NCPDI Watershed Level
Data Dictionary
Note: Point and Nonpoint source estimates are EDA/CDA estimates. Upstream estimates are FDA estimates
| Column Header/Field Name | Description/Long Name | Format | Allow Nulls | Definitions/Contents | Units | Codes (Y/N) |
| EDACDA | EDASUBEDA Code | Char 5 | N | EDA/CDA/FDA Watershed Code | Y*** | |
| SUB_NAME | Sub-System Watershed Name | Char 55 | N | Sub-system Watershed Name | N | |
| EDACODE | 4-digit Watershed Code | Char 4 | N | 4-digit Watershed Code (no subsystems) | N | |
| EDA_NAME | Watershed Name | Char 50 | N | Watershed Name | N | |
| LANDSQMI | Land EDA/CDA Area | Num 8 | Y | Land EDA/CDA Area (sqmi) | sqmi | N |
| WATRSQMI | Water EDA/CDA Area | Num 8 | Y | Water EDA/CDA Area (sqmi) | sqmi | N |
| REGION | Region Code | Char 1 | N | Region Code in CAF | Y | |
| P_NUMFAC | Point Sources-Number of Facilities | Num8 | Y | Point Sources-Number of Facilities | number | N |
| P_FLOPRO | Point Sources-Process Flow (MG/y) | Num8 | Y | Point Sources-Process Flow (MG/y) | MG | N |
| P_BODANN | Point Sources-BOD (lbs/y) | Num8 | Y | Point Sources-BOD (lbs/y) | lbs | N |
| P_TSSANN | Point Sources-TSS (lbs/y) | Num8 | Y | Point Sources-TSS (lbs/y) | lbs | N |
| P_NANN | Point Sources-TN (lbs/y) | Num8 | Y | Point Sources-TN (lbs/y) | lbs | N |
| P_ORGANN | Point Sources-Org-N (lbs/y) | Num8 | Y | Point Sources-Org-N (lbs/y) | lbs | N |
| P_AMMANN | Point Sources-NH4-N (lbs/y) | Num8 | Y | Point Sources-NH4-N (lbs/y) | lbs | N |
| P_NO2ANN | Point Sources-NO2-N (lbs/y) | Num8 | Y | Point Sources-NO2-N (lbs/y) | lbs | N |
| P_NO3ANN | Point Sources-NO3-N (lbs/y) | Num8 | Y | Point Sources-NO3-N (lbs/y) | lbs | N |
| P_PANN | Point Sources-TP (lbs/y) | Num8 | Y | Point Sources-TP (lbs/y) | lbs | N |
| P_ASANN | Point Sources-Arsenic (lbs/y) | Num8 | Y | Point Sources-Arsenic (lbs/y) | lbs | N |
| P_CDANN | Point Sources-Cadmium (lbs/y) | Num8 | Y | Point Sources-Cadmium (lbs/y) | lbs | N |
| P_CRANN | Point Sources-Chromium (lbs/y) | Num8 | Y | Point Sources-Chromium (lbs/y) | lbs | N |
| P_CUANN | Point Sources-Copper (lbs/y) | Num8 | Y | Point Sources-Copper (lbs/y) | lbs | N |
| P_FEANN | Point Sources-Iron (lbs/y) | Num8 | Y | Point Sources-Iron (lbs/y) | lbs | N |
| P_HGANN | Point Sources-Mercury (lbs/y) | Num8 | Y | Point Sources-Mercury (lbs/y) | lbs | N |
| P_PBANN | Point Sources-Lead (lbs/y) | Num8 | Y | Point Sources-Lead (lbs/y) | lbs | N |
| P_ZNANN | Point Sources-Zinc (lbs/y) | Num8 | Y | Point Sources-Zinc (lbs/y) | lbs | N |
