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  2. Section 404 of the Clean Water Act

Surface Drinking Water Provided by Intermittent, Ephemeral, and Headwater Streams: State Maps

A collection of state maps detailing the percentage of surface drinking water from intermittent, ephemeral or headwater streams for each county.

  • Percentage of Surface Drinking Water from Intermittent, Ephemeral or Headwater Streams in Alabama (pdf) (188.93 KB)
  • Percentage of Surface Drinking Water from Intermittent, Ephemeral or Headwater Streams in Arizona (pdf) (139.63 KB)
  • Percentage of Surface Drinking Water from Intermittent, Ephemeral or Headwater Streams in Arkansas (pdf) (109.69 KB)
  • Percentage of Surface Drinking Water from Intermittent, Ephemeral or Headwater Streams in California (pdf) (100.27 KB)
  • Percentage of Surface Drinking Water from Intermittent, Ephemeral or Headwater Streams in Colorado (pdf) (152.8 KB)
  • Percentage of Surface Drinking Water from Intermittent, Ephemeral or Headwater Streams in Connecticut (pdf) (60.25 KB)
  • Percentage of Surface Drinking Water from Intermittent, Ephemeral or Headwater Streams in Delaware (pdf) (128.28 KB)
  • Percentage of Surface Drinking Water from Intermittent, Ephemeral or Headwater Streams in Florida (pdf) (206.93 KB)
  • Percentage of Surface Drinking Water from Intermittent, Ephemeral or Headwater Streams in Georgia (pdf) (150.89 KB)
  • Percentage of Surface Drinking Water from Intermittent, Ephemeral or Headwater Streams in Idaho (pdf) (180.59 KB)
  • Percentage of Surface Drinking Water from Intermittent, Ephemeral or Headwater Streams in Illinois (pdf) (105.03 KB)
  • Percentage of Surface Drinking Water from Intermittent, Ephemeral or Headwater Streams in Indiana (pdf) (165.94 KB)
  • Percentage of Surface Drinking Water from Intermittent, Ephemeral or Headwater Streams in Iowa (pdf) (93.15 KB)
  • Percentage of Surface Drinking Water from Intermittent, Ephemeral or Headwater Streams in Kansas (pdf) (88.05 KB)
  • Percentage of Surface Drinking Water from Intermittent, Ephemeral or Headwater Streams in Kentucky (pdf) (208.13 KB)
  • Percentage of Surface Drinking Water from Intermittent, Ephemeral or Headwater Streams in Louisiana (pdf) (132.55 KB)
  • Percentage of Surface Drinking Water from Intermittent, Ephemeral or Headwater Streams in Maine (pdf) (171.9 KB)
  • Percentage of Surface Drinking Water from Intermittent, Ephemeral or Headwater Streams in Maryland (pdf) (99.99 KB)
  • Percentage of Surface Drinking Water from Intermittent, Ephemeral or Headwater Streams in Massachusetts (pdf) (146.68 KB)
  • Percentage of Surface Drinking Water from Intermittent, Ephemeral or Headwater Streams in Michigan (pdf) (185.25 KB)
  • Percentage of Surface Drinking Water from Intermittent, Ephemeral or Headwater Streams in Minnesota (pdf) (119.63 KB)
  • Percentage of Surface Drinking Water from Intermittent, Ephemeral or Headwater Streams in Mississippi (pdf) (129.35 KB)
  • Percentage of Surface Drinking Water from Intermittent, Ephemeral or Headwater Streams in Missouri (pdf) (187.37 KB)
  • Percentage of Surface Drinking Water from Intermittent, Ephemeral or Headwater Streams in Montana (pdf) (103.39 KB)
  • Percentage of Surface Drinking Water from Intermittent, Ephemeral or Headwater Streams in Nebraska (pdf) (156.14 KB)
  • Percentage of Surface Drinking Water from Intermittent, Ephemeral or Headwater Streams in Nevada (pdf) (153.57 KB)
  • Percentage of Surface Drinking Water from Intermittent, Ephemeral or Headwater Streams in New Hampshire (pdf) (145.94 KB)
  • Percentage of Surface Drinking Water from Intermittent, Ephemeral or Headwater Streams in New Jersey (pdf) (211.11 KB)
  • Percentage of Surface Drinking Water from Intermittent, Ephemeral or Headwater Streams in New Mexico (pdf) (162.94 KB)
  • Percentage of Surface Drinking Water from Intermittent, Ephemeral or Headwater Streams in New York (pdf) (120.83 KB)
  • Percentage of Surface Drinking Water from Intermittent, Ephemeral or Headwater Streams in North Carolina (pdf) (187.56 KB)
  • Percentage of Surface Drinking Water from Intermittent, Ephemeral or Headwater Streams in North Dakota (pdf) (77.23 KB)
  • Percentage of Surface Drinking Water from Intermittent, Ephemeral or Headwater Streams in Ohio (pdf) (85.97 KB)
  • Percentage of Surface Drinking Water from Intermittent, Ephemeral or Headwater Streams in Oklahoma (pdf) (153.58 KB)
  • Percentage of Surface Drinking Water from Intermittent, Ephemeral or Headwater Streams in Oregon (pdf) (142.57 KB)
  • Percentage of Surface Drinking Water from Intermittent, Ephemeral or Headwater Streams in Pennsylvania (pdf) (94.23 KB)
  • Percentage of Surface Drinking Water from Intermittent, Ephemeral or Headwater Streams in Rhode Island (pdf) (141.06 KB)
  • Percentage of Surface Drinking Water from Intermittent, Ephemeral or Headwater Streams in South Carolina (pdf) (176.87 KB)
  • Percentage of Surface Drinking Water from Intermittent, Ephemeral or Headwater Streams in South Dakota (pdf) (84.28 KB)
  • Percentage of Surface Drinking Water from Intermittent, Ephemeral or Headwater Streams in Tennessee (pdf) (134.29 KB)
  • Percentage of Surface Drinking Water from Intermittent, Ephemeral or Headwater Streams in Texas (pdf) (303.35 KB)
  • Percentage of Surface Drinking Water from Intermittent, Ephemeral or Headwater Streams in Utah (pdf) (142.25 KB)
  • Percentage of Surface Drinking Water from Intermittent, Ephemeral or Headwater Streams in Vermont (pdf) (145.81 KB)
  • Percentage of Surface Drinking Water from Intermittent, Ephemeral or Headwater Streams in Virginia (pdf) (151.19 KB)
  • Percentage of Surface Drinking Water from Intermittent, Ephemeral or Headwater Streams in Washington (pdf) (166.01 KB)
  • Percentage of Surface Drinking Water from Intermittent, Ephemeral or Headwater Streams in West Virginia (pdf) (117.59 KB)
  • Percentage of Surface Drinking Water from Intermittent, Ephemeral or Headwater Streams in Wisconsin (pdf) (93.79 KB)
  • Percentage of Surface Drinking Water from Intermittent, Ephemeral or Headwater Streams in Wyoming (pdf) (75.86 KB)

Section 404 of the Clean Water Act

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Contact Us About Section 404 of the Clean Water Act
Contact Us to ask a question, provide feedback, or report a problem.
Last updated on September 4, 2024
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