Found 31 datasets matching "exceedances".
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This data includes gridded estimates of: (1) decadally averaged total N and S deposition for the conterminous US from 1800-2025, (2) critical loads from the National Critical Loads Database, and...
Search relevance: 110.42 | Views last month: 3 -
contains hourly ozone and meteorological data. This dataset is associated with the following publication: Schliep, E., A. Gelfand, and D. Holland. Alternating Gaussian process modulated renewal...
Search relevance: 75.96 | Views last month: 0 -
Site-specific multiple linear regression models were developed for eight sites in Ohio—six in the Western Lake Erie Basin and two in northeast Ohio on inland reservoirs--to quickly predict...
Search relevance: 74.80 | Views last month: 6 -
Ozone exceedance data for national parks with on-site monitoring. This data set documents the number of days when the ozone standard was exceeded from April to October, 2018. The National Ambient...
Search relevance: 64.96 | Views last month: 1 -
This dataset contains the CMAQ STAGE hourly gridded NH3 model data provided by EPA/ORD researchers for the Makar et al. (2025) paper. The gridded data is provided in a netcdf file. This dataset...
Search relevance: 60.07 | Views last month: 1 -
This dataset contains the CMAQ M3Dry hourly gridded NH3 model data provided by EPA/ORD researchers for the Makar et al. (2025) paper. The gridded data is provided in a netcdf file. This dataset...
Search relevance: 60.07 | Views last month: 0 -
This dataset contains the CMAQ model data provided by EPA/ORD researchers for the Makar et al. (2025) paper. It includes CMAQ model data extracted at monitoring stations, CMAQ gridded annual...
Search relevance: 59.39 | Views last month: 1 -
Critical loads are a tool the NPS uses to assess and understand the impacts of nitrogen deposition to park ecosystems and help inform policy and management decisions to protect them. This analysis...
Search relevance: 59.33 | Views last month: 0 -
This table summarizes the number of times samples from a location have exceeded an EPA-mandated maximum contaminant level (MCL) since 1990.
Search relevance: 53.35 | Views last month: 0 -
This data release contains data used to develop models and maps that estimate probabilities of exceeding various thresholds of arsenic concentrations in private domestic wells throughout the...
Search relevance: 45.17 | Views last month: 0 -
Detailed Discharge Monitoring Report (DMR) data supporting effluent charts for one Clean Water Act discharge permit. Includes effluent parameters, amounts discharged and identified Clean Water Act...
Search relevance: 41.15 | Views last month: 0 -
Figure 4 data set. Upper Soldier Creek Climate Scenario Summary. RCP4.5 scenarios for 2021-2050 time frame as compared to 2014 baseline. Simulations were run with an initial groundwater...
Search relevance: 39.37 | Views last month: 0 -
This dataset contains a tabular file of phytoplankton abundance and community composition analysis in samples collected from two sites in the Western Lake Erie Basin and one inland lake site in...
Search relevance: 39.04 | Views last month: 0 -
Detailed Discharge Monitoring Report (DMR) data supporting effluent charts for one Clean Water Act discharge permit. Includes effluent parameters, amounts discharged and identified Clean Water Act...
Search relevance: 38.37 | Views last month: 1 -
Data underlying Figure 5. Upper Soldier Creek, KS predicted daily total phosphorus loads normalized for year of average precipitation adjusted for climate change (2021 – 2050) based on GISS-E2-H...
Search relevance: 37.36 | Views last month: 0 -
The tabular data tables in this product include detection frequency and benchmark exceedances of agricultural pesticides in surface water samples collected in rivers and streams. The data are a...
Search relevance: 35.82 | Views last month: 0 -
Paired data for estimates of E. coli concentrations by culture analysis and E. coli gene copies by Draft Method C for 6965 ambient water samples from state of Michigan. This dataset is...
Search relevance: 33.62 | Views last month: 1 -
This data set contains 18 metrics used to describe patterns in specific conductance (SC) and chloride concentrations in 93 streams located across the eastern United States. These data were...
Search relevance: 32.70 | Views last month: 0 -
This data set includes input data for the development of regression models to predict chloride from specific conductance (SC) data at 56 U. S. Geological Survey water quality monitoring stations...
Search relevance: 31.78 | Views last month: 1 -
MOOSE_Aerodyne-Mobile-Laboratory_1 is the data collected by the Aerodyne Mobile Laboratory (AML) during the Michigan-Ontario Ozone Source Experiment (MOOSE). Instruments used to collect data...
Search relevance: 30.75 | Views last month: 0
