 Warrenton [B]
20188 Warrenton [B]
20189 Dulles [D]
20190 Reston [D]
20191 Reston [D]
20192 Herndon [C]
20193 Herndon [C]
20194 Reston [D]
20195 Reston [D]
20196 Reston [D]
20197 Waterford [D]
20198 The Plains [D]
20201 Washington [C] — 33 violations
20202 Washington [C] — 33 violations
20203 Washington [C] — 33 violations
20204 Washington [C] — 33 violations
20206 Washington [C] — 33 violations
20207 Washington [C] — 33 violations
20208 Washington [C] — 33 violations
20210 Washington [C] — 33 violations
20211 Washington [C] — 33 violations
20212 Washington [C] — 33 violations
20213 Washington [C] — 33 violations
20214 Washington [C] — 33 violations
20215 Washington [C] — 33 violations
20216 Washington [C] — 33 violations
20217 Washington [C] — 33 violations
20218 Washington [C] — 33 violations
20219 Washington [C] — 33 violations
20220 Washington [C] — 33 violations
20221 Washington [C] — 33 violations
20222 Washington [C] — 33 violations
20223 Washington [C] — 33 violations
20224 Washington [C] — 33 violations
20226 Washington [C] — 33 violations
20227 Washington [C] — 33 violations
20228 Washington [C] — 33 violations
20229 Washington [C] — 33 violations
20230 Washington [B] — 33 violations
20232 Washington [C] — 33 violations
20233 Washington [C] — 33 violations
20235 Washington [C] — 33 violations
20237 Washington [C] — 33 violations
20238 Washington [C] — 33 violations
20239 Washington [C] — 33 violations
20240 Washington [C] — 33 violations
20241 Washington [C] — 33 violations
20242 Washington [C] — 33 violations
20244 Washington [C] — 33 violations
20245 Washington [C] — 33 violations
20250 Washington [C] — 33 violations
20251 Washington [C] — 33 violations
20252 Washington [C] — 33 violations
20254 Washington [C] — 33 violations
20260 Washington [C] — 33 violations
20261 Washington [C] — 33 violations
20262 Washington [C] — 33 violations
20265 Washington [C] — 33 violations
20266 Washington [C] — 33 violations
20268 Washington [C] — 33 violations
20270 Washington [C] — 33 violations
20277 Washington [C] — 33 violations
20289 Washington [C] — 33 violations
20299 Washington [C] — 33 violations
20301 Washington [C] — 33 violations
20303 Washington [C] — 33 violations
20306 Washington [C] — 33 violations
20307 Washington [C] — 33 violations
20310 Washington [B] — 33 violations
20314 Washington [C] — 33 violations
20317 Washington [C] — 33 violations
20318 Washington [C] — 33 violations
20319 Washington [C] — 33 violations
20330 Washington [B] — 33 violations
20340 Washington [C] — 33 violations
20350 Washington [C] — 33 violations
20355 Washington [C] — 33 violations
20370 Washington [C] — 33 violations
20372 Washington [C] — 33 violations
20373 Naval Anacost Annex [D]
20374 Washington Navy Yard [D]
20375 Washington [C] — 33 violations
20376 Washington Navy Yard [D]
20380 Washington [C] — 33 violations
20388 Washington Navy Yard [D]
20389 Washington [C] — 33 violations
20390 Washington [C] — 33 violations
20391 Washington Navy Yard [D]
20392 Washington [C] — 33 violations
20393 Washington [C] — 33 violations
20394 Washington [C] — 33 violations
20395 Washington [C] — 33 violations
20398 Washington Navy Yard [D]
20401 Washington [C] — 33 violations
20402 Washington [C] — 33 violations
20403 Washington [C] — 33 violations
20404 Washington [C] — 33 violations
20405 Washington [B] — 33 violations
20406 Washington [C] — 33 violations
20407 Washington [C] — 33 violations
20408 Washington [C] — 33 violations
20409 Washington [C] — 33 violations
20410 Washington [C] — 33 violations
20411 Washington [C] — 33 violations
20412 Washington [C] — 33 violations
20413 Washington [C] — 33 violations
20414 Washington [C] — 33 violations
20415 Washington [C] — 33 violations
20416 Washington [C] — 33 violations
20417 Washington [C] — 33 violations
20418 Washington [C] — 33 violations
20419 Washington [C] — 33 violations
20420 Washington [C] — 33 violations
20421 Washington [C] — 33 violations
20422 Washington [C] — 33 violations
20423 Washington [C] — 33 violations
20424 Washington [C] — 33 violations
