Calvert County, MD
The federal environmental record for Calvert County (population 94,728): what is on file, where it is, and what remains open. Sources and retrieval dates are on the methodology page.
0
Superfund NPL sites
2
federal cleanup sites
0
PFAS-detecting water systems
1
TRI facilities
0
open tank releases
Drinking water: PFAS testing
No public water system serving Calvert reported a PFAS detection in the UCMR5 national testing round. Systems serving under 3,300 people were only sampled in part, so absence from this table is not proof of absence in the water.
Facilities reporting toxic releases (2024)
1 facilities in Calvert filed TRI reports for 2024, totalling 0 lb released.
| Facility | City | Top chemicals | Total released |
|---|---|---|---|
| SMO BARSTOW PLANT | PRINCE FREDERICK | - | 0 lb |
Underground fuel tanks
EPA's UST Finder records 202 tank facilities in Calvert: 145 tanks in service and 576 closed. 181 fuel releases are on record, of which 0 remain open. Open releases are cleanups that have not reached "no further action".
Radon
EPA maps Calvert as Zone 1, the highest predicted indoor radon levels (over 4 pCi/L average). Radon and air quality are covered in depth on lung.com.
The record for one specific address
County figures blur what matters: distance. The Address Environmental Report runs these same federal datasets against one address and reports every site, tank, polluter and water result around it, with distances, in about a minute.
Get the report - $39All federal cleanup sites on file
The wider Superfund enterprise inventory (SEMS) for Calvert, including sites assessed but never listed. Presence here records that EPA had reason to look, not a finding of danger.
- USN NAVAL RESEARCH LAB CHES BAY DETACHCHESAPEAKE BEACH
- USN SURFACE WARFARE CENTER-SOLOMON'S ISLSOLOMON'S ISLAND