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Norfolk, Suffolk, MA

Low Risk (5/100)

Transparent derived index from EPA TRI / SDWIS / Superfund extracts: not an official EPA rating. Fixed caps: facilities ≤25 pts (50+ = max), log10 releases ≤25 pts, Superfund ≤25 pts (5/site), health-violation systems ≤15 pts (3/system), high-chemical facilities ≤10 pts. Bands: High ≥60, Moderate ≥30. See methodology.

Environmental data for Norfolk, Suffolk in Massachusetts

NPL sites such as Lower Neponset River anchor Norfolk, Suffolk, MA's EPA extract. Derived burden score 5/100 (Low Risk) uses fixed national caps on density, log release volume, Superfund count, and health-flagged systems - not an official EPA rating.

No TRI Form R facilities sit in Norfolk, Suffolk in this extract. No AQS county monitors report here.

Burden score 5/100 (Low Risk) is the only weighted composite on this page. The tables below list every TRI facility, SDWIS system, and Superfund site EPA has on record for Norfolk, Suffolk -- not just the names called out above -- reproducing the disclosure history as filed, not a current-safety verdict. Extract current as of 2026-08-25.

TRI Facilities
0
Water Systems
0
Superfund Sites
1
Total Releases
0 lbs

Superfund Sites (1)

Site Name Status HRS Score
Lower Neponset River NPL Site 50.00

Cities in Norfolk, Suffolk (1)

Boston, Milton
0 facilities · 0 water

Frequently Asked Questions

What is the environmental risk level in Norfolk, Suffolk, Massachusetts? ▼
Norfolk, Suffolk, MA has an environmental risk score of 5/100 (Low Risk), based on 0 TRI facilities, 1 Superfund sites, and 0 water systems on record. No water systems have current health-based violations. Source: EPA TRI, SDWIS, and Superfund NPL.
Are there Superfund sites in Norfolk, Suffolk? ▼
Yes, Norfolk, Suffolk, MA has 1 Superfund site on the EPA National Priorities List (NPL). Superfund sites are contaminated locations that require long-term cleanup under the EPA Comprehensive Environmental Response, Compensation, and Liability Act (CERCLA).
How many toxic release facilities are in Norfolk, Suffolk? ▼
Norfolk, Suffolk, MA has 0 TRI-reporting facilities on record with the EPA Toxic Release Inventory. TRI facilities self-report annual chemical release data to the EPA.
What is the air quality in Norfolk, Suffolk? ▼
Air quality monitoring data (EPA AQS) is not available for Norfolk, Suffolk, MA. This may indicate no EPA monitoring stations are located in the county. For regional air quality data, see the state environmental profile or visit EPA's AirNow.gov.
Is the drinking water safe in Norfolk, Suffolk? ▼
No EPA-regulated water systems are currently recorded for Norfolk, Suffolk, MA in the SDWIS database.
What environmental agencies cover Norfolk, Suffolk? ▼
Environmental compliance in Norfolk, Suffolk, Massachusetts is overseen by the U.S. Environmental Protection Agency (EPA) at the federal level and the Massachusetts state environmental agency. Facilities report to the EPA Toxic Release Inventory, water systems are regulated under the Safe Drinking Water Act, and contaminated sites are managed under the Superfund program. Contact your state environmental agency for local concerns.

What does this county environmental profile show?

This county environmental profile rolls up EPA Toxics Release Inventory facility reports, Safe Drinking Water Information System public-water-system filings, and Superfund National Priorities List sites for the county boundary defined by the U.S. Census Bureau. Facility counts reflect facilities with a reporting address inside the county, not where downstream environmental effects may be observed. Population figures are from the most recent Census ACS 5-year estimate. The county detail page is updated whenever the upstream EPA programs publish revised data; see the methodology page for the documented ingest cadence and the editorial choices governing how aggregations are computed.

Related Guides

Understanding EPA Data
How EPA collects and publishes environmental data
Environmental Justice
Who lives near polluters and environmental hazards
How to Check Environmental Quality
Step-by-step guide to checking your local environment

Read our methodology - how this data is sourced, computed, and verified.

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Data sourced from U.S. EPA environmental datasets. See our methodology for details. Retrieved and formatted by PlainEnviro