20250522
09572500
1.0
ISO 19139 Metadata Implementation Specification
FALSE
CAT1B_STREAMS_DEQ_2022
369875.543400
713473.777800
3648338.010700
4031010.312000
1
002
Projected
GCS_North_American_1983
Linear Unit: Meter (1.000000)
NAD_1983_UTM_Zone_15N
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20260319
11592600
20260319
11592600
150000000
5000
ItemDescription
2022 303(d) - 1B Streams
The purpose of this dataset is to provide a cartographic representation of the streams on the Impaired Waterbodies 303(d) list in Category 1B. Additional information can be found Part IV of the 2022 Integrated Water Quality Monitoring and Assessment Report (305(b)).
<DIV STYLE="text-align:Left;"><DIV><DIV><P><SPAN>This data includes streams of Arkansas that have been assessed as Impaired Waterbodies and have completed TMDLs (Total Maximum Daily Loads) for the listed pollutant pair(s) (Category 1b). It consists of a subset of the streams from the National Hydrography Dataset (NHD) High Resolution (1:24,000) Waterbody. Category 1b is described as follows: Category 1b is a subcategory within the CWA listing process, specifically for waters that have achieved their water quality standards but still have a TMDL in place for certain pollutants. This might be the case where a TMDL was developed and implemented, leading to water quality improvements that meet the standards, but the TMDL is kept on the record as a protective measure or to ensure continued attainment. </SPAN></P></DIV></DIV></DIV>
TMDL
2022 303(d)
water
streams
<DIV STYLE="text-align:Left;"><DIV><DIV><P><SPAN>The dataset included in this file is intended for mapping purposes only. The official record for the 2022 Impaired Waterbodies (303(d) list) can be found at the following URL: https://www.adeq.state.ar.us/water/</SPAN></P></DIV></DIV></DIV>
Esri ArcGIS 13.5.2.57366
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0.000000
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36.424292
32.952518
CAT1B_STREAMS_DEQ_2022
Feature Class
0
OBJECTID
objectid
OID
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Internal feature number.
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Sequential unique whole numbers that are automatically generated.
Shape
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Geometry
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Feature geometry.
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Coordinates defining the features.
FDate
fdate
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0
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resolution
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gnis_name
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lengthkm
Double
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flowdir
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FType
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FCode
fcode
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Miles
miles
Double
8
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Stream_Nam
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AU
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WS_SQMI
ws_sqmi
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CHNLSTAT
chnlstat
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listing_cat
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copper_acute
copper_acute
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copper_chronic
copper_chronic
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turbidity_storm_flow
turbidity_storm_flow
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temperature
temperature
String
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total_dissolved_solids_site_spe
total_dissolved_solids_site_specific
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total_dissolved_solids
total_dissolved_solids
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acute_ammonia
acute_ammonia
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chronic_ammonia_els_absent
chronic_ammonia_els_absent
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chronic_ammonia_els_present
chronic_ammonia_els_present
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nitrate
nitrate
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chloride
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chloride_site_specific
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turbidity_base_flow
turbidity_base_flow
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primary_season_do
primary_season_do
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zinc_acute
zinc_acute
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zinc_chronic
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p_h_st_continuous
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total_phosphorous
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primary_contact_e_coli
primary_contact_e_coli
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secondary_contact_e_coli
secondary_contact_e_coli
String
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do_trout_waters
do_trout_waters
String
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st_length(shape)
st_length(shape)
Double
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0
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Enterprise Geodatabase Feature Class
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20260319