20211020 11331500 1.0 FGDC 002 150000000 500000 20230915 13434225 editor:esri.dijit.metadata.editor FGDC CSDGM Metadata false TRUE <DIV STYLE="text-align:Left;"><DIV><DIV><P><SPAN>The United States Fish &amp; Wildlife Service (USFWS) National Wild Fish Health Survey Database (NWFHSDb) has been available to the public since September 2001. The database contains data on pathogen occurrence in free-ranging (wild) populations of fish. This data is collected via the National Wild Fish Health Survey, initiated in 1996 as a collaborative effort among natural resource agencies. The survey is maintained and managed by the seven USFWS National Fish Health Centers. The database is part of an effort to create an information system that will be a valuable tool for the management, protection, and recovery of aquatic ecosystems. The NWFHSDb consists of two distinct components: an internal database maintained and utilized by the Fish Health Centers for entering, tracking, and reporting data, and this publicly accessible web layer. Data from each Fish Health Center is available on this layer for display and download. The NWFHSDb displays pathogen distribution information and is based on the spatial data generated by the Fish Health Centers. The NWFHSDb itself is a geographic information system (GIS) designed to be accessed via a web browser. It offers users the ability to obtain maps of NWFHS data based on user-defined queries. Individual case reports are available for each record and search results may be downloaded in several formats for further analysis. This database contains the National Wild Fish Health Survey from 1996 to 2020. Majority of data in this feature layer was recorded and stored prior to the implementation of the Laboratory information systems (LIMS) database on October 1, 2018.</SPAN></P></DIV></DIV></DIV> National Wild Fish Health Survey Database Pre-Laboratory Information Systems 1996-2020 2022-03-31T00:00:00 vector digital data vector digital data U.S. Fish and Wildlife Service 5275 Leesburg Pike Falls Church VA 22041-3803 US -176.238997 -64.020248 68.89703 18.476128 1 1996-04-17T00:00:00 2020-11-02T00:00:00 The geographic extent of the National Wild Fish Health Survey database 1996-2020. Dr. Joel Bader U.S. Fish and Wildlife Service National Coordinator for Aquatic Animal Health, Aquaculture, and Technology joel_bader@fws.gov 5275 Leesburg Pike Falls Church VA 22041-3803 US 703-358-2019 National Wild Fish Health SurveyNWFHSbiotaenvironmenthealthUnited StatesU.S. Fish and Wildlife ServiceUSFWSFish and Aquatic Conservation ProgramFAC National Wild Fish Health Survey biota environment health ISO 19115 Topic Categories 2022-03-31T15:49:28.797-05:00 The United States Fish & Wildlife Service (USFWS) National Wild Fish Health Survey Database (NWFHSDb) has been available to the public since September 2001. The database contains data on pathogen occurrence in free-ranging (wild) populations of fish summarized by Hydrologic Unit Code (HUC) 8-digit watershed related to a case number table for referencing specific lab information. U.S. Fish and Wildlife Service <div style='text-align:Left;'><p>Survey Assumptions and Limitations on Data Use: The National Wild Fish Health Survey (Survey) is performed under certain assumptions and pathogen test results carry certain limitations of use that need to be understood before drawing conclusions from the information maintained in the database. Important topics related to these assumptions and limitations are discussed below. Use of Data: Every effort has been made to provide accurate and complete data, but keep in mind the following caveat: The USFWS shall not be held liable for improper or incorrect use of the data described and/or contained herein. These data are not legal documents and are not intended to be used as such. The information contained in the database is dynamic and changes over time. It is the responsibility of the data user to use the data appropriately and consistently within the limits of the data. Conclusions drawn from use of this data are the user's responsibility. The USFWS provides no warranty, expressed or implied, as to the accuracy, reliability, or completeness of the data. Although these data have been processed successfully on a computer system at the U.S. Fish and Wildlife Service, no warranty expressed or implied is made regarding the utility of the data on another system or for general or scientific purposes, nor shall the act of distribution constitute any such warranty. This disclaimer applies both to individual use of the data and consolidated use with other data. Collection of Fish and Tissue Samples from Target Populations: The term &quot;wild fish&quot; in the title of this Survey is used in a broad sense. In most cases, fish are collected from free-ranging and generally self-sustaining populations considered to be wild or feral. Both native and non-native or introduced species are sampled. Additionally, populations maintained by stocking or periodic supplementation with hatchery-reared fish are sampled when those fish have been living in