Nutrient Impaired 303(d) Streams for the Pacific Northwest
收藏DataCite Commons2023-09-28 更新2026-05-07 收录
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https://www.sciencebase.gov/catalog/item/63140603d34e36012efa367f
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资源简介：
These data were released prior to the October 1, 2016 effective date for the USGS’s policy dictating the review, approval, and release of scientific data as referenced in USGS Survey Manual Chapter 502.8 Fundamental Science Practices: Review and Approval of Scientific Data for Release. Under section 303(d) of the 1972 Clean Water Act, states, territories, and authorized tribes are required to develop lists of impaired waters. These impaired waters do not meet water quality standards that states, territories, and authorized tribes have set for them, even after point sources of pollution have installed the minimum required levels of pollution control technology. The law requires that these jurisdictions establish priority rankings for [...]
提供机构：
U.S. Geological Survey
创建时间：
2023-09-28
