Regulations
Guidance Documents
The following documents can be found on the Colorado Department of Public Health and Environment Onsite Wastewater Treatment System Resource Page:
Approved OWTS Components
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- Approved OWTS Tanks
- Approved Higher-Level Treatment Systems
- Approved Distribution Products
Policy Documents
- Mound System Guidance Document
- Mound System Guidance Spreadsheet
- NDDS Guidance Document
- Wastewater Site Application Policy 6