| P_OGANN | Point Sources-Oil&Grease (lbs/y) | Num8 | Y | Point Sources-Oil&Grease (lbs/y) | lbs | N |
| P_FCBANN | Point Sources-FCB (cells/y) | Num8 | Y | Point Sources-FCB (cells/y) | cells | N |
| N_URBFLO | Nonpoint Sources-Urban Flow (MG/y) | Num8 | Y | Nonpoint Sources-Urban Flow (MG/y) | MG | N |
| N_URBBOD | Nonpoint Sources-Urban BOD (lbs/y) | Num8 | Y | Nonpoint Sources-Urban BOD (lbs/y) | lbs | N |
| N_URBTSS | Nonpoint Sources-Urban TSS (lbs/y) | Num8 | Y | Nonpoint Sources-Urban TSS (lbs/y) | lbs | N |
| N_URBTN | Nonpoint Sources-Urban TN (lbs/y) | Num8 | Y | Nonpoint Sources-Urban TN (lbs/y) | lbs | N |
| N_URBTP | Nonpoint Sources-Urban TP (lbs/y) | Num8 | Y | Nonpoint Sources-Urban TP (lbs/y) | lbs | N |
| N_URBAS | Nonpoint Sources-Urban As (lbs/y) | Num8 | Y | Nonpoint Sources-Urban As (lbs/y) | lbs | N |
| N_URBCD | Nonpoint Sources-Urban Cd (lbs/y) | Num8 | Y | Nonpoint Sources-Urban Cd (lbs/y) | lbs | N |
| N_URBCR | Nonpoint Sources-Urban Cr (lbs/y) | Num8 | Y | Nonpoint Sources-Urban Cr (lbs/y) | lbs | N |
| N_URBCU | Nonpoint Sources-Urban Cu (lbs/y) | Num8 | Y | Nonpoint Sources-Urban Cu (lbs/y) | lbs | N |
| N_URBFE | Nonpoint Sources-Urban Fe (lbs/y) | Num8 | Y | Nonpoint Sources-Urban Fe (lbs/y) | lbs | N |
| N_URBHG | Nonpoint Sources-Urban Hg (lbs/y) | Num8 | Y | Nonpoint Sources-Urban Hg (lbs/y) | lbs | N |
| N_URBPB | Nonpoint Sources-Urban Pb (lbs/y) | Num8 | Y | Nonpoint Sources-Urban Pb (lbs/y) | lbs | N |
| N_URBZN | Nonpoint Sources-Urban Zn (lbs/y) | Num8 | Y | Nonpoint Sources-Urban Zn (lbs/y) | lbs | N |
| N_URBOIL | Nonpoint Sources-Urban OG (lbs/y) | Num8 | Y | Nonpoint Sources-Urban OG (lbs/y) | lbs | N |
| N_URBFCB | Nonpoint Sources-Urban FCB (cells/y | Num8 | Y | Nonpoint Sources-Urban FCB (cells/y | cells | N |
| N_CRPFLO | Nonpoint Sources-Cropland Flow (MG/y) | Num8 | Y | Nonpoint Sources-Cropland Flow (MG/y) | MG | N |
| N_CRPBOD | Nonpoint Sources-Cropland BOD (lbs/y) | Num8 | Y | Nonpoint Sources-Cropland BOD (lbs/y) | lbs | N |
| N_CRPTSS | Nonpoint Sources-Cropland TSS (lbs/y) | Num8 | Y | Nonpoint Sources-Cropland TSS (lbs/y) | lbs | N |
| N_CRPTN | Nonpoint Sources-Cropland TN (lbs/y) | Num8 | Y | Nonpoint Sources-Cropland TN (lbs/y) | lbs | N |
| N_CRPTP | Nonpoint Sources-Cropland TP (lbs/y) | Num8 | Y | Nonpoint Sources-Cropland TP (lbs/y) | lbs | N |
| N_CRPAS | Nonpoint Sources-Cropland As (lbs/y) | Num8 | Y | Nonpoint Sources-Cropland As (lbs/y) | lbs | N |
| N_CRPCD | Nonpoint Sources-Cropland Cd (lbs/y) | Num8 | Y | Nonpoint Sources-Cropland Cd (lbs/y) | lbs | N |
