In Washington County, Arkansas, which covers Cincinnati, we have measured 17,958 parcels on septic and 53,008 on sewer. That is a county measurement. We do not hold a septic count for Cincinnati on its own and this page does not estimate one.
Cincinnati is a census-designated place in Washington County, Arkansas. The Census Bureau puts its internal point at 36.045324, -94.527314 and its land area at 7.48 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 |
|---|---|---|---|---|---|
| Washington County | 0 | 17,958 | 53,008 | not published | — |
We have not yet collected septic documents from Washington County, Arkansas, so for a Cincinnati property the county's own file is currently the only route. This page is about getting you to it, not about pretending we hold something we do not. The county is genuinely mixed: 17,958 of 70,966 classified parcels are on septic and the rest are sewered. Which side of that line a Cincinnati address falls on is worth establishing before anything else. We have not found a published online records portal for this county, which means the file is requested from the county directly rather than searched.
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 Cincinnati | keeping the system you have working |
| Buyer or seller | Buying or selling in Cincinnati | what to pull and check before closing |
| Realtor | Buying or selling in Cincinnati | the same records a seller needs on file |
| Designer or engineer | Septic design in Cincinnati | design flow, tank capacity, dispersal sizing |
| Installer or contractor | Septic installation in Cincinnati | site evaluation, permit sequence, inspection |
| Septic pumper | Septic pumping in Cincinnati | tank access, lids and service interval |
| Inspector | Septic inspection in Cincinnati | what gets checked and what a failure means |
| Land investor | Septic installation in Cincinnati | 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 Washington County, Arkansas, which covers Cincinnati, we have measured 17,958 parcels on septic and 53,008 on sewer. That is a county measurement. We do not hold a septic count for Cincinnati on its own and this page does not estimate one.
Cincinnati is in Washington County, Arkansas.
From the Census ZCTA-to-place relationship file, with the share of Cincinnati’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 Cincinnati.
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 Washington County, Arkansas.