In Clinton County, Iowa, which covers part of Big Rock, we have measured 4,413 parcels on septic and 14,904 on sewer. That is a county measurement. We do not hold a septic count for Big Rock on its own and this page does not estimate one. Big Rock also extends into Scott County, which are reported separately below and are not included in that figure.
Big Rock is a census-designated place in Clinton and Scott Counties, Iowa. The Census Bureau puts its internal point at 41.769079, -90.826528 and its land area at 0.33 square miles. Septic permitting and record keeping happen at the county level, not the census-designated place 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 |
|---|---|---|---|---|---|
| Clinton County | 366 | 4,413 | 14,904 | county portal | no account needed |
| Scott County | 713 | 6,593 | 49,064 | not published | — |
Our collection for Clinton County, Iowa is small, at 366 septic records. Treat it as a starting point for a Big Rock property rather than a search that settles the question. The county is genuinely mixed: 4,413 of 19,317 classified parcels are on septic and the rest are sewered. Which side of that line a Big Rock 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 Big Rock | keeping the system you have working |
| Buyer or seller | Buying or selling in Big Rock | what to pull and check before closing |
| Realtor | Buying or selling in Big Rock | the same records a seller needs on file |
| Designer or engineer | Septic design in Big Rock | design flow, tank capacity, dispersal sizing |
| Installer or contractor | Septic installation in Big Rock | site evaluation, permit sequence, inspection |
| Septic pumper | Septic pumping in Big Rock | tank access, lids and service interval |
| Inspector | Septic inspection in Big Rock | what gets checked and what a failure means |
| Land investor | Septic installation in Big Rock | 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 Clinton County, Iowa, which covers part of Big Rock, we have measured 4,413 parcels on septic and 14,904 on sewer. That is a county measurement. We do not hold a septic count for Big Rock on its own and this page does not estimate one. Big Rock also extends into Scott County, which are reported separately below and are not included in that figure.
Big Rock is in Clinton and Scott Counties, Iowa.
From the Census ZCTA-to-place relationship file, with the share of Big Rock’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 Big Rock.
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 Clinton and Scott Counties, Iowa.