Catchment_Scores| Field Name | Valid Values | Definition | Definition Source |
|---|
| OBJECTID | 1 to 10018 | Internal feature number. | ESRI |
| CATCH_ID | - | Primary ID field for DNR catchments. | |
| H_I_PC_16 | 0 to 100 | Hyd Index - Perennial Cover; Hydrology component index based on the amount of perennial cover on the landscape calculated from 2016 NLCD. | |
| H_I_PC_13 | 0 to 100 | Hyd Index - Perennial Cover; Hydrology component index based on the amount of perennial cover on the landscape calculated from 2013 NLCD. | |
| H_I_PC_11 | 0 to 100 | Hyd Index - Perennial Cover; Hydrology component index based on the amount of perennial cover on the landscape calculated from 2011 NLCD. | |
| H_I_PC_08 | 0 to 100 | Hyd Index - Perennial Cover; Hydrology component index based on the amount of perennial cover on the landscape calculated from 2008 NLCD. | |
| H_I_PC_06 | 0 to 100 | Hyd Index - Perennial Cover; Hydrology component index based on the amount of perennial cover on the landscape calculated from 2006 NLCD. | |
| H_I_PC_04 | 0 to 100 | Hyd Index - Perennial Cover; Hydrology component index based on the amount of perennial cover on the landscape calculated from 2004 NLCD. | |
| H_I_PC_01 | 0 to 100 | Hyd Index - Perennial Cover; Hydrology component index based on the amount of perennial cover on the landscape calculated from 2001 NLCD. | |
| H_I_IC_16 | 0 to 100 | Hyd Index - Impervious Cover; Hydrology component index based the percentage of impervious area in the watershed, calculated from the 2016 NLCD impervious surface dataset. | |
| H_I_IC_11 | 0 to 100 | Hyd Index - Impervious Cover; Hydrology component index based the percentage of impervious area in the watershed, calculated from the 2011 NLCD impervious surface dataset. | |
| H_I_IC_06 | 0 to 100 | Hyd Index - Impervious Cover; Hydrology component index based the percentage of impervious area in the watershed, calculated from the 2006 NLCD impervious surface dataset. | |
| H_I_IC_01 | 0 to 100 | Hyd Index - Impervious Cover; Hydrology component index based the percentage of impervious area in the watershed, calculated from the 2001 NLCD impervious surface dataset. | |
| H_I_WW | 0 to 100 | Hyd Index - Water Withdrawal; Hydrology component index based on the volume of reported water use (associated with DNR water use permits) from both surface and groundwater sources, as a proportion of the volume of available surface water from landscape runoff. | |
| H_H_WW_SC | enumerated | Hyd Highlight, Water Withdrawal, Special Condition; A categorical attribute that describes the condition preventing some catchments from having valid health scores for the H_I_WW index. | |
| too_small | There is water use permits within the catchment extent, but the upstream area is too small to accurately estimate discharge. | |
| outside_mn | Catchment falls outside of Minnesota, and we do not have water use data for those areas. | |
| H_I_LHS | 0 to 100 | Hyd Index - Loss of Hydrologic Storage; Hydrology component index based on the average of Altered Watercourse metric and Wetland Loss metric. | |
| H_M_LHS_WL | 0 to 100 | Hyd Metric - Loss of Hydrologic Storage, Wetland Loss; Based on the area of remaining presettlement surface water features normailized to the watershed area (includes hydric soils, representing wetlands, and open water). | |
| H_M_LHS_AW | 0 to 100 | Hyd Metric - Loss of Hydrologic Storage, Altered Watercourse; Based on the ratio of unaltered, meandering perennial stream miles, to total stream miles (altered + unaltered); indicates loss of channel storage. | |
| G_I_SEP | 0 to 100 | Geo Index - Soil Erosion Susceptibility; Based on the soil k-factor and 4 slope classes (providing scoring weights: 0-1% slope = 1x weight factor, 1-2% slope = 2x weight factor, 2-3% slope = 3x weight factor, >3% slope = 4x weight factor). | |
