In Madison County, Iowa, which covers Patterson, we have measured 3,946 parcels on septic and 2,943 on sewer. That is a county measurement. We do not hold a septic count for Patterson on its own and this page does not estimate one.
Patterson is a city in Madison County, Iowa. The Census Bureau puts its internal point at 41.348429, -93.877594 and its land area at 0.45 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 |
|---|---|---|---|---|---|
| Madison County | 355 | 3,946 | 2,943 | county portal | no account needed |
Our collection for Madison County, Iowa is small, at 355 septic records. Treat it as a starting point for a Patterson property rather than a search that settles the question. The county is genuinely mixed: 3,946 of 6,889 classified parcels are on septic and the rest are sewered. Which side of that line a Patterson 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 Patterson | keeping the system you have working |
| Buyer or seller | Buying or selling in Patterson | what to pull and check before closing |
| Realtor | Buying or selling in Patterson | the same records a seller needs on file |
| Designer or engineer | Septic design in Patterson | design flow, tank capacity, dispersal sizing |
| Installer or contractor | Septic installation in Patterson | site evaluation, permit sequence, inspection |
| Septic pumper | Septic pumping in Patterson | tank access, lids and service interval |
| Inspector | Septic inspection in Patterson | what gets checked and what a failure means |
| Land investor | Septic installation in Patterson | 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 Madison County, Iowa, which covers Patterson, we have measured 3,946 parcels on septic and 2,943 on sewer. That is a county measurement. We do not hold a septic count for Patterson on its own and this page does not estimate one.
Patterson is in Madison County, Iowa.
From the Census ZCTA-to-place relationship file, with the share of Patterson’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 Patterson.
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 Madison County, Iowa.