# # File created on 2024-05-17 21:03:23 EDT # # U.S. Geological Survey # # This file contains selected water-quality data for stations in the National Water # Information System water-quality database. Explanation of codes found in this file are # followed by the retrieved data. # # The data you have secured from the USGS NWISWeb database may include data that have # not received Director's approval and as such are provisional and subject to revision. # The data are released on the condition that neither the USGS nor the United States # Government may be held liable for any damages resulting from its authorized or # unauthorized use. # # To view additional data-quality attributes, output the results using these options: # one result per row, expanded attributes. Additional precautions are at: # https://help.waterdata.usgs.gov/tutorials/water-quality-data/help-using-the-water-quality-data-retrieval-system#Data_retrievals_precautions # # agency_cd - Agency Code # site_no - USGS site number # sample_dt - Begin date # sample_tm - Begin time # sample_end_dt - End date # sample_end_tm - End time # sample_start_time_datum_cd - Time datum # tm_datum_rlbty_cd - Time datum reliability code # coll_ent_cd - Agency Collecting Sample Code # medium_cd - Sample Medium Code # tu_id - Taxonomic unit code # body_part_id - Body part code # parm_cd - Parameter code # remark_cd - Remark code # result_va - Parameter value # val_qual_tx - Result value qualifier code # meth_cd - Method code # dqi_cd - Data-quality indicator code # rpt_lev_va - Reporting level # rpt_lev_cd - Reporting level type # lab_std_va - Lab standard deviation # anl_ent_cd - Analyzing entity code # # The following parameters are included: # 01005 - Barium, water, filtered, micrograms per liter # 01025 - Cadmium, water, filtered, micrograms per liter # 01030 - Chromium, water, filtered, micrograms per liter # 01046 - Iron, water, filtered, micrograms per liter # 01049 - Lead, water, filtered, micrograms per liter # 01056 - Manganese, water, filtered, micrograms per liter # 01080 - Strontium, water, filtered, micrograms per liter # 01085 - Vanadium, water, filtered, micrograms per liter # 01106 - Aluminum, water, filtered, micrograms per liter # 01130 - Lithium, water, filtered, micrograms per liter # # Description of sample_start_time_datum_cd: # PST - Pacific Standard Time # # Description of tm_datum_rlbty_cd: # K - Known # # Description of coll_ent_cd and anl_ent_cd: # USGS-WRD - U.S. Geological Survey-Water Resources Discipline # USGSNWQL - USGS-National Water Quality Lab, Denver, CO # # Description of medium_cd: # WS - Surface water # # Description of tu_id: # https://www.itis.gov/ # # Description of body_part_id: # # Description of remark_cd: # # Description of val_qual_tx: # n - below the reporting level but at or above the detection level # # Description of meth_cd: # PLA11 - Metals, wf, ICP-AES (NWQL) # PLM10 - Elements, wf, cICP-MS # PLM40 - Metals, water, ICP-MS (NWQL) # PLM43 - Metals, wf, ICP-MS # # Description of dqi_cd: # R - Reviewed and approved # # Description of rpt_lev_cd: # DLBLK - Detection limit by Blank Data # DLDQC - Detection limit by DQCALC # # Data for the following sites are included: # USGS 11092450 LOS ANGELES R A SEPULVEDA DAM CA # agency_cd site_no sample_dt sample_tm sample_end_dt sample_end_tm sample_start_time_datum_cd tm_datum_rlbty_cd coll_ent_cd medium_cd tu_id body_part_id parm_cd remark_cd result_va val_qual_tx meth_cd dqi_cd rpt_lev_va rpt_lev_cd lab_std_va anl_ent_cd 5s 15s 10d 5d 10d 5d 3s 1s 8s 3s 11s 11s 5s 1s 12s 5s 5s 1s 12s 6s 11s 8s USGS 11092450 2021-03-02 11:30 PST K USGS-WRD WS 01005 19.9 PLA11 R 0.6 DLDQC USGSNWQL USGS 11092450 2021-03-02 11:30 PST K USGS-WRD WS 01025 0.623 PLM43 R 0.03 DLBLK USGSNWQL USGS 11092450 2021-03-02 11:30 PST K USGS-WRD WS 01030 0.92 n PLM10 R 0.5 DLBLK USGSNWQL USGS 11092450 2021-03-02 11:30 PST K USGS-WRD WS 01046 30.5 PLA11 R 5 DLDQC USGSNWQL USGS 11092450 2021-03-02 11:30 PST K USGS-WRD WS 01049 0.170 PLM43 R 0.02 DLBLK USGSNWQL USGS 11092450 2021-03-02 11:30 PST K USGS-WRD WS 01056 15.8 PLA11 R 0.2 DLDQC USGSNWQL USGS 11092450 2021-03-02 11:30 PST K USGS-WRD WS 01080 355 PLA11 R 0.4 DLDQC USGSNWQL USGS 11092450 2021-03-02 11:30 PST K USGS-WRD WS 01085 2.2 PLM10 R 0.1 DLBLK USGSNWQL USGS 11092450 2021-03-02 11:30 PST K USGS-WRD WS 01106 7 PLM10 R 3 DLBLK USGSNWQL USGS 11092450 2021-03-02 11:30 PST K USGS-WRD WS 01130 21.1 PLM40 R 0.15 DLBLK USGSNWQL