| A/E | architectural/engineering consultant or firm |
| BMP | best management practice |
| BCPL | Board of Commissioners of Public Lands |
| CDBG | Community Development Block Grant |
| CFA | Bureau of Community Financial Assistance |
| cfs | cubic feet per second |
| ch. | chapter |
| CMAR | Compliance Maintenance Annual Report |
| CME | construction management engineer |
| CMOM | Capacity, Management, Operations & Maintainance |
| CO | change order |
| CWA | Clean Water Act |
| CWFP | Clean Water Fund Program |
| CWNS | Clean Water Needs Survey |
| DBE | disadvantaged business enterprise |
| DG | Drinking Water and Ground Water (Bureau of) |
| DNR | Department of Natural Resources |
| DOA | Department of Administration |
| DWNS | Drinking Water Needs Survey |
| EIF | Environmental Improvement Fund |
| EL | Environmental Loans Section |
| ELOS | Environmental Loans Oracle System (database) |
| EPA | Environmental Protection Agency |
| FAA | Financial Assistance Agreement |
| FFC | For Further Credit |
| FFY | Federal Fiscal Year |
| FY | fiscal year |
| GO | general obligation |
| I/I | infiltration & inflow |
| IRSA | Interest Rate Subsidy Agreement |
| ITA | Notice of Intent to Apply form |
| LRLP | Land Recycling Loan Program |
| M/WBEs | minority/women's business enterprises |
| MBE | minority business enterprise |
| mgd | million gallons per day |
| MHI | median household income |
| MSD | metropolitan sewerage district |
| NOFAC | Notice of Financial Assistance Commitment |
| NPS | nonpoint source |
| NR | Natural Resources |
| OM&R | operation, maintenance, and replacement |
| PCP | Parallel cost percentage |
| PDF | Portable Document Format |
| P&I | principal and interest |
| P&S | plans and specifications |
| PERF | Priority Evaluation and Ranking Form |
| PM | project manager |
| POTW | publicly owned treatment works |
| PSC | Public Service Commission |
| PV | present value subsidy |
| RAOR | Remedial Action Options Report |
| R&R | Bureau for Remediation and Redevelopment |
| s. | section |
| SBRA | small business in a rural area |
| SD | sanitary district |
| SDWLP | Safe Drinking Water Loan Program |
| SFY | State Fiscal Year |
| SLP | Small Loan Program |
| specs | specifications |
| SRF | State Revolving Fund |
| ss. | sections |
| SSO | Sanitary Sewer Overflow |
| Stats. | Wisconsin Statutes |
| SUO | sewer use ordinance |
| UCS | user charge system |
| USC | United States Code |
| USWS | Urban Storm Water Specialist |
| WBE | women's business enterprise |
| Wis. Adm. Code | Wisconsin Administrative Code |
| Wis. Stats. | Wisconsin Statutes |
| WPDES | Wisconsin Pollutant Discharge Elimination System |
| WT | Watershed Management (Bureau of) |