- Drinking Water Rules
- Env-Ws 310-316 Drinking Water Quality Standards
- Env-Ws 320-339 Monitoring, Reporting, Compliance - Lab Methods
- Env-Ws 351-359 Public Notification by Public Water Systems
- Env-Ws 372 Design Standards for Small Community Public Water Systems
- Env-Ws 373 Design Standards for Non-community Public Water Systems
- Env-Ws 380 Filtration, Disinfection, Treatment Plant and Waste Recycling Rule
- Env-Ws 381 Corrosion Control Treatment, Lead and Copper Action Levels
- Env-Ws 382 Disinfectant/Disinfection Byproducts
Rules/Regulatory