Plans include removing contaminated soil from areas accessible to the public.
Gov. Eric Holcomb visited East Chicago, Indiana, a week after declaring an emergency in the city due to lead and arsenic contamination.
More than 1,000 residents are eligible for HUD relocation vouchers for new housing.
The ISDH says the extra location will offer affected residents blood lead testing, flu shots, birth certificates and childhood immunizations.
Sometime within the next year, researchers may have a way to get arsenic out of the ground, thanks to a subtropical fern.
Indiana University scientists are studying a new ecosystem, hoping to replicate results announced by NASA last week on the discovery of non-traditional life.