the natural environment for a considerable period of time. Fish and associated tissue samples are collected by the Service network of regional Fish Health Centers or by cooperating partners knowledgeable of Survey protocols and procedures. Survey partners include other Federal resource agencies, State agencies, natural resource departments of Native American Nations, and several non-governmental entities involved with managing or monitoring free-ranging fish. In some instances, Service Fish Health Center personnel either lead or assisted in the collection of fish and tissue samples and in other instances these operations are performed entirely by the Survey partner. The Service necessarily assumes that for collections outside its direct control fish were properly identified, sample locations were accurately recorded, and tissue samples were collected according to approved standard methods. Sampling Design and Limitations on Statistical Inferences: Users of the database should exercise caution when attempting to make inferences from Survey results because many requirements and assumptions of rigorous statistical analyses are not met with the present sampling design. Much of Survey sampling is considered opportunistic and often coincides with specific partner needs and/or objectives. Those needs may or may not satisfy sampling assumptions for calculating various statistical estimates from test results. It is also important to note that the Survey is not presently based on a nation-wide systematic sampling plan and in most cases samples are not drawn from populations using completely randomized designs. Sixty fish of any species collected at a single location is often cited as an acceptable sample size for routine health inspections and in disease surveillance programs. The 60 fish target is based on a 95% confidence level of detecting one infected fish given a presumed pathogen prevalence of 5% and a population size of at least 2000 individuals. While best efforts are made in the Survey to obtain meaningful sample sizes there are many cases where sample size is less than 60 fish. In large scale field survey such as this the investigator must often speculate on sample parameters because information on actual population size and pathogen prevalence, if any, is usually unknown. Many sample sites have only been sampled once and thus only provide a snapshot in time. Attempts to make statistical inferences requiring repeated measures are not likely valid. The database does record for each collection whether the sampling was routine or if it motivated by a particular purpose such as observation of disease or investigation of a fish kill. Methodology Considerations: The database contains records on the presence or absence of fish pathogens or major antigens of fish pathogens. No assay is considered 100% accurate on all accounts and therefore a small probability exists where a Survey result could be either falsely negative or falsely positive. Number of Fish that are the Basis for a Result: The database reports results on the number of samples tested which may be different from the actual number of fish tested (sampled). In some cases, not all fish collected at a particular location are used in every available assay. Some fish in the sample may not be the appropriate size or age for a particular test or there may not be sufficient amount of tissue to run the full battery of available assays. Additionally, preliminary assays for several fish pathogens are performed on pooled tissue samples collected from up to five fish. Pooled tissue samples are commonly used in cell cultures assays for viruses and in the enzymatic digest procedure for salmonid whirling disease. For purposes of this Survey, a tissue sample is referred to as a &amp;quot;pool&amp;quot;; and may contain representative tissue from 1 to 5 individual fish. In any respect, the actual number of fish contributing to each pool is recorded in the database. The tracking of individual fish through the various tissue pools is at laboratory discretion on a case-by-case basis. Proportion of Fish Testing Positive: The proportion of fish testing positive for a pathogen can only be determined when tissue samples are collected individually from each fish. However, preliminary assays for several fish pathogens included in the Survey are performed on pooled tissue samples collected from 1 - 5 fish. The number of fish contributing to a pool is known; however a positive test result only indicates that at least one fish contributing to the sample pool was positive. There is generally no way to determine the contribution of individuals within the pool unless additional individual tissue samples were collected and archived for subsequent use. If more than one fish contributes to a sample pool, the test results for that pool represent the set of fish. Pathogen and Disease: A number of variables associated with the host, the pathogen, and the environment are important in determination of disease expression. Therefore, detection of a pathogen or its antigen in an individual fish does