#
# File created on 2024-06-08 18:17:08 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:
#  00680  - Organic carbon, water, unfiltered, milligrams per liter
#  00681  - Organic carbon, water, filtered, milligrams per liter
#  00689  - Organic carbon, suspended sediment, total, milligrams per liter
#  39250  - Polychlorinated naphthalenes, water, unfiltered, recoverable, micrograms per liter
#  39251  - Polychlorinated naphthalenes, bed sediment, recoverable, dry weight, micrograms per kilogram
#  49289  - Lipids, biota, whole organism, wet weight, recoverable, percent
#
# Description of sample_start_time_datum_cd:
# EST  - Eastern Standard Time
# EDT  - Eastern Daylight Time
#
# Description of tm_datum_rlbty_cd:
# T  - Transferred
#
# Description of coll_ent_cd and anl_ent_cd:
# USGS-WRD  - U.S. Geological Survey-Water Resources Discipline
#
# Description of medium_cd:
# BA  - Animal tissue
# WS  - Surface water
#
# Description of tu_id:
# https://www.itis.gov/
#
# Description of body_part_id:
# 59  - Organism, whole
#
# Description of remark_cd:
# <  - Less than
#
# Description of val_qual_tx:
#
# Description of meth_cd:
# GCE18  - Pest, oc, tis, lab, GC-ECD
# OX007  - DOC, 0.45u silver, persulfate IR
# OX011  - SOC, 0.45u silver, wet oxidation
#
# Description of dqi_cd:
# A  - Historical data
#
# Description of rpt_lev_cd:
#
# Data for the following sites are included:
#  USGS 02049500 BLACKWATER RIVER NEAR FRANKLIN, VA
#
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	02049500	1974-11-19	12:30			EST	T		WS			00680		16.0			A				
USGS	02049500	1974-12-17	11:00			EST	T		WS			00680		16.0			A				
USGS	02049500	1975-01-21	11:00			EST	T		WS			00680		14.0			A				
USGS	02049500	1975-02-13	10:30			EST	T		WS			00680		8.9			A				
USGS	02049500	1975-03-13	11:30			EDT	T		WS			00680		9.5			A				
USGS	02049500	1975-06-05	10:30			EDT	T		WS			00680		12.0			A				
USGS	02049500	1975-09-25	11:30			EDT	T	USGS-WRD	WS			00680		17.0			A				
USGS	02049500	1975-12-18	12:30			EST	T	USGS-WRD	WS			00680		9.8			A				
USGS	02049500	1976-03-12	11:00			EST	T		WS			00680		11.0			A				
USGS	02049500	1976-06-04	11:30			EDT	T		WS			00680		7.3			A				
USGS	02049500	1976-09-23	13:00			EDT	T		WS			00680		10.0			A				
USGS	02049500	1977-06-23	10:45			EDT	T		WS			00680		5.4			A				
USGS	02049500	1977-09-13	10:30			EDT	T		WS			00680		7.1			A				
USGS	02049500	1977-10-25	10:45			EDT	T		WS			00680		9.7			A				
USGS	02049500	1977-11-08	10:15			EST	T	USGS-WRD	WS			00680		24.0			A				
USGS	02049500	1977-12-15	10:55			EST	T		WS			00681		21.0			A				
USGS	02049500	1977-12-15	10:55			EST	T		WS			00689		0.2			A				
USGS	02049500	1978-01-24	10:45			EST	T		WS			00680		7.4			A				