20425 Washington [C] — 33 violations
20426 Washington [C] — 33 violations
20427 Washington [C] — 33 violations
20428 Washington [C] — 33 violations
20429 Washington [C] — 33 violations
20431 Washington [C] — 33 violations
20433 Washington [C] — 33 violations
20434 Washington [C] — 33 violations
20435 Washington [C] — 33 violations
20436 Washington [C] — 33 violations
20437 Washington [C] — 33 violations
20439 Washington [C] — 33 violations
20440 Washington [C] — 33 violations
20441 Washington [C] — 33 violations
20442 Washington [C] — 33 violations
20444 Washington [C] — 33 violations
20447 Washington [C] — 33 violations
20451 Washington [C] — 33 violations
20453 Washington [C] — 33 violations
20456 Washington [C] — 33 violations
20460 Washington [C] — 33 violations
20463 Washington [C] — 33 violations
20468 Washington [C] — 33 violations
20469 Washington [C] — 33 violations
20470 Washington [B] — 33 violations
20472 Washington [C] — 33 violations
20500 Washington [C] — 33 violations
20501 Washington [C] — 33 violations
20502 Washington [C] — 33 violations
20503 Washington [C] — 33 violations
20504 Washington [C] — 33 violations
20505 Washington [C] — 33 violations
20506 Washington [C] — 33 violations
20507 Washington [C] — 33 violations
20508 Washington [C] — 33 violations
20509 Washington [C] — 33 violations
20510 Washington [C] — 33 violations
20511 Washington [C] — 33 violations
20515 Washington [B] — 33 violations
20520 Washington [B] — 33 violations
20521 Washington [C] — 33 violations
20522 Washington [C] — 33 violations
20523 Washington [C] — 33 violations
20524 Washington [C] — 33 violations
20525 Washington [C] — 33 violations
20526 Washington [C] — 33 violations
20527 Washington [C] — 33 violations
20528 Washington [C] — 33 violations
20529 Washington [C] — 33 violations
20530 Washington [B] — 33 violations
20531 Washington [C] — 33 violations
20532 Washington [C] — 33 violations
20533 Washington [C] — 33 violations
20534 Washington [C] — 33 violations
20535 Washington [C] — 33 violations
20536 Washington [C] — 33 violations
20537 Washington [C] — 33 violations
20538 Washington [C] — 33 violations
20539 Washington [C] — 33 violations
20540 Washington [C] — 33 violations
20541 Washington [C] — 33 violations
20542 Washington [C] — 33 violations
20543 Washington [C] — 33 violations
20544 Washington [C] — 33 violations
20546 Washington [C] — 33 violations
20547 Washington [C] — 33 violations
20548 Washington [C] — 33 violations
20549 Washington [C] — 33 violations
20551 Washington [C] — 33 violations
20552 Washington [C] — 33 violations
20553 Washington [C] — 33 violations
20554 Washington [C] — 33 violations
20555 Washington [C] — 33 violations
20557 Washington [C] — 33 violations
20558 Washington [C] — 33 violations
20559 Washington [C] — 33 violations
20560 Washington [C] — 33 violations
20565 Washington [C] — 33 violations
20566 Washington [C] — 33 violations
20570 Washington [C] — 33 violations
20571 Washington [C] — 33 violations
20572 Washington [C] — 33 violations
20573 Washington [C] — 33 violations
20575 Washington [C] — 33 violations
20576 Washington [C] — 33 violations
20577 Washington [C] — 33 violations
20578 Washington [C] — 33 violations
20579 Washington [C] — 33 violations
20580 Washington [C] — 33 violations
20581 Washington [C] — 33 violations
20585 Washington [C] — 33 violations
20586 Washington [C] — 33 violations
20588 Dhs [D]
20590 Washington [C] — 33 violations
20591 Washington [C] — 33 violations
20593 Washington [C] — 33 violations
20594 Washington [C] — 33 violations
20597 Washington [C] — 33 violations
20598 Dhs [D]
20599 Washington [C] — 33 violations
20601 Waldorf [B] — 3 violations
20602 Waldorf [B] — 3 violations
20603 Waldorf [B] — 3 violations
20604 Waldorf [B] — 3 violations
20606 Abell [C]
20607 Accokeek [B]
20608 Aquasco [D]
20609 Avenue [C]
20610 Barstow [D]
20611 Bel Alton [D]
20612 Benedict [D]
20613 Brandywine [B]
20615 Broomes Island [C]
20616 Bryans Road [C]
20617 Bryantown [D]
20618 Bushwood [C]
20619 California [D] — 5 violations
20620 Callaway [C]
20621 Chaptico [C]