not necessarily indicate that the fish or the local fish population was experiencing effects of an associated disease at the time of sampling. Similarly, non-detection does not necessarily mean that the pathogen is absent from the population or that an associated disease will not be an issue at some point in the future. Extrapolation of Survey Results to Un-sampled Locations: Results generated from database queries, do not suggest nor imply any occurrence of the subject pathogen(s) beyond that indicated in query results for the requested fish and pathogen(s) combination(s). It is formally possible to construe a defined spatial area, such as a state or a watershed, as a statistical aggregate, and to interpret the set of test results from collections falling in that area as a statistical sample, and on this basis to calculate the frequency of that pathogen in the area as a whole. However, statistical operations interpreted in this way make many assumptions that need to be carefully considered by the user. The most serious assumption is that the sample collection locations were taken to represent a defined watershed area. Evaluation of this assumption is a difficult scientific undertaking. Sampling designs intended to represent this broader level of information require dense spatial coverage of samples and control of sampling locations. Depending on the query parameters and when the query is performed, there may be insufficient samples included within the results to validate this assumption.<br /></p></div> N/A no restrictions to accessing the data <DIV STYLE="text-align:Left;"><DIV><P><SPAN>The United States Fish and Wildlife Service (Service) shall not be held liable for improper or incorrect use of the data described and/or contained herein. While the Service makes every reasonable effort to ensure the accuracy and completeness of data provided for distribution, it may not have the necessary accuracy or completeness required for every possible intended use. The Service recommends that data users consult the associated metadata record to understand the quality and possible limitations of the data. The Service creates metadata records in accordance with the standards endorsed by the Federal Geographic Data Committee. As a result of the above considerations, the Service gives no warranty, expressed or implied, as to the accuracy, reliability, or completeness of the data. It is the responsibility of the data user to use the data in a manner consistent with the limitations of geospatial data in general and these data in particular. Although these data have been processed successfully on a computer system at the Service, no warranty, expressed or implied, is made regarding the utility of the data on another system or for general or scientific purposes, nor shall the act of distribution constitute any such warranty. This applies to the use of the data both along and in aggregate with other data and information.</SPAN></P></DIV></DIV> Other Constraints Other Constraints Other Constraints Other Constraints Other Constraints Other Constraints Other Constraints Other Constraints Other Constraints Other Constraints Other Constraints Other Constraints The survey does not use random sampling strategies or comprehensively cover large geographic regions. Sampling bias causes some areas to be tested repeatedly while others are not tested or rarely tested. This characteristic generally prevents interpretation of the prevalence or intensity of infection other than that the pathogen has been found in a specific spot. Sample sizes are often small. A positive finding is significant, but testing is rarely sufficient to prove that a watershed is free from a specific pathogen. Samples are generally collected by U.S Fish and Wildlife Service (USFWS) personnel, but we also work with other agencies and partners. This provides a potential for misidentification of sample origins, species, and or tissue. Tests for pathogens are performed according to the guidelines in the AFS Blue Book by skilled fish health professionals and veterinarians. In many cases, the AFS Blue Book methods used differ from international standards for quality assurance in veterinary diagnostic laboratories. No diagnostic assay is perfect. All assays have the potential for false positives and false negatives. The frequency of these failures is not well known for most fish pathogen assays. The USFWS works hard to ensure that the data presented in the Survey database is accurate, but errors can occur that might affect the apparent presence or absence of a pathogen in a specific area. The Survey database is a work in progress with new data added at intervals, so the status of watersheds may change over time. Please continue to check back regularly for updated data. The survey includes only data collected as part of the USFWS Survey program and is not a comprehensive description of all pathogen detections by the USFWS or reported by other agencies or scientists. The Survey sampling is done on open systems. In most cases, movements of fish, water, birds, people, and other