2014 Final Integrated Report - Idaho DEQ §305B Streams and Lakes
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Description
Citation
Information used to reference the data.
Title: 2014 Final Integrated Report - Idaho DEQ §305B Streams and Lakes
Originators: Jim Szpara, Idaho DEQ, SR GIS Administrator
Series name: Idaho §305B Streams
Series identification: 2
Publisher: Idaho Department of Environmental Quality
Publication place: 1410 North Hilton, Boise, Idaho, 83706
Publication date: 20150331
Edition: 2014 Report Cycle - Integrated Report
Data type: document
Other citation details:
Assessment Unit IDs Linear Referenced to NHDPlus ver 2.2 using the Hydrography Event Management Tool (HEM) http://www.epa.gov/waters/ir/attains_q_and_a.html
Larger Work Citation
Title: Idaho Water Quality Standards
Edition: 2
Description
A characterization of the data, including its intended use and limitations.
Abstract:
Sections 305(b) and 314 of the Clean Water Act (CWA) require states, territories, and authorized tribes to provide biennial reports to EPA on the condition of waters within their boundaries. EPA regulations at 40 CFR 130.7 require states to provide biennial submissions of impaired waters lists. EPA provides guidance on these reports in a way that supports the Agency's strategy for achieving a broad-scale, national inventory of water quality conditions. The guidance is from EPA to states, territories, authorized tribes, and interstate commissions ("jurisdictions") to help states prepare and submit Section 305(b) reports to EPA. Use of the integrated report (IR) format provides jurisdictions a recommended reporting format and suggested content to be used in developing a single document that integrates the reporting requirements of Sections 303(d), 305(b), and 314. This format allows jurisdictions to report on the water quality standards attained for all waters, document the availability of data and information for each segment, identify certain trends in water quality conditions, and set priorities for protecting and restoring the health of the nation's aquatic resources. Section 305(b) of the Clean Water Act requires each state to conduct water quality surveys to determine a water body's overall health, including whether or not basic uses are being met. States, tribes, and other jurisdictions define appropriate uses for a waterbody and incorporate these uses into water quality standards that are approved by EPA. Water body uses include aquatic life protection, fish and shellfish production, drinking water supply, swimming, boating, fishing, and agricultural irrigation, among others.
Purpose:
Every two years, DEQ is required by the federal Clean Water Act to conduct a comprehensive analysis of Idaho's water bodies to determine whether they meet state water quality standards and support beneficial uses or if additional pollution controls are needed. This analysis is summarized in Idaho's Integrated Report from data derived from Idaho 305(b) Streams/Lakes, and DEQ's ADB (Assessment Database). The Clean Water Act protects and preserves water quality in the United States by protecting the uses designated for specific waterbodies. The results of the 305(b) assessments are not raw data but rather statements of the degree to which each water body supports the uses designated in state or tribal water quality standards. For example, two rivers may have the exact same chemical and physical makeup, but one of the rivers may be considered as impaired because of different water quality standards
Supplemental information:
The geospatial data sets included in NHDPlusV2 are intended to support a variety of water-related applications. They already have been used in an application to develop estimates of mean annual streamflow and velocity for each NHDFlowline feature in the conterminous United States. The results of these analyses are included with the NHDPlusV2 data. A water-quality model developed by the U.S. Geological Survey (USGS) called SPARROW (Spatially Referenced Regressions on Watershed Attributes), can utilize the NHDPlusV2 network functionality to track the downstream transport of nutrients, sediments, or other substances. NHDPlusV2 water bodies and estimates of streamflow and velocity are used in SPARROW to identify reservoir retention and in-stream loss factors. NHDPlusV2 climatic and land surface attributes can be used in SPARROW to identify potential factors in the delivery of nutrients from the land surface to streams. NHDPlusV2 data is also being used in select areas for a USGS Web-based application, called StreamStats. StreamStats provides tools to interactively select any point in the implemented areas, delineate watersheds, and to obtain streamflow and watershed characteristics for the selected point. NHDPlusV2 has been designed to accommodate many users' needs for future applications. NHDPlusV2 provides the framework and tools necessary to customize the behavior of the network relationships as well as building upon the attribute database, for which the user can assign their own data to the network.</purpose> For more information, refer to the NHDPlusV2 Users Guide. http://www.horizon-systems.com/NHDPlus/index.php
Dataset credit:
Idaho DEQ, Research Triangle Institute (RTI), EPA-NHDPlus V 2 2017
Point Of Contact
Contact information for the individual or organization that is knowledgeable about the data.
