This is a Non-Federal dataset covered by different Terms of Use than Data.gov.

Lakes in Iowa Listed as Impaired in 2010 Under the Clean Water Act

Metadata Updated: July 19, 2013

Under Section 303(d) of the Clean Water Act, states are required from "time to time" to submit a list of waters for which effluent limits will not be sufficient to meet all state water quality standards. EPA has defined "time to time" to mean April 1 of even numbered years. The failure to meet water quality standards might be due to an individual pollutant, multiple pollutants, "pollution," or an unknown cause of impairment. The 303(d) listing process includes waters impaired by point sources and nonpoint sources of pollutants. States must also establish a priority ranking for the listed waters, taking into account the severity of pollution and uses. The EPA regulations that govern 303(d) listing can be found in the Code of Federal Regulations 40 CFR 130.7. The Iowa Department of Natural Resources compiles this impaired water list, or 303(d) listing. The 303(d) listing is composed of those lakes, wetlands, streams, rivers, and portions of rivers that do not meet all state water quality standards. These are considered "impaired waterbodies" and states are required to calculate total maximum daily loads (TMDLs) for pollutants causing impairments.

Access & Use Information

Non-Federal: This dataset is covered by different Terms of Use than Data.gov. License: No license information was provided.

Downloads & Resources

Dates

Metadata Date July 19, 2011
Metadata Created Date July 19, 2013
Metadata Updated Date July 19, 2013
Reference Date(s) February 17, 2011 (publication)
Frequency Of Update notPlanned

Metadata Source

Harvested from Iowa Geospatial Data Clearinghouse

Additional Metadata

Resource Type Dataset
Metadata Date July 19, 2011
Metadata Created Date July 19, 2013
Metadata Updated Date July 19, 2013
Reference Date(s) February 17, 2011 (publication)
Responsible Party Iowa Department of Natural Resources (Point of Contact)
Contact Email
Access Constraints Use Constraints: The development of the coverages in the NRGIS Library represents a major investment of staff time and effort. As a professional responsibility, the Iowa DNR expects to receive proper credit when these GIS coverages are utilized. he Department also expects that the original documentation will remain with any redistribution of these coverages., Access Constraints: None
Bbox East Long -90.233010
Bbox North Lat 43.517184
Bbox South Lat 40.553224
Bbox West Long -96.473649
Coupled Resource
Frequency Of Update notPlanned
Guid
Harvest Object Id 7c8e62ca-9ab8-498c-8175-a449981a4935
Harvest Source Id 2abfde33-b6a6-461c-879b-612565f3a067
Harvest Source Title Iowa Geospatial Data Clearinghouse
Licence Although efforts have been made in correcting errors in order to make this information useful to the Department, the Department assumes no responsibility for errors in the information. Similarly, the Department assumes no responsibility for the consequences of inappropriate uses or interpretations of the data made by anyone to whom this data has been made available. The Department bears no responsibility to inform users of any changes made to this data. Anyone using this data is advised that precision implied by the coverage may far exceed actual precision. Comments on this data are invited and the Department would appreciate that documented errors be brought to staff attention.
Metadata Language
Metadata Type geospatial
Spatial Data Service Type
Spatial Reference System
Spatial Harvester True

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