Rhode Island Contamination Data

State Contamination Profile

Elevated Risk Level7,250 documented sites
Rhode Island ranks 1st of 50 states by severity-weighted density — a screening measure of how much documented history sits in the federal record per square mile. That describes the record, not any single yard: the map shows where each documented site actually sits.

Total Sites

7,250

9 federal databases

Severity Density

8.97

Severity-weighted sites per sq mi

High-Severity Sites

155

Superfund NPL, PFAS detections + similar top-tier records

Data Sources

EPA, USGS

9 databases checked

High-severity counts the top severity tier of the record — the sites most worth checking distances against.

Source Breakdown

Top Counties in Rhode Island

Bristol County carries Rhode Island's densest documented record — 13.01 severity-weighted sites per square mile across 264 records, most commonly Underground Storage Tanks, including 4 high-severity sites. Density describes the county's record, not any single parcel.

Agricultural Pesticide Use in Rhode Island

In the 2019 federal survey estimates, Rhode Island's most-applied agricultural pesticides statewide were Metolachlor & Metolachlor-S, Metolachlor-S and Atrazine. These estimates describe agricultural land use across the state — context for what's in use around the region, not a reading on any garden's soil.

Pesticide data: USGS NAWQA Pesticide National Synthesis Project (EPest county-level use estimates). Latest available county estimates: 2019.

County-Level Detail in Rhode Island

The federal record isn't uniform across a state. Here's what's documented around Rhode Island's counties with the densest records — each read from that county's own sites, not the state average. Proximity is information, not a diagnosis; a soil test settles any near neighbor.

Is It Safe to Grow Food in Bristol County?

Federal record: High

We checked the federal record around Bristol County264 documented sites across 5 of the 9 source types we track, 4 of them high-severity.

The most significant on record: 4 Superfund sites. Sites tracked in EPA's Superfund program — from assessment-stage CERCLIS entries to confirmed National Priorities List cleanup sites.

Bristol County carries one of the heavier federal records we track — 264 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.

Documented sites nearest the Bristol County center

  • North FarmUnderground Storage Tanks · ~0.5 km from the county center
  • Serpa's IncUnderground Storage Tanks · ~0.7 km from the county center
  • Tri-Mack Plastic Mfg. CorpBrownfields · ~1.0 km from the county center

These are the closest documented sites to Bristol County's geographic center — a screening reference, not a reading on any specific address. Check your own Rhode Island parcel to see what's actually near you.

Is It Safe to Grow Food in Providence County?

Federal record: High

We checked the federal record around Providence County3,820 documented sites across 7 of the 9 source types we track, 61 of them high-severity.

The most significant on record: 57 Superfund sites. Sites tracked in EPA's Superfund program — from assessment-stage CERCLIS entries to confirmed National Priorities List cleanup sites.

Providence County carries one of the heavier federal records we track — 3,820 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.

Documented sites nearest the Providence County center

  • Iron Mountain Rhode IslandUnderground Storage Tanks · ~0.7 km from the county center
  • New England TelephoneUnderground Storage Tanks · ~0.9 km from the county center
  • Glocester Garage (D.o.t.)Underground Storage Tanks · ~1.7 km from the county center

These are the closest documented sites to Providence County's geographic center — a screening reference, not a reading on any specific address. Check your own Rhode Island parcel to see what's actually near you.

Is It Safe to Grow Food in Kent County?

Federal record: High

We checked the federal record around Kent County1,046 documented sites across 6 of the 9 source types we track, 15 of them high-severity.

The most significant on record: 14 Superfund sites. Sites tracked in EPA's Superfund program — from assessment-stage CERCLIS entries to confirmed National Priorities List cleanup sites.

Kent County carries one of the heavier federal records we track — 1,046 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.

Documented sites nearest the Kent County center

  • Tractor Supply Company #1219Brownfields · ~0.5 km from the county center
  • Ocean State Job Lot #104Brownfields · ~0.6 km from the county center
  • Atlantic PlumbingUnderground Storage Tanks · ~0.7 km from the county center

These are the closest documented sites to Kent County's geographic center — a screening reference, not a reading on any specific address. Check your own Rhode Island parcel to see what's actually near you.

Is It Safe to Grow Food in Newport County?

Federal record: High

We checked the federal record around Newport County636 documented sites across 5 of the 9 source types we track, 31 of them high-severity.

The most significant on record: 27 Superfund sites. Sites tracked in EPA's Superfund program — from assessment-stage CERCLIS entries to confirmed National Priorities List cleanup sites.

Newport County carries one of the heavier federal records we track — 636 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.

Documented sites nearest the Newport County center

  • Analysis & Technology IncBrownfields · ~0.1 km from the county center
  • Lockhead MartinBrownfields · ~0.2 km from the county center
  • Progeny SystemsBrownfields · ~0.2 km from the county center

These are the closest documented sites to Newport County's geographic center — a screening reference, not a reading on any specific address. Check your own Rhode Island parcel to see what's actually near you.

Is It Safe to Grow Food in Washington County?

Federal record: High

We checked the federal record around Washington County1,484 documented sites across 6 of the 9 source types we track, 44 of them high-severity.

The most significant on record: 39 Superfund sites. Sites tracked in EPA's Superfund program — from assessment-stage CERCLIS entries to confirmed National Priorities List cleanup sites.

Washington County carries one of the heavier federal records we track — 1,484 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.

Documented sites nearest the Washington County center

  • Compass HardwareBrownfields · ~0.8 km from the county center
  • Windor IncorporatedBrownfields · ~0.8 km from the county center
  • Burlingame State ParkUnderground Storage Tanks · ~1.0 km from the county center

These are the closest documented sites to Washington County's geographic center — a screening reference, not a reading on any specific address. Check your own Rhode Island parcel to see what's actually near you.

Check an Address in Rhode Island

Free Report

Read your Rhode Island parcel

See exact proximity distances to contamination sources for your specific parcel — plus soil, sun, drainage, and 1,112 plant recommendations.

Three things about your exact spot that zone averages miss:

Your soil pHYour frost-free daysYour sun & shade

We read public map data for this spot — soil, climate, flood, and parcel records. How we handle your address.

25+ data sources analyzed in seconds

EPA FRS CERCLISArcGIS Online UST FinderEPA FRS TRIEPA FRS ACRESEPA UCMR 5USGS Water Quality PortalEPA FRS NPDESUSGS MRDSUSGS NAWQA EPest