USGS	02049500	1978-02-14	10:30			EST	T	USGS-WRD	WS			00680		13.0			A				
USGS	02049500	1978-03-14	11:00			EST	T		WS			00681		8.9			A				
USGS	02049500	1978-03-14	11:00			EST	T		WS			00689		2.7			A				
USGS	02049500	1978-06-21	09:45			EDT	T		WS			00681		9.6			A				
USGS	02049500	1978-06-21	09:45			EDT	T		WS			00689		0.6			A				
USGS	02049500	1978-07-28	10:00			EDT	T	USGS-WRD	WS			00680		8.3			A				
USGS	02049500	1978-08-16	10:00			EDT	T	USGS-WRD	WS			00680		19.0			A				
USGS	02049500	1978-09-20	09:45			EDT	T	USGS-WRD	WS			00681		17.0			A				
USGS	02049500	1978-09-20	09:45			EDT	T	USGS-WRD	WS			00689		0.7			A				
USGS	02049500	1978-10-24	11:15			EDT	T	USGS-WRD	WS			00680		8.2			A				
USGS	02049500	1978-11-29	10:30			EST	T	USGS-WRD	WS			00680		10.0			A				
USGS	02049500	1978-12-19	09:30			EST	T	USGS-WRD	WS			00681		13.0			A				
USGS	02049500	1978-12-19	09:30			EST	T	USGS-WRD	WS			00689		0.5			A				
USGS	02049500	1979-01-31	09:30			EST	T	USGS-WRD	WS			00680		9.5			A				
USGS	02049500	1979-03-28	09:30			EST	T	USGS-WRD	WS			00681		9.1			A				
USGS	02049500	1979-03-28	09:30			EST	T	USGS-WRD	WS			00689		0.4			A				
USGS	02049500	1979-04-24	09:45			EST	T	USGS-WRD	WS			00680		12.0			A				
USGS	02049500	1979-05-22	10:00			EDT	T	USGS-WRD	WS			00680		14.0			A				
USGS	02049500	1979-06-19	10:30			EDT	T	USGS-WRD	WS			00681		11.0			A				
USGS	02049500	1979-06-19	10:30			EDT	T	USGS-WRD	WS			00689		0.4			A				
USGS	02049500	1979-07-17	10:00			EDT	T	USGS-WRD	WS			00680		8.3			A				
USGS	02049500	1979-08-23	10:30			EDT	T	USGS-WRD	WS			00680		11.0			A				
USGS	02049500	1979-10-09	11:00			EDT	T	USGS-WRD	WS			00680		14.0			A				
USGS	02049500	1979-11-06	10:00			EST	T	USGS-WRD	WS			00680		16.0			A				
USGS	02049500	1979-11-06	10:00			EST	T	USGS-WRD	WS			00681		15.0			A				
USGS	02049500	1979-11-06	10:00			EST	T	USGS-WRD	WS			00689		0.7			A				
USGS	02049500	1979-12-04	10:00			EST	T	USGS-WRD	WS			00680		9.4			A				
USGS	02049500	1980-01-16	10:00			EST	T	USGS-WRD	WS			00680		9.0			A				
USGS	02049500	1980-02-12	10:00			EST	T	USGS-WRD	WS			00680		4.4			A				
USGS	02049500	1980-03-11	09:30			EST	T	USGS-WRD	WS			00680		6.0			A				
USGS	02049500	1980-04-23	10:00			EST	T	USGS-WRD	WS			00680		4.4			A				
USGS	02049500	1980-05-06	14:15			EDT	T	USGS-WRD	WS			00680		8.6			A				
USGS	02049500	1980-05-06	14:15			EDT	T	USGS-WRD	WS			00681		8.0			A				
USGS	02049500	1980-05-06	14:15			EDT	T	USGS-WRD	WS			00689		0.6			A				
USGS	02049500	1980-06-05	11:00			EDT	T	USGS-WRD	WS			00680		8.5			A				
USGS	02049500	1980-07-01	14:00			EDT	T	USGS-WRD	WS			00680		10.0			A				
USGS	02049500	1980-08-13	12:00			EDT	T	USGS-WRD	WS			00680		13.0			A				
USGS	02049500	1980-08-13	12:00			EDT	T	USGS-WRD	WS			00681		11.0			A				