| G_I_PSNSM | 0 to 100 | Geo Index - Pollution Sensitivity of Near-Surface Materials; Based on the watershed mean of pollution sensitivity of near-surface materials data, valued on an ordinal basis (MN DNR County Geologic Atlas, 2016). | |
| G_H_PSNSM_SC | enumerated | Geomorphology Highlight, Pollution Sensitivity of Near-Surface Materials, Special Conditions; An explenatory attribute of the landscape condition preventing a pollution sensitivity score for the G_I_PSNSM index. | |
| Bedrock at or near surface | | |
| Disturbed lands | | |
| Peatlands | | |
| B_I_TH | 0 to 100 | Bio Index - Terrestrial Habitat Quality. Biology component index that ranks the quality of terrestrial habitats within each watershed. | |
| B_M_SSQ_FI | 0 to 100 | Bio Metric - Stream Species Quality, Fish IBI; Based on MPCA's stream biology assessments, Fishes Index of Biotic Integrity (IBI). | |
| B_M_SSQ_FX | 0 to 100 | Bio Index - Stream Species Quality, Fish IBI Extrapolated; Average of hydrologically adjacent catchment B_M_SSQ_FI health scores. | |
| B_M_SSQ_II | 0 to 100 | Bio Metric - Stream Species Quality, Invertebrate IBI; Based on MPCA's stream biology assessments, Aquatic Macroinvertebrate Index of Biotic Integrity (IBI). | |
| B_M_SSQ_IX | 0 to 100 | Bio Metric - Stream Species Quality, Invertebrate IBI Extrapolated; Average of hydrologically adjacent catchment B_M_SSQ_II health scores. | |
| B_M_SSQ_MS | 0 to 100 | Bio Metric - Stream Species Quality, Mussel Score; Based on the MNDNR's biologic assessment of mussel species. | |
| B_M_SSQ_MX | 0 to 100 | Bio Metric - Stream Species Quality, Mussel Score Extrapolated; Average of hydrologically adjacent catchment B_M_SSQ_MS health scores. | |
| C_I_RC | 0 to 100 | Con Index - Riparian Connectivity; Based on the proportion of stream riparian areas that are classified as developed or cultivated. | |
| C_I_AC | 0 to 100 | Con Index - Aquatic Connectivity; Based on the relative density of bridges, culverts, and dams normalized to the total stream length. | |
| W_I_PS | 0 to 100 | WQ Index - Localized Pollution Sources; An average of the localized pollution source metrics. | |
| W_M_PS_A | 0 to 100 | WQ Metric - Localized Pollution Sources, Animal Units; Based on the density of animal units normalized by the total watershed land area. | |
| W_M_PS_PC | 0 to 100 | WQ Metric - Localized Pollution Sources, Potential Conataminants; Based on the density of potential contaminants (subset of MPCAs, What's in my Neighborhood? database) normalized to total watershed land area. | |
| W_M_PS_SF | 0 to 100 | WQ Metric - Localized Pollution Sources, Superfund Sites; Based on the density of superfund sites normalized to total watershed land area. | |
| W_M_PS_WTP | 0 to 100 | WQ Metric - Localized Pollution Sources, Wastewater Treatment Plants; Based on the density of effluent discharged by water treatment plants. | |
| W_M_PS_SS | 0 to 100 | WQ Metric - Localized Pollution Sources, Septic Systems; Based on the density of domestic wells (wells are used as a proxy for identifying homes not serviced by municipal utilities). | |
| W_M_PS_OPM | 0 to 100 | WQ Metric - Localized Pollution Sources, Open Pit Mines; Based on the density of open pit mine area normalized to total watershed land area). | |
| W_M_NPS_PR | 0 to 100 | WQ Metric - Non-Point Source, Phosphorus Risk from Uplands; Based on estimate of phosphorus runoff risk, accounting for land cover type, soil erodibility, and topographic slope. | |
| W_M_WQA_AL | 0 to 100 | WQ Metric - Water Quality Assessments, Aquatic Life; Based on the percentage of MN Pollution Control Agency water quality assessed that were found to be impaired for aquatic life. | |