Organization: Idaho DEQ
Person: Jason Willians
Position: Federal Reporting Coordinator
Phone: 208 373-0502
Email: Jason.Williamss@deq.idaho.gov
Hours of service: 8:00 - 5:00 PM
Address type: mailing and physical
Address:
1410 N Hilton
City: Boise
State or Province: Idaho
Postal code: 83706
Point Of Contact
Contact information for the individual or organization that is knowledgeable about the data.
Organization: Idaho DEQ
Person: Jim Szpara
Position: SR GIS Administrator
Phone: 208 373-0502
Email: jim.szpara@deq.idaho.gov
Hours of service: 8:00 - 5:00
Address type: physical
Address:
1410 North Hilton
City: Boise
State or Province: Idaho
Postal code: 83706
Point Of Contact
Contact information for the individual or organization that is knowledgeable about the data.
Organization: Idaho DEQ
Person: Jason Williams
Position: Federal Reporting Coordinator
Phone: 208 373-0502
Email: Jason Williams@deq.idaho.gov
Hours of service: 8:00 - 5:00 PM
Address type: mailing and physical
Address:
1410 N Hilton
City: Boise
State or Province: Idaho
Postal code: 83706
County: US
Data Type
How the data are represented, formatted and maintained by the data producing organization.
Data type: document
Native dataset environment: Microsoft Windows 7 Version 6.1 (Build 7601) Service Pack 1; Esri ArcGIS 10.4.1.5686
Time Period of Data
Time period(s) for which the data corresponds to the currentness reference.
Beginning date: 20020401
Ending date: 20150324
Currentness reference:
The State of Idaho.
Status
The state of and maintenance information for the data.
Data status: Complete
Update frequency: As needed
Key Words
Words or phrases that summarize certain aspects of the data.
Theme:
Keywords: society, environment, inlandWaters, geoscientificInformation, Integrated Report, AU's, WBAG, BURP, 305B, Streams, NHD, Canal/Ditch, ADB, Water quality Standards, Assessment Units, Swamp/Marsh, Stream/River, NHDPlus, Clean Water Act, Beneficial Uses, 303D, Impaired Waters
Theme:
Keywords: society, environment, inlandWaters, geoscientificInformation, Integrated Report, AU's, WBAG, BURP, 305B, Streams, NHD, Canal/Ditch, ADB, Water quality Standards, Assessment Units, Swamp/Marsh, Stream/River, NHDPlus, Clean Water Act, Beneficial Uses, 303D, Impaired Waters
Data Access Constraints
Restrictions and legal prerequisites for accessing or using the data after access is granted.
Access constraints:
None
Use constraints:
Scale of NHD (1:100,000), Time PeriodIdaho DEQ 305B Streams and Lakes do not represent a complete data set of hydrography for the State of Idaho, for a complete listing please refer to the USGS 24K-National Hydrography Dataset (NHD), or contact the Idaho Dept. of Water Resources.Restriction of Liability: Neither the State of Idaho nor the Idaho Department of Environmental Quality, nor any of their employees make any warranty, express or implied, or assume any legal liability or responsibility for the accuracy, completeness or usefulness of any information or data provided. Metadata is provided for all data sets, and no data should be used without first reading and understanding its limitations. The data could include technical inaccuracies or typographical errors. The Department of Environmental Quality may update, modify, or revise the data used at any time, without notice.
Spatial Reference Information
Horizontal Coordinate System
Reference system from which linear or angular quantities are measured and assigned to the position that a point occupies.
Coordinate System Details
Map projection
Scale factor at central meridian: 0.9996
Longitude of central meridian: -114.0
Latitude of projection origin: 42.0
False easting: 2500000.0
False northing: 1200000.0
Planar Coordinate Information
Planar coordinate encoding method: coordinate pair
Coordinate representation:
Abscissa resolution: 0.0001
Ordinate resolution: 0.0001
Planar distance units: meter
Geodetic model
Horizontal datum name: D North American 1983
Ellipsoid name: GRS 1980
Semi-major axis: 6378137.0
Denominator of flattening ratio: 298.257222101
Spatial Domain
The geographic areal domain of the data that describes the western, eastern, northern, and southern geographic limits of data coverage.
Bounding Coordinates
In Unprojected coordinates (geographic)
Boundary Coordinate
West -117.530943 (longitude)
East -110.665396 (longitude)
North 49.039490 (latitude)
South 41.929950 (latitude)
Data Structure and Attribute Information
Overview
Summary of the information content of the data, including other references to complete descriptions of entity types, attributes, and attribute values for the data.
