Septic System Data

Database Upgrade

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.

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Column Name	Description
AddressNumber	Street number for the address of the site
AreaofLot	Size of the lot, in acres, that contains the onsite wastewater treatment system
B1_ALT_ID	Permit # associated with this onsite wastewater treatment system record
B1_APP_TYPE_ALIAS	Type of permit
B1_APPL_STATUS	Status of the permit
b1_UNIT_START	Unit number or apartment number for the address of the site
Bedrooms	Number of bedrooms the OWTS is sized for
City	City of the address for the site
Dwelling Type	Indicates whether dwelling is residential or commercial
EngineeringFirm	Name of the business the engineer is employed by
EngineerName	Name of the engineer
InstallerName	Name of the installer
InstallingFirm	Name of the business the installer is employed by
LimitingLayer	Indicates whether there is a limiting layer for the Soil Treatment Area
StreetDirection	Street direction for the address of the site
StreetName	Street name for the address of the site
StreetSuffix	Suffix for the address of the site
TreatmentDepth	Depth of treatment for the Soil Treatment Area
TypeofSystem	Description indicating the septic system type
ZipCode	Zip code for the address for the site

Showing 1 to 20 of 20 entries

Septic System Data

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