Title 372 - Ecology, Department of (Water Pollution)
- Chapter 372-36 - Columbia Basin irrigation area - Sewage and waste (§ 372-36-010 to 372-36-130)
- Chapter 372-52 - Water districts requests for approvals and certifications of necessity to operate sewer districts (§ 372-52-010 to 372-52-070)
- Chapter 372-68 - Water pollution control and abatement plans for sewage drainage basins (§ 372-68-010 to 372-68-100)
State regulations are updated quarterly; we currently have two versions available. Below is a comparison between our most recent version and the prior quarterly release. More comparison features will be added as we have more versions to compare.