California Code of Regulations
Title 23 - Waters
Division 4 - Regional Water Quality Control Boards
Chapter 1 - Water Quality Control Plans, Policies, and Guidelines
Article 9 - San Diego Region
Section 3982 - Beneficial Uses and Ground Water Quality Objectives

(1) Subdivided the Laguna Hydrologic Area (HA) (HA 901.10), Mission Viejo HA (HA 901.20), and San Clemente HA (HA 901.30) into hydrologic subareas (HSAs),

(2) Relaxed ground water quality objectives for total dissolved solids (TDS) and boron in the San Joaquin Hills HSA (HSA 901.11),

(3) Relaxed ground water quality objectives for TDS, nitrate, and boron in the Laguna Beach HSA (HSA 901.12),

(4) Established more stringent ground water quality objectives for TDS, chloride, sulfate, and boron and designated the municipal and agricultural beneficial uses in the Aliso Creek HSA (HSA 901.13),

(5) Established ground water quality objectives for TDS, chloride, sulfate, percent sodium, nitrate, iron, manganese, methylene blue active substances (MBAS), boron, turbidity, color, and fluoride and designated the agricultural beneficial uses in the Dana Point HSA (HSA 901.13),

(6) Relaxed ground water quality objectives for TDS, chloride, sulfate, and boron in the Oso Creek HSA (HSA 901.21), Middle Trabuco HSA (HSA 901.23), Gobernadora HSA (HSA 901.24), Middle San Juan Creek HSA (HSA 901.26), Lower San Juan Creek HSA (HSA 901.27), and Ortega HSA (HSA 901.28),

(7) Relaxed ground water quality objectives for TDS, chloride, sulfate, and boron in the Prima Desheca HSA (HSA 901.31), and

(8) Established ground water quality objectives for TDS, chlorides, sulfate, percent sodium, nitrate, iron, manganese, MBAS, boron, odor, turbidity, color, and fluoride in the Segunda Desheca HSA (HSA 901.32).