| W_M_WQA_AR | 0 to 100 | WQ Metric - Water Quality Assessments, Aquatic Recreation; Based on the percentage of MN Pollution Control Agency water quality assessed that were found to be impaired for aquatic recreation. | |
| W_M_WQA_AC | 0 to 100 | WQ Metric - Water Quality Assessments, Aquatic Consumption; Based on the percentage of MN Pollution Control Agency water quality assessed that were found to be impaired for aquatic consumption. | |
| A_AVG_GTS | 0 to 100 | Combined Score - Geomorphology Triage Score; This score is used within a targeted decision process for selecting sites for more detailed fluvial geomorphic assessments. This score is calculated by taking the average of 8 input index scores: B_M_SSQ_F, C_I_AC, C_I_RC, G_I_SSNS, H_I_PC_11, H_M_LHS_AW, and W_M_PS_A. | |
Major_Scores| Field Name | Valid Values | Definition | Definition Source |
|---|
| OBJECTID | 1 to 81 | Internal feature number. | ESRI |
| MAJOR | 1 to 81 | Major Watershed ID | |
| MAJNAME | - | Major Watershed Name | |
| HUC_4 | - | DNR Hydrologic Unit Level 2, 4 digit Administrative Watershed. | |
| HUC_8 | - | DNR Hydrologic Unit Level 4, 8 digit Administrative Watershed. | |
| H_I_MEAN | 0 to 100 | Hyd Index - Mean Index; Hydrology component mean score. This is the average of 5 hydrology indices: Hydrologic Storage, Imperviousness, Water Withdrawal, Perennial Cover, and Flow Variability. | |
| H_I_PC_16 | 0 to 100 | Hyd Index - Perennial Cover; Hydrology component index based on the amount of perennial cover on the landscape calculated from 2016 NLCD. | |
| H_I_PC_13 | 0 to 100 | Hyd Index - Perennial Cover; Hydrology component index based on the amount of perennial cover on the landscape calculated from 2013 NLCD. | |
| H_I_PC_11 | 0 to 100 | Hyd Index - Perennial Cover; Hydrology component index based on the amount of perennial cover on the landscape calculated from 2011 NLCD. | |
| H_I_PC_08 | 0 to 100 | Hyd Index - Perennial Cover; Hydrology component index based on the amount of perennial cover on the landscape calculated from 2008 NLCD. | |
| H_I_PC_06 | 0 to 100 | Hyd Index - Perennial Cover; Hydrology component index based on the amount of perennial cover on the landscape calculated from 2006 NLCD. | |
| H_I_PC_04 | 0 to 100 | Hyd Index - Perennial Cover; Hydrology component index based on the amount of perennial cover on the landscape calculated from 2004 NLCD. | |
| H_I_PC_01 | 0 to 100 | Hyd Index - Perennial Cover; Hydrology component index based on the amount of perennial cover on the landscape calculated from 2001 NLCD. | |
| H_I_IC_16 | 0 to 100 | Hyd Index - Impervious Cover; Hydrology component index based the percentage of impervious area in the watershed, calculated from the 2016 NLCD impervious surface dataset. | |
| H_I_IC_11 | 0 to 100 | Hyd Index - Impervious Cover; Hydrology component index based the percentage of impervious area in the watershed, calculated from the 2011 NLCD impervious surface dataset. | |
| H_I_IC_06 | 0 to 100 | Hyd Index - Impervious Cover; Hydrology component index based the percentage of impervious area in the watershed, calculated from the 2006 NLCD impervious surface dataset. | |
| H_I_IC_01 | 0 to 100 | Hyd Index - Impervious Cover; Hydrology component index based the percentage of impervious area in the watershed, calculated from the 2001 NLCD impervious surface dataset. | |
| H_I_WW | 0 to 100 | Hyd Index - Water Withdrawal; Hydrology component index based on the volume of reported water use (associated with DNR water use permits) from both surface and groundwater sources, as a proportion of the volume of available surface water from landscape runoff. | |
