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

The Philadelphia metropolitan area spans Pennsylvania, New Jersey, Delaware and includes 386 ZIP codes served by 167 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 (69/100)

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	84	23%
B	87	23%
C	122	33%
D	73	20%
F	5	1%

46% of ZIP codes in the Philadelphia metro earned an A or B — above-average safety conditions for homebuyers.

Safest Neighborhoods (Top 10 ZIPs)

The safest ZIP code is 19019 in Philadelphia with a score of 96/100. These areas typically have newer infrastructure, fewer EPA violations, and lower environmental risk factors.

Highest-Risk Neighborhoods (Bottom 10 ZIPs)

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

Lead Risk Overview

• Average lead level (90th percentile): 0.0023 mg/L (below EPA action level of 0.015 mg/L)
• 1 ZIP codes exceed the EPA lead action level
• 31% of housing built before 1950 (highest lead paint risk)
• 47% of housing built before 1970 (lead solder in plumbing)
• 77% of housing built before 1986 (potential lead pipes)

The Philadelphia metro has a significant share of pre-1950 housing. Buyers in older neighborhoods should budget for lead paint inspection ($300-500) and water testing ($30-80) as part of due diligence.

Flood Risk

• 75,735 FEMA flood insurance claims filed
• 306 ZIP codes with flood claims (79% of metro)
• $23,638 average payout per claim
• $1,790,186,138 total payouts

Water System Comparison

The Philadelphia metro is served by 167 community water systems, drawing from: Groundwater, Surface water.

Major water systems include:

• A and J Mobile Home Park
• Alpine Village
• Ambler Boro Water Department
• Aqua Pa Bensalem
• Aqua Pa Bristol
• Aqua Pa Main System
• Aqua Pa Uwchlan
• Aqua Pa West Chester
• Artesian Northern Kent Regional
• Artesian Southern Sussex Regional
• ...and 157 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	58	15%
Zone 2	Moderate	149	39%
Zone 3	Low	164	42%

Is Philadelphia Safe for Homebuyers?

Areas of concern: 93 health-based EPA violations on record; 1 ZIP codes exceed EPA lead limits; 31% of housing predates 1950 (lead risk).

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 Philadelphia metro area?

The Philadelphia metro area has an average Home Safety Score of 69/100 (grade C). This score is based on EPA violation records, lead testing data, radon risk, and flood exposure across 386 ZIP codes.

How many EPA water violations are in the Philadelphia area?

There are 1,048 total EPA violations across the Philadelphia metro, with 93 being health-based violations. 179 out of 386 ZIP codes (46%) have at least one recorded violation.

Is the tap water safe to drink in Philadelphia?

Water safety varies by ZIP code and water system. 1 ZIP codes in the metro exceed EPA lead action levels. The average lead level is 0.0023 mg/L (EPA action level is 0.015 mg/L). Check your specific ZIP code for a detailed report.

What percentage of homes in Philadelphia have lead risk?

Approximately 77% of housing in the Philadelphia metro was built before 1986, when lead pipes were still legal. 31% 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 Philadelphia metro?

The Philadelphia metro has recorded 75,735 FEMA flood insurance claims across 306 ZIP codes, with an average payout of $23,638 per claim. Check the FEMA flood map for your specific property.

