Howard County Contamination Data

Maryland · County Contamination Profile

Is It Safe to Grow Food in Howard County?

Federal record: Elevated

We checked the federal record around Howard County1,216 documented sites across 7 of the 8 site registers we track, 3 of them high-severity.

The most significant on record: 1 Superfund site. Sites tracked in EPA's Superfund program — from assessment-stage CERCLIS entries to confirmed National Priorities List cleanup sites.

There's a meaningful federal record around Howard County — 1,216 documented sites, most of them brownfields. Worth a look before you plant food, not a reason to hold back from growing. Proximity to a documented site is information, not a diagnosis of any one yard; a soil test before new food beds is the sensible step, and the map shows exactly which sites sit where.

Documented sites nearest the Howard County center

  • Central Maryland Research & Education Ctr. At ClarksvilleUnderground Storage Tanks · ~0.5 km from the county center
  • Ho Be 21Nitrate · ~0.8 km from the county center
  • Ho Cd 25Nitrate · ~0.8 km from the county center

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

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Read your Howard County parcel

See exact proximity distances to contamination sources for your specific parcel — plus soil, sun, drainage, and 1,086 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