USGS	02049500	1980-08-13	12:00			EDT	T	USGS-WRD	WS			00689		1.7			A				
USGS	02049500	1980-09-09	13:45			EDT	T	USGS-WRD	WS			00680		12.0			A				
USGS	02049500	1980-10-03	11:30			EDT	T	USGS-WRD	WS			00680		9.9			A				
USGS	02049500	1980-11-04	12:00			EST	T	USGS-WRD	WS			00681		7.4			A				
USGS	02049500	1980-11-04	12:00			EST	T	USGS-WRD	WS			00689		0.6			A				
USGS	02049500	1980-12-11	09:30			EST	T	USGS-WRD	WS			00680		5.7			A				
USGS	02049500	1981-01-13	12:00			EST	T	USGS-WRD	WS			00680		7.4			A				
USGS	02049500	1981-02-04	10:00			EST	T	USGS-WRD	WS			00681		19.0			A				
USGS	02049500	1981-03-03	10:30			EST	T	USGS-WRD	WS			00680		8.0			A				
USGS	02049500	1981-04-07	09:30			EST	T	USGS-WRD	WS			00680		10.0			A				
USGS	02049500	1981-05-05	09:00			EDT	T	USGS-WRD	WS			00681		16.0			A				
USGS	02049500	1981-05-05	09:00			EDT	T	USGS-WRD	WS			00689		1.3			A				
USGS	02049500	1981-06-02	10:30			EDT	T	USGS-WRD	WS			00680		20.0			A				
USGS	02049500	1981-07-08	10:15			EDT	T	USGS-WRD	WS			00680		21.0			A				
USGS	02049500	1981-08-12	10:00			EDT	T	USGS-WRD	WS			00681		12.0			A				
USGS	02049500	1981-09-08	09:30			EDT	T	USGS-WRD	WS			00680		11.0			A				
USGS	02049500	1981-11-04	09:15			EST	T	USGS-WRD	WS			39251	<	1			A				
USGS	02049500	1982-03-16	09:15			EST	T	USGS-WRD	WS			39250	<	0.1			A				
USGS	02049500	1982-05-18	10:30			EDT	T	USGS-WRD	WS			39250	<	0.1			A				
USGS	02049500	1982-05-18	10:30			EDT	T	USGS-WRD	WS			39251	<	1			A				
USGS	02049500	1993-03-18	10:30			EST	T	USGS-WRD	WS			00681		9.5		OX007	A				
USGS	02049500	1993-03-18	10:30			EST	T	USGS-WRD	WS			00689		0.2		OX011	A				
USGS	02049500	1993-04-22	12:30			EDT	T	USGS-WRD	WS			00681		13.0		OX007	A				
USGS	02049500	1993-04-22	12:30			EDT	T	USGS-WRD	WS			00689		0.3		OX011	A				
USGS	02049500	1993-05-18	11:00			EDT	T	USGS-WRD	WS			00681		12.0		OX007	A				
USGS	02049500	1993-05-18	11:00			EDT	T	USGS-WRD	WS			00689		1.3		OX011	A				
USGS	02049500	1993-06-17	10:30			EDT	T	USGS-WRD	WS			00681		13.0		OX007	A				
USGS	02049500	1993-06-17	10:30			EDT	T	USGS-WRD	WS			00689		0.6		OX011	A				
USGS	02049500	1993-07-21	10:30			EDT	T	USGS-WRD	WS			00681		12.0		OX007	A				
USGS	02049500	1993-07-21	10:30			EDT	T	USGS-WRD	WS			00689		2.0		OX011	A				
USGS	02049500	1993-09-15	10:00			EDT	T	USGS-WRD	WS			00681		10.0		OX007	A				
USGS	02049500	1993-09-15	10:00			EDT	T	USGS-WRD	WS			00689		0.1		OX011	A				
USGS	02049500	1993-10-14	09:30			EDT	T	USGS-WRD	WS			00681		7.6		OX007	A				
USGS	02049500	1993-10-14	09:30			EDT	T	USGS-WRD	WS			00689		0.8		OX011	A				
USGS	02049500	1993-11-05	12:15			EST	T	USGS-WRD	BA	168131	59	49289		2.2		GCE18	A				
USGS	02049500	1993-11-10	09:30			EST	T	USGS-WRD	WS			00681		7.1		OX007	A				
USGS	02049500	1993-11-10	09:30			EST	T	USGS-WRD	WS			00689		0.4		OX011	A				