Cities in the Philadelphia Metro

• Philadelphia, PA — 87 ZIP codes
• Newark, DE — 11 ZIP codes
• Levittown, PA — 5 ZIP codes
• Camden, NJ — 5 ZIP codes
• Wayne, PA — 4 ZIP codes
• Fort Washington, PA — 3 ZIP codes
• Media, PA — 3 ZIP codes
• Cherry Hill, NJ — 3 ZIP codes
• Vineland, NJ — 3 ZIP codes
• Chester, PA — 2 ZIP codes
• Holmes, PA — 2 ZIP codes
• New Castle, DE — 2 ZIP codes
• Bellmawr, NJ — 2 ZIP codes
• Riverton, NJ — 2 ZIP codes
• Absecon, NJ — 2 ZIP codes
• Abington, PA — 1 ZIP codes
• Ambler, PA — 1 ZIP codes
• Ardmore, PA — 1 ZIP codes
• Bala Cynwyd, PA — 1 ZIP codes
• Huntingdon Valley, PA — 1 ZIP codes
• Bristol, PA — 1 ZIP codes
• Broomall, PA — 1 ZIP codes
• Bryn Athyn, PA — 1 ZIP codes
• Bryn Mawr, PA — 1 ZIP codes
• Cheltenham, PA — 1 ZIP codes
• Aston, PA — 1 ZIP codes
• Brookhaven, PA — 1 ZIP codes
• Chester Heights, PA — 1 ZIP codes
• Clifton Heights, PA — 1 ZIP codes
• Bensalem, PA — 1 ZIP codes
• Croydon, PA — 1 ZIP codes
• Crum Lynne, PA — 1 ZIP codes
• Darby, PA — 1 ZIP codes
• Dresher, PA — 1 ZIP codes
• Drexel Hill, PA — 1 ZIP codes
• Elkins Park, PA — 1 ZIP codes
• Edgemont, PA — 1 ZIP codes
• Essington, PA — 1 ZIP codes
• Fairless Hills, PA — 1 ZIP codes
• Flourtown, PA — 1 ZIP codes
• Folcroft, PA — 1 ZIP codes
• Folsom, PA — 1 ZIP codes
• Gladwyne, PA — 1 ZIP codes
• Glenolden, PA — 1 ZIP codes
• Glen Riddle Lima, PA — 1 ZIP codes
• Glenside, PA — 1 ZIP codes
• Gradyville, PA — 1 ZIP codes
• Hatboro, PA — 1 ZIP codes
• Haverford, PA — 1 ZIP codes
• Horsham, PA — 1 ZIP codes

...and 200 more cities. Browse all via city directory.

