- Env-Ws 401 State Surface Water Discharge Permits
- Env-Wq 500 Clean Water State Revolving Loan Fund
- Env-Wq 600 Selection of Consulting Engineers
- Env-Wq 700 Standards of Design and Construction for Sewerage and Wastewater Treatment Facilities
- Env-Wq 800 Sludge Management
- Env-Ws 901 Regulations Relating to the Certification of Wastewater Treatment Plant Operators
- Env-Ws 904 Standards for Pretreatment of Industrial Wastewater
- Env-Ws 905 Standards for Management of Mercury-Containing Amalgam
- Env-Wq 1600 Septage Management Rules
- Env-Wq 1700 Surface Water Quality Regulations
- Permits and Compliance
Rules/Regulatory