Water Code - by state
- Alabama (see generally Title 33)
- Alaska (see generally Title 46)
- Arizona- Title 45
- Arkansas (see Title 15)
- California - Title 23
- Colorado (searchable index - Title 37)
- Connecticut- Title 25
- District of Columbia - Title 34, Subtitle VI: Water and Sewer
- Florida (see generally Title XVIII)
- Georgia (searchable index - Title 52)
- Hawaii - Title 13 (Ch. 174 & 174C State Water Code)
- Idaho - Title 70
- Illinois- Chapter 615
- Indiana (see Title 14, Articles 25-33)
- Iowa (see Title XI, Subtitles 1-3)
- Kansas (see Chapters 24, 42 and 82a)
- Kentucky (see Title IX, Chapters 74 and 104)
- Louisiana (searchable index)
- Maine
- Maryland (see generally Article: Natural Resources)
- Massachusetts- Chapter 91
- Michigan (see Chapters 121, 323, and 486)
- Minnesota (see Chapters 103A thru 114B)
- Mississippi (see Title 51)
- Missouri- Title 15
- Montana- Title 85
- Nebraska (see Chapters 31, 46 and 56)
- Nevada (see Title 48)
- New Hampshire- Title 50
- New Jersey (see Title 58)
- New Mexico (see Chapter 72)
- New York (see Environmental Conservation) | Alternate Site (see generally Chapter 43-B)
- North Carolina (see Chapter 77)
- North Dakota- Title 61
- Ohio- Title 61
- Oklahoma (searchable index - Title 82)
- Oregon (see Chapters 536-558)
- Pennsylvania (Title 32, Chapters 21-50)
- Rhode Island- Title 46
- South Carolina- Title 49
- South Dakota (see Titles 46 and 46A)
- Tennessee (see Title 69)
- Texas - Title 31
- Utah- Title 73
- Vermont- Title 25
- Virginia (see Titles 28.2 and 62.1)
- Washington (see Titles 90 and 91)
- West Virginia (see Chapters 20 and 22)
- Wisconsin (see Chapters 280-281)
- Wyoming (see Title 41)