California Code of Regulations
Title 27 - Environmental Protection
Division 2 - Solid Waste
Subdivision 1 - Consolidated Regulations for Treatment, Storage, Processing or Disposal of Solid Waste
Chapter 7 - Special Treatment, Storage, and Disposal Units
Subchapter 1 - Mining Waste Management
Article 1 - SWRCB-Mining Waste Management Regulations (C15: Article 7)
Table 1.2 - Floodplain Siting Criteria
Universal Citation: 27 CA Code of Regs 1.2
Current through Register 2024 Notice Reg. No. 38, September 20, 2024
| Waste Group | Waste Management Unit | Existing Units1 | New Units | |
| A | Waste Pile Surface Impoundment Tailings Pond | Protect from 100-year peak streamflow | Outside 100-year floodplain | |
| B | Waste Pile Surface Impoundment Tailings Pond | Protect from 100-year peak | streamflow | |
| C | Waste Pile Surface Impoundment Tailings Pond | Retrofit as needed to protect surface water quality | Preclude increased sediment in surface water2 | |
| 1 As required by the RWQCB pursuant § 22470(a). | ||||
| 2 Mining wastes shall not be placed in perennial, intermittent, or ephemeral stream channels unless provision is made to divert runoff around the waste in a non-erosive manner. Wastes shall not be placed where they can be eroded by streamflows or where they can cause accelerated streambank erosion. Waste generated during seasonal mining operations may be exempted from these requirements provided that increased sediment in surface water is precluded. | ||||
Disclaimer: These regulations may not be the most recent version. California may have more current or accurate information. We make no warranties or guarantees about the accuracy, completeness, or adequacy of the information contained on this site or the information linked to on the state site. Please check official sources.
This site is protected by reCAPTCHA and the Google
Privacy Policy and
Terms of Service apply.
