Septic records

Septic records in Iowa

Where onsite wastewater records are kept in each Iowa county, whether you can search them yourself, and what we hold.

99
counties
97
with a records portal
69
septic companies listed
54,073
records held
425,160
parcels on septic

Septic companies in Iowa

69 septic and onsite wastewater businesses on record across 22 Iowa counties: pumping, installation, system design, soil evaluation, inspection and repair. Listing is not an endorsement and we take no fee from any of them.

CountyCompaniesExamples
Polk22A -1 Complete Septic Tank Service, A King's Throne, Best Portable Toilets
Linn12Benjamin Franklin Plumbing, Brown Well Pump Service, Earl's Backhoe Service
Warren9Bee-Line Sewer Service, Beyond Dirt Construction, Moffitt Trenching
Benton3Clinton Dynamics, Karr's Septic Service, Kenway Excavating
Boone3Behle, H&H Services, Mollitor Construction
Dallas2Lenhart Plumbing, Rhiner’s Services
Jasper2Certified Septic Service, Norm Rozendaal Tiling
Scott2Advanced Draintech, The Outhouse Affordable Sanitation
Buchanan1Eastern Iowa Septic
Cedar1Sedenka Excavating and Habitat
Chickasaw1Trenchless Pipe Replacement
Greene1DJ's Septic Service
Grundy1Cooley Pumping
Iowa1Phil’s Sewer and Drain Cleaning
Johnson1Brown Concrete & Backhoe
Madison1A-One Geothermal
Marion1Shilling Excavating
Muscatine1EB Drainage
Poweshiek1Hall Construction
Story1Nevada Excavating
Tama1Iowa Step & Tank
Washington1Miller Septic & Excavating

Septic installation and permitting in Iowa

The sequence is broadly the same across the state, and every step generates a record:

  1. Site and soil evaluation. A designer or licensed evaluator digs test pits or runs a percolation test, logs the soil profile, the depth to seasonal water table and any restrictive layer, and the slope. This determines whether the lot can take a conventional system at all.
  2. Design. Daily design flow comes from bedroom count under state code. That sets tank capacity, and the soil application rate sets drainfield area. The designer picks the dispersal method and lays out setbacks to wells, property lines, surface water and the reserve area.
  3. Permit application. Submitted to the county or district health authority with the design and soil work. This is the document most often held in the county file.
  4. Installation and open inspection. The installer builds the system and it is inspected while still open, before backfill.
  5. As-built and approval. The final drawing showing what was actually built goes into the record. That drawing is what a future owner, pumper or inspector needs.

Repairs and replacements

A failing system follows the same path, but starts from the recorded as-built: the existing tank, field footprint and reserve area constrain what can be built. Which is why pulling the original record is the cheapest first step in any repair.

Buying or selling

Lenders and, in many counties, point-of-transfer rules require an inspection. Inspectors work from the recorded as-built; without it they are probing blind and the inspection costs more and proves less.

How Iowa counties publish records

SystemCounties
a county web portal89
a county-built portal2
generic1
CDP Environmental Health1
no online records system1
DNR Time of Transfer1
ArcGIS1
custom ASP.NET MVC application1
Free septic design, any parcel in Iowa. Design flow, tank sizing, drainfield area, dispersal method and setbacks, generated from the parcel. Free to generate and view. Start a design

Counties

CountyRecords heldOn septicPortal
Linn33,14213,486yes
Polk1,52967,520yes
Pottawattamie74811,507yes
Scott7136,593
Johnson68218,077
Warren68011,316yes
Dubuque6254,494yes
Dallas55717,513yes
Muscatine4444,727yes
Poweshiek4314,369yes
Marion4185,349yes
Jasper4001,737yes
Lee3914,609yes
Clinton3664,413yes
Delaware3624,671yes
Madison3553,946yes
Black Hawk3476,816yes
Guthrie3433,552yes
Mills3394,116yes
Boone3343,978yes
Benton3153,991yes
Story3116,279yes
Clayton2925,028yes
Jones2861,610yes
Harrison2724,659yes
Bremer2713,416yes
Des Moines2681,963yes
Allamakee2624,329yes
Cedar2453,718yes
Washington2341,319yes
Jackson2335,053yes
Winneshiek2314,891yes
Woodbury2304,375yes
Iowa2294,041yes
Henry2243,763yes
Marshall2244,598yes
Buchanan2153,748yes
Webster2131,371yes
Appanoose2103,202yes
Wapello2014,229yes
Fayette1754,087yes
Plymouth1604,394yes
Sioux1562,138yes
Cerro Gordo1553,994yes
Tama1553,718yes
Butler1543,169yes
Hardin1543,070yes
Davis1503,098yes
Fremont1502,515yes
Jefferson145821yes
Mitchell1432,535yes
Floyd1422,658yes
Van Buren1422,824yes
Page1402,911yes
Louisa1352,581yes
Franklin1323,158yes
Grundy1322,482yes
Lucas1312,479yes
Monona1272,823yes
Shelby1263,403yes
Mahaska1224,239yes
O'Brien1162,171yes
Lyon1142,424yes
Chickasaw1112,693yes
Hamilton1113,010yes
Wright1062,274yes
Clay1012,398yes
Decatur1002,609yes
Clarke992,239yes
Kossuth993,779yes
Howard952,384yes
Wayne953,208yes
Crawford911,480yes
Buena Vista903,086yes
Emmet88408yes
Monroe882,325yes
Montgomery811,797yes
Hancock802,575yes
Dickinson793,702yes
Humboldt762,755yes
Carroll741,768yes
Winnebago74314yes
Cass732,583yes
Union72257yes
Palo Alto712,327yes
Calhoun672,679yes
Adair612,129yes
Taylor592,118yes
Sac562,704yes
Greene55776yes
Audubon541,869yes
Cherokee532,836yes
Worth51522yes
Pocahontas492,749yes
Adams481,883yes
Keokuk463,482yes
Osceola341,710yes
Ringgold302,076yes
Ida281,592yes