WATER POLLUTION CONTROL
- General Provisions (§ 445A.070 to 445A.117)
- Standards for Water Quality (§ 445A.11704 to 445A.Sec. 4)
- Action Levels for Contaminated Sites (§ 445A.226 to 445A.22755)
- Discharge Permits (§ 445A.Sec. 1-1 to 445A.263)
- General Permits (§ 445A.266 to 445A.272)
- Corrective Action (§ 445A.273 to 445A.2739)
- Use of Reclaimed Water (§ 445A.274 to 445A.280)
- Treatment Works (§ 445A.Sec. 8 to 445A.Sec. 23)
- Zones of Mixing (§ 445A.295 to 445A.302)
- Diffuse Sources (§ 445A.305 to 445A.340)
- Subdivision of Land (§ 445A.342)
- Notification of Release of Hazardous Substance (§ 445A.345 to 445A.348)
The following state regulations pages link to this page.
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.