vectors might cause a change in the pathogen status of a watershed. The Survey may not detect these changes in a timely way. Extrapolating a positive or negative finding from a specific location to determine the status of an entire watershed (at any HUC level) should be made with great care because data to make these assumptions is generally insufficient. United States Completed 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 1648741626089r03758643503869474 2022-04-28 10:47:05.68 Jeena Koenig U.S. Fish and Wildlife Service Fish and Wildlife Biologist jeena_koenig@fws.gov 555 Lester Ave Onalaska WI 54650 US 608-783-8412 Survey Assumptions and Limitations on Data Use The National Wild Fish Health Survey (Survey) is performed under certain assumptions and pathogen test results carry certain limitations of use that need to be understood before drawing conclusions from the information maintained in the database. Important topics related to these assumptions and limitations are discussed below. Use of Data Every effort has been made to provide accurate and complete data, but keep in mind the following caveat: The USFWS shall not be held liable for improper or incorrect use of the data described and/or contained herein. These data are not legal documents and are not intended to be used as such. The information contained in the database is dynamic and changes over time. It is the responsibility of the data user to use the data appropriately and consistently within the limits of the data. Conclusions drawn from use of this data are the user's responsibility. The USFWS provides no warranty, expressed or implied, as to the accuracy, reliability, or completeness of the data. Although these data have been processed successfully on a computer system at the U.S. Fish &amp; Wildlife Service, no warranty expressed or implied is made regarding the utility of the data on another system or for general or scientific purposes, nor shall the act of distribution constitute any such warranty. This disclaimer applies both to individual use of the data and consolidated use with other data. Collection of Fish and Tissue Samples from Target Populations The term "wild fish"; in the title of this Survey is used in a broad sense. In most cases, fish are collected from free-ranging and generally self-sustaining populations considered to be wild or feral. Both native and non-native or introduced species are sampled. Additionally, populations maintained by stocking or periodic supplementation with hatchery-reared fish are sampled when those fish have been living in the natural environment for a considerable period of time. Fish and associated tissue samples are collected by the Service network of regional Fish Health Centers or by cooperating partners knowledgeable of Survey protocols and procedures. Survey partners include other Federal resource agencies, State agencies, natural resource departments of Native American Nations, and several non-governmental entities involved with managing or monitoring free-ranging fish. In some instances, Service Fish Health Center personnel either lead or assisted in the collection of fish and tissue samples and in other instances these operations are performed entirely by the Survey partner. The Service necessarily assumes that for collections outside its direct control fish were properly identified, sample locations were accurately recorded, and tissue samples were collected according to approved standard methods. Sampling Design and Limitations on Statistical Inferences Users of the database should exercise caution when attempting to make inferences from Survey results because many requirements and assumptions of rigorous statistical analyses are not met with the present sampling design. Much of Survey sampling is considered opportunistic and often coincides with specific partner needs and/or objectives. Those needs may or may not satisfy sampling assumptions for calculating various statistical estimates from test results. It is also important to note that the Survey is not presently based on a nation-wide systematic sampling plan and in most cases samples are not drawn from populations using completely randomized designs. Sixty fish of any species collected at a single location is often cited as an acceptable sample size for routine health inspections and in disease surveillance programs. The 60 fish target is based on a 95% confidence level of detecting one infected fish given a presumed pathogen prevalence of 5% and a population size of at least 2000 individuals. While best efforts are made in the Survey to obtain meaningful sample sizes there are many cases where sample size is less than 60 fish. In large scale field survey such as this the investigator must often speculate on sample parameters because information on actual population size and pathogen prevalence, if any, is usually unknown. Many sample sites have only been sampled once and thus only provide a snapshot in time. Attempts to make statistical inferences requiring repeated measures are not likely valid. The database does record for