| N_CRPCR | Nonpoint Sources-Cropland Cr (lbs/y) | Num8 | Y | Nonpoint Sources-Cropland Cr (lbs/y) | lbs | N |
| N_CRPCU | Nonpoint Sources-Cropland Cu (lbs/y) | Num8 | Y | Nonpoint Sources-Cropland Cu (lbs/y) | lbs | N |
| N_CRPFE | Nonpoint Sources-Cropland Fe (lbs/y) | Num8 | Y | Nonpoint Sources-Cropland Fe (lbs/y) | lbs | N |
| N_CRPHG | Nonpoint Sources-Cropland Hg (lbs/y) | Num8 | Y | Nonpoint Sources-Cropland Hg (lbs/y) | lbs | N |
| N_CRPPB | Nonpoint Sources-Cropland Pb (lbs/y) | Num8 | Y | Nonpoint Sources-Cropland Pb (lbs/y) | lbs | N |
| N_CRPZN | Nonpoint Sources-Cropland Zn (lbs/y) | Num8 | Y | Nonpoint Sources-Cropland Zn (lbs/y) | lbs | N |
| N_CRPOIL | Nonpoint Sources-Cropland OG (lbs/y) | Num8 | Y | Nonpoint Sources-Cropland OG (lbs/y) | lbs | N |
| N_CRPFCB | Nonpoint Sources-Cropland FCB (cells/y) | Num8 | Y | Nonpoint Sources-Cropland FCB (cells/y) | lbs | N |
| N_PRFLO | Nonpoint Sources-Past/Rang Flow (MG/y) | Num8 | Y | Nonpoint Sources-Past/Rang Flow (MG/y) | lbs | N |
| N_PRBOD | Nonpoint Sources-Past/Rang BOD (lbs/y) | Num8 | Y | Nonpoint Sources-Past/Rang BOD (lbs/y) | lbs | N |
| N_PRTSS | Nonpoint Sources-Past/Rang TSS (lbs/y) | Num8 | Y | Nonpoint Sources-Past/Rang TSS (lbs/y) | lbs | N |
| N_PRTN | Nonpoint Sources-Past/Rang TN (lbs/y) | Num8 | Y | Nonpoint Sources-Past/Rang TN (lbs/y) | lbs | N |
| N_PRTP | Nonpoint Sources-Past/Rang TP (lbs/y) | Num8 | Y | Nonpoint Sources-Past/Rang TP (lbs/y) | lbs | N |
| N_PRAS | Nonpoint Sources-Past/Rang As (lbs/y) | Num8 | Y | Nonpoint Sources-Past/Rang As (lbs/y) | lbs | N |
| N_PRCD | Nonpoint Sources-Past/Rang Cd (lbs/y) | Num8 | Y | Nonpoint Sources-Past/Rang Cd (lbs/y) | lbs | N |
| N_PRCR | Nonpoint Sources-Past/Rang Cr (lbs/y) | Num8 | Y | Nonpoint Sources-Past/Rang Cr (lbs/y) | lbs | N |
| N_PRCU | Nonpoint Sources-Past/Rang Cu (lbs/y) | Num8 | Y | Nonpoint Sources-Past/Rang Cu (lbs/y) | lbs | N |
| N_PRFE | Nonpoint Sources-Past/Rang Fe (lbs/y) | Num8 | Y | Nonpoint Sources-Past/Rang Fe (lbs/y) | lbs | N |
| N_PRHG | Nonpoint Sources-Past/Rang Hg (lbs/y) | Num8 | Y | Nonpoint Sources-Past/Rang Hg (lbs/y) | lbs | N |
| N_PRPB | Nonpoint Sources-Past/Rang Pb (lbs/y) | Num8 | Y | Nonpoint Sources-Past/Rang Pb (lbs/y) | lbs | N |
| N_PRZN | Nonpoint Sources-Past/Rang Zn (lbs/y) | Num8 | Y | Nonpoint Sources-Past/Rang Zn (lbs/y) | lbs | N |
| N_PROIL | Nonpoint Sources-Past/Rang OG (lbs/y) | Num8 | Y | Nonpoint Sources-Past/Rang OG (lbs/y) | lbs | N |
| N_PRFCB | Nonpoint Sources-Past/Rang FCB (cells/y) | Num8 | Y | Nonpoint Sources-Past/Rang FCB (cells/y) | cells | N |
