The industries employed an estimated 396 people. All but one of the businesses in Adams County purchase their water from a PWS or obtain their water from a private supply not requiring a permit. There are no water use permits for industry in Adams County. There is no power production in Adams County. Mining Water Use Mining in Adams County consists of sand and gravel extraction.
Activity varies from year to year based upon construction needs.
Three water permits were issued for mining in the county. The State-Wide Rural Well Water Survey completed in 1989 indicates the following quality results for private well water, shown in Table 3, for the southwest hydrogeologic region in which Adams County is located. The Iowa State-Wide Rural Well Water Survey, 1990. The UHL's test results for the county also show that in an average year 35.4 percent of wells tested for nitrates exceeded the recommended maximum. These results are based on non-random samples.