each collection whether the sampling was routine or if it motivated by a particular purpose such as observation of disease or investigation of a fish kill. Methodology Considerations The database contains records on the presence or absence of fish pathogens or major antigens of fish pathogens. No assay is considered 100% accurate on all accounts and therefore a small probability exists where a Survey result could be either falsely negative or falsely positive. Number of Fish that are the Basis for a Result The database reports results on the number of samples tested which may be different from the actual number of fish tested (sampled). In some cases, not all fish collected at a particular location are used in every available assay. Some fish in the sample may not be the appropriate size or age for a particular test or there may not be sufficient amount of tissue to run the full battery of available assays. Additionally, preliminary assays for several fish pathogens are performed on pooled tissue samples collected from up to five fish. Pooled tissue samples are commonly used in cell cultures assays for viruses and in the enzymatic digest procedure for salmonid whirling disease. For purposes of this Survey, a tissue sample is referred to as a "pool"; and may contain representative tissue from 1 to 5 individual fish. In any respect, the actual number of fish contributing to each pool is recorded in the database. The tracking of individual fish through the various tissue pools is at laboratory discretion on a case-by-case basis. Proportion of Fish Testing Positive The proportion of fish testing positive for a pathogen can only be determined when tissue samples are collected individually from each fish. However, preliminary assays for several fish pathogens included in the Survey are performed on pooled tissue samples collected from 1 - 5 fish. The number of fish contributing to a pool is known; however a positive test result only indicates that at least one fish contributing to the sample pool was positive. There is generally no way to determine the contribution of individuals within the pool unless additional individual tissue samples were collected and archived for subsequent use. If more than one fish contributes to a sample pool, the test results for that pool represent the set of fish. Pathogen and Disease A number of variables associated with the host, the pathogen, and the environment are important in determination of disease expression. Therefore, detection of a pathogen or its antigen in an individual fish does not necessarily indicate that the fish or the local fish population was experiencing effects of an associated disease at the time of sampling. Similarly, non-detection does not necessarily mean that the pathogen is absent from the population or that an associated disease will not be an issue at some point in the future. Extrapolation of Survey Results to Un-sampled Locations Results generated from database queries, do not suggest nor imply any occurrence of the subject pathogen(s) beyond that indicated in query results for the requested fish and pathogen(s) combination(s). It is formally possible to construe a defined spatial area, such as a state or a watershed, as a statistical aggregate, and to interpret the set of test results from collections falling in that area as a statistical sample, and on this basis to calculate the frequency of that pathogen in the area as a whole. However, statistical operations interpreted in this way make many assumptions that need to be carefully considered by the user. The most serious assumption is that the sample collection locations were taken to represent a defined watershed area. Evaluation of this assumption is a difficult scientific undertaking. Sampling designs intended to represent this broader level of information require dense spatial coverage of samples and control of sampling locations. Depending on the query parameters and when the query is performed, there may be insufficient samples included within the results to validate this assumption. The National Watershed Boundary data set was downloaded from the U.S. Geological Survey National Hydrology data set and the hydrologic unit 8 (HUC 8) watersheds for the United States were simplified by 100 meters using the simplify tool in ArcGIS Pro 2.8. The tertiary Ontario Watershed boundary was downloaded from the Ontario Ministry of Natural Resources and Forestry and simplified by 100 meters using the simplify tool in ArcGIS Pro 2.8. The Ontario watershed boundary was then merged with the simplified United States HUC 8 watershed boundary dataset. 2021-10-04T00:00:00 The watershed polygons were simplified to increase drawing speed of polygons in the ArcGIS Online web map. Jeena Koenig U.S. Fish and Wildlife Service Fish and Wildlife Biologist jeena_koenig@fws.gov 555 Lester Ave Onalaska WI 54650 US 608-783-8412 The National Wild Fish Survey data set from 1996-2020 were summarized by unique case numbers by HUC 8 watershed, total number of fish tested by HUC 8 watershed, and pathogens detected by HUC 8 watershed. Each of the fields were then populated into the simplified watershed boundary layer. 