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Federal
1987-2018 cyanobacteria and water quality data for 20 reservoirs 15 recent views
U.S. Environmental Protection Agency —
These data include cyanobacteria cell densities (including maximum cell densities observed for each year in each reservoir), annual summer (June-August)... -
Federal
Metadata for Effects of point and nonpoint source controls on total phosphorus load trends across the Chesapeake Bay watershed, USA
U.S. Environmental Protection Agency —
These datasets allow users to acquire necessary input data to replication Zhang et al. (2023) and also review the model output results. This dataset is associated... -
Federal
Time lags in watershed nitrogen and phosphorus input-output balances: A forty-four year record of the Willamette River Basin
U.S. Environmental Protection Agency —
The following 4 tables accompany the peer-reviewed journal article GS Metson, J Lin, JE Compton, JA Harrison. "Where have all the nutrients gone? Long-term Decoupling... -
Federal
Consumer-oriented phosphorus and nitrogen footprints for the U.S.
U.S. Environmental Protection Agency —
The P footprint approach described here emulates the N footprint approach described by Leach et al (2012), with updated (circa 2013-2015 ) values for N from Leach et... -
Federal
LMR watershed temporal DNA metabarcoding 2016 study
U.S. Environmental Protection Agency —
LMR watershed temporal DNA metabarcoding 2016 study. This dataset is associated with the following publication: Smucker, N., E. Pilgrim, H. Wu, C. Nietch, J. Darling,... -
Federal
Revised risk-based indices and proposed new composite watershed health measure and application thereof to the Upper Mississippi River Watershed, Ohio River Basin, and Maumee River Basin
U.S. Environmental Protection Agency —
The dataset includes names and geographic coordinates of gauge stations where flow and water quality (sediment, nitrogen, phosphorus) are measured in the Upper... -
Federal
St. Louis River water quality assessment 2012, 2013
U.S. Environmental Protection Agency —
St. Louis River Area of Concern surface water nutrient (TP, TN, NOx-N, NH4-N), dissolved oxygen, and particulate (TSS, chlorophyll a) concentration data from 2012 and...