| Sewer User Fee divided by MHI | Below two percent | Two percent and above, but Below three percent | Three percent and above, but Below five percent | Five percent and above |
| Hardship Designation | Nonhardship (Low sewer user rates in relation to MHI) |
Moderate Hardship | Elevated Hardship | Severe Hardship (Very high sewer user rates in relation to MHI) |
| Loan Hardship-Funding Continuum | Not eligible for forgivable principal loan | Fifty percent forgivable principal loan up to ceiling amount defined in WAC 173-98-520 | Seventy-five percent forgivable principal loan up to ceiling amount defined in WAC 173-98-520 | One hundred percent forgivable principal loan up to ceiling amount defined in WAC 173-98-520 |