2022-03-28T00:00:00 Provide a summary of cases, total number of fish tested, and a pathogen detected list for each watershed boundary. Jeena Koenig U.S. Fish and Wildlife Service Fish and Wildlife Biologist jeena_koenig@fws.gov 555 Lester Ave Onalaska WI 54650 US 608-783-8412 All sample collection and processing information can be obtained by the designated Fish Health Center laboratory. 2022-03-31T00:00:00 A designated Fish Health Center laboratory can provide specific information pertaining to data records. No formal accuracy assessment has been done. Individual Fish Health Center laboratories manage QA/QC of their data. No formal assessment has been done. Individual Fish Health Center laboratories manage QA/QC of their data. https://fws.maps.arcgis.com/home/item.html?id=5b52826506d544de80d09d3ddf594be6 FWS HQ National Wild Fish Health Survey Database Pre-Laboratory Information Systems 1996-2020 Hosted Feature Layer MB 131 NWFHS_Pre_LIMS_Related_Table The United States Fish & Wildlife Service (USFWS) National Wild Fish Health Survey Database (NWFHSDb) has been available to the public since September 2001. The related table contains data on pathogen occurrence in free-ranging (wild) populations of fish. U.S. Fish and Wildlife Service Table 185762 id Unique identifier for data. Not all records contain an id. U.S. Fish and Wildlife Service String 255 Unique identifier for data. lab Fish Health Center entering data. U.S. Fish and Wildlife Service String 255 Fish Health Center entering data and point of contact for data record. casenumber Lab dataset identifier. U.S. Fish and Wildlife Service String 255 Lab dataset identifier. Use this identifier for inquiries about data. commonname Common name of fish tested. U.S. Fish and Wildlife Service String 255 Common name of fish tested. species Species name for fish tested. U.S. Fish and Wildlife Service String 255 Scientific name of fish species tested. collectiondate Date sample was collected (m/d/yyyy). Disregard time stamp, auto-assigned by ArcGIS Online. U.S. Fish and Wildlife Service Date 8 Date sample was collected (m/d/yyyy). gnisid Unique code for waterbody. U.S. Geological Survey National Hydrology Dataset Integer 7 Unique code for waterbody. latitude Latitude coordinate in WGS 84. U.S. Fish and Wildlife Service Double 6 Latitude coordinate in WGS 84. longitude Longitude coordinate in WGS 84. U.S. Fish and Wildlife Service Double 8 Longitude coordinate in WGS 84. datum Geographic point. U.S. Fish and Wildlife Service String 255 Datum used for coordinates. waterbody Name of waterbody. U.S. Fish and Wildlife Service String 255 Name of waterbody. statename U.S. State name. U.S. Fish and Wildlife Service String 255 U.S. State name. huc U.S. Geological Survey National Hydrology Dataset Hydrologic Unit Code (HUC) 8 digit code for watershed location. U.S. Fish and Wildlife Service, U.S. Geological Survey String 8 U.S. Geological Survey National Hydrology Dataset Hydrologic Unit Code (HUC) 8 digit code for watershed location. hucname U.S. Geological Survey National Hydrology Dataset Hydrologic Unit Code (HUC) 8 name for watershed location. U.S. Fish and Wildlife Service, U.S. Geological Survey String 120 U.S. Geological Survey National Hydrology Dataset Hydrologic Unit Code (HUC) 8 name for watershed location. numbercollected Number of fish collected. U.S. Fish and Wildlife Service Integer 3 Number of fish collected. numbertested Number of fish tested. U.S. Fish and Wildlife Service Integer 3 Number of fish tested. prelimassay Preliminary assay used. U.S. Fish and Wildlife Service String 255 Preliminary assay used. corrobassay Follow up assay used. U.S. Fish and Wildlife Service String 255 Follow up assay used. pathogendetected What pathogen was detected. U.S. Fish and Wildlife Service String 255 What pathogen was detected. Shape Geometry Type. Esri Shape 0 Esri OBJECTID A unique, not null integer field used to uniquely identify rows in tables in a geodatabase. Esri OBJECTID 0 Esri WBDHUC8_Reference_Layer_Simplified_Pre_LIMS The United States Fish & Wildlife Service (USFWS) National Wild Fish Health Survey Database (NWFHSDb) has been available to the public since September 2001. The Hydrologic Unit Code 8 digit watershed contains summarized data on pathogen occurrence in free-ranging (wild) populations of fish. U.S. Fish and Wildlife Service Polygon Layer 2301 TNMID TNMID (short for The National Map Identification) is a unique 40-character field that identifies each element in the database exclusively. U.S. Geological Survey National Hydrology Data; Federal Standards and Procedures for the National Watershed Boundary Dataset (WBD) String 40 TNMID is an automatically assigned code that stays with each element. When an element is updated or changed, TNMID links the element to the metadata record and documents the change. TNMID is also used to maintain relationship classes in the normalized data model. When an element is deleted or split, TNMID stays with the original element and is not