All 386 ZIP Codes

View all ZIP codes in the Philadelphia metro

• 08000
• 08001 Alloway [C]
• 08002 Cherry Hill [B] — 2 violations
• 08003 Cherry Hill [B] — 2 violations
• 08004 Atco [B] — 4 violations
• 08005 Barnegat [C] — 11 violations
• 08006 Barnegat Light [B]
• 08007 Barrington [C]
• 08008 Beach Haven [B] — 3 violations
• 08009 Berlin [B] — 2 violations
• 08010 Beverly [C]
• 08011 Birmingham [C]
• 08012 Blackwood [C]
• 08014 Bridgeport [C]
• 08015 Browns Mills [C]
• 08016 Burlington [C] — 2 violations
• 08018 Cedar Brook [C]
• 08019 Chatsworth [D]
• 08020 Clarksboro [C]
• 08021 Clementon [C]
• 08022 Columbus [C]
• 08023 Deepwater [C]
• 08024
• 08025 Ewan [C]
• 08026 Gibbsboro [C]
• 08027 Gibbstown [C] — 6 violations
• 08028 Glassboro [C] — 9 violations
• 08029 Glendora [C]
• 08030 Gloucester City [D]
• 08031 Bellmawr [B] — 2 violations
• 08032 Grenloch [D]
• 08033 Haddonfield [C]
• 08034 Cherry Hill [B] — 2 violations
• 08035 Haddon Heights [C]
• 08036 Hainesport [C]
• 08037 Hammonton [B] — 3 violations
• 08038 Hancocks Bridge [B]
• 08039 Harrisonville [C]
• 08041 Jobstown [B] — 7 violations
• 08042 Juliustown [C]
• 08043 Voorhees [C]
• 08045 Lawnside [C]
• 08046 Willingboro [C]
• 08048 Lumberton [D]
• 08049 Magnolia [C]
• 08050 Manahawkin [B] — 1 violation
• 08051 Mantua [D] — 14 violations
• 08052 Maple Shade [B] — 2 violations
• 08053 Marlton [B]
• 08054 Mount Laurel [D]
• 08055 Medford [C] — 2 violations
• 08056 Mickleton [B]
• 08057 Moorestown [B] — 23 violations
• 08058
• 08059 Mount Ephraim [C]
• 08060 Mount Holly [C] — 1 violation
• 08061 Mount Royal [C]
• 08062 Mullica Hill [A]
• 08063 National Park [C] — 3 violations
• 08064 New Lisbon [B] — 3 violations
• 08065 Palmyra [C]
• 08066 Paulsboro [B] — 5 violations
• 08067 Pedricktown [B] — 5 violations
• 08068 Pemberton [B] — 18 violations
• 08069 Penns Grove [C] — 1 violation
• 08070 Pennsville [C] — 4 violations
• 08071 Pitman [B] — 3 violations
• 08072 Quinton [C]
• 08073 Rancocas [C]
• 08074 Richwood [D]
• 08075 Riverside [D]
• 08076 Riverton [D]
• 08077 Riverton [D]
• 08078 Runnemede [C]
• 08079 Salem [D]
• 08080 Sewell [C]
• 08081 Sicklerville [B] — 4 violations
• 08083 Somerdale [C]
• 08084 Stratford [C]
• 08085 Swedesboro [C]
• 08086 Thorofare [D]
• 08087 Tuckerton [D]
• 08088 Vincentown [D]
• 08089 Waterford Works [A]
• 08090 Wenonah [B] — 6 violations
• 08091 West Berlin [C]
• 08092 West Creek [C] — 10 violations
• 08093 Westville [B] — 8 violations
• 08094 Williamstown [B] — 3 violations
• 08095 Winslow [D]
• 08096 Blackwood Ter [C]
• 08097 Woodbury Heights [B]
• 08098 Woodstown [C] — 7 violations
• 08099 Bellmawr [B] — 2 violations
• 08101 Camden [B] — 4 violations
• 08102 Camden [B] — 4 violations
• 08103 Camden [B] — 4 violations
• 08104 Camden [C] — 4 violations
• 08105 Camden [C] — 4 violations
• 08106 Audubon [C]
• 08107 Oaklyn [D]
• 08108 Collingswood [C]
• 08109 Merchantville [D]
• 08110 Pennsauken [B] — 5 violations
• 08200
• 08201 Absecon [C]
• 08202 Avalon [B]
• 08203 Brigantine [B] — 5 violations
• 08204 Cape May [B] — 7 violations
• 08205 Absecon [C]
• 08210 Cape May Court House [C] — 16 violations
• 08212 Cape May Point [B] — 3 violations
• 08213 Cologne [B]
• 08214 Dennisville [D]
• 08215 Egg Harbor City [C]
• 08217 Elwood [C]
• 08218 Goshen [C]
• 08219 Green Creek [A] — 4 violations
• 08220 Leeds Point [B]
• 08221 Linwood [C]
• 08223 Marmora [A] — 2 violations
• 08224 New Gretna [C]
• 08225 Northfield [C]
• 08226 Ocean City [D]
• 08227
• 08229
• 08230 Ocean View [C]
• 08231 Oceanville [B]
• 08232 Pleasantville [C]
• 08234 Egg Harbor Township [B] — 3 violations
• 08240 Pomona [B] — 12 violations
• 08241 Port Republic [C]
• 08242 Rio Grande [B] — 10 violations
• 08243 Sea Isle City [B] — 2 violations
• 08244 Somers Point [C]
• 08245 South Dennis [C]
