Virtualmin

When an underground heating oil tank is removed, the hole is typically backfilled with sand, gravel, native soil, or other approved material. Years later, a buyer, seller, inspector, or contractor may notice discoloration in that area: dark patches, oily-looking soil, rust-colored streaks, a sheen after rain, or a petroleum odor. Those clues do not automatically prove a leak, but they should not be dismissed as cosmetic. In New Jersey, where many older homes have had oil-fired heating systems, stained backfill around a former tank pit can point to historical releases, incomplete cleanup, or simply confusing signs from fill materials and weathering. The key is to interpret the evidence carefully before a real estate transaction, renovation, or tank-closure file moves forward. Why Discolore...