Pennsylvania Contamination Data

We checked the federal record around Philadelphia County — 3,681 documented sites across 7 of the 9 source types we track, 49 of them high-severity.

The most significant on record: 48 Superfund sites. Sites tracked in EPA's Superfund program — from assessment-stage CERCLIS entries to confirmed National Priorities List cleanup sites.

Philadelphia County carries one of the heavier federal records we track — 3,681 documented sites, most of them underground storage tanks. That's a record of the area's history, not a verdict on any one yard: proximity to a documented site is information, not a diagnosis. Before food beds go in, a professional soil test tells you exactly what you're working with — and raised beds with clean imported soil grow well almost anywhere in the meantime.

We checked the federal record around Delaware County — 1,708 documented sites across 7 of the 9 source types we track, 19 of them high-severity.

The most significant on record: 18 Superfund sites. Sites tracked in EPA's Superfund program — from assessment-stage CERCLIS entries to confirmed National Priorities List cleanup sites.

Delaware County carries one of the heavier federal records we track — 1,708 documented sites, most of them underground storage tanks. That's a record of the area's history, not a verdict on any one yard: proximity to a documented site is information, not a diagnosis. Before food beds go in, a professional soil test tells you exactly what you're working with — and raised beds with clean imported soil grow well almost anywhere in the meantime.

We checked the federal record around Montgomery County — 3,646 documented sites across 7 of the 9 source types we track, 65 of them high-severity.

The most significant on record: 45 Superfund sites. Sites tracked in EPA's Superfund program — from assessment-stage CERCLIS entries to confirmed National Priorities List cleanup sites.

Montgomery County carries one of the heavier federal records we track — 3,646 documented sites, most of them underground storage tanks. That's a record of the area's history, not a verdict on any one yard: proximity to a documented site is information, not a diagnosis. Before food beds go in, a professional soil test tells you exactly what you're working with — and raised beds with clean imported soil grow well almost anywhere in the meantime.

We checked the federal record around Allegheny County — 4,863 documented sites across 7 of the 9 source types we track, 37 of them high-severity.

The most significant on record: 29 Superfund sites. Sites tracked in EPA's Superfund program — from assessment-stage CERCLIS entries to confirmed National Priorities List cleanup sites.

Allegheny County carries one of the heavier federal records we track — 4,863 documented sites, most of them underground storage tanks. That's a record of the area's history, not a verdict on any one yard: proximity to a documented site is information, not a diagnosis. Before food beds go in, a professional soil test tells you exactly what you're working with — and raised beds with clean imported soil grow well almost anywhere in the meantime.

We checked the federal record around Chester County — 3,805 documented sites across 8 of the 9 source types we track, 39 of them high-severity.

The most significant on record: 17 Superfund sites. Sites tracked in EPA's Superfund program — from assessment-stage CERCLIS entries to confirmed National Priorities List cleanup sites.

Chester County carries one of the heavier federal records we track — 3,805 documented sites, most of them nitrate. That's a record of the area's history, not a verdict on any one yard: proximity to a documented site is information, not a diagnosis. Before food beds go in, a professional soil test tells you exactly what you're working with — and raised beds with clean imported soil grow well almost anywhere in the meantime.

We checked the federal record around Lehigh County — 1,843 documented sites across 8 of the 9 source types we track, 21 of them high-severity.

The most significant on record: 11 Superfund sites. Sites tracked in EPA's Superfund program — from assessment-stage CERCLIS entries to confirmed National Priorities List cleanup sites.

Lehigh County carries one of the heavier federal records we track — 1,843 documented sites, most of them underground storage tanks. That's a record of the area's history, not a verdict on any one yard: proximity to a documented site is information, not a diagnosis. Before food beds go in, a professional soil test tells you exactly what you're working with — and raised beds with clean imported soil grow well almost anywhere in the meantime.