In Poweshiek County, Iowa, which covers Grinnell, we have measured 4,369 parcels on septic and 4,571 on sewer. That is a county measurement. We do not hold a septic count for Grinnell on its own and this page does not estimate one.
Grinnell is a city in Poweshiek County, Iowa. The Census Bureau puts its internal point at 41.735236, -92.724902 and its land area at 5.69 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 |
|---|---|---|---|---|---|
| Poweshiek County | 431 | 4,369 | 4,571 | county portal | no account needed |
Our collection for Poweshiek County, Iowa is small, at 431 septic records. Treat it as a starting point for a Grinnell property rather than a search that settles the question. The county is genuinely mixed: 4,369 of 8,940 classified parcels are on septic and the rest are sewered. Which side of that line a Grinnell 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 Grinnell | keeping the system you have working |
| Buyer or seller | Buying or selling in Grinnell | what to pull and check before closing |
| Realtor | Buying or selling in Grinnell | the same records a seller needs on file |
| Designer or engineer | Septic design in Grinnell | design flow, tank capacity, dispersal sizing |
| Installer or contractor | Septic installation in Grinnell | site evaluation, permit sequence, inspection |
| Septic pumper | Septic pumping in Grinnell | tank access, lids and service interval |
| Inspector | Septic inspection in Grinnell | what gets checked and what a failure means |
| Land investor | Septic installation in Grinnell | whether raw land can take a system at all |
These are real businesses we hold an address for, not a ranked or paid list. We take no fee and list nobody preferentially. Confirm current licensing with your county or state before hiring.
With an address in Grinnell itself
| Business | Town on file | Phone | Rating |
|---|---|---|---|
| Hall Construction | Grinnell | (641) 990-1324 | — |
No. We measure septic and sewer at parcel level and roll it up by county. In Poweshiek County, Iowa, which covers Grinnell, we have measured 4,369 parcels on septic and 4,571 on sewer. That is a county measurement. We do not hold a septic count for Grinnell on its own and this page does not estimate one.
Grinnell is in Poweshiek County, Iowa.
From the Census ZCTA-to-place relationship file, with the share of Grinnell’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 Grinnell.
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 Poweshiek County, Iowa.