• 08246 South Seaville [D]
• 08247 Stone Harbor [B] — 3 violations
• 08248 Strathmere [C]
• 08250 Tuckahoe [C]
• 08251 Villas [B] — 3 violations
• 08252 Whitesboro [C]
• 08260 Wildwood [D]
• 08261
• 08266
• 08270 Woodbine [B] — 11 violations
• 08292
• 08302 Bridgeton [D] — 41 violations
• 08310 Buena [B]
• 08311 Cedarville [B] — 6 violations
• 08312 Clayton [B] — 1 violation
• 08313 Deerfield Street [D]
• 08314 Delmont [C]
• 08315 Dividing Creek [C]
• 08316 Dorchester [C]
• 08317 Dorothy [B]
• 08318 Elmer [C] — 19 violations
• 08319 Estell Manor [B]
• 08320 Fairton [B] — 8 violations
• 08321 Fortescue [B] — 1 violation
• 08322 Franklinville [B]
• 08323 Greenwich [C]
• 08324 Heislerville [C]
• 08326 Landisville [C]
• 08327 Leesburg [B]
• 08328 Malaga [D]
• 08329 Mauricetown [C]
• 08330 Mays Landing [B] — 6 violations
• 08332 Millville [B] — 9 violations
• 08340 Milmay [C]
• 08341 Minotola [C]
• 08342 Mizpah [C]
• 08343 Monroeville [C]
• 08344 Newfield [C]
• 08345 Newport [D]
• 08346 Newtonville [C]
• 08347 Norma [C]
• 08348 Port Elizabeth [C]
• 08349 Port Norris [C]
• 08350 Richland [C]
• 08352 Rosenhayn [C]
• 08353 Shiloh [D]
• 08360 Vineland [C] — 24 violations
• 08361 Vineland [B] — 24 violations
• 08362 Vineland [B] — 24 violations
• 08376
• 19000
• 19001 Abington [D]
• 19002 Ambler [D] — 15 violations
• 19003 Ardmore [D]
• 19004 Bala Cynwyd [C]
• 19006 Huntingdon Valley [C]
• 19007 Bristol [D]
• 19008 Broomall [D]
• 19009 Bryn Athyn [B]
• 19010 Bryn Mawr [C] — 9 violations
• 19012 Cheltenham [C]
• 19013 Chester [C]
• 19014 Aston [D]
• 19015 Brookhaven [F]
• 19016 Chester [C]
• 19017 Chester Heights [D]
• 19018 Clifton Heights [C]
• 19019 Philadelphia [A] — 4 violations
• 19020 Bensalem [C]
• 19021 Croydon [D]
• 19022 Crum Lynne [D]
• 19023 Darby [C]
• 19025 Dresher [D]
• 19026 Drexel Hill [D]
• 19027 Elkins Park [C]
• 19028 Edgemont [D]
• 19029 Essington [C]
• 19030 Fairless Hills [D] — 16 violations
• 19031 Flourtown [D]
• 19032 Folcroft [B]
• 19033 Folsom [C]
• 19034 Fort Washington [D] — 8 violations
• 19035 Gladwyne [D]
• 19036 Glenolden [C]
• 19037 Glen Riddle Lima [D]
• 19038 Glenside [D]
• 19039 Gradyville [D]
• 19040 Hatboro [F]
• 19041 Haverford [D]
• 19043 Holmes [C]
• 19044 Horsham [C] — 5 violations
• 19045
• 19046 Jenkintown [D] — 2 violations
• 19047 Langhorne [F]
• 19048 Fort Washington [C] — 8 violations
• 19049 Fort Washington [D] — 8 violations
• 19050 Lansdowne [C]
• 19052 Lenni [D]
• 19053 Feasterville Trevose [D]
• 19054 Levittown [D] — 2 violations
• 19055 Levittown [C] — 2 violations
• 19056 Levittown [D] — 2 violations
• 19057 Levittown [D] — 2 violations
• 19058 Levittown [D] — 2 violations
• 19060 Garnet Valley [D]
• 19061 Marcus Hook [D]
• 19063 Media [D]
• 19064 Springfield [D]
• 19065 Media [D]
• 19066 Merion Station [C]
• 19067 Morrisville [D] — 12 violations
• 19070 Morton [C]
• 19072 Narberth [C]
• 19073 Newtown Square [D]
• 19074 Norwood [B]
• 19075 Oreland [D]
• 19076 Prospect Park [C]
• 19078 Ridley Park [C]
• 19079 Sharon Hill [C]
• 19080 Wayne [D]
• 19081 Swarthmore [D]
• 19082 Upper Darby [C]
• 19083 Havertown [F] — 99 violations
• 19085 Villanova [D]
• 19086 Wallingford [D]
• 19087 Wayne [F]
• 19088 Wayne [D]
• 19089 Wayne [D]
• 19090 Willow Grove [D]
• 19091 Media [D]
• 19092 Philadelphia [A] — 4 violations
• 19093 Philadelphia [A] — 4 violations
• 19094 Woodlyn [D]
• 19095 Wyncote [C]
• 19096 Wynnewood [C]
• 19098 Holmes [C]
• 19099 Philadelphia [A] — 4 violations
• 19101 Philadelphia [A] — 4 violations
• 19102 Philadelphia [A] — 4 violations
• 19103 Philadelphia [B] — 4 violations
• 19104 Philadelphia [A] — 4 violations
• 19105 Philadelphia [C] — 4 violations
• 19106 Philadelphia [A] — 4 violations
• 19107 Philadelphia [A] — 4 violations
• 19108 Philadelphia [A] — 4 violations
• 19109 Philadelphia [A] — 4 violations