| H_I_FV | 0 to 100 | Hyd Index - Flow Variability; Hydrology component index based on the degree of deviation from expected stream flow patterns (based on historic stream gage records and indicators of hydrologic alterations (IHA)). | |
| H_ M_FV_MM | 0 to 100 | Hyd Metric - Flow Variability, Monthly Magnitude | |
| H_M_FV_RFC | 0 to 100 | Hyd Metric - Flow Variability, Rate and Frequency of Change | |
| H_M_FV_MDX | 0 to 100 | Hyd Metric - Flow Variability, Magn. and Duration of Annual Extremes | |
| H_M_FV_TX | 0 to 100 | Hyd Metric - Flow Variability, Timing of Annual Extremes | |
| H_M_FV_FDP | 0 to 100 | Hyd Metric - Flow Variability, Freq. and Dur. of High/Low Pulse | |
| H_I_LHS | 0 to 100 | Hyd Index - Loss of Hydrologic Storage; Hydrology component index based on the average of Altered Watercourse metric and Wetland Loss metric. | |
| H_M_LHS_WL | 0 to 100 | Hyd Metric - Loss of Hydrologic Storage, Wetland Loss metric. This metric is part of Loss of Hydrologic Storage Index and is based on the area of remaining presettlement surface water features normailized to the watershed area (includes hydric soils, representing wetlands, and open water). | |
| H_M_LHS_AW | 0 to 100 | Hyd Metric - Loss of Hydrologic Storage; Altered Watercourse metric. This metric is part of the Loss of Hydrologic Storage Index and is the ratio of unaltered, meandering perennial stream miles, to total stream miles (altered + unaltered); indicates loss of channel storage. | |
| G_I_MEAN | 0 to 100 | Geo Index - Mean Index; This is the average of 3 geomorphology indices: Soil Erodability, Groundwater Contamination Susceptibility, and Climate Vulnerability | |
| G_I_SEP | 0 to 100 | Geo Index - Soil Erosion Potential; Geomorphology component index, calculated based on the soil k-factor and 4 slope classes (providing scoring weights: 0-1% slope = 1x weight factor, 1-2% slope = 2x weight factor, 2-3% slope = 3x weight factor, >3% slope = 4x weight factor). | |
| G_I_PSNSM | 0 to 100 | Geo Index - Pollution Sensitivity of Near-Surface Materials; Geomorphology component index, based on the watershed mean of pollution sensitivity of near-surface materials data, valued on an ordinal basis (MN DNR County Geologic Atlas, 2016). | |
| G_H_PSNSM_SC | enumerated | Geomorphology Highlight, Pollution Sensitivity of Near-Surface Materials, Special Conditions; These field provides an explenation of the landscape condition preventing a pollution sensitivity score for the G_I_PSNSM index. | |
| Bedrock at or near surface | | |
| Disturbed lands | | |
| Peatlands | | |
| G_I_SSNS | 0 to 100 | Geo Index - Steep Slopes Near Streams; Based on the density of steep slopes that are located within a threshold distance of streams, normalized to total stream length. | |
| G_I CV | 0 to 100 | Geo Index - Climate Water Balance; Geomorphology component index based on the 30-year mean balance of precipitation and evapotranspiration. | |
| B_I_MEAN | 0 to 100 | Bio Index - Mean Index; Biology component mean score. This is the average of 5 biology indices: Terrestrial Habitat Quality Index, Species Richness Index, At-Risk Species Index, Stream Species Quality Index | |
| B_I_TH | 0 to 100 | Bio Index - Terrestrial Habitat Quality; Biology component index that ranks the quality of terrestrial habitats within each watershed. | |
| B_I_SR | 0 to 100 | Bio Index - Species Richness; Biology Component index based on ranking the richness (count) of species present in each watershed. Available species counts used are fish, aquatic macro invertebrates, mussels and birds. | |
| B_M_SR_I | 0 to 100 | Bio Metric - Species Richness, Invertebrate Richness | |
| B_M_SR_F | 0 to 100 | Bio Metric - Species Richness, Fish Richness | |
| B_M_SR_B | 0 to 100 | Bio Metric - Species Richness, Bird Richness | |
