The Department of Environmental Review and Assessment (DERA) as part of Sacramento County's Municipal Services Agency is committed to providing top tier customer service to our citizens, customers and colleagues. In an effort to evaluate the implementation of new customer service standards, you are invited to send us your thoughts. If DERA has recently prepared an Environmental Document for your project, click here to complete an e-mail survey. If you have not recently received an Environmental Document but wish to send us an E-mail with your thoughts, click here.