20622 Charlotte Hall [B] — 5 violations
20623 Cheltenham [C]
20624 Clements [D]
20625 Cobb Island [C]
20626 Coltons Point [C]
20627 Compton [C]
20628 Dameron [C]
20629 Dowell [D]
20630 Drayden [C]
20632 Faulkner [D]
20634 Great Mills [C]
20635 Helen [D]
20636 Hollywood [B] — 2 violations
20637 Hughesville [C]
20639 Huntingtown [D] — 7 violations
20640 Indian Head [B] — 1 violation
20643 Ironsides [D]
20645 Issue [C]
20646 La Plata [B] — 2 violations
20650 Leonardtown [B] — 6 violations
20653 Lexington Park [B] — 3 violations
20656 Loveville [D]
20657 Lusby [D] — 5 violations
20658 Marbury [B] — 5 violations
20659 Mechanicsville [C]
20660 Morganza [D]
20661 Mount Victoria [D]
20662 Nanjemoy [C]
20664 Newburg [B] — 22 violations
20667 Park Hall [C]
20670 Patuxent River [B] — 3 violations
20674 Piney Point [D]
20675 Pomfret [D]
20676 Port Republic [B] — 1 violation
20677 Port Tobacco [D]
20678 Prince Frederick [C] — 1 violation
20680 Ridge [C]
20682 Rock Point [D]
20684 Saint Inigoes [C]
20685 Saint Leonard [D]
20686 Saint Marys City [C]
20687 Scotland [D]
20688 Solomons [D]
20689 Sunderland [C] — 2 violations
20690 Tall Timbers [C]
20692 Valley Lee [C]
20693 Welcome [D]
20695 White Plains [D]
20697 Southern Md Facility [D]
22001
22003 Annandale [C]
22009 Burke [D]
22011
22012
22013
22015 Burke [D]
22017
22018
22020
22025 Dumfries [C]
22026 Dumfries [C]
22027 Dunn Loring [D]
22030 Fairfax [D]
22031 Fairfax [D]
22032 Fairfax [D]
22033 Fairfax [D]
22034 Fairfax [D]
22035 Fairfax [D]
22036 Fairfax [C]
22037 Fairfax [D]
22038 Fairfax [D]
22039 Fairfax Station [D]
22040 Falls Church [C]
22041 Falls Church [C]
22042 Falls Church [C]
22043 Falls Church [C]
22044 Falls Church [C]
22046 Falls Church [C]
22055
22060 Fort Belvoir [C]
22066 Great Falls [D]
22067 Greenway [D]
22075
22079 Lorton [D]
22080
22081 Merrifield [D]
22082 Merrifield [D]
22090
22091
22093 Ashburn [B] — 1 violation
22095 Herndon [C]
22096 Reston [D]
22101 Mc Lean [C]
22102 Mc Lean [D]
22103 West Mclean [D]
22106 Mc Lean [C]
22107 Mc Lean [C]
22108 Mc Lean [C]
22109 Mc Lean [C]
22110
22111
22116 Merrifield [D]
22118 Merrifield [D]
22119 Merrifield [D]
22120
22121 Mount Vernon [C]
22122 Newington [C]
22124 Oakton [D]
22125 Occoquan [C]
22132
22134 Quantico [B]
22135 Quantico [B]
22150 Springfield [C]
22151 Springfield [C]
22152 Springfield [C]
22153 Springfield [C]
22156 Springfield [D]
22158 Springfield [D]
22159 Springfield [D]
22160 Springfield [D]
22161 Springfield [C]
22170
22172 Triangle [C]
22176
22180 Vienna [C]
22181 Vienna [C]
22182 Vienna [C]
22183 Vienna [C]
22185 Vienna [C]
22186
22191 Woodbridge [B]
22192 Woodbridge [B]
22193 Woodbridge [B]
22194 Woodbridge [B]
22195 Woodbridge [B]
22199 Lorton [C]
22201 Arlington [B] — 2 violations
22202 Arlington [B] — 2 violations
22203 Arlington [B] — 2 violations
22204 Arlington [B] — 2 violations
22205 Arlington [B] — 2 violations
22206 Arlington [B] — 2 violations
22207 Arlington [B] — 2 violations
22209 Arlington [B] — 2 violations
22210 Arlington [B] — 2 violations
22211 Fort Myer [C]
22212 Arlington [B] — 2 violations
22213 Arlington [B] — 2 violations
22214 Arlington [B] — 2 violations
22215 Arlington [B] — 2 violations
22216 Arlington [B] — 2 violations
22217 Arlington [B] — 2 violations
22218 Arlington [B] — 2 violations
22219 Arlington [B] — 2 violations
22222 Arlington [B] — 2 violations
22225 Arlington [B] — 2 violations
22226 Arlington [B] — 2 violations
22227 Arlington [B] — 2 violations
22230 Arlington [B] — 2 violations
22234 Arlington [B] — 2 violations
22240 Arlington [B] — 2 violations
22241 Arlington [B] — 2 violations
22242 Arlington [B] — 2 violations
22243 Arlington [B] — 2 violations
22244 Arlington [B] — 2 violations
22245 Arlington [B] — 2 violations
22246 Arlington [B] — 2 violations

Data Sources

Water quality: EPA Safe Drinking Water Information System (SDWIS)
Lead/copper: EPA Lead and Copper Rule sampling data
Housing age: U.S. Census Bureau American Community Survey
Flood risk: FEMA National Flood Insurance Program
Radon: EPA Map of Radon Zones

Updated daily.