Direct spatial reference method: Vector
Attributes of IDEQ_2014_305B_STREAMS
Detailed descriptions of entity type, attributes, and attribute values for the data.
Description:
Idaho 305b Stream Segments, Assessment Unit ID's, Waterbody ID's
Source:
WBAG - Idaho Dept of Environmental Quality
Attributes
STREAM
Definition:
USGS Stream Name, GNIS
Attribute measurement frequency: 009
Attribute definition source:
USGS, EPA, NHDPLUS
ATTR_VAL
Definition:
The Idaho WBID is a geo-referenced network of Idaho water bodies based on a combination of two hydrography scales: 1:100,000 and 1:250,000. Water bodies are coded according to a 1:250,000 hydrography and named based on a1:100,000 hydrography. Some water bodies were combined or split based on land use considerations. Canals (unless they follow a natural channel), stock ponds, and tailing ponds are not coded in the system. The numbering or coding system of the WBID is based on the USGS cataloging units in Idaho. USGS developed hydrologic unit codes (HUCs) as a national standard for water resources planning and data management. In the WBID, each cataloging unit (4th field HUC or 8-digit code) is numbered starting at the pour point. Figure 2-3 provides an example of the WBID system for HUCs.
Attribute measurement frequency: 009
Attribute definition source:
IDEQ
TYPE
Definition:
NHD Feature Type (consolidates Canal Types into one type.
Attribute measurement frequency: 011
Attribute definition source:
IDEQ
SCODE
Definition:
Numeric codes for various feature attributes in the NHDFCode lookup table
Attribute measurement frequency: 011
Attribute values: 55800 Artificial Path 33600 Canal Ditch 33601 Canal Ditch: Canal Ditch Type = Aqueduct 33603 Canal Ditch: Canal Ditch Type = Stormwater 33400 Connector 46000 Stream/River 46003 Stream/River: Hydrographic Category = Intermittent 46006 Stream/River: Hydrographic Category = Perennial 46007 Stream/River: Hydrographic Category = Ephemeral 42803 Pipeline: Pipeline Type = Aqueduct; Relationship to Surface = Underground
Attribute definition source:
NHDPlus
DEQ_ADM
Definition:
Idaho DEQ Regional Offices areas of responsibility
Attribute definition source:
IDEQ
ATTR_PRG
Definition:
Identifier for Idaho 305(b) Streams
Attribute measurement frequency: 009
Attribute definition source:
IDEQ
CATEGORY4B
Definition:
Category 4b: Waters that have pollution control requirements in place, other than a TMDL, and are expected to meet standards within a reasonable period of time.
Attribute definition source:
Clean Water Act
CATEGORY2
Definition:
Category 2 waters fully support those beneficial uses that have been assessed. The use attainment of the remaining beneficial uses has not been determined due to insufficient data (or no data) and information.
Attribute measurement frequency: 007
Attribute definition source:
Clean Water Act
CATEGORY3
Definition:
Category 3: Waters of the State with Insufficient Data and Information to Determine if Any Standards are Attained
Attribute measurement frequency: 007
Attribute definition source:
Clean Water Act
CATEGORY1
Definition:
Category 1: Waters of the State Wholly within Designated Wilderness or Inventoried Roadless Area Where Standards are Presumed to be Attained
Attribute measurement frequency: 007
Attribute definition source:
Clean Water Act
HUCCODE
Definition:
Hydrologic Cataloging Unit (8 digit HUC) Historic HUC Code derrived from the Assessment Unit ID
Attribute definition source:
IDEQ, USGS
HUCNAME
Definition:
Hydrologic Cataloging Unit (Subbasn Name)
Attribute definition source:
USGS
WATERBODY
Definition:
Waterbody Name or description as identified in Idaho DEQ Water Quality Standards: http://adminrules.idaho.gov/rules/current/58/0102.pdf
Attribute definition source:
Idaho DEQ Waterbody ID, Designated Uses, Water Quality Standards
WB_NAME
Definition:
Assessment Unit Name or description, identified in DEQ's ADB Database.
Attribute definition source:
IDEQ
CYCLE
Definition:
§ 305B Integrated Report , Reporting Cycle 2014
Attribute measurement frequency: 007
Attribute definition source:
Idaho DEQ Water Quality Dept.
Shape
Definition:
Feature geometry.
Attribute values: Coordinates defining the features.
