Current Rates for Accepting Materials at the READ Biodigester

Each tier represents degrees of unacceptable contaminants in the load:

  • Tier 1: > 5% contamination
  • Tier 2: 1% - 5% contamination
  • Tier 3: < 1% contamination

UC Davis Customers

Rate Type

$ Per Unit

Liquid Disposal

$0.14 / gallon

Tier 1-Low Grade

$72 / ton

Tier 2-Medium Grade

$63 / ton

Tier 3-High Grade

$56 / ton

Non-UC Davis Customers

Rate Type

$ Per Unit

Liquid Disposal

$0.15 / gallon

Tier 1-Low Grade

$80 / ton

Tier 2-Medium Grade

$70 / ton

Tier 3-High Grade

$62 / ton