Please note that we are currently undergoing an upgrade to our database which will temporarily limit access to some online records.
If you are looking for permits and associated records created after June 20, 2019, please send us an email or call 303-441-1564.
The table below contains field name and definitions for septic system data for dwellings within Boulder County, Colorado.
Septic systems are the second most frequently cited source of groundwater contamination in our country. Unapproved, aging, and failing septic systems have a large impact on the quality and safety of our water supply.
See data for septic systems in Boulder County.
| Name | Definition |
| RECORD_ID | Permit# associated with this onsite wastewater treatment system record |
| APN | Assessor Parcel Number for the location of the onsite wastewater treatment system |
| P_STREET_NUMBER | Street number for the address of the site |
| P_STREET_DIR | Street direction for the address of the site |
| P_STREET_NAME | Street name for the address of the site |
| P_STREET_TYPE | Street type for the address of the site |
| P_STREET_UNIT | Unit number or apartment number for the address of the site |
| P_STREET_UNIT_TYPE | Unit type for the address of the business, such as Bldg., Apt., or Suite |
| P_CITY | City of the address for the site |
| P_STATE | Two-character abbreviation of the state for the site |
| ZIP | Zip code of the address for the site |
| SEPTIC_SYSTEM_TYPE | Description indicating the septic system type. |
| DWELLING_TYPE | Description indicating the type of dwelling for which the septic system was installed, such as a Primary Dwelling, Commercial, Barn, etc |
| STATUS | Description indicating the status of the septic system, such as Inspected, Pending Inspection, Approved, etc. |
| APPLICATION_DATE | Date the onsite wastewater treatment system permit was applied for |
| PERMITTED_DATE | Date the permit was issued for the onsite wastewater treatment system |
| APPROVED_DATE | Date the system received final approval |
| FINAL_INSP_DATE | Date the final inspection for the site was performed |
| ENGINEER_FIRM | Name of the business the engineer is employed by |
| ENGINEER_LAST_NAME | Last name of the engineer |
| ENGINEER_FIRST_NAME | First name of the engineer |
| INSTALLER_FIRM | Name of the business the installer is employed by |
| INSTALLER_LAST_NAME | Last name of the installer |
| INSTALLER_FIRST_NAME | First name of the installer |
| LOT_SIZE | Size of the lot, in acres, that contains the onsite wastewater treatment system. |
| BEDROOMS | Number of bedrooms in the house when the onsite wastewater treatment system was permitted and approved. |
| ABSORP_AREA_BUILT | Actual absorption area, in square feet, for the septic tank’s effluent |
| ABSORP_AREA_PERMITTED | Permitted absorption area, in square feet, for the septic tank’s effluent |
| DEPTH_TO_BEDROCK | Depth, in feet, from grade to bedrock. |
| DEPTH_TO_MAX_GROUNDWATER | Depth, in feet, from grade to groundwater. |
| DEPTH1 | Depth, in feet, from grade to the first soil type |
| DEPTH2 | Depth, in feet, from grade to the second soil type. |
| DEPTH3 | Depth, in feet, from grade to the third soil type. |
| DEPTH4 | Depth, in feet, from grade to the fourth soil type. |
| SETBACK_WELL_TO_AB_FIELD | Distance, in feet, the soil treatment area is from the well head. |
| SOIL_TYPE1 | Description indicating the first type of soil, such as sandy loam, decomposed granite, bedrock, etc. |
| SOIL_TYPE2 | Description indicating the second type of soil, such as sandy loam, decomposed granite, bedrock, etc. |
| SOIL_TYPE3 | Description indicating the third type of soil, such as sandy loam, decomposed granite, bedrock, etc. |
| SOIL_TYPE4 | Description indicating the fourth type of soil, such as sandy loam, decomposed granite, bedrock, etc. |
| WATER_SOURCE | Description indicating the source of the water for the building at the site where the onsite wastewater treatment system is found, such as a spring, lake, well, public water system, etc. |