Attribute definition source:
Esri
DEQ_DATE
Definition:
Date GIS Feature Class Was processed with ADB./
Attribute measurement frequency: 009
Attribute definition source:
ADB
BASIN
Definition:
Hydrologic sub-region (4 digit HUC NAME)
Attribute definition source:
USGS
STRAHLER
Definition:
The procedure is to stratify each WBID water body using land use and stream order criteria. DEQ uses the Strahler (Strahler 1957) method at the 1:100,000 scale to determine stream order.
Attribute measurement frequency: 009
Attribute definition source:
NHDPlus ver 2.2
ENTITY_ID
Definition:
The Assessment Unit Id is stratified by Strahler Stream Order, DEQ combines first and second order streams with similar land uses. For land use, DEQ uses GIS capabilities and local knowledge to determine locations of land use and sources relative to stream segments. Presently, the most detailed and available information is the National Land Cover Data, which ncludes information regarding developed land, forested areas, and different agricultural uses. DEQ combines the first and second stream orders to improve the manageability of the stratification procedure since there are over 100,000 miles of streams in Idaho.
Attribute measurement frequency: 009
Attribute definition source:
IDEQ
ReachCode
Definition:
Unique identifierfor a ‘reach’.The first eight numbers are the WBD_HUC8. The next six numbers are randomly assigned, sequential numbers that are unique within a HUC8, 14 char value.
Attribute measurement frequency: 011
Attribute definition source:
NHDPlus v 2.2
ReachResolution
Definition:
Always “Medium” Indicates 1:100,000 National Hydrography Data
Attribute measurement frequency: 011
Attribute definition source:
NHDPlus
OBJECTID
Definition:
Internal feature number.
Attribute values: Sequential unique whole numbers that are automatically generated.
Attribute definition source:
Esri
SUPTYPE
Definition:
ArcGIS Support Status Sub Type Code
Attribute measurement frequency: 007
Attribute domain values
Value Definition
3
Not Supporting
Definition Source:
Waterbody has been assesed
1
Fully Supporting
Definition Source:
Waterbody meets water quality standards for its beneficial uses
2
Not Assessed
Definition Source:
Waterbody has not been assessed
Attribute definition source:
ADB Water Quality Database Support Status
STATE
Definition:
State of Idaho
Attribute measurement frequency: 011
Attribute definition source:
IDEQ
CATEGORY4C
Definition:
Category 4c: Water bodies impaired by pollution (e.g., flow alteration and habitat alteration) but not pollutants. According to EPA, water bodies impaired by pollution do not require development of a TMDL.
Attribute measurement frequency: 007
Attribute definition source:
Clean Water Act
CATEGORY5
Definition:
Category 5: Waters of the State for Which a TMDL is Needed Impaired water bodies that do not meet applicable water quality standards for one or more beneficial uses by one or more pollutants are placed in Category 5. Category 5 is a streamlined §303(d) list that excludes waters that have an EPA-approved TMDL (Category 4a), waters addressed by other pollution control measures (Category 4b), and waters impaired by pollution (Category 4c), such as flow alteration or habitat modification. Waters can only be removed from Category 5 by having either an EPA-approved TMDL or EPA approval to remove based on good cause.
Attribute measurement frequency: 007
Attribute definition source:
Clean Water Act
HUC4CODE
Definition:
USGS 4th Field HUC Code, or Subbasin Code, Hydrologic Cataloging Unit (8 digit HUC)
Attribute definition source:
USGS WATERBODIES
SUPPORT
Definition:
Water Quality Support Status, As reported
Attribute domain values
Value Definition
Not Supporting
Waterbody doesn't meet water quality standards for its beneficial uses.
Definition Source:
ADB - Water Quality Database/ Assessments
Not Assessed
Waterbody has not been Assessed
Definition Source:
ADB - Water Quality Monitoring Database
Fully Supporting
Waterbody is Fully Supporting, meeting Waterquality Standards for its Beneficial Uses
Definition Source:
Waterbody Assessment Guide Version 3
Attribute definition source:
ADB, Water Quality Assessments
SType
Definition:
NHD Feature Type description
Attribute measurement frequency: 011
Attribute definition source:
NHDPlus ver 2.2
COMID
Definition:
Unique value for for the collection of features that share a reach code, i.e. a “reach”.
Attribute measurement frequency: 009
Attribute definition source:
NHDPlus Ver 2.2
CATEGORY4A
Definition:
Category 4 water bodies are grouped into one of three subcategories: Category 4a: TMDL completed and approved by EPA.