• 19110 Philadelphia [A] — 4 violations
• 19111 Philadelphia [A] — 4 violations
• 19112 Philadelphia [A] — 4 violations
• 19113 Philadelphia [C] — 4 violations
• 19114 Philadelphia [B] — 4 violations
• 19115 Philadelphia [A] — 4 violations
• 19116 Philadelphia [A] — 4 violations
• 19117
• 19118 Philadelphia [A] — 4 violations
• 19119 Philadelphia [A] — 4 violations
• 19120 Philadelphia [A] — 4 violations
• 19121 Philadelphia [A] — 4 violations
• 19122 Philadelphia [A] — 4 violations
• 19123 Philadelphia [A] — 4 violations
• 19124 Philadelphia [A] — 4 violations
• 19125 Philadelphia [A] — 4 violations
• 19126 Philadelphia [A] — 4 violations
• 19127 Philadelphia [B] — 4 violations
• 19128 Philadelphia [B] — 4 violations
• 19129 Philadelphia [A] — 4 violations
• 19130 Philadelphia [A] — 4 violations
• 19131 Philadelphia [A] — 4 violations
• 19132 Philadelphia [A] — 4 violations
• 19133 Philadelphia [A] — 4 violations
• 19134 Philadelphia [A] — 4 violations
• 19135 Philadelphia [A] — 4 violations
• 19136 Philadelphia [A] — 4 violations
• 19137 Philadelphia [A] — 4 violations
• 19138 Philadelphia [A] — 4 violations
• 19139 Philadelphia [A] — 4 violations
• 19140 Philadelphia [A] — 4 violations
• 19141 Philadelphia [A] — 4 violations
• 19142 Philadelphia [A] — 4 violations
• 19143 Philadelphia [A] — 4 violations
• 19144 Philadelphia [A] — 4 violations
• 19145 Philadelphia [A] — 4 violations
• 19146 Philadelphia [A] — 4 violations
• 19147 Philadelphia [A] — 4 violations
• 19148 Philadelphia [A] — 4 violations
• 19149 Philadelphia [A] — 4 violations
• 19150 Philadelphia [A] — 4 violations
• 19151 Philadelphia [A] — 4 violations
• 19152 Philadelphia [A] — 4 violations
• 19153 Philadelphia [B] — 4 violations
• 19154 Philadelphia [A] — 4 violations
• 19155 Philadelphia [A] — 4 violations
• 19160 Philadelphia [A] — 4 violations
• 19161 Philadelphia [A] — 4 violations
• 19162 Philadelphia [A] — 4 violations
• 19170 Philadelphia [A] — 4 violations
• 19171 Philadelphia [A] — 4 violations
• 19172 Philadelphia [A] — 4 violations
• 19173 Philadelphia [A] — 4 violations
• 19175 Philadelphia [A] — 4 violations
• 19176 Philadelphia [A] — 4 violations
• 19177 Philadelphia [A] — 4 violations
• 19178 Philadelphia [A] — 4 violations
• 19179 Philadelphia [A] — 4 violations
• 19181 Philadelphia [A] — 4 violations
• 19182 Philadelphia [A] — 4 violations
• 19183 Philadelphia [A] — 4 violations
• 19184 Philadelphia [A] — 4 violations
• 19185 Philadelphia [A] — 4 violations
• 19187 Philadelphia [A] — 4 violations
• 19188 Philadelphia [A] — 4 violations
• 19190 Philadelphia [A] — 4 violations
• 19191 Philadelphia [A] — 4 violations
• 19192 Philadelphia [A] — 4 violations
• 19193 Philadelphia [A] — 4 violations
• 19194 Philadelphia [A] — 4 violations
• 19195 Philadelphia [A] — 4 violations
• 19196 Philadelphia [A] — 4 violations
• 19197 Philadelphia [A] — 4 violations
• 19244 Philadelphia [A] — 4 violations
• 19255 Philadelphia [A] — 4 violations
• 19700
• 19701 Bear [B]
• 19702 Newark [B] — 5 violations
• 19703 Claymont [C]
• 19706 Delaware City [B]
• 19707 Hockessin [B] — 2 violations
• 19708 Kirkwood [D]
• 19709 Middletown [B]
• 19710 Montchanin [B] — 2 violations
• 19711 Newark [B] — 5 violations
• 19712 Newark [B] — 5 violations
• 19713 Newark [B] — 5 violations
• 19714 Newark [B] — 5 violations
• 19715 Newark [B] — 5 violations
• 19716 Newark [B] — 5 violations
• 19717 Newark [B] — 5 violations
• 19718 Newark [B] — 5 violations
• 19720 New Castle [B]
• 19721 New Castle [B]
• 19725 Newark [B] — 5 violations
• 19726 Newark [B] — 5 violations
• 19730 Odessa [B]
• 19731 Port Penn [B]
• 19732 Rockland [C]
• 19733 Saint Georges [D]
• 19734 Townsend [B]
• 19735 Winterthur [C]
• 19736 Yorklyn [C]
• 19770

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.