| N_FORFLO | Nonpoint Sources-Forest Flow (MG/y) | Num8 | Y | Nonpoint Sources-Forest Flow (MG/y) | MG | N |
| N_FORBOD | Nonpoint Sources-Forest BOD (lbs/y) | Num8 | Y | Nonpoint Sources-Forest BOD (lbs/y) | lbs | N |
| N_FORTSS | Nonpoint Sources-Forest TSS (lbs/y) | Num8 | Y | Nonpoint Sources-Forest TSS (lbs/y) | lbs | N |
| N_FORTN | Nonpoint Sources-Forest TN (lbs/y) | Num8 | Y | Nonpoint Sources-Forest TN (lbs/y) | lbs | N |
| N_FORTP | Nonpoint Sources-Forest TP (lbs/y) | Num8 | Y | Nonpoint Sources-Forest TP (lbs/y) | lbs | N |
| N_FORAS | Nonpoint Sources-Forest As (lbs/y) | Num8 | Y | Nonpoint Sources-Forest As (lbs/y) | lbs | N |
| N_FORCD | Nonpoint Sources-Forest Cd (lbs/y) | Num8 | Y | Nonpoint Sources-Forest Cd (lbs/y) | lbs | N |
| N_FORCR | Nonpoint Sources-Forest Cr (lbs/y) | Num8 | Y | Nonpoint Sources-Forest Cr (lbs/y) | lbs | N |
| N_FORCU | Nonpoint Sources-Forest Cu (lbs/y) | Num8 | Y | Nonpoint Sources-Forest Cu (lbs/y) | lbs | N |
| N_FORFE | Nonpoint Sources-Forest Fe (lbs/y) | Num8 | Y | Nonpoint Sources-Forest Fe (lbs/y) | lbs | N |
| N_FORHG | Nonpoint Sources-Forest Hg (lbs/y) | Num8 | Y | Nonpoint Sources-Forest Hg (lbs/y) | lbs | N |
| N_FORPB | Nonpoint Sources-Forest Pb (lbs/y) | Num8 | Y | Nonpoint Sources-Forest Pb (lbs/y) | lbs | N |
| N_FORZN | Nonpoint Sources-Forest Zn (lbs/y) | Num8 | Y | Nonpoint Sources-Forest Zn (lbs/y) | lbs | N |
| N_FOROIL | Nonpoint Sources-Forest OG (lbs/y) | Num8 | Y | Nonpoint Sources-Forest OG (lbs/y) | lbs | N |
| N_FORFCB | Nonpoint Sources-Forest FCB (cells/y) | Num8 | Y | Nonpoint Sources-Forest FCB (cells/y) | cells | N |
| U_FLOWLT | Upstream Sources-Long Term Flow (MG/y) | Num8 | Y | Upstream Sources-Long Term Flow (MG/y) | MG | N |
| U_FLOANN | Upstream Sources-Flow (MG/y) | Num8 | Y | Upstream Sources-Flow (MG/y) | MG | N |
| U_SSANN | Upstream Sources-Susp. Solids (lbs/y) | Num8 | Y | Upstream Sources-Susp. Solids (lbs/y) | lbs | N |
| U_DSANN | Upstream Sources-Diss. Solids (lbs/y) | Num8 | Y | Upstream Sources-Diss. Solids (lbs/y) | lbs | N |
| U_TSSANN | Upstream Sources-TSS (lbs/y) | Num8 | Y | Upstream Sources-TSS (lbs/y) | lbs | N |
| U_TNANN | Upstream Sources-TN (lbs/y) | Num8 | Y | Upstream Sources-TN (lbs/y) | lbs | N |
| U_ORGANN | Upstream Sources-Org-N (lbs/y) | Num8 | Y | Upstream Sources-Org-N (lbs/y) | lbs | N |
| U_N23ANN | Upstream Sources-NO2-N+NO3-N (lbs/y) | Num8 | Y | Upstream Sources-NO2-N+NO3-N (lbs/y) | lbs | N |
| U_NH4ANN | Upstream Sources-NH4-N (lbs/y) | Num8 | Y | Upstream Sources-NH4-N (lbs/y) | lbs | N |