TMDL- A Total Maximum Daily Load (TMDL) is a regulatory term in the U.S. Clean Water Act, describing a plan for restoring impaired waters that identifies the maximum amount of a pollutant that a body of water can receive while still meeting water quality standards.
Attribute measurement frequency: 009
Attribute definition source:
Clean Water Act
CATEGORY
Definition:
Displays the classification of all state waters into at least one of five different categories. Following the category lists is a list of assessment unit-cause combinations approved by EPA .
Attribute measurement frequency: 007
Attribute definition source:
Clean Water Act - Integrated Report
STRMILES
Definition:
Stream segment mileage, calculated by GIS
Attribute definition source:
GIS Derived
MERCURY
Definition:
Waterbodies impaired by Mercury
Attribute measurement frequency: 009
Attribute definition source:
idaho DEQ Water Quality Program
WEBLINK
Definition:
Idaho DEQ web Link to the ADB Status Report, used internally within ArcMap.
Attribute definition source:
Idaho DEQ
Shape_Length
Definition:
Length of feature in internal units.
Attribute values: Positive real numbers that are automatically generated.
Attribute definition source:
Esri
SDTS Feature Description
Description of point and vector spatial objects in the data using the Spatial Data Transfer Standards (SDTS) terminology.
Spatial data transfer standard (SDTS) terms
Feature class
Type: String
Count: 75381
Data Quality and Accuracy Information
General
Information about the fidelity of relationships, data quality and accuracy tests, omissions, selection criteria, generalization, and definitions used to derive the data.
Logical consistency report:
Complete for the State of Idaho's Watersheds.
Data Source and Process Information
Data Sources
Information about the source data used to construct or derive the data.
Data source information
Data Source 1
Media: None
Source contribution:
http://www.horizon-systems.com/NHDPlus/NHDPlusV2_data.php NHD Plus Ver 2 Data
Data Source 2
Map scale denominator: 100000
Media: onLine
Source contribution:
NHDPlus is a suite of geospatial products that are derived from static snapshots of the National Hydrography Dataset (NHD) stream network (1:100,000-scale), Watershed Boundary Dataset (WBD) hydrologic units (12-digit), and National Elevation Dataset (NED) topography (30m) through a sophisticated data integration process. The NHD, WBD and NED are all maintained through USGS National Geospatial Program (NGP) led stewardship programs involving states and federal agencies. The derived components of NHDPlus are updated using the latest versions of the NHD, WBD and NED on a periodic basis, as determined by programmatic priorities and resources. For example, the production of NHDPlus Version 2 was largely driven by USGS Water Program requirements for improved regional water quality modeling capabilities. USGS Water and the EPA Office of Water worked together to update the NHD in preparation for NHDPlus Version 2 and, also, shared the cost for producing it.
Data Distribution Information
Standard Order Process
Common ways in which data may be obtained.
Digital form:
Format name: Download Shapefile
Digital transfer option:
Online option:
Computer information:
Metadata Reference
Metadata Date
Dates associated with creating, updating and reviewing the metadata.
Last updated: 20170605
Future metadata review date: 20170101
Metadata Point of Contact
Contact information for the individual or organization responsible for the metadata information.
Organization: Idaho DEQ
Person: Jason Williams
Position: Federal Reporting Coordinating Officer
Phone: 208 373-0502
Email: Jason.Williams@deq.idaho.gov
Hours of service: 8:00 - 5:00 PM MST
Address type: mailing and physical
Address:
1410 N Hilton
City: Boise
State or Province: Idaho
Postal code: 83706
Metadata Access Constraints
Restrictions and legal prerequisites for accessing or using the data after access is granted.
Use constraints:
Restriction of Liability: Neither the State of Idaho nor the Idaho Department of Environmental Quality, nor any of their employees make any warranty, express or implied, or assume any legal liability or responsibility for the accuracy, completeness or usefulness of any information or data provided. Metadata is provided for all data sets, and no data should be used without first reading and understanding its limitations. The data could include technical inaccuracies or typographical errors. The Department of Environmental Quality may update, modify, or revise the data used at any time, without notice.
Metadata Standards
Description of the metadata standard used to document the data and reference to any additional extended profiles to the standard used by the metadata producer.
Standard name: FGDC Content Standard for Digital Geospatial Metadata
Standard version: FGDC-STD-001-1998
Time convention: local time
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Stylesheet: FGDC Plus Stylesheet
File name: FGDC Plus.xsl
Version: 2.0
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