In Weld County, Colorado, which covers part of Johnstown, we have measured 16,587 parcels on septic and 75,750 on sewer. That is a county measurement. We do not hold a septic count for Johnstown on its own and this page does not estimate one. Johnstown also extends into Larimer County, which are reported separately below and are not included in that figure.
Johnstown is a town in Weld and Larimer Counties, Colorado. The Census Bureau puts its internal point at 40.307248, -104.911205 and its land area at 15.58 square miles. Septic permitting and record keeping happen at the county level, not the town 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 |
|---|---|---|---|---|---|
| Weld County | 2,554 | 16,587 | 75,750 | county portal | no account needed |
| Larimer County | 0 | 12,172 | 96,848 | not published | — |
Our collection for Weld County, Colorado is small, at 2,554 septic records. Treat it as a starting point for a Johnstown property rather than a search that settles the question. The county is predominantly sewered: only 16,587 of 92,337 classified parcels are on septic. Septic properties near Johnstown are the exception, which is exactly why owners often do not know they have one. 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 |
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No. We measure septic and sewer at parcel level and roll it up by county. In Weld County, Colorado, which covers part of Johnstown, we have measured 16,587 parcels on septic and 75,750 on sewer. That is a county measurement. We do not hold a septic count for Johnstown on its own and this page does not estimate one. Johnstown also extends into Larimer County, which are reported separately below and are not included in that figure.
Johnstown is in Weld and Larimer Counties, Colorado.
From the Census ZCTA-to-place relationship file, with the share of Johnstown’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 Johnstown.
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 Weld and Larimer Counties, Colorado.