A sewer, or rotten egg odor, from your tap water could be the result of several problems in your own home, and may not be directly related to the water supply. If you detect the odor in your kitchen faucet, it could be the result of a partially clogged drain or a dirty garbage disposal.
Burial Vaults Cost. Typical costs: Expect to pay between $400 and $1,500 for a basic grave box or liner, typically made of unlined concrete with holes in the bottom to let water in. Prices vary depending on location, and the thickness and type of materials.
You ask a good question about something that probably many people have wondered. Although not a state law, the state allows cemeteries to create their own ordinances and burial requirements regarding a vault or burial container for the casket. You're right about the price range starting around the $600 price range.