California Code of Regulations
Title 23 - Waters
Division 4 - Regional Water Quality Control Boards
Chapter 1 - Water Quality Control Plans, Policies, and Guidelines
Article 8 - Santa Ana Region
Section 3971 - Revised Water Quality Control Plan

Universal Citation: 23 CA Code of Regs 3971

Current through Register 2024 Notice Reg. No. 38, September 20, 2024

The revised Water Quality Control Plan for the Santa Ana Region, as adopted March 11, 1994, by the Santa Ana Regional Water Quality Control Board includes the regulatory provisions summarized below:

(a) Beneficial Use Definitions: define "Estuarine Habitat" and "Limited Warm Freshwater Habitat" and revise existing beneficial use definitions for statewide consistency;

(b) Water Body Type Definitions: define "enclosed bays and estuaries" and "wetlands," revise definition of "inland surface waters" to include wetlands;

(c) Enclosed Bays and Estuaries:

(1) add a narrative objective for non-degradation;

(2) amend the narrative objectives for algae, chlorine, color, floatables, oil and grease, dissolved oxygen, solids, taste and odor, toxic substances, and turbidity;

(d) Inland Surface Waters:

(1) add a narrative objective for non-degradation;

(2) amend the narrative objectives for algae, boron, chemical oxygen demand, chloride, odor, total dissolved solids (TDS), floatables, hardness, methylene blue-activated substances, oil and grease, taste and odor, and toxic substances;

(3) add numeric water quality objectives for uranium, and turbidity;

(4) revise the numeric water quality objectives for un-ionized ammonia, fluoride, methylene blue-active substances, and pH;

(5) reach 2 of the San Jacinto River (Canyon Lake): Clarify water quality objectives;

(e) Santa Ana River System: add site-specific water quality objectives for cadmium, copper, lead, and un-ionized ammonia;

(f) Ground Waters:

(1) amend narrative objectives for coliform bacteria, barium, boron, cyanide, total dissolved solids, fluoride, hardness, methylene blue-activated substances, oil and grease, and taste and odor;

(2) add numeric water quality objectives for color, copper, pH, and uranium;

(4) Big Bear Valley ground water subbasin: revise water quality objectives for TDS, hardness, sodium, chloride, nitrate nitrogen, and sulfates;

(5) upper unconfined La Habra ground water subbasin: add numeric objective for TDS, chloride, sulfate, and boron;

(g) Total Dissolved Solids for Santa Ana River: establish a process to achieve effective compliance with TDS limits for discharges to water bodies without assimilative capacity;

(h) Chino Basin Animal Confinement Facilities (including dairies): add requirements for manure tracking, groundwater monitoring, engineered waste management planning, and offset programs in lieu of discharge prohibitions for manure and washwater;

(i) Waste Discharge Prohibitions: amend prohibitions applying to all waters, to inland surface waters, and to ground waters; add prohibitions applying to enclosed bays and estuaries;

(j) Waste Discharge Permits: define "Practical Quantification Level"; provide for use of Practical Quantification Levels in establishing waste discharge limits.

1. New section filed 1-24-95; operative 1-24-95 (Register 95, No. 4). Regulatory provisions approved per Government Code section 11353. Summary filed with Secretary of State.

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