She said the company's major mistake had been its failure to better inform residents about the plant and its products.
Another $1.1 million was used to inform and protect residents against post-storm diseases.
A neon signboard in the city informs residents how full the reservoir is.
Mining company employees made no attempt to inform local residents of what they were prospecting for.
In addition, the government distributed 30,000 pamphlets and mounted a campaign to inform residents about the disease.
This method is similar to using flyers or advertisements as a way to inform residents of planning.
Commission meetings are cablecast live to inform residents and encourage participation in local government.
There is a practical reason for informing prospective residents, he said.
The research results were presented at last year's meeting, which was intended to inform and reassure residents.
Local officials had expressed concern earlier in the week that the city had not yet adequately informed residents about the study.