The industries employed an estimated 548 people. Most of the businesses in Pocahontas 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 Pocahontas County. . There is no power production in Pocahontas County. Mining Water Use Mining in Pocahontas County consists of sand and gravel extraction.
Activity varies from year to year based upon construction needs.
Three water use 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 north central hydrogeologic region in which Pocahontas County is located. The Iowa State-Wide Rural Well Water Survey, 1990. The UHL's test results for the county show that in an average year 26.7 percent of wells tested for nitrates exceeded the recommended maximum. The test results are based on non-random samples.