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Design tools and forms
Forms and worksheets for planning private sewage systems.
- Soil Evaluation form (PDF, 931 KB)
- Soil Evaluation form (DOC, 2.3 MB)
- Orifice Discharge Rates, Table A.1.B.1. (PDF, 44 KB)
- Pressure Distribution (PDF, 165 KB)
Field:
- Primary Field Treatment (PDF, 409 KB)
- Secondary Field Treatment (PDF, 304 KB)
Mound:
- Mound Design Worksheet (PDF, 432 KB)
- Berm Slope Worksheet (XLS, 177 KB) Note: to navigate in the worksheet, use keyboard arrows.
At grade:
- At Grade Design Worksheet (PDF, 578 KB)
Contact
For questions about safety codes, see Safety codes – Contact options.
Contact
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