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Service Description: Under Section 303(d) of the Clean Water Act, states, territories and authorized tribes are required to develop a list of water quality limited segments. These waters on the list do not meet water quality standards, even after point sources of pollution have installed the minimum required levels of pollution control technology. The Clean Water Act requires that these jurisdictions establish priority rankings for water on the lists and develop action plans, called as Total Maximum Daily Loads (TMDL), to improve water quality. Every two years, the California State Water Resources Control Board submits a report on the State's water quality to the U.S. Environmental Protection Agency pursuant to Section 305(b) of the federal Clean Water Act. The Report provides water quality information to the general public and serves as the basis for U.S. EPA 's National Water Quality Inventory Report to Congress. This dataset is a compilation of the water bodies in California assessed under Sections 303(d) and 305(b) of the Clean Water Act for the 2014 and 2016 listing cycles. Each water body is assigned a unique Water Body ID (WBID) number as well as selected associated information (water body name, Regional Water Quality Control Board number, etc.). The California 303(d) List was approved by USEPA on April 6th, 2018.

Map Name: Layers

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All Layers and Tables

Layers:

• Assessed (0)
  • State 2014/2016 assessed mid points (1)
  • State 2014/2016 assessed streams (2)
  • State 2014/2016 assessed lakes/bays (3)
• Impaired - "303d List" (4)
  • State 2014/2016 303d impaired mid points (5)
  • State 2014/2016 303d impaired streams (6)
  • State 2014/2016 303d impaired lakes/bays (7)

Tables:

• 2014/2016 Pollutant Decisions (8)

Description:

Copyright Text: State Water Resources Control Board

Spatial Reference: 102113  (3785)


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Document Info:

Title: 2012 Draft Integrated Report (303(d) / 305(b) list) water bodies
Author: State Water Resources Control Board, Division of Water Quality
Comments: Under Section 303(d) of the Clean Water Act, states, territories and authorized tribes are required to develop a list of water quality limited segments. These waters on the list do not meet water quality standards, even after point sources of pollution have installed the minimum required levels of pollution control technology. The Clean Water Act requires that these jurisdictions establish priority rankings for water on the lists and develop action plans, called as Total Maximum Daily Loads (TMDL), to improve water quality. Every two years, the California State Water Resources Control Board submits a report on the State's water quality to the U.S. Environmental Protection Agency pursuant to Section 305(b) of the federal Clean Water Act. The Report provides water quality information to the general public and serves as the basis for U.S. EPA 's National Water Quality Inventory Report to Congress. This dataset is a compilation of the water bodies in California assessed under Sections 303(d) and 305(b) of the Clean Water Act for the 2012 listing cycle. Each water body is assigned a unique Water Body ID (WBID) number as well as selected associated information (water body name, Regional Water Quality Control Board number, etc.). The assessments are considered draft until approved by U.S. EPA.
Subject: Draft 2012 California water bodies assessed or listed as impaired by the CA State Water Resources Control Board under CWA Sec. 303(d).
Category:
Keywords: California,water quality,303(d) list
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