In St. Croix County, Wisconsin, which covers Deer Park, we have measured 14,628 parcels on septic and 15,149 on sewer. That is a county measurement. We do not hold a septic count for Deer Park on its own and this page does not estimate one.
Deer Park is a village in St. Croix County, Wisconsin. The Census Bureau puts its internal point at 45.18854, -92.388687 and its land area at 0.91 square miles. Septic permitting and record keeping happen at the county level, not the village 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 |
|---|---|---|---|---|---|
| St. Croix County | 6,936 | 14,628 | 15,149 | county portal | no account needed |
We hold 6,936 septic records for St. Croix County, Wisconsin. That is a substantial partial collection rather than a complete one, so a Deer Park property may or may not appear in it, and the county archive remains the authority. The county is genuinely mixed: 14,628 of 29,777 classified parcels are on septic and the rest are sewered. Which side of that line a Deer Park 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 Deer Park | keeping the system you have working |
| Buyer or seller | Buying or selling in Deer Park | what to pull and check before closing |
| Realtor | Buying or selling in Deer Park | the same records a seller needs on file |
| Designer or engineer | Septic design in Deer Park | design flow, tank capacity, dispersal sizing |
| Installer or contractor | Septic installation in Deer Park | site evaluation, permit sequence, inspection |
| Septic pumper | Septic pumping in Deer Park | tank access, lids and service interval |
| Inspector | Septic inspection in Deer Park | what gets checked and what a failure means |
| Land investor | Septic installation in Deer Park | 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 St. Croix County, Wisconsin, which covers Deer Park, we have measured 14,628 parcels on septic and 15,149 on sewer. That is a county measurement. We do not hold a septic count for Deer Park on its own and this page does not estimate one.
Deer Park is in St. Croix County, Wisconsin.
From the Census ZCTA-to-place relationship file, with the share of Deer Park’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 Deer Park.
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 St. Croix County, Wisconsin.