1. Locations based on septic tank owner and higher incomes :white_check_mark:
1.1. Northeast
1.1.1. Maine
1.1.1.1. Aroostook County - Somerset County - Oxford County York County - Cumberland County - Penobscot County Lincoln County and Knox County - Hancock county - Washington County
1.1.1.1.1. Zip code Higher incomes
1.1.2. New Hampshire
1.1.2.1. Coos County - Grafton County - Carroll County Rockingham County - Merrimack County - Hillsborough County Cheshire County - Sullivan County
1.1.2.1.1. Zip code Higher incomes
1.1.3. Vermont
1.1.3.1. Orleans county - Essex county - Caledonia county Addison County - Orange County - Chittenden County Windsor County - Washington County - Bennington county Windham county
1.1.3.1.1. Zip code Higher incomes
1.1.4. Pennsylvania
1.1.4.1. Monroe county - Pike county - Wayne county - Carbon county - Lancaster county Adams county - Chester county - Bucks county - Montgomery county - Berks county - Lehigh county - York county
1.1.4.1.1. Zip code Higher incomes
1.2. Midwest
1.2.1. Ohio
1.2.1.1. Hocking County - Vinton County - Fairfield County - Athens County Holmes County - Wayne County - Tuscarawas County - Meigs County Geauga County - Medina County - Warren County - Lake County - Fairfield County
1.2.1.1.1. Zip code Higher incomes
1.2.2. Michigan
1.2.2.1. Emmet county - Charlevoix county - Antrim county - Oceana county Mason county - Manistee county - Marquette county - Delta county Houghton county - Livingston County - Washtenaw County Ottawa County - Oakland County - Macomb County - St. Clair County
1.2.2.1.1. Zip code Higher incomes
1.2.3. Wisconsin
1.2.3.1. Vilas county - Oneida county - Sawyer county - Marathon county - Wood county Portage county - Vernon county - Richland county - Crawford county Waukesha County - Washington County - Dane County - Ozaukee County Jefferson County - Kenosha County
1.2.3.1.1. Zip code Higher incomes
1.2.4. Indiana
1.2.4.1. Vilas county - Oneida county - Sawyer county - Marathon county - Wood county Portage county - Vernon county - Richland county - Crawford county Waukesha County - Washington County - Dane County - Ozaukee County Jefferson County - Kenosha County
1.2.4.1.1. Zip code Higher incomes
1.3. South
1.3.1. Florida
1.3.1.1. Marion county - Lake county - Suwannee county - Lafayette county Union county - Jefferson county - Wakulla county - Liberty county - Levy County Citrus County - Hernando County - Flagler County - Highlands County Glades County - DeSoto County - Okeechobee County
1.3.1.1.1. Zip code Higher incomes
1.3.2. North Carolina
1.3.2.1. Haywood county - Jackson county - Macon county - Moore county - Hoke county Richmond county - Bertie county - Hertford county - Chowan county Brunswick County - Pender County - Chatham County - Randolph County Person County - Davie County - Yadkin County
1.3.2.1.1. Zip code Higher incomes
1.3.3. South Carolina
1.3.3.1. Pickens county - Oconee county - Abbeville county - Marion county Marlboro county - Chesterfield county - Newberry county - Saluda county Fairfield county - Horry County - Beaufort County - Georgetown County Jasper County - Laurens County - Williamsburg County - Colleton County
1.3.3.1.1. Zip code Higher incomes
1.3.4. Georgia
1.3.4.1. Fannin county - Union county - Rabun county - Putnam county - Jasper county Hancock county - Decatur county - Grady county - Miller county Barrow County - Jackson County - Paulding County - Bulloch County Effingham County - Bryan County - Camden County
1.3.4.1.1. Zip code Higher incomes
1.3.5. Tennessee
1.3.5.1. Sevier county - Blount county - Cocke county - Bedford county - Lincoln county Giles county - Hardeman county - McNairy county - Henderson county Rutherford County - Wilson County - Williamson County - Sumner County Cheatham County - Maury County - Loudon County
1.3.5.1.1. Zip code Higher incomes
1.3.6. Virginia
1.3.6.1. Augusta county - Rockingham county - Page county - Floyd county Carroll county - Grayson county - Louisa county - Buckingham county Amherst county - Loudoun County - William County Fauquier County - Spotsylvania County - Orange County Goochland County - Hanover County
1.3.6.1.1. Zip code Higher incomes
1.4. West
1.4.1. Oregon
1.4.1.1. Deschutes county - Crook county - Jefferson county - Josephine county Jackson county - Klamath county - Tillamook county - Lincoln county Curry county - Clackamas County - Yamhill County - Columbia County Marion County - Polk County - Douglas County - Lane County
1.4.1.1.1. Zip code Higher incomes
1.4.2. Idaho
1.4.2.1. Bonner county - Boundary county - Shoshone county - Valley county Custer county - Lemhi county - Fremont county - Teton county - Madison county Kootenai County - Canyon County - Ada County - Blaine County Gem County - Payette County
1.4.2.1.1. Zip code Higher incomes
1.4.3. Arizona
1.4.3.1. Coconino county - Navajo county - Apache county - Yavapai county Gila county - Cochise county - Graham county - Greenlee county Pinal County - Yuma County - Mohave County - Maricopa County - Santa Cruz County
1.4.3.1.1. Zip code Higher incomes