What Benzo(A)Pyrene is, and why it's regulated
What the EPA limit means
0.2000 µg/L
Maximum Contaminant Level — the enforceable ceiling a supplier must stay under.
0.0 µg/L
Health goal (MCLG) — the level with no known health effect. It is a goal, not a legal limit, and is often zero for carcinogens.
SYR4
Where these measurements come from. Hover the tag for the EPA programme and years.
Where Benzo(A)Pyrene was found
The water suppliers reporting the highest levels, worst first.
| Supplier | City | State | Level vs EPA limit |
|---|---|---|---|
| Wolbach, Village of | Wolbach | NE | 3.47 µg/L 1735% of the EPA limit, in the worst sample — 0.2000 µg/L |
| Loomis, Village of | Loomis | NE | 3.29 µg/L 1645% of the EPA limit, in the worst sample — 0.2000 µg/L |
| North Point Johnson Lake | Elwood | NE | 3.23 µg/L 1615% of the EPA limit, in the worst sample — 0.2000 µg/L |
| Tri Cnty Jt Muni Auth | — | PA | 3.03 µg/L 1515% of the EPA limit, in the worst sample — 0.2000 µg/L |
| Wayne Water Districts | Goldsboro | NC | 1 µg/L 500% of the EPA limit, in the worst sample — 0.2000 µg/L |
| Lakeview Acres Lot Owners | Lexington | NE | 0.9550 µg/L 477% of the EPA limit, in the worst sample — 0.2000 µg/L |
| Derby Center Water System | Derby | VT | 0.6000 µg/L 300% of the EPA limit, in the worst sample — 0.2000 µg/L |
| Highridge Water Auth | Blairsville | PA | 0.5600 µg/L 280% of the EPA limit, in the worst sample — 0.2000 µg/L |
| Craven County Water System | New Bern | NC | 0.4100 µg/L 205% of the EPA limit, in the worst sample — 0.2000 µg/L |
| Harris County Mud 53 | Houston | TX | 0.4000 µg/L 200% of the EPA limit, in the worst sample — 0.2000 µg/L |
| Robeson County Water System | Maxton | NC | 0.3000 µg/L 150% of the EPA limit, in the worst sample — 0.2000 µg/L |
| Camden Water & Sewer Department | Camden | AL | 0.3000 µg/L 150% of the EPA limit, in the worst sample — 0.2000 µg/L |
| East Hempfield Water Auth | Landisville | PA | 0.2500 µg/L 125% of the EPA limit, in the worst sample — 0.2000 µg/L |
| Bayleaf Master | Raleigh | NC | 0.2300 µg/L 115% of the EPA limit, in the worst sample — 0.2000 µg/L |
| Pike Twp Municipal Authority | Curwensville | PA | 0.2200 µg/L 110% of the EPA limit, in the worst sample — 0.2000 µg/L |
| Powhatan Point Public Water System | Powhatan Point | OH | 0.2000 µg/L 100% of the EPA limit 0.2000 µg/L |
| Newport-City of | Portsmouth | RI | 0.2000 µg/L 100% of the EPA limit 0.2000 µg/L |
| Kreamer Mun Auth | Kreamer | PA | 0.1800 µg/L 90% of the EPA limit 0.2000 µg/L |
| Aurora | Aurora | IL | 0.1800 µg/L 90% of the EPA limit 0.2000 µg/L |
| Blocker Crossroads Wsc | Elysian Fields | TX | 0.1800 µg/L 90% of the EPA limit 0.2000 µg/L |
| Northern Cambria Muni Water | Northern Cambria | PA | 0.1600 µg/L 80% of the EPA limit 0.2000 µg/L |
| Colchester Commons | Colchester | CT | 0.1600 µg/L 80% of the EPA limit 0.2000 µg/L |
| Desales University | Center Valley | PA | 0.1500 µg/L 75% of the EPA limit 0.2000 µg/L |
| Sonoma County Water Agency | Santa Rosa | CA | 0.1500 µg/L 75% of the EPA limit 0.2000 µg/L |
| Love Creek Mhc | Lewes | DE | 0.1500 µg/L 75% of the EPA limit 0.2000 µg/L |
Frequently asked questions about Benzo(A)Pyrene
What is Benzo(A)Pyrene in drinking water?
Benzo(a)pyrene comes from coal tar pipe linings and combustion; it is a probable carcinogen.
What is the EPA limit for Benzo(A)Pyrene?
The EPA's Maximum Contaminant Level for Benzo(A)Pyrene is 0.2000 µg/L, and its health goal (MCLG) is 0.0 µg/L. A result above the limit means the supplier must act; the goal is the level at which no health effects are expected.
How common is Benzo(A)Pyrene in US tap water?
Of the 24,703 water suppliers with results on file, 184 detected Benzo(A)Pyrene — 0.7% of those tested.