| U_TPANN | Upstream Sources-TP (lbs/y) | Num8 | Y | Upstream Sources-TP (lbs/y) | lbs | N |
| U_AGANN | Upstream Sources-Ag (lbs/y) | Num8 | Y | Upstream Sources-Ag (lbs/y) | lbs | N |
| U_ASANN | Upstream Sources-As (lbs/y) | Num8 | Y | Upstream Sources-As (lbs/y) | lbs | N |
| U_CDANN | Upstream Sources-Cd (lbs/y) | Num8 | Y | Upstream Sources-Cd (lbs/y) | lbs | N |
| U_CRANN | Upstream Sources-Cr (lbs/y) | Num8 | Y | Upstream Sources-Cr (lbs/y) | lbs | N |
| U_CUANN | Upstream Sources-Cu (lbs/y) | Num8 | Y | Upstream Sources-Cu (lbs/y) | lbs | N |
| U_FEANN | Upstream Sources-Fe (lbs/y) | Num8 | Y | Upstream Sources-Fe (lbs/y) | lbs | N |
| U_HGANN | Upstream Sources-Hg (lbs/y) | Num8 | Y | Upstream Sources-Hg (lbs/y) | lbs | N |
| U_NIANN | Upstream Sources-Ni (lbs/y) | Num8 | Y | Upstream Sources-Ni (lbs/y) | lbs | N |
| U_PBANN | Upstream Sources-Pb (lbs/y) | Num8 | Y | Upstream Sources-Pb (lbs/y) | lbs | N |
| U_ZNANN | Upstream Sources-Zn (lbs/y) | Num8 | Y | Upstream Sources-Zn (lbs/y) | lbs | N |
| T_FLOW | Total Watershed Estimate-Flow (MG/y) | Num8 | Y | Total Watershed Estimate-Flow (MG/y) | MG | N |
| T_TSS | Total Watershed Estimate-TSS (lbs/y) | Num8 | Y | Total Watershed Estimate-TSS (lbs/y) | lbs | N |
| T_TN | Total Watershed Estimate-TN (lbs/y) | Num8 | Y | Total Watershed Estimate-TN (lbs/y) | lbs | N |
| T_TP | Total Watershed Estimate-TP (lbs/y) | Num8 | Y | Total Watershed Estimate-TP (lbs/y) | lbs | N |
| T_AS | Total Watershed Estimate-As (lbs/y) | Num8 | Y | Total Watershed Estimate-As (lbs/y) | lbs | N |
| T_CD | Total Watershed Estimate-Cd (lbs/y) | Num8 | Y | Total Watershed Estimate-Cd (lbs/y) | lbs | N |
| T_CR | Total Watershed Estimate-Cr (lbs/y) | Num8 | Y | Total Watershed Estimate-Cr (lbs/y) | lbs | N |
| T_CU | Total Watershed Estimate-Cu (lbs/y) | Num8 | Y | Total Watershed Estimate-Cu (lbs/y) | lbs | N |
| T_FE | Total Watershed Estimate-Fe (lbs/y) | Num8 | Y | Total Watershed Estimate-Fe (lbs/y) | lbs | N |
| T_HG | Total Watershed Estimate-Hg (lbs/y) | Num8 | Y | Total Watershed Estimate-Hg (lbs/y) | lbs | N |
| T_PB | Total Watershed Estimate-Pb (lbs/y) | Num8 | Y | Total Watershed Estimate-Pb (lbs/y) | lbs | N |
| T_ZN | Total Watershed Estimate-Zn (lbs/y) | Num8 | Y | Total Watershed Estimate-Zn (lbs/y) | lbs | N |
| ** | Refer to reference table "huc_ref.txt" |
| *** | Refer to reference table "eda_ref.txt" and/or CAF geography |
| **** | Refer to reference table "fips_ref.txt" |
 |
Revised
December 13, 2007
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