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Table 1.2 Floodplain Siting Criteria

27 CA ADC Div. 2 Subd. 1 Ch. 7 Subch. 1 Art. 1 Tbl. 1.2Barclays Official California Code of Regulations

Barclays California Code of Regulations
Title 27. Environmental Protection
Division 2. Solid Waste (Refs & Annos)
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) (Refs & Annos)
27 CCR Div. 2 Subd. 1 Ch. 7 Subch. 1 Art. 1 Tbl. 1.2
Table 1.2 Floodplain Siting Criteria
Currentness
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 ยง 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.
This database is current through 4/19/24 Register 2024, No. 16.
Cal. Admin. Code tit. 27, Div. 2 Subd. 1 Ch. 7 Subch. 1 Art. 1 Tbl. 1.2, 27 CA ADC Div. 2 Subd. 1 Ch. 7 Subch. 1 Art. 1 Tbl. 1.2
End of Document