In Clayton County, Iowa, which covers St. Olaf, we have measured 5,028 parcels on septic and 3,986 on sewer. That is a county measurement. We do not hold a septic count for St. Olaf on its own and this page does not estimate one.
St. Olaf is a city in Clayton County, Iowa. The Census Bureau puts its internal point at 42.926811, -91.387696 and its land area at 0.24 square miles. Septic permitting and record keeping happen at the county level, not the city level, which is why every figure below is attributed to the county and linked back to the county page it came from.
| County | Records we hold | Parcels on septic | Parcels on sewer | County records portal | Searchable without an account |
|---|---|---|---|---|---|
| Clayton County | 292 | 5,028 | 3,986 | county portal | no account needed |
Our collection for Clayton County, Iowa is small, at 292 septic records. Treat it as a starting point for a St. Olaf property rather than a search that settles the question. The county is genuinely mixed: 5,028 of 9,014 classified parcels are on septic and the rest are sewered. Which side of that line a St. Olaf address falls on is worth establishing before anything else. The county publishes a records portal that we were able to search without creating an account, which makes checking a specific parcel something you can do yourself in a few minutes.
Septic is one subject with very different jobs inside it. These go straight to the page that does yours.
| If you are a | Go to | Because it covers |
|---|---|---|
| Homeowner | Septic pumping in St. Olaf | keeping the system you have working |
| Buyer or seller | Buying or selling in St. Olaf | what to pull and check before closing |
| Realtor | Buying or selling in St. Olaf | the same records a seller needs on file |
| Designer or engineer | Septic design in St. Olaf | design flow, tank capacity, dispersal sizing |
| Installer or contractor | Septic installation in St. Olaf | site evaluation, permit sequence, inspection |
| Septic pumper | Septic pumping in St. Olaf | tank access, lids and service interval |
| Inspector | Septic inspection in St. Olaf | what gets checked and what a failure means |
| Land investor | Septic installation in St. Olaf | whether raw land can take a system at all |
No. We measure septic and sewer at parcel level and roll it up by county. In Clayton County, Iowa, which covers St. Olaf, we have measured 5,028 parcels on septic and 3,986 on sewer. That is a county measurement. We do not hold a septic count for St. Olaf on its own and this page does not estimate one.
St. Olaf is in Clayton County, Iowa.
From the Census ZCTA-to-place relationship file, with the share of St. Olaf’s land area that falls in each. A ZIP is not a place boundary and the two only ever partly agree, which is exactly why both pages exist.
Straight-line distance from the Census internal point of St. Olaf.
Parcel Perfect generates a code-shaped septic design and as-built style drawing for a parcel from the records and site data we hold, and shows every parcel we have classified as septic or sewer on one map. Both are open to use for any parcel in Clayton County, Iowa.