| B_M_SR_M | 0 to 100 | Bio Metric - Species Richness, Mussel Richness | |
| B_I_ARSR | 0 to 100 | Bio Index - At Risk Species Richness; Biology component index based on ranking the richness (count) of at-risk species present within each watershed. The more at-risk species, the higher the score. Available species counts used are fish, mussels and birds on the Species of Greatest Conservation Need list. | |
| B_M_ARSR_M | 0 to 100 | Bio Metric - At Risk Species Richness, Mussel Species | |
| B_M_ARSR_B | 0 to 100 | Bio Metric - At Risk Species Richness, Avian Species | |
| B_M_ARSR_F | 0 to 100 | Bio Metric - At Risk Species Richness, Fish Species | |
| B_I_SSQ | 0 to 100 | Bio Index - Stream Species Quality; Biology component index ranking stream species quality based on the mean of means for observed and expected (o/e) values for fish, o/e values for aquatic macro invertebrates; and percent of mussel species found live. | |
| B_M_SSQ_FS | 0 to 100 | Bio Metric - Stream Species Quality, Fish Survey | |
| B_M_SSQ_IS | 0 to 100 | Bio Metric - Stream Species Quality, Aquatic Invertebrates Survey | |
| B_M_SSQ_MS | 0 to 100 | Bio Metric - Stream Species Quality, Mussel Score | |
| C_I_MEAN | 0 to 100 | Con Index - Mean Index; Connectivity component index based on the average of 3 connectivity indices: Aquatic Connectivity Index, Riparian Connectivity Index, and Terrestrial Habitat Connectivity Index. | |
| C_I_TC | 0 to 100 | Con Index - Terrestrial Habitat Connectivity; Connectivity component index based on land area of terrestrial habitat patches and area of potential connections (corridors). | |
| C_I_RC | 0 to 100 | Con Index - Riparian Connectivity; Connectivity component index based on the amount of development or cropland within riparian zones. | |
| C_I_AC | 0 to 100 | Con Index - Aquatic Connectivity; Connectivity component index based on a density of aquatic disruptions per mile of stream length within each watershed. | |
| W_I_MEAN | 0 to 100 | WQ Index - Mean Index; This is the average of 3 water quality indices: Non-point Sources, Point Sources, and Water Quality Assessments | |
| W_I_PS | 0 to 100 | WQ Index - Localized Pollution Sources; WQ component index based on the mean of the following metrics: superfund sites, potential contaminants sites, feedlots, open mine pits, and waste water discharge permits (per watershed). | |
| W_I_NPS | 0 to 100 | WQ Index - Non-Point Sources; This is the average of the 2 metrics: impervious surface in riparian areas and application rates of agricultural chemicals. | |
| W_M_NPS_PR | 0 to 100 | WQ Metric - Non-Point Sources, Phosphorus Risk from Uplands | |
| W_M_NPS_UR | 0 to 100 | WQ Metric - Non-Point Sources, Upland Condition Risk | |
| W_M_NPS_CA | 0 to 100 | WQ Metric - Non-Point Sources, Riparian Condition Risk | |
| W_I_WQA | 0 to 100 | WQ Index - Water Quality Assessments; Based on the percentage of all MN Pollution Control Agency surface water quality assessed that were found to be impaired. | |
| W_M_WQA_AL | 0 to 100 | WQ Metric - Water Quality Assessments, Aquatic Life; Based on the percentage of MN Pollution Control Agency water quality assessed that were found to be impaired for aquatic life. | |
| W_M_WQA_AR | 0 to 100 | WQ Metric - Water Quality Assessments, Aquatic Recreation; Based on the percentage of MN Pollution Control Agency water quality assessed that were found to be impaired for aquatic recreation. | |
| W_M_WQA_AC | 0 to 100 | WQ Metric - Water Quality Assessments, Aquatic Consumption; Based on the percentage of MN Pollution Control Agency water quality assessed that were found to be impaired for aquatic consumption. | |
| A_I_MEAN | 0 to 100 | The mean of all five component mean scores. | |
