Water Recirculation Workshop for Delta Rice Growers

A specialized workshop for Delta rice growers aimed at demonstrating a new water recirculation tool is set for later this month. According to those behind the new project, the pumps help reduce water and energy use. 

2023 Results – Pyrethroid TMDL Update 

Pyrethroid and Water/Sediment Toxicity Results to Date 

The California Rice Commission collects data on pyrethroids and toxicity in water and sediments at our four main agricultural drain sites in accordance with the Basin Plan Amendment Total Maximum Daily Loads (TMDL) requirements under the Clean Water Act. Pyrethroids (i.e., Warrior, Lambda-cy, Silencer) are used in rice production to manage insects.

2023 Results – Rice Pesticides Program 

Significant Thiobencarb Concentration Detections in Colusa Basin Drain

The Rice Pesticide Program (RPP) will enter the 8^th week of thiobencarb (i.e., Bolero, Abolish, Willowood Thio) monitoring on June 27.  The results of monitoring across the sampling sites have generally yielded positive results with only two samples exceeding the performance goal of 1.5 μg/L to date.