In Marion County, Oregon, which covers part of Mill City, we have measured 9,485 parcels on septic and 81,359 on sewer. That is a county measurement. We do not hold a septic count for Mill City on its own and this page does not estimate one. Mill City also extends into Linn County, which are reported separately below and are not included in that figure.
Mill City is a city in Marion and Linn Counties, Oregon. The Census Bureau puts its internal point at 44.752002, -122.477004 and its land area at 0.90 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 |
|---|---|---|---|---|---|
| Marion County | 940 | 9,485 | 81,359 | county portal | account or login required |
| Linn County | 455 | 14,106 | 26,458 | county portal | no account needed |
Our collection for Marion County, Oregon is small, at 940 septic records. Treat it as a starting point for a Mill City property rather than a search that settles the question. The county is predominantly sewered: only 9,485 of 90,844 classified parcels are on septic. Septic properties near Mill City are the exception, which is exactly why owners often do not know they have one. The county publishes a records portal, but reaching the documents needs an account or a login, so budget for that step rather than expecting an open search.
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 Mill City | keeping the system you have working |
| Buyer or seller | Buying or selling in Mill City | what to pull and check before closing |
| Realtor | Buying or selling in Mill City | the same records a seller needs on file |
| Designer or engineer | Septic design in Mill City | design flow, tank capacity, dispersal sizing |
| Installer or contractor | Septic installation in Mill City | site evaluation, permit sequence, inspection |
| Septic pumper | Septic pumping in Mill City | tank access, lids and service interval |
| Inspector | Septic inspection in Mill City | what gets checked and what a failure means |
| Land investor | Septic installation in Mill City | 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 Marion County, Oregon, which covers part of Mill City, we have measured 9,485 parcels on septic and 81,359 on sewer. That is a county measurement. We do not hold a septic count for Mill City on its own and this page does not estimate one. Mill City also extends into Linn County, which are reported separately below and are not included in that figure.
Mill City is in Marion and Linn Counties, Oregon.
From the Census ZCTA-to-place relationship file, with the share of Mill City’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 Mill City.
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 Marion and Linn Counties, Oregon.