USGS	02049500	1993-12-03	12:00			EST	T	USGS-WRD	WS			00681		7.4		OX007	A				
USGS	02049500	1993-12-03	12:00			EST	T	USGS-WRD	WS			00689		0.3		OX011	A				
USGS	02049500	1994-01-06	11:30			EST	T	USGS-WRD	WS			00681		7.7		OX007	A				
USGS	02049500	1994-01-06	11:30			EST	T	USGS-WRD	WS			00689		0.2		OX011	A				
USGS	02049500	1994-02-16	15:00			EST	T	USGS-WRD	WS			00681		7.9		OX007	A				
USGS	02049500	1994-02-16	15:00			EST	T	USGS-WRD	WS			00689		0.3		OX011	A				
USGS	02049500	1994-03-24	10:30			EST	T	USGS-WRD	WS			00681		9.8		OX007	A				
USGS	02049500	1994-03-24	10:30			EST	T	USGS-WRD	WS			00689		0.3		OX011	A				
USGS	02049500	1994-04-14	10:30			EDT	T	USGS-WRD	WS			00681		14.0		OX007	A				
USGS	02049500	1994-04-14	10:30			EDT	T	USGS-WRD	WS			00689		1.3		OX011	A				
USGS	02049500	1994-05-11	10:30			EDT	T	USGS-WRD	WS			00681		17.0		OX007	A				
USGS	02049500	1994-05-11	10:30			EDT	T	USGS-WRD	WS			00689		0.3		OX011	A				
USGS	02049500	1994-06-15	09:30			EDT	T	USGS-WRD	WS			00681		15.0		OX007	A				
USGS	02049500	1994-06-15	09:30			EDT	T	USGS-WRD	WS			00689		0.4		OX011	A				
USGS	02049500	1994-07-18	12:00			EDT	T	USGS-WRD	WS			00681		11.0		OX007	A				
USGS	02049500	1994-07-18	12:00			EDT	T	USGS-WRD	WS			00689		1.0		OX011	A				
USGS	02049500	1994-08-18	12:00			EDT	T	USGS-WRD	WS			00681		14.0		OX007	A				
USGS	02049500	1994-08-18	12:00			EDT	T	USGS-WRD	WS			00689		0.7		OX011	A				
USGS	02049500	1994-09-15	11:00			EDT	T	USGS-WRD	WS			00681		15.0		OX007	A				
USGS	02049500	1994-09-15	11:00			EDT	T	USGS-WRD	WS			00689		0.8		OX011	A				
USGS	02049500	1994-10-20	12:00			EDT	T	USGS-WRD	WS			00681		12.0		OX007	A				
USGS	02049500	1994-10-20	12:00			EDT	T	USGS-WRD	WS			00689		0.5		OX011	A				
USGS	02049500	1994-12-12	14:00			EST	T	USGS-WRD	WS			00681		16.0		OX007	A				
USGS	02049500	1994-12-12	14:00			EST	T	USGS-WRD	WS			00689		0.5		OX011	A				
USGS	02049500	1995-01-18	12:45			EST	T	USGS-WRD	WS			00681		12.0		OX007	A				
USGS	02049500	1995-01-18	12:45			EST	T	USGS-WRD	WS			00689		0.5		OX011	A				
USGS	02049500	1995-02-23	11:45			EST	T	USGS-WRD	WS			00681		8.4		OX007	A				
USGS	02049500	1995-05-23	12:15			EDT	T	USGS-WRD	WS			00681		17.0		OX007	A				
USGS	02049500	1995-05-23	12:15			EDT	T	USGS-WRD	WS			00689		0.2		OX011	A				
USGS	02049500	1996-06-13	10:00			EDT	T	USGS-WRD	WS			00681		13.0		OX007	A				
USGS	02049500	1996-06-13	10:00			EDT	T	USGS-WRD	WS			00689		4.0		OX011	A				
USGS	02049500	1996-08-20	11:00			EDT	T	USGS-WRD	WS			00681		18.0		OX007	A				
USGS	02049500	1996-08-20	11:00			EDT	T	USGS-WRD	WS			00689		0.8		OX011	A				
USGS	02049500	1996-09-26	09:00			EDT	T	USGS-WRD	WS			00681		17.0		OX007	A				
USGS	02049500	1996-09-26	09:00			EDT	T	USGS-WRD	WS			00689		0.9		OX011	A