used again. When an element is split, new permanent identifiers are assigned to the resultant parts. Example {5DD21DC6-3692-4197-889B-49E652AA43D0} HUC8 The HUC8 field is a unique 8-digit hydrologic unit code. HUC8 represents the 8-digit hydrologic unit boundaries (previously referred to as Subbasins) and are part of the WBD delivery, but the boundaries are not editable by the WBD In-State Steward. For Example: 10130203. This field also contains one tertiary Ontario Watershed Boundary from the Ontario Ministry of Natural Resources and Forestry's authoritative watershed boundaries for Ontario feature layer in ArcGIS Online. U.S. Geological Survey National Hydrology Data; Federal Standards and Procedures for the National Watershed Boundary Dataset (WBD); Ontario Watershed Boundaries from Ontario Ministry of Natural Resources and Forestry String 8 Federal Standards and Procedures for the National Watershed Boundary Dataset (WBD) Section 6: Geospatial Data Structure and Attributes http://pubs.usgs.gov/tm/11/a3/) NAME Name refers to the GNIS name for the geographic area in which the hydrologic unit is located. Populated using GNIS names and guidelines as outlined in the WBD Standards. For Example: Upper Blue River. This field also contains one tertiary Ontario Watershed Boundary from the Ontario Ministry of Natural Resources and Forestry's authoritative watershed boundaries for Ontario feature layer in ArcGIS Online. U.S. Geological Survey National Hydrology Data; Federal Standards and Procedures for the National Watershed Boundary Dataset (WBD); Ontario Watershed Boundaries from the Ontario Ministry of Natural Resources and Forestry String 120 Federal Standards and Procedures for the National Watershed Boundary Dataset (WBD) Section 6: Geospatial Data Structure and Attributes (http://pubs.usgs.gov/tm/11/a3/) STATES The States or outlying area attribute identifies the State(s) or outlying areas that the hydrologic unit falls within or touches. Will be populated with the 2 character state abbreviation or outlying area attribute for each area that the unit falls within in alphabetical order. For Example: CO,UT,WY U.S. Geological Survey National Hydrology Data; Federal Standards and Procedures for the National Watershed Boundary Dataset (WBD) String 50 Federal Standards and Procedures for the National Watershed Boundary Dataset (WBD) Section 6: Geospatial Data Structure and Attributes http://pubs.usgs.gov/tm/11/a3/) pathogendetected List of confirmed pathogen detected values within the HUC 8 watershed. U.S. Fish and Wildlife Service String 255 pathogen detected where the assay category is confirmed. uniquecases number of unique cases found within the HUC 8 watershed U.S. Fish and Wildlife Service Integer 3 number of unique cases found within the HUC 8 watershed totalnumbertested total number of fish tested for all cases within the HUC 8 watershed. U.S. Fish and Wildlife Service Double 6 total number of fish tested for all cases within the HUC 8 watershed. Shape__Area Area of polygon. Esri Double 6 Area of polygon. Shape__Length Perimeter of polygon. Esri Double 6 Perimeter of polygon. OBJECTID_1 An ObjectID is a unique, not null integer field used to uniquely identify rows in tables in a geodatabase. ObjectIDs are limited to 32-bit values, which store a maximum value of 2,147,483,647. Esri OBJECTID 0 An ObjectID is a unique, not null integer field used to uniquely identify rows in tables in a geodatabase. ObjectIDs are limited to 32-bit values, which store a maximum value of 2,147,483,647. Disclaimer: Any use of trade, firm, or product names is for descriptive purposes only and does not imply endorsement by the U.S. Government. <DIV STYLE="text-align:Left;"><DIV><P><SPAN>The United States Fish and Wildlife Service (Service) shall not be held liable for improper or incorrect use of the data described and/or contained herein. While the Service makes every reasonable effort to ensure the accuracy and completeness of data provided for distribution, it may not have the necessary accuracy or completeness required for every possible intended use. The Service recommends that data users consult the associated metadata record to understand the quality and possible limitations of the data. The Service creates metadata records in accordance with the standards endorsed by the Federal Geographic Data Committee. As a result of the above considerations, the Service gives no warranty, expressed or implied, as to the accuracy, reliability, or completeness of the data. It is the responsibility of the data user to use the data in a manner consistent with the limitations of geospatial data in general and these data in particular. Although these data have been processed successfully on a computer system at the Service, no warranty, expressed or implied, is made regarding the utility of the data on another system or for general or scientific purposes, nor shall the act of distribution constitute any such warranty. This applies to the use of the data both along and in aggregate with other data and information.</